Install tools from .deb package

7 files changed, 388 insertions, 14 deletions

diff --git a/spec/unit/license_finder/bundler_spec.rb b/spec/unit/license_finder/bundler_spec.rb
index 5458892..84edde2 100644
--- a/spec/unit/license_finder/bundler_spec.rb
+++ b/spec/unit/license_finder/bundler_spec.rb
@@ -1,26 +1,28 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe LicenseFinder::Bundler do
+  let(:package_manager) { described_class.new(options) }
+  let(:options) { { ignored_groups: [], project_path: project.project_path } }
+  let(:project) { ProjectHelper.new }
+
+  before do
+    project.mount(dir: project_fixture)
+  end
+
+  after do
+    project.cleanup
+  end
+
   describe "#current_packages" do
     subject do
       project.chdir do
-        bundler.prepare
-        bundler.current_packages
+        package_manager.prepare
+        package_manager.current_packages
       end
     end
 
-    let(:bundler) { described_class.new(options) }
-    let(:options) { { ignored_groups: [], project_path: project.project_path } }
-    let(:project) { ProjectHelper.new }
-
-    before do
-      project.mount(dir: project_fixture)
-    end
-
-    after do
-      project.cleanup
-    end
-
     context "when scanning a v2.1 bundler project" do
       let(:project_fixture) { fixture_file('ruby/bundler-v2.1') }
 
@@ -45,4 +47,32 @@ RSpec.describe LicenseFinder::Bundler do
       specify { expect(subject.map(&:name)).to include("saml-kit") }
     end
   end
+
+  describe "#ruby_version" do
+    subject { package_manager.send(:ruby_version) }
+
+    context "when the version of ruby is specified in the Gemfile" do
+      let(:project_fixture) { fixture_file('ruby/bundler/ruby-2.4.9') }
+
+      specify { expect(subject).to eql('2.4.9') }
+    end
+
+    context "when the version of ruby is specified in a .ruby-version file" do
+      let(:project_fixture) { fixture_file('ruby/bundler-ruby-2.4.9-no-lockfile') }
+
+      specify { expect(subject).to eql('2.4.9') }
+    end
+
+    context "when the version of ruby is specified in a .tool-versions file" do
+      let(:project_fixture) { fixture_file('ruby/bundler/ruby-2.6.0-tool-versions') }
+
+      specify { expect(subject).to eql('2.6.0') }
+    end
+
+    context "when a ruby is not specified it uses the default version" do
+      let(:project_fixture) { fixture_file('ruby/bundler-v2.1') }
+
+      specify { expect(subject).to eql('2.6.6') }
+    end
+  end
 end
diff --git a/spec/unit/license_finder/dotnet_spec.rb b/spec/unit/license_finder/dotnet_spec.rb
new file mode 100644
index 0000000..144d29e
--- /dev/null
+++ b/spec/unit/license_finder/dotnet_spec.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe LicenseFinder::Dotnet do
+  let(:package_manager) { described_class.new(options) }
+  let(:options) { { ignored_groups: [], project_path: project.project_path } }
+  let(:project) { ProjectHelper.new }
+
+  before do
+    project.mount(dir: project_fixture)
+  end
+
+  after do
+    project.cleanup
+  end
+
+  describe "#dotnet_version" do
+    subject { package_manager.dotnet_version }
+
+    context "when the version of dotnet is specified in a .tool-versions file" do
+      let(:project_fixture) { fixture_file('dotnet/nuget-csproj') }
+
+      before do
+        project.add_file('.tool-versions', 'dotnet-core 3.1.301')
+      end
+
+      specify { expect(subject).to eql('3.1.301') }
+    end
+
+    context "when a nodejs version is not specified" do
+      let(:project_fixture) { fixture_file('dotnet/nuget-csproj') }
+
+      specify { expect(subject).to eql('3.1.302') }
+    end
+  end
+end
diff --git a/spec/unit/license_finder/gradle_spec.rb b/spec/unit/license_finder/gradle_spec.rb
new file mode 100644
index 0000000..18c58d7
--- /dev/null
+++ b/spec/unit/license_finder/gradle_spec.rb
@@ -0,0 +1,65 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe LicenseFinder::Gradle do
+  let(:package_manager) { described_class.new(options) }
+  let(:options) { { ignored_groups: [], project_path: project.project_path } }
+  let(:project) { ProjectHelper.new }
+  let(:project_fixture) { fixture_file('java/gradle/java-8') }
+
+  before do
+    project.mount(dir: project_fixture)
+  end
+
+  after do
+    project.cleanup
+  end
+
+  describe "#java_version" do
+    subject { package_manager.send(:java_version, env: env) }
+
+    let(:env) { {} }
+
+    context "when the version is specified in a .tool-versions file" do
