bundle exec rubocop -a

18 files changed, 471 insertions, 439 deletions

diff --git a/.rspec b/.rspec
index 34c5164..bd5e028 100644
--- a/.rspec
+++ b/.rspec
@@ -1,3 +1,3 @@
---format documentation
+--format progress
 --color
 --require spec_helper
diff --git a/spec/integration/dotnet/examples_spec.rb b/spec/integration/dotnet/examples_spec.rb
index 13f4712..5df675c 100644
--- a/spec/integration/dotnet/examples_spec.rb
+++ b/spec/integration/dotnet/examples_spec.rb
@@ -1,6 +1,6 @@
-require 'spec_helper'
+# frozen_string_literal: true
 
-RSpec.describe ".NET Core" do
+RSpec.describe '.NET Core' do
   it 'scans https://github.com/microsoft/RockPaperScissorsLizardSpock.git' do
     runner.clone('https://github.com/microsoft/RockPaperScissorsLizardSpock.git')
     report = runner.scan(env: { 'LICENSE_FINDER_CLI_OPTS' => '--recursive' })
diff --git a/spec/integration/dotnet/nuget_spec.rb b/spec/integration/dotnet/nuget_spec.rb
index 6eeb261..a60172f 100644
--- a/spec/integration/dotnet/nuget_spec.rb
+++ b/spec/integration/dotnet/nuget_spec.rb
@@ -1,24 +1,26 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
-RSpec.describe "nuget" do
-  include_examples "each report version", "csharp", "nuget-dotnetcore"
+RSpec.describe 'nuget' do
+  include_examples 'each report version', 'csharp', 'nuget-dotnetcore'
 
-  context "when a project has a nuget packages.config file in the root" do
+  context 'when a project has a nuget packages.config file in the root' do
     let(:packages_config) do
-      <<-XML
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.0" targetFramework="net46" />
-  <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net46" developmentDependency="true" />
-  <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net46" />
-  <package id="Microsoft.Web.Xdt" version="2.1.1" targetFramework="net46" />
-  <package id="Newtonsoft.Json" version="8.0.3" allowedVersions="[8,10)" targetFramework="net46" />
-  <package id="NuGet.Core" version="2.11.1" targetFramework="net46" />
-  <package id="NuGet.Server" version="2.11.2" targetFramework="net46" />
-  <package id="RouteMagic" version="1.3" targetFramework="net46" />
-  <package id="WebActivatorEx" version="2.1.0" targetFramework="net46" />
-  <package id="jive" version="0.1.0" />
-</packages>
+      <<~XML
+        <?xml version="1.0" encoding="utf-8"?>
+        <packages>
+          <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.0" targetFramework="net46" />
+          <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net46" developmentDependency="true" />
+          <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net46" />
+          <package id="Microsoft.Web.Xdt" version="2.1.1" targetFramework="net46" />
+          <package id="Newtonsoft.Json" version="8.0.3" allowedVersions="[8,10)" targetFramework="net46" />
+          <package id="NuGet.Core" version="2.11.1" targetFramework="net46" />
+          <package id="NuGet.Server" version="2.11.2" targetFramework="net46" />
+          <package id="RouteMagic" version="1.3" targetFramework="net46" />
+          <package id="WebActivatorEx" version="2.1.0" targetFramework="net46" />
+          <package id="jive" version="0.1.0" />
+        </packages>
       XML
     end
 
@@ -29,36 +31,36 @@ RSpec.describe "nuget" do
       expect(report).to match_schema(version: '2.0')
       expect(report[:licenses].count).not_to be_zero
       expect(report.dependency_names).to match_array([
-        "Microsoft.CodeDom.Providers.DotNetCompilerPlatform",
-        "Microsoft.Net.Compilers",
-        "Microsoft.Web.Infrastructure",
-        "Microsoft.Web.Xdt",
-        "Newtonsoft.Json",
-        "NuGet.Core",
-        "NuGet.Server",
-        "RouteMagic",
-        "WebActivatorEx",
-        "jive"
-      ])
+                                                       'Microsoft.CodeDom.Providers.DotNetCompilerPlatform',
+                                                       'Microsoft.Net.Compilers',
+                                                       'Microsoft.Web.Infrastructure',
+                                                       'Microsoft.Web.Xdt',
+                                                       'Newtonsoft.Json',
+                                                       'NuGet.Core',
+                                                       'NuGet.Server',
+                                                       'RouteMagic',
+                                                       'WebActivatorEx',
+                                                       'jive'
+                                                     ])
     end
   end
 
-  context "when a project has multiple nuget packages.config in different sub directories" do
+  context 'when a project has multiple nuget packages.config in different sub directories' do
     let(:console_packages) do
-      <<-XML
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="jive" version="0.1.0" />
-</packages>
+      <<~XML
+        <?xml version="1.0" encoding="utf-8"?>
+        <packages>
+          <package id="jive" version="0.1.0" />
+        </packages>
       XML
     end
 
     let(:winforms_packages) do
-      <<-XML
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="MvcMailer" version="4.5.0" />
-</packages>
+      <<~XML
+        <?xml version="1.0" encoding="utf-8"?>
+        <packages>
+          <package id="MvcMailer" version="4.5.0" />
+        </packages>
       XML
     end
 
@@ -75,11 +77,11 @@ RSpec.describe "nuget" do
 
   context "when a project has a dependency that has it's own dependencies" do
     let(:packages) do
-      <<-XML
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="NHibernate" version="5.2.6" />
-</packages>
+      <<~XML
+        <?xml version="1.0" encoding="utf-8"?>
+        <packages>
+          <package id="NHibernate" version="5.2.6" />
+        </packages>
       XML
     end
 
@@ -91,12 +93,12 @@ RSpec.describe "nuget" do
       expect(report[:licenses].count).not_to be_zero
       expect(report[:licenses].map { |x| x[:id] }.uniq).to match_array(['LGPL-2.1', 'Apache-2.0', 'BSD-3-Clause'])
       expect(report.dependency_names).to match_array([
-        'Iesi.Collections',
-        'Remotion.Linq',
-        'Remotion.Linq.EagerFetching',
-        "Antlr3.Runtime",
-        "NHibernate"
-      ])
+                                                       'Iesi.Collections',
+                                                       'Remotion.Linq',
+                                                       'Remotion.Linq.EagerFetching',
+                                                       'Antlr3.Runtime',
+                                                       'NHibernate'
+                                                     ])
     end
   end
 end
diff --git a/spec/integration/go/modules_spec.rb b/spec/integration/go/modules_spec.rb
index 143d8ea..c70b48b 100644
--- a/spec/integration/go/modules_spec.rb
+++ b/spec/integration/go/modules_spec.rb
@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
-RSpec.describe "modules" do
-  include_examples "each report version", "go", "modules"
+RSpec.describe 'modules' do
+  include_examples 'each report version', 'go', 'modules'
 
