4 files changed, 152 insertions, 0 deletions
diff --git a/spec/support/fixture_file_helper.rb b/spec/support/fixture_file_helper.rb
new file mode 100644
index 0000000..5a9599f
--- /dev/null
+++ b/spec/support/fixture_file_helper.rb
@@ -0,0 +1,14 @@
+module FixtureFileHelper
+  def fixture_file_content(path, data = {})
+    content = IO.read(fixture_file(path))
+    return content unless path.end_with?('.erb')
+
+    ERB
+      .new(content)
+      .result(OpenStruct.new(data).send(:binding))
+  end
+
+  def fixture_file(path)
+    License::Management.root.join("spec/fixtures/#{path}")
+  end
+end
diff --git a/spec/support/integration_test_helper.rb b/spec/support/integration_test_helper.rb
new file mode 100644
index 0000000..52693f2
--- /dev/null
+++ b/spec/support/integration_test_helper.rb
@@ -0,0 +1,105 @@
+module IntegrationTestHelper
+  class Report
+    attr_reader :report
+
+    def initialize(raw)
+      @report = JSON.parse(raw, symbolize_names: true)
+    end
+
+    def [](key)
+      report[key]
+    end
+
+    def dependency_names
+      report[:dependencies].map { |x| x[:name] }
+    end
+
+    def licenses_for(name)
+      find(name)[:licenses]
+    end
+
+    def find(name)
+      report[:dependencies].find do |dependency|
+        dependency[:name] == name
+      end
+    end
+
+    def nil?
+      report.nil?
+    end
+
+    def to_hash
+      to_h
+    end
+
+    def to_h
+      report
+    end
+  end
+
+  class IntegrationTestRunner
+    attr_reader :project_path
+
+    def initialize(project_path = File.join(Dir.pwd, 'tmp', SecureRandom.uuid))
+      FileUtils.mkdir_p(project_path)
+      @project_path = project_path
+    end
+
+    def add_file(name, content = nil)
+      full_path = Pathname.new(File.join(project_path, name))
+      FileUtils.mkdir_p(full_path.dirname)
+      IO.write(full_path, block_given? ? yield : content)
+    end
+
+    def mount(dir:)
+      FileUtils.cp_r("#{dir}/.", project_path)
+    end
+
+    def clone(repo, branch: 'master')
+      if branch.match?(/\b[0-9a-f]{5,40}\b/)
+        execute({}, 'git', 'clone', '--quiet', repo, project_path)
+        Dir.chdir project_path do
+          execute({}, 'git', 'checkout', branch)
+        end
+      else
+        execute({}, 'git', 'clone', '--quiet', '--depth=1', '--single-branch', '--branch', branch, repo, project_path)
+      end
+    end
+
+    def scan(env: {})
+      return {} unless execute(env, './bin/docker-test', project_path)
+
+      report_path = "#{project_path}/gl-license-management-report.json"
+      return {} unless File.exist?(report_path)
+
+      Report.new(IO.read(report_path))
+    end
+
+    def execute(env = {}, *args)
+      Bundler.with_unbundled_env do
+        system(env, *args, exception: true)
+      end
+    end
+
+    def cleanup
+      FileUtils.rm_rf(project_path) if Dir.exist?(project_path)
+    end
+  end
+
+  def private_pypi_host
+    @private_pypi_host ||= ENV.fetch('PRIVATE_PYPI_HOST').tap do |host|
+      add_host(host, ENV.fetch('PRIVATE_PYPI_IP'))
+    end
+  end
+
+  def runner(*args)
+    @runner ||= IntegrationTestRunner.new(*args)
+  end
+
+  def add_host(name, ip)
+    return unless ENV['LM_HOME']
+    return if system("grep #{name} /etc/hosts")
+
+    system("echo '#{ip} #{name}' >> /etc/hosts")
+  end
+end
diff --git a/spec/support/matchers.rb b/spec/support/matchers.rb
new file mode 100644
index 0000000..66bb92c
--- /dev/null
+++ b/spec/support/matchers.rb
@@ -0,0 +1,14 @@
+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
+  end
+
+  match do |actual|
+    !actual.nil? && (@errors = JSON::Validator.fully_validate(schema_for(version), actual.to_h)).empty?
+  end
+
+  failure_message do |response|
+    "didn't match the schema for version #{version}" \
+    " The validation errors were:\n#{@errors.join("\n")}"
+  end
+end
diff --git a/spec/support/shared.rb b/spec/support/shared.rb
new file mode 100644
index 0000000..51b161a
--- /dev/null
+++ b/spec/support/shared.rb
@@ -0,0 +1,19 @@
+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" }
+      let(:expected_content) { JSON.parse(fixture_file_content("expected/#{language}/#{package_manager}/v#{version}.json")) }
+
+      before do
+        runner.clone(url, branch: branch)
+      end
+
+      it 'matches the expected report' do
+        actual = runner.scan(env: { 'LM_REPORT_VERSION' => version })
+
+        expect(JSON.pretty_generate(actual.to_h)).to eq(JSON.pretty_generate(expected_content))
+        expect(actual).to match_schema(version: version)
+      end
+    end
+  end
+end