+      let(:project_fixture) { fixture_file('java/maven/tool-versions') }
+
+      specify { expect(subject).to eql('tool-versions') }
+    end
+
+    context "when the version is specified in a .java-version file" do
+      let(:project_fixture) { fixture_file('java/maven/java-version') }
+
+      specify { expect(subject).to eql('java-version') }
+    end
+
+    context "when the version is specified via a ASDF_JAVA_VERSION environment variable" do
+      let(:env) { { "ASDF_JAVA_VERSION" => 'adopt-openjdk-11' } }
+
+      specify { expect(subject).to eql('adoptopenjdk-11') }
+    end
+
+    %w[8 11].each do |java_version|
+      context "when the version is specified via a LM_JAVA_VERSION (#{java_version}) environment variable" do
+        let(:env) { { "LM_JAVA_VERSION" => java_version } }
+
+        specify { expect(subject).to eql(java_version) }
+      end
+    end
+
+    context "when LM_JAVA_VERSION and ASDF_JAVA_VERSION is provided" do
+      let(:env) do
+        {
+          'ASDF_JAVA_VERSION' => 'adopt-openjdk-11',
+          'LM_JAVA_VERSION' => '8'
+        }
+      end
+
+      specify { expect(subject).to eql('8') }
+    end
+
+    context 'when a custom Java version is not specified' do
+      specify { expect(subject).to eql('8') }
+    end
+  end
+end
diff --git a/spec/unit/license_finder/maven_spec.rb b/spec/unit/license_finder/maven_spec.rb
new file mode 100644
index 0000000..737b707
--- /dev/null
+++ b/spec/unit/license_finder/maven_spec.rb
@@ -0,0 +1,65 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe LicenseFinder::Maven do
+  let(:package_manager) { described_class.new(options) }
+  let(:options) { { ignored_groups: [], project_path: project.project_path } }
+  let(:project) { ProjectHelper.new }
+  let(:project_fixture) { fixture_file('java/maven/simple') }
+
+  before do
+    project.mount(dir: project_fixture)
+  end
+
+  after do
+    project.cleanup
+  end
+
+  describe "#java_version" do
+    subject { package_manager.send(:java_version, env: env) }
+
+    let(:env) { {} }
+
+    context "when the version is specified in a .tool-versions file" do
+      let(:project_fixture) { fixture_file('java/maven/tool-versions') }
+
+      specify { expect(subject).to eql('tool-versions') }
+    end
+
+    context "when the version is specified in a .java-version file" do
+      let(:project_fixture) { fixture_file('java/maven/java-version') }
+
+      specify { expect(subject).to eql('java-version') }
+    end
+
+    context "when the version is specified via a ASDF_JAVA_VERSION environment variable" do
+      let(:env) { { "ASDF_JAVA_VERSION" => 'adopt-openjdk-11' } }
+
+      specify { expect(subject).to eql('adoptopenjdk-11') }
+    end
+
+    %w[8 11].each do |java_version|
+      context "when the version is specified via a LM_JAVA_VERSION (#{java_version}) environment variable" do
+        let(:env) { { "LM_JAVA_VERSION" => java_version } }
+
+        specify { expect(subject).to eql(java_version) }
+      end
+    end
+
+    context "when LM_JAVA_VERSION and ASDF_JAVA_VERSION is provided" do
+      let(:env) do
+        {
+          'ASDF_JAVA_VERSION' => 'adopt-openjdk-11',
+          'LM_JAVA_VERSION' => '8'
+        }
+      end
+
+      specify { expect(subject).to eql('8') }
+    end
+
+    context 'when a custom Java version is not specified' do
+      specify { expect(subject).to eql('8') }
+    end
+  end
+end
diff --git a/spec/unit/license_finder/pip_spec.rb b/spec/unit/license_finder/pip_spec.rb
new file mode 100644
index 0000000..8a5efbc
--- /dev/null
+++ b/spec/unit/license_finder/pip_spec.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe LicenseFinder::Pip do
+  let(:package_manager) { described_class.new(options) }
+  let(:options) { { ignored_groups: [], project_path: project.project_path } }
+  let(:project) { ProjectHelper.new }
+  let(:project_fixture) { fixture_file('python/pip/requirements') }
+
+  before do
+    project.mount(dir: project_fixture)
+  end
+
+  after do
+    project.cleanup
+  end
+
+  describe "#python_version" do
+    subject { package_manager.send(:python_version, env: env) }
+
+    let(:env) { {} }
+
+    context "when the version is specified in a .tool-versions file" do
+      before do
+        project.add_file(".tool-versions", "python 3.8.1")
+      end
+
+      specify { expect(subject).to eql('3.8.5') }
+    end
+
+    context "when the version is specified in a .python-version file" do
+      before do
+        project.add_file(".python-version", "3.8.0")