-  context "when scanning a customers go.mod and go.sum files" do
+  context 'when scanning a customers go.mod and go.sum files' do
     let(:report) { runner.scan }
 
     before do
@@ -17,19 +19,19 @@ RSpec.describe "modules" do
 
     specify do
       expect(report.dependency_names).to match_array([
-        "github.com/davecgh/go-spew",
-        "github.com/dimfeld/httptreemux/v5",
-        "github.com/go-logfmt/logfmt",
-        "github.com/golang/protobuf",
-        "github.com/google/uuid",
-        "github.com/pmezard/go-difflib",
-        "github.com/stretchr/objx",
-        "golang.org/x/net",
-        "golang.org/x/oauth2",
-        "google.golang.org/appengine",
-        "gopkg.in/yaml.v2",
-        'github.com/stretchr/testify'
-      ])
+                                                       'github.com/davecgh/go-spew',
+                                                       'github.com/dimfeld/httptreemux/v5',
+                                                       'github.com/go-logfmt/logfmt',
+                                                       'github.com/golang/protobuf',
+                                                       'github.com/google/uuid',
+                                                       'github.com/pmezard/go-difflib',
+                                                       'github.com/stretchr/objx',
+                                                       'golang.org/x/net',
+                                                       'golang.org/x/oauth2',
+                                                       'google.golang.org/appengine',
+                                                       'gopkg.in/yaml.v2',
+                                                       'github.com/stretchr/testify'
+                                                     ])
     end
 
     specify { expect(report.licenses_for('github.com/dimfeld/httptreemux/v5')).to match_array(['MIT']) }
@@ -39,7 +41,7 @@ RSpec.describe "modules" do
     specify { expect(report.licenses_for('golang.org/x/oauth2')).to match_array(['BSD-3-Clause']) }
   end
 
-  context "when scanning the `gitaly` project" do
+  context 'when scanning the `gitaly` project' do
     let(:report) { runner.scan }
 
     before do
diff --git a/spec/integration/java/gradle_spec.rb b/spec/integration/java/gradle_spec.rb
index 1b566bb..fcc4347 100644
--- a/spec/integration/java/gradle_spec.rb
+++ b/spec/integration/java/gradle_spec.rb
@@ -1,20 +1,22 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
-RSpec.describe "gradle" do
-  include_examples "each report version", "java", "gradle"
+RSpec.describe 'gradle' do
+  include_examples 'each report version', 'java', 'gradle'
 
-  context "when running a default gradle build" do
+  context 'when running a default gradle build' do
     it 'scans a gradle project' do
       content = <<~GRADLE
-/*
- * This file was generated by the Gradle 'init' task.
- *
- * This is a general purpose Gradle build.
- * Learn how to create Gradle builds at https://guides.gradle.org/creating-new-gradle-builds
- */
-plugins {
-  id "com.github.hierynomus.license" version "0.15.0"
-}
+        /*
+         * This file was generated by the Gradle 'init' task.
+         *
+         * This is a general purpose Gradle build.
+         * Learn how to create Gradle builds at https://guides.gradle.org/creating-new-gradle-builds
+         */
+        plugins {
+          id "com.github.hierynomus.license" version "0.15.0"
+        }
       GRADLE
       runner.add_file('build.gradle', content)
 
@@ -59,7 +61,7 @@ plugins {
   ].each do |gradle_version|
     %w[8 11].each do |java_version|
       context "when scanning a gradle (v#{gradle_version}) project that uses a kotlin build script" do
-        let(:build_file_content) { fixture_file_content("java/build.gradle.kts") }
+        let(:build_file_content) { fixture_file_content('java/build.gradle.kts') }
 
         it 'scans a gradle project' do
           runner.add_file('build.gradle.kts', build_file_content)
diff --git a/spec/integration/java/maven_spec.rb b/spec/integration/java/maven_spec.rb
index 92444e8..1d55026 100644
--- a/spec/integration/java/maven_spec.rb
+++ b/spec/integration/java/maven_spec.rb
@@ -1,16 +1,18 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
-RSpec.describe "maven" do
-  include_examples "each report version", "java", "maven"
-  include_examples "each report version", "java", "maven-multimodules"
+RSpec.describe 'maven' do
+  include_examples 'each report version', 'java', 'maven'
+  include_examples 'each report version', 'java', 'maven-multimodules'
 
-  describe "When the maven dependencies come from a custom public maven repository" do
+  describe 'When the maven dependencies come from a custom public maven repository' do
     it 'is able to detect some of the licenses' do
       runner.add_file('pom.xml', fixture_file_content('java/pom-public-gitlab-repository.xml'))
 
       report = runner.scan(env: {
-        'CI_PROJECT_ID' => '17523603'
-      })
+                             'CI_PROJECT_ID' => '17523603'
+                           })
 
       expect(report).to match_schema(version: '2.0')
       expect(report[:dependencies]).to match_array([{ name: 'mvn-spike', url: '', description: '', paths: ['.'], licenses: ['MIT'] }])
@@ -21,34 +23,34 @@ RSpec.describe "maven" do
       runner.add_file('my_settings.xml', fixture_file_content('java/custom-maven-settings.xml'))
 
       report = runner.scan(env: {
-        'CI_PROJECT_ID' => 'invalid',
-        'MAVEN_CLI_OPTS' => "--settings my_settings.xml"
-      })
+                             'CI_PROJECT_ID' => 'invalid',
+                             'MAVEN_CLI_OPTS' => '--settings my_settings.xml'
+                           })
 
       expect(report).to match_schema(version: '2.0')
       expect(report[:dependencies]).to match_array([{ name: 'mvn-spike', url: '', description: '', paths: ['.'], licenses: ['MIT'] }])
     end
   end
 
-  describe "When using the `SETUP_CMD`" do
+  describe 'When using the `SETUP_CMD`' do
     it 'executes the custom script' do
       runner.add_file('custom.sh') do
         <<~SCRIPT
-        #!/bin/bash -l
+          #!/bin/bash -l
 
-        echo 'hello'
+          echo 'hello'
         SCRIPT
       end
 
       report = runner.scan(env: {
-        'SETUP_CMD' => 'bash custom.sh'
-      })
+                             'SETUP_CMD' => 'bash custom.sh'
+                           })
 
       expect(report).to match_schema(version: '2.0')
     end
   end
 
-  describe "When scanning a project with multiple modules" do
+  describe 'When scanning a project with multiple modules' do
     before do
       runner.mount(dir: fixture_file('java/maven-multimodule'))
     end
@@ -60,17 +62,17 @@ RSpec.describe "maven" do
       expect(report[:dependencies]).not_to be_empty
 
       [
-        { name: "asm", licenses: ["BSD-4-Clause"] },
-        { name: "asm-commons", licenses: ["BSD-4-Clause"] },
-        { name: "jackson-annotations", licenses: ["Apache-2.0"] },
-        { name: "jackson-core", licenses: ["Apache-2.0"] },
-        { name: "jackson-databind", licenses: ["Apache-2.0"] },
-        { name: "jackson-dataformat-xml", licenses: ["Apache-2.0"] },
-        { name: "jackson-module-jaxb-annotations", licenses: ["Apache-2.0"] },
-        { name: "log4j-api", licenses: ["Apache-2.0"] },
-        { name: "log4j-core", licenses: ["Apache-2.0"] },
-        { name: "netty-all", licenses: ["Apache-2.0"] },
-        { name: "stax2-api", licenses: ["BSD-4-Clause"] }
+        { name: 'asm', licenses: ['BSD-4-Clause'] },
+        { name: 'asm-commons', licenses: ['BSD-4-Clause'] },
+        { name: 'jackson-annotations', licenses: ['Apache-2.0'] },
+        { name: 'jackson-core', licenses: ['Apache-2.0'] },
+        { name: 'jackson-databind', licenses: ['Apache-2.0'] },
+        { name: 'jackson-dataformat-xml', licenses: ['Apache-2.0'] },
+        { name: 'jackson-module-jaxb-annotations', licenses: ['Apache-2.0'] },
+        { name: 'log4j-api', licenses: ['Apache-2.0'] },
+        { name: 'log4j-core', licenses: ['Apache-2.0'] },
+        { name: 'netty-all', licenses: ['Apache-2.0'] },
+        { name: 'stax2-api', licenses: ['BSD-4-Clause'] }
       ].each do |dependency|
         expect(report.licenses_for(dependency[:name])).to match_array(dependency[:licenses])
       end
diff --git a/spec/integration/js/npm_spec.rb b/spec/integration/js/npm_spec.rb
index 1c272bf..5123072 100644
--- a/spec/integration/js/npm_spec.rb
+++ b/spec/integration/js/npm_spec.rb
@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
-RSpec.describe "npm" do
-  include_examples "each report version", "js", "npm"
+RSpec.describe 'npm' do
+  include_examples 'each report version', 'js', 'npm'
 end
diff --git a/spec/integration/js/yarn_spec.rb b/spec/integration/js/yarn_spec.rb
index 0756f9d..72e2a69 100644
--- a/spec/integration/js/yarn_spec.rb
+++ b/spec/integration/js/yarn_spec.rb
@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
-RSpec.describe "yarn" do
-  include_examples "each report version", "js", "yarn"
+RSpec.describe 'yarn' do
+  include_examples 'each report version', 'js', 'yarn'
 end
diff --git a/spec/integration/php/composer_spec.rb b/spec/integration/php/composer_spec.rb
index 62ff598..943cae4 100644
--- a/spec/integration/php/composer_spec.rb
+++ b/spec/integration/php/composer_spec.rb
@@ -1,7 +1,9 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
-RSpec.describe "composer" do
-  include_examples "each report version", "php", "composer"
+RSpec.describe 'composer' do
+  include_examples 'each report version', 'php', 'composer'
 