+      end
+
+      specify { expect(subject).to eql('3.8.5') }
+    end
+
+    context "when the version is specified via a ASDF_PYTHON_VERSION environment variable" do
+      let(:env) { { "ASDF_PYTHON_VERSION" => '3.8.1' } }
+
+      specify { expect(subject).to eql('3.8.5') }
+    end
+
+    [['2', '2.7.18'], ['3', '3.8.5']].each do |(major, version)|
+      context "when the version is specified via a LM_PYTHON_VERSION (#{major}) environment variable" do
+        let(:env) { { "LM_PYTHON_VERSION" => major } }
+
+        specify { expect(subject).to eql(version) }
+      end
+    end
+
+    context "when LM_PYTHON_VERSION and ASDF_PYTHON_VERSION is provided" do
+      let(:env) do
+        {
+          'ASDF_PYTHON_VERSION' => '2.7.19',
+          'LM_PYTHON_VERSION' => '3'
+        }
+      end
+
+      specify { expect(subject).to eql('3.8.5') }
+    end
+
+    context 'when a custom Python version is not specified' do
+      specify { expect(subject).to eql('3.8.5') }
+    end
+  end
+end
diff --git a/spec/unit/license_finder/pipenv_spec.rb b/spec/unit/license_finder/pipenv_spec.rb
new file mode 100644
index 0000000..7971df5
--- /dev/null
+++ b/spec/unit/license_finder/pipenv_spec.rb
@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe LicenseFinder::Pipenv do
+  let(:package_manager) { described_class.new(options) }
+  let(:options) { { ignored_groups: [], project_path: project.project_path } }
+  let(:project) { ProjectHelper.new }
+  let(:project_fixture) { fixture_file('python/pipenv/simple') }
+
+  before do
+    project.mount(dir: project_fixture)
+  end
+
+  after do
+    project.cleanup
+  end
+
+  describe "#python_version" do
+    subject { package_manager.send(:python_version, env: env) }
+
+    let(:env) { {} }
+
+    context "when the version is specified in a .tool-versions file" do
+      before do
+        project.add_file(".tool-versions", "python 3.8.1")
+      end
+
+      specify { expect(subject).to eql('3.8.5') }
+    end
+
+    context "when the version is specified in a .python-version file" do
+      before do
+        project.add_file(".python-version", "3.8.0")
+      end
+
+      specify { expect(subject).to eql('3.8.5') }
+    end
+
+    context "when the version is specified via a ASDF_PYTHON_VERSION environment variable" do
+      let(:env) { { "ASDF_PYTHON_VERSION" => '3.8.1' } }
+
+      specify { expect(subject).to eql('3.8.5') }
+    end
+
+    [['2', '2.7.18'], ['3', '3.8.5']].each do |(major, version)|
+      context "when the version is specified via a LM_PYTHON_VERSION (#{major}) environment variable" do
+        let(:env) { { "LM_PYTHON_VERSION" => major } }
+
+        specify { expect(subject).to eql(version) }
+      end
+    end
+
+    context "when LM_PYTHON_VERSION and ASDF_PYTHON_VERSION is provided" do
+      let(:env) do
+        {
+          'ASDF_PYTHON_VERSION' => '2.7.19',
+          'LM_PYTHON_VERSION' => '3'
+        }
+      end
+
+      specify { expect(subject).to start_with('3.8') }
+    end
+
+    context 'when the version is specified in the Pipfile.lock' do
+      let(:project_fixture) { fixture_file('python/pipenv/specific-python-version') }
+
+      specify { expect(subject).to start_with('3.4') }
+    end
+
+    context 'when a custom Python version is not specified' do
+      specify { expect(subject).to eql('3.8.5') }
+    end
+  end
+end
diff --git a/spec/unit/license_finder/yarn_spec.rb b/spec/unit/license_finder/yarn_spec.rb
new file mode 100644
index 0000000..7062ea3
--- /dev/null
+++ b/spec/unit/license_finder/yarn_spec.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe LicenseFinder::Yarn do
+  let(:package_manager) { described_class.new(options) }
+  let(:options) { { ignored_groups: [], project_path: project.project_path } }
+  let(:project) { ProjectHelper.new }
+
+  before do
+    project.mount(dir: project_fixture)
+  end
+
+  after do
+    project.cleanup
+  end
+
+  describe "#nodejs_version" do
+    subject { package_manager.send(:nodejs_version) }
+
+    context "when the version of nodejs is specified in a .tool-versions file" do
+      let(:project_fixture) { fixture_file('js/10.21.0-tool-versions') }
+
+      specify { expect(subject).to eql('10.21.0') }
+    end
+
+    context "when a nodejs version is not specified" do
+      let(:project_fixture) { fixture_file('js/yarn/single-declared-dependency') }
+
+      specify { expect(subject).to eql('12.18.2') }
+    end
+  end
+end