   context "when the project's dependencies require php-gd e.g. in the case of Drupal" do
     it 'installs the required dependencies and produces a valid report' do
@@ -14,108 +16,108 @@ RSpec.describe "composer" do
       expect(report[:version]).not_to be_empty
       expect(report[:licenses]).not_to be_empty
       expect(report.dependency_names).to match_array(%w[
-        asm89/stack-cors
-        behat/mink
-        behat/mink-browserkit-driver
-        behat/mink-goutte-driver
-        behat/mink-selenium2-driver
-        brumann/polyfill-unserialize
-        composer/semver
-        doctrine/annotations
-        doctrine/cache
-        doctrine/collections
-        doctrine/common
-        doctrine/event-manager
-        doctrine/inflector
-        doctrine/instantiator
-        doctrine/lexer
-        doctrine/persistence
-        doctrine/reflection
-        drupal/coder
-        easyrdf/easyrdf
-        egulias/email-validator
-        fabpot/goutte
-        guzzlehttp/guzzle
-        guzzlehttp/promises
-        guzzlehttp/psr7
-        instaclick/php-webdriver
-        jcalderonzumba/gastonjs
-        jcalderonzumba/mink-phantomjs-driver
-        justinrainbow/json-schema
-        masterminds/html5
-        mikey179/vfsstream
-        myclabs/deep-copy
-        paragonie/random_compat
-        pear/archive_tar
-        pear/console_getopt
-        pear/pear-core-minimal
-        pear/pear_exception
-        phar-io/manifest
-        phar-io/version
-        phpdocumentor/reflection-common
-        phpdocumentor/reflection-docblock
-        phpdocumentor/type-resolver
-        phpspec/prophecy
-        phpunit/php-code-coverage
-        phpunit/php-file-iterator
-        phpunit/php-text-template
-        phpunit/php-timer
-        phpunit/php-token-stream
-        phpunit/phpunit
-        phpunit/phpunit-mock-objects
-        psr/container
-        psr/http-message
-        psr/log
-        ralouphie/getallheaders
-        sebastian/code-unit-reverse-lookup
-        sebastian/comparator
-        sebastian/diff
-        sebastian/environment
-        sebastian/exporter
-        sebastian/global-state
-        sebastian/object-enumerator
-        sebastian/object-reflector
-        sebastian/recursion-context
-        sebastian/resource-operations
-        sebastian/version
-        squizlabs/php_codesniffer
-        stack/builder
-        symfony-cmf/routing
-        symfony/browser-kit
-        symfony/class-loader
-        symfony/console
-        symfony/css-selector
-        symfony/debug
-        symfony/dependency-injection
-        symfony/dom-crawler
-        symfony/event-dispatcher
-        symfony/http-foundation
-        symfony/http-kernel
-        symfony/phpunit-bridge
-        symfony/polyfill-ctype
-        symfony/polyfill-iconv
-        symfony/polyfill-intl-idn
-        symfony/polyfill-mbstring
-        symfony/polyfill-php56
-        symfony/polyfill-php70
-        symfony/polyfill-php72
-        symfony/polyfill-util
-        symfony/process
-        symfony/psr-http-message-bridge
-        symfony/routing
-        symfony/serializer
-        symfony/translation
-        symfony/validator
-        symfony/yaml
-        theseer/tokenizer
-        twig/twig
-        typo3/phar-stream-wrapper
-        webmozart/assert
-        zendframework/zend-diactoros
-        zendframework/zend-escaper
-        zendframework/zend-feed
-        zendframework/zend-stdlib
-      ])
+                                                       asm89/stack-cors
+                                                       behat/mink
+                                                       behat/mink-browserkit-driver
+                                                       behat/mink-goutte-driver
+                                                       behat/mink-selenium2-driver
+                                                       brumann/polyfill-unserialize
+                                                       composer/semver
+                                                       doctrine/annotations
+                                                       doctrine/cache
+                                                       doctrine/collections
+                                                       doctrine/common
+                                                       doctrine/event-manager
+                                                       doctrine/inflector
+                                                       doctrine/instantiator
+                                                       doctrine/lexer
+                                                       doctrine/persistence
+                                                       doctrine/reflection
+                                                       drupal/coder
+                                                       easyrdf/easyrdf
+                                                       egulias/email-validator
+                                                       fabpot/goutte
+                                                       guzzlehttp/guzzle
+                                                       guzzlehttp/promises
+                                                       guzzlehttp/psr7
+                                                       instaclick/php-webdriver
+                                                       jcalderonzumba/gastonjs
+                                                       jcalderonzumba/mink-phantomjs-driver
+                                                       justinrainbow/json-schema
+                                                       masterminds/html5
+                                                       mikey179/vfsstream
+                                                       myclabs/deep-copy
+                                                       paragonie/random_compat
+                                                       pear/archive_tar
+                                                       pear/console_getopt
+                                                       pear/pear-core-minimal
+                                                       pear/pear_exception
+                                                       phar-io/manifest
+                                                       phar-io/version
+                                                       phpdocumentor/reflection-common
+                                                       phpdocumentor/reflection-docblock
+                                                       phpdocumentor/type-resolver
+                                                       phpspec/prophecy
+                                                       phpunit/php-code-coverage
+                                                       phpunit/php-file-iterator
+                                                       phpunit/php-text-template
+                                                       phpunit/php-timer
+                                                       phpunit/php-token-stream
+                                                       phpunit/phpunit
+                                                       phpunit/phpunit-mock-objects
+                                                       psr/container
+                                                       psr/http-message
+                                                       psr/log
+                                                       ralouphie/getallheaders
+                                                       sebastian/code-unit-reverse-lookup
+                                                       sebastian/comparator
+                                                       sebastian/diff
+                                                       sebastian/environment
+                                                       sebastian/exporter
+                                                       sebastian/global-state
+                                                       sebastian/object-enumerator
+                                                       sebastian/object-reflector
+                                                       sebastian/recursion-context
+                                                       sebastian/resource-operations
+                                                       sebastian/version
+                                                       squizlabs/php_codesniffer
+                                                       stack/builder
+                                                       symfony-cmf/routing
+                                                       symfony/browser-kit
+                                                       symfony/class-loader
+                                                       symfony/console
+                                                       symfony/css-selector
+                                                       symfony/debug
+                                                       symfony/dependency-injection
+                                                       symfony/dom-crawler
+                                                       symfony/event-dispatcher
+                                                       symfony/http-foundation
+                                                       symfony/http-kernel
+                                                       symfony/phpunit-bridge
+                                                       symfony/polyfill-ctype
+                                                       symfony/polyfill-iconv
+                                                       symfony/polyfill-intl-idn
+                                                       symfony/polyfill-mbstring
+                                                       symfony/polyfill-php56
+                                                       symfony/polyfill-php70
+                                                       symfony/polyfill-php72
+                                                       symfony/polyfill-util
+                                                       symfony/process
+                                                       symfony/psr-http-message-bridge
+                                                       symfony/routing
+                                                       symfony/serializer
+                                                       symfony/translation
+                                                       symfony/validator
+                                                       symfony/yaml
+                                                       theseer/tokenizer
+                                                       twig/twig
+                                                       typo3/phar-stream-wrapper
+                                                       webmozart/assert
+                                                       zendframework/zend-diactoros
+                                                       zendframework/zend-escaper
+                                                       zendframework/zend-feed
+                                                       zendframework/zend-stdlib
+                                                     ])
     end
   end
 end
diff --git a/spec/integration/python/pip_spec.rb b/spec/integration/python/pip_spec.rb
index 8e3ec3d..848e873 100644
--- a/spec/integration/python/pip_spec.rb
+++ b/spec/integration/python/pip_spec.rb
@@ -1,8 +1,10 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
-RSpec.describe "pip" do
-  context "when a project depends on the latest version of pip" do
-    let(:requirements) { "sentry-sdk>=0.7.7" }
+RSpec.describe 'pip' do
+  context 'when a project depends on the latest version of pip' do
+    let(:requirements) { 'sentry-sdk>=0.7.7' }
 
     it 'produces a valid report' do
       runner.add_file('requirements.txt', requirements)
@@ -11,12 +13,12 @@ RSpec.describe "pip" do
 
       expect(report).to match_schema(version: '2.0')
       expect(report[:version]).to start_with('2')
-      expect(report.dependency_names).to include("sentry-sdk")
-      expect(report.licenses_for('sentry-sdk')).to match_array(["BSD-4-Clause"])
+      expect(report.dependency_names).to include('sentry-sdk')
+      expect(report.licenses_for('sentry-sdk')).to match_array(['BSD-4-Clause'])
     end
   end
 
-  context "when the project has a dependency that depends on a minimum of python 3.6" do
+  context 'when the project has a dependency that depends on a minimum of python 3.6' do
     let(:requirements) do
       [
         'boto3',
@@ -64,7 +66,7 @@ RSpec.describe "pip" do
     end
   end
 
-  context "when scanning projects with a `setup.py` and does not have a `requirements.txt` file" do
+  context 'when scanning projects with a `setup.py` and does not have a `requirements.txt` file' do
     it 'detects licenses in a simple `setup.py`' do
       runner.add_file('setup.py', fixture_file_content('python/simple-setup.py'))
       report = runner.scan
@@ -84,7 +86,7 @@ RSpec.describe "pip" do
     end
   end
 
-  context "when scanning projects that have a custom index-url" do
+  context 'when scanning projects that have a custom index-url' do
     before do
       runner.add_file('requirements.txt', 'six')
     end
@@ -93,11 +95,11 @@ RSpec.describe "pip" do
       report = runner.scan(env: { 'PIP_INDEX_URL' => 'https://test.pypi.org/simple/' })
 
       expect(report).to match_schema(version: '2.0')
-      expect(report.licenses_for('six')).to match_array(["MIT"])
+      expect(report.licenses_for('six')).to match_array(['MIT'])
     end
   end
 
-  context "when a project uses a custom `SETUP_CMD`" do
+  context 'when a project uses a custom `SETUP_CMD`' do
     before do
       runner.add_file('requirements.txt', 'six==1.14.0')
     end
@@ -106,20 +108,20 @@ RSpec.describe "pip" do
       report = runner.scan(env: { 'SETUP_CMD' => 'pip install -r requirements.txt' })
 
       expect(report).to match_schema(version: '2.0')
-      expect(report.licenses_for('six')).to match_array(["MIT"])
+      expect(report.licenses_for('six')).to match_array(['MIT'])
       expect(report.dependency_names).to contain_exactly('six')
     end
   end
 
-  context "when a projects is running in airgap mode" do
+  context 'when a projects is running in airgap mode' do
     before do
       runner.add_file('requirements.txt', '')
     end
 
     it 'is able to scan the project' do
       report = runner.scan(env: {
-        'PIP_INDEX_URL' => 'https://localhost/simple/'
-      })
+                             'PIP_INDEX_URL' => 'https://localhost/simple/'
+                           })
 
       expect(report).to match_schema(version: '2.0')
       expect(report[:licenses]).to be_empty
@@ -127,30 +129,30 @@ RSpec.describe "pip" do
     end
   end
 
-  context "when connecting to a private package repository with self signed certificate" do
+  context 'when connecting to a private package repository with self signed certificate' do
     let(:index_url) { "https://#{private_pypi_host}/simple" }
     let(:bundle) { fixture_file_content('python/pypi.crt') }
 
     before do
       runner.add_file('setup.py') do
         <<~RAW
-from setuptools import setup, find_packages
-
-setup(
-    name='gitlab-sp-test-python-pip',
-    version='1.2.0',
-    packages=find_packages(),
-    install_requires=['requests'],
-)
+          from setuptools import setup, find_packages
+
+          setup(
+              name='gitlab-sp-test-python-pip',
+              version='1.2.0',
+              packages=find_packages(),
+              install_requires=['requests'],
+          )
         RAW
       end
     end
 
     it 'downloads the packages and trusts the certificate' do
       report = runner.scan(env: {
-        'ADDITIONAL_CA_CERT_BUNDLE' => bundle,
-        'PIP_INDEX_URL' => index_url
-      })
+                             'ADDITIONAL_CA_CERT_BUNDLE' => bundle,
+                             'PIP_INDEX_URL' => index_url
+                           })
 
       expect(report).to match_schema(version: '2.0')
       expect(report.dependency_names).to include('requests')
diff --git a/spec/integration/python/pipenv_spec.rb b/spec/integration/python/pipenv_spec.rb
index b54ee99..0f8cfbc 100644
--- a/spec/integration/python/pipenv_spec.rb
+++ b/spec/integration/python/pipenv_spec.rb
@@ -1,22 +1,24 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
-RSpec.describe "pipenv" do
-  include_examples "each report version", "python", "pipenv", "pip-file-lock"
+RSpec.describe 'pipenv' do
+  include_examples 'each report version', 'python', 'pipenv', 'pip-file-lock'
 
-  context "when a project depends on a version 6 Pipfile.lock" do
+  context 'when a project depends on a version 6 Pipfile.lock' do
     let(:pipfile_lock_content) do
       JSON.pretty_generate({
-        "_meta": {
-          "hash": { "sha256": "" },
-          "pipfile-spec": 6,
-          "requires": { "python_version": "3.8" },
-          "sources": [{ "name": "pypi", "url": "https://pypi.org/simple", "verify_ssl": true }]
-        },
-        "default": {
-          "six": { "hashes": [], "index": "pypi", "version": "==1.13.0" }
-        },
-        "develop": {}
-      })
+                             "_meta": {
+                               "hash": { "sha256": '' },
+                               "pipfile-spec": 6,
+                               "requires": { "python_version": '3.8' },
+                               "sources": [{ "name": 'pypi', "url": 'https://pypi.org/simple', "verify_ssl": true }]
+                             },
+                             "default": {
+                               "six": { "hashes": [], "index": 'pypi', "version": '==1.13.0' }
+                             },
+                             "develop": {}
+                           })
     end
 
     it 'produces a valid report' do
@@ -27,41 +29,41 @@ RSpec.describe "pipenv" do
       expect(report).to match_schema(version: '2.0')
       expect(report[:version]).not_to be_empty
       expect(report[:licenses]).not_to be_empty
-      expect(report.dependency_names).to contain_exactly("six")
+      expect(report.dependency_names).to contain_exactly('six')
     end
   end
 
-  context "when a project depends on a version 3.2.1 Pipfile.lock" do
+  context 'when a project depends on a version 3.2.1 Pipfile.lock' do
     let(:pipfile_lock_content) do
       JSON.pretty_generate({
-        "default": {
-          "crayons": { "version": "==0.1.2", "hash": "" },
-          "requirements-parser": { "version": "==0.1.0", "hash": "" },
-          "pexpect": { "version": "==4.2.1", "hash": "" },
-          "delegator.py": { "version": "==0.0.8", "hash": "" },
-          "backports.shutil_get_terminal_size": { "version": "==1.0.0", "hash": "" },
-          "ptyprocess": { "version": "==0.5.1", "hash": "" },
-          "parse": { "version": "==1.6.6", "hash": "" },
-          "toml": { "version": "==0.9.2", "hash": "" },
-          "colorama": { "version": "==0.3.7", "hash": "" },
-          "requests": { "version": "==2.13.0", "hash": "" },
-          "click": { "version": "==6.7", "hash": "" }
-        },
-        "develop": {
-          "packaging": { "version": "==16.8", "hash": "" },
-          "pytest": { "version": "==3.0.6", "hash": "" },
-          "setuptools": { "version": "==34.0.2", "hash": "" },
-          "pyparsing": { "version": "==2.1.10", "hash": "" },
-          "py": { "version": "==1.4.32", "hash": "" },
-          "six": { "version": "==1.10.0", "hash": "" },
-          "appdirs": { "version": "==1.4.0", "hash": "" }
-        },
-        "_meta": {
-          "sources": [{ "url": "https://pypi.python.org/simple", "verify_ssl": true }],
-          "requires": {},
-          "Pipfile-sha256": "24f12b631b7c40b8c5eff934a1aef263ed04f5eaffb4acf4706442f3d23cba36"
-        }
-      })
+                             "default": {
+                               "crayons": { "version": '==0.1.2', "hash": '' },
+                               "requirements-parser": { "version": '==0.1.0', "hash": '' },
+                               "pexpect": { "version": '==4.2.1', "hash": '' },
+                               "delegator.py": { "version": '==0.0.8', "hash": '' },
+                               "backports.shutil_get_terminal_size": { "version": '==1.0.0', "hash": '' },
+                               "ptyprocess": { "version": '==0.5.1', "hash": '' },
+                               "parse": { "version": '==1.6.6', "hash": '' },
+                               "toml": { "version": '==0.9.2', "hash": '' },
+                               "colorama": { "version": '==0.3.7', "hash": '' },
+                               "requests": { "version": '==2.13.0', "hash": '' },
+                               "click": { "version": '==6.7', "hash": '' }
+                             },
+                             "develop": {
+                               "packaging": { "version": '==16.8', "hash": '' },
+                               "pytest": { "version": '==3.0.6', "hash": '' },
+                               "setuptools": { "version": '==34.0.2', "hash": '' },
+                               "pyparsing": { "version": '==2.1.10', "hash": '' },
+                               "py": { "version": '==1.4.32', "hash": '' },
+                               "six": { "version": '==1.10.0', "hash": '' },
+                               "appdirs": { "version": '==1.4.0', "hash": '' }
+                             },
+                             "_meta": {
+                               "sources": [{ "url": 'https://pypi.python.org/simple', "verify_ssl": true }],
+                               "requires": {},
+                               "Pipfile-sha256": '24f12b631b7c40b8c5eff934a1aef263ed04f5eaffb4acf4706442f3d23cba36'
+                             }
+                           })
     end
 
     it 'produces a valid report' do
@@ -73,55 +75,55 @@ RSpec.describe "pipenv" do
       expect(report[:version]).not_to be_empty
       expect(report[:licenses]).not_to be_empty
       expect(report.dependency_names).to match_array([
-        "backports.shutil_get_terminal_size",
-        "click",
-        "colorama",
-        "crayons",
-        "delegator.py",
-        "parse",
-        "pexpect",
-        "ptyprocess",
-        "requests",
-        "requirements-parser",
-        "toml"
-      ])
+                                                       'backports.shutil_get_terminal_size',
+                                                       'click',
+                                                       'colorama',
+                                                       'crayons',
+                                                       'delegator.py',
+                                                       'parse',
+                                                       'pexpect',
+                                                       'ptyprocess',
+                                                       'requests',
+                                                       'requirements-parser',
+                                                       'toml'
+                                                     ])
     end
   end
 
-  context "when a project depends on a version 5 Pipfile.lock" do
+  context 'when a project depends on a version 5 Pipfile.lock' do
     let(:pipfile_lock_content) do
       JSON.pretty_generate({
-        "_meta": {
-          "hash": { "sha256": "" },
-          "host-environment-markers": {
-            "implementation_name": "cpython",
-            "implementation_version": "3.6.1",
-            "os_name": "posix",
-            "platform_machine": "x86_64",
-            "platform_python_implementation": "CPython",
-            "platform_release": "16.7.0",
-            "platform_system": "Darwin",
-            "platform_version": "Darwin Kernel Version 16.7.0: Thu Jun 15 17:36:27 PDT 2017; root:xnu-3789.70.16~2/RELEASE_X86_64",
-            "python_full_version": "3.6.1",
-            "python_version": "3.6",
-            "sys_platform": "darwin"
-          },
-          "pipfile-spec": 5,
-          "requires": {},
-          "sources": [{ "name": "pypi", "url": "https://pypi.python.org/simple", "verify_ssl": true }]
-        },
-        "default": {
-          "certifi": { "hashes": ["", ""], "version": "==2017.7.27.1" },
-          "chardet": { "hashes": ["", ""], "version": "==3.0.4" },
-          "idna": { "hashes": ["", ""], "version": "==2.6" },
-          "requests": { "hashes": ["", ""], "version": "==2.18.4" },
-          "urllib3": { "hashes": ["", ""], "version": "==1.22" }
-        },
-        "develop": {
-          "py": { "hashes": ["", ""], "version": "==1.4.34" },
-          "pytest": { "hashes": ["", ""], "version": "==3.2.2" }
-        }
-      })
+                             "_meta": {
+                               "hash": { "sha256": '' },
+                               "host-environment-markers": {
+                                 "implementation_name": 'cpython',
+                                 "implementation_version": '3.6.1',
+                                 "os_name": 'posix',
+                                 "platform_machine": 'x86_64',
+                                 "platform_python_implementation": 'CPython',
+                                 "platform_release": '16.7.0',
+                                 "platform_system": 'Darwin',
+                                 "platform_version": 'Darwin Kernel Version 16.7.0: Thu Jun 15 17:36:27 PDT 2017; root:xnu-3789.70.16~2/RELEASE_X86_64',
+                                 "python_full_version": '3.6.1',
+                                 "python_version": '3.6',
+                                 "sys_platform": 'darwin'
+                               },
+                               "pipfile-spec": 5,
+                               "requires": {},
+                               "sources": [{ "name": 'pypi', "url": 'https://pypi.python.org/simple', "verify_ssl": true }]
+                             },
+                             "default": {
+                               "certifi": { "hashes": ['', ''], "version": '==2017.7.27.1' },
+                               "chardet": { "hashes": ['', ''], "version": '==3.0.4' },
+                               "idna": { "hashes": ['', ''], "version": '==2.6' },
+                               "requests": { "hashes": ['', ''], "version": '==2.18.4' },
+                               "urllib3": { "hashes": ['', ''], "version": '==1.22' }
+                             },
+                             "develop": {
+                               "py": { "hashes": ['', ''], "version": '==1.4.34' },
+                               "pytest": { "hashes": ['', ''], "version": '==3.2.2' }
+                             }
+                           })
     end
 
     it 'produces a valid report' do
@@ -133,29 +135,29 @@ RSpec.describe "pipenv" do
       expect(report[:version]).not_to be_empty
       expect(report[:licenses]).not_to be_empty
       expect(report.dependency_names).to match_array(%w[
-        certifi
-        chardet
-        idna
-        requests
-        urllib3
-      ])
+                                                       certifi
+                                                       chardet
+                                                       idna
+                                                       requests
+                                                       urllib3
+                                                     ])
     end
   end
 
-  context "when fetching metadata from a custom source" do
+  context 'when fetching metadata from a custom source' do
     let(:pipfile_lock_content) do
       JSON.pretty_generate({
-        "_meta": {
-          "hash": { "sha256": "" },
-          "pipfile-spec": 6,
-          "requires": { "python_version": "3.8" },
-          "sources": [{ "name": "pypi", "url": "https://test.pypi.org/simple", "verify_ssl": true }]
-        },
-        "default": {
-          "six": { "hashes": [], "index": "pypi", "version": "==1.13.0" }
-        },
-        "develop": {}
-      })
+                             "_meta": {
+                               "hash": { "sha256": '' },
+                               "pipfile-spec": 6,
+                               "requires": { "python_version": '3.8' },
+                               "sources": [{ "name": 'pypi', "url": 'https://test.pypi.org/simple', "verify_ssl": true }]
+                             },
+                             "default": {
+                               "six": { "hashes": [], "index": 'pypi', "version": '==1.13.0' }
+                             },
+                             "develop": {}
+                           })
     end
 
     before do
@@ -172,7 +174,7 @@ RSpec.describe "pipenv" do
     end
   end
 
-  context "when scanning a simple Pipfile project" do
+  context 'when scanning a simple Pipfile project' do
     let(:lockfile_content) { fixture_file_content('python/simple-Pipfile.lock') }
     let(:lockfile_hash) { JSON.parse(lockfile_content) }
 
@@ -202,7 +204,7 @@ RSpec.describe "pipenv" do
     end
   end
 
-  context "when connecting to a private package repository with self signed certificate" do
+  context 'when connecting to a private package repository with self signed certificate' do
     let(:index_url) { "https://#{private_pypi_host}/simple" }
     let(:bundle) { fixture_file_content('python/pypi.crt') }
 
@@ -213,9 +215,9 @@ RSpec.describe "pipenv" do
 
     it 'downloads the packages and trusts the certificate' do
       report = runner.scan(env: {
-        'ADDITIONAL_CA_CERT_BUNDLE' => bundle,
-        'PIP_INDEX_URL' => index_url
-      })
+                             'ADDITIONAL_CA_CERT_BUNDLE' => bundle,
+                             'PIP_INDEX_URL' => index_url
+                           })
 
       expect(report).to match_schema(version: '2.0')
       expect(report.dependency_names).to include('requests')
diff --git a/spec/integration/ruby/bundler_spec.rb b/spec/integration/ruby/bundler_spec.rb
index 5236adf..1f87275 100644
--- a/spec/integration/ruby/bundler_spec.rb
+++ b/spec/integration/ruby/bundler_spec.rb
@@ -1,83 +1,85 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
-RSpec.describe "bundler" do
-  include_examples "each report version", "ruby", "bundler"
+RSpec.describe 'bundler' do
+  include_examples 'each report version', 'ruby', 'bundler'
 
-  context "when the project depends on an older version of ruby specified in a `.ruby-version` file" do
+  context 'when the project depends on an older version of ruby specified in a `.ruby-version` file' do
     it 'installs the required ruby and produces a valid report' do
       runner.add_file('.ruby-version', 'ruby-2.4.9')
       runner.add_file('Gemfile') do
         <<~RAW
-source 'https://rubygems.org'
+          source 'https://rubygems.org'
 
-gem 'saml-kit'
+          gem 'saml-kit'
         RAW
       end
 
       report = runner.scan
       expect(report).to match_schema(version: '2.0')
       expect(report[:licenses]).not_to be_empty
-      expect(report[:dependencies].map { |x| x[:name] }).to include("saml-kit")
+      expect(report[:dependencies].map { |x| x[:name] }).to include('saml-kit')
     end
   end
 
-  context "when a project depends on an older version of bundler" do
+  context 'when a project depends on an older version of bundler' do
     it 'produces a valid report' do
       runner.add_file('Gemfile') do
         <<~RAW
-source 'https://rubygems.org'
+          source 'https://rubygems.org'
 
-gem 'saml-kit'
+          gem 'saml-kit'
         RAW
       end
       runner.add_file('Gemfile.lock') do
         <<~RAW
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activesupport (6.0.2.1)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2)
-    builder (3.2.4)
-    concurrent-ruby (1.1.5)
-    i18n (1.7.1)
-      concurrent-ruby (~> 1.0)
-    mini_portile2 (2.4.0)
-    minitest (5.13.0)
-    net-hippie (0.2.7)
-    nokogiri (1.10.7)
-      mini_portile2 (~> 2.4.0)
-    saml-kit (1.1.0)
-      activemodel (>= 4.2.0)
-      net-hippie (~> 0.1)
-      xml-kit (>= 0.3.0, < 1.0.0)
-    thread_safe (0.3.6)
-    tilt (2.0.10)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-    xml-kit (0.4.0)
-      activemodel (>= 4.2.0)
-      builder (~> 3.2)
-      nokogiri (~> 1.10)
-      tilt (>= 1.4.1)
-      xmldsig (~> 0.6)
-    xmldsig (0.6.6)
-      nokogiri (>= 1.6.8, < 2.0.0)
-    zeitwerk (2.2.2)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  saml-kit
-
-BUNDLED WITH
-   1.17.3
+          GEM
+            remote: https://rubygems.org/
+            specs:
+              activemodel (6.0.2.1)
+                activesupport (= 6.0.2.1)
+              activesupport (6.0.2.1)
+                concurrent-ruby (~> 1.0, >= 1.0.2)
+                i18n (>= 0.7, < 2)
+                minitest (~> 5.1)
+                tzinfo (~> 1.1)
+                zeitwerk (~> 2.2)
+              builder (3.2.4)
+              concurrent-ruby (1.1.5)
+              i18n (1.7.1)
+                concurrent-ruby (~> 1.0)
+              mini_portile2 (2.4.0)
+              minitest (5.13.0)
+              net-hippie (0.2.7)
+              nokogiri (1.10.7)
+                mini_portile2 (~> 2.4.0)
+              saml-kit (1.1.0)
+                activemodel (>= 4.2.0)
+                net-hippie (~> 0.1)
+                xml-kit (>= 0.3.0, < 1.0.0)
+              thread_safe (0.3.6)
+              tilt (2.0.10)
+              tzinfo (1.2.6)
+                thread_safe (~> 0.1)
+              xml-kit (0.4.0)
+                activemodel (>= 4.2.0)
+                builder (~> 3.2)
+                nokogiri (~> 1.10)
+                tilt (>= 1.4.1)
+                xmldsig (~> 0.6)
+              xmldsig (0.6.6)
+                nokogiri (>= 1.6.8, < 2.0.0)
+              zeitwerk (2.2.2)
+
+          PLATFORMS
+            ruby
+
+          DEPENDENCIES
+            saml-kit
+
+          BUNDLED WITH
+             1.17.3
         RAW
       end
 
@@ -85,34 +87,34 @@ BUNDLED WITH
 
       expect(report).to match_schema(version: '2.0')
       expect(report[:licenses]).not_to be_empty
-      expect(report.dependency_names).to include("saml-kit")
+      expect(report.dependency_names).to include('saml-kit')
     end
   end
 
-  context "when a project depends on bundler `~> 2.0`" do
+  context 'when a project depends on bundler `~> 2.0`' do
     it 'produces a valid report' do
       runner.add_file('Gemfile') do
         <<~RAW
-source 'https://rubygems.org'
+          source 'https://rubygems.org'
 
-gem 'net-hippie'
+          gem 'net-hippie'
         RAW
       end
       runner.add_file('Gemfile.lock') do
         <<~RAW
-GEM
-  remote: https://rubygems.org/
-  specs:
-    net-hippie (0.3.2)
+          GEM
+            remote: https://rubygems.org/
+            specs:
+              net-hippie (0.3.2)
 
-PLATFORMS
-  ruby
+          PLATFORMS
+            ruby
 
-DEPENDENCIES
-  net-hippie
+          DEPENDENCIES
+            net-hippie
 
-BUNDLED WITH
-   2.1.4
+          BUNDLED WITH
+             2.1.4
         RAW
       end
 
@@ -121,20 +123,20 @@ BUNDLED WITH
       expect(report).to match_schema(version: '2.0')
       expect(report[:licenses]).not_to be_empty
       expect(report.find('net-hippie')).to eql({
-        name: 'net-hippie',
-        description: "net/http for hippies. ☮️",
-        url: "https://github.com/mokhan/net-hippie/",
-        paths: ['.'],
-        licenses: ['MIT']
-      })
+                                                 name: 'net-hippie',
+                                                 description: 'net/http for hippies. ☮️',
+                                                 url: 'https://github.com/mokhan/net-hippie/',
+                                                 paths: ['.'],
+                                                 licenses: ['MIT']
+                                               })
     end
   end
 
-  context "when passing custom options to license finder" do
+  context 'when passing custom options to license finder' do
     it 'forwards the options to license finder' do
       report = runner.scan(env: {
-        'LICENSE_FINDER_CLI_OPTS' => "--debug --aggregate-paths=. ruby"
-      })
+                             'LICENSE_FINDER_CLI_OPTS' => '--debug --aggregate-paths=. ruby'
+                           })
 
       expect(report).to match_schema(version: '2.0')
     end
diff --git a/spec/support/fixture_file_helper.rb b/spec/support/fixture_file_helper.rb
index 5a9599f..6905f02 100644
--- a/spec/support/fixture_file_helper.rb
+++ b/spec/support/fixture_file_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module FixtureFileHelper
   def fixture_file_content(path, data = {})
     content = IO.read(fixture_file(path))
diff --git a/spec/support/integration_test_helper.rb b/spec/support/integration_test_helper.rb
index 52693f2..d1ff14a 100644
--- a/spec/support/integration_test_helper.rb
+++ b/spec/support/integration_test_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module IntegrationTestHelper
   class Report
     attr_reader :report
diff --git a/spec/support/matchers.rb b/spec/support/matchers.rb
index 66bb92c..038c593 100644
--- a/spec/support/matchers.rb
+++ b/spec/support/matchers.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec::Matchers.define :match_schema do |version: '2.0'|
   def schema_for(version)
     License::Management.root.join("spec/fixtures/schema/v#{version}.json").to_s
@@ -7,7 +9,7 @@ RSpec::Matchers.define :match_schema do |version: '2.0'|
     !actual.nil? && (@errors = JSON::Validator.fully_validate(schema_for(version), actual.to_h)).empty?
   end
 
-  failure_message do |response|
+  failure_message do |_response|
     "didn't match the schema for version #{version}" \
     " The validation errors were:\n#{@errors.join("\n")}"
   end
diff --git a/spec/support/shared.rb b/spec/support/shared.rb
index 51b161a..2e84dd2 100644
--- a/spec/support/shared.rb
+++ b/spec/support/shared.rb
@@ -1,4 +1,6 @@
-RSpec.shared_examples "each report version" do |language, package_manager, branch = 'master'|
+# frozen_string_literal: true
+
+RSpec.shared_examples 'each report version' do |language, package_manager, branch = 'master'|
   ['1.0', '1.1', '2.0'].each do |version|
     context "when generating a `#{version}` report for #{package_manager}" do
       let(:url) { "https://gitlab.com/gitlab-org/security-products/tests/#{language}-#{package_manager}.git" }
diff --git a/spec/unit/license/management/report/v2_spec.rb b/spec/unit/license/management/report/v2_spec.rb
index e5a941e..8ba2fa3 100644
--- a/spec/unit/license/management/report/v2_spec.rb
+++ b/spec/unit/license/management/report/v2_spec.rb
@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 RSpec.describe License::Management::Report::V2 do
-  describe "#to_h" do
+  describe '#to_h' do
     {
       'AGPL-1.0' => 'AGPL-1.0',
       'AGPL-3.0' => 'AGPL-3.0',
@@ -40,7 +42,7 @@ RSpec.describe License::Management::Report::V2 do
       end
     end
 
-    context "when choosing an appropriate url for a license" do
+    context 'when choosing an appropriate url for a license' do
       subject { described_class.new([dependency]) }
 
       let(:license) { LicenseFinder::License.new(short_name: 'MIT', matcher: LicenseFinder::License::NoneMatcher.new, url: nil) }
diff --git a/spec/unit/license/management/repository_spec.rb b/spec/unit/license/management/repository_spec.rb
index 6006e8a..5ab7a03 100644
--- a/spec/unit/license/management/repository_spec.rb
+++ b/spec/unit/license/management/repository_spec.rb
@@ -1,8 +1,10 @@
+# frozen_string_literal: true
+
 RSpec.describe License::Management::Repository do
-  describe "#item_for" do
+  describe '#item_for' do
     let(:spdx_licenses) { JSON.parse(IO.read('spdx-licenses.json'))['licenses'] }
 
-    context "when mapping a license that refers to opensource.org" do
+    context 'when mapping a license that refers to opensource.org' do
       it 'parses the SPDX id from the url' do
         spdx_licenses.each do |license|
           spdx_id = license['licenseId']
@@ -20,7 +22,7 @@ RSpec.describe License::Management::Repository do
       end
     end
 
-    context "when mapping a license that refers to nuget.org" do
+    context 'when mapping a license that refers to nuget.org' do
       it 'parses the SPDX id from the url' do
         spdx_licenses.each do |license|
           spdx_id = license['licenseId']