Add specs for Dependency-Scanning template

ee/spec/lib/gitlab/ci/templates/dependency_scanning_gitlab_ci_yaml_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Dependency-Scanning.gitlab-ci.yml' do
+  subject(:template) { Gitlab::Template::GitlabCiYmlTemplate.find('Dependency-Scanning') }
+
+  describe 'the created pipeline' do
+    let(:user) { create(:admin) }
+    let(:default_branch) { 'master' }
+    let(:project) { create(:project, :custom_repo, files: { 'README.txt' => '' }) }
+    let(:service) { Ci::CreatePipelineService.new(project, user, ref: 'master' ) }
+    let(:pipeline) { service.execute!(:push) }
+    let(:build_names) { pipeline.builds.pluck(:name) }
+
+    before do
+      stub_ci_pipeline_yaml_file(template.content)
+      allow_any_instance_of(Ci::BuildScheduleWorker).to receive(:perform).and_return(true)
+      allow(project).to receive(:default_branch).and_return(default_branch)
+    end
+
+    context 'when project has no license' do
+      it 'includes no jobs' do
+        expect { pipeline }.to raise_error(Ci::CreatePipelineService::CreateError)
+      end
+    end
+
+    context 'when project has Ultimate license' do
+      let(:license) { create(:license, plan: License::ULTIMATE_PLAN) }
+
+      before do
+        allow(License).to receive(:current).and_return(license)
+      end
+
+      context 'by default' do
+        it 'includes orchestrator job' do
+          expect(build_names).to match_array(%w[dependency_scanning])
+        end
+      end
+
+      context 'when DEPENDENCY_SCANNING_DISABLED=1' do
+        before do
+          create(:ci_variable, project: project, key: 'DEPENDENCY_SCANNING_DISABLED', value: '1')
+        end
+
+        it 'includes no jobs' do
+          expect { pipeline }.to raise_error(Ci::CreatePipelineService::CreateError)
+        end
+      end
+
+      context 'when DS_DISABLE_DIND=1' do
+        before do
+          create(:ci_variable, project: project, key: 'DS_DISABLE_DIND', value: '1')
+        end
+
+        describe 'language detection' do
+          using RSpec::Parameterized::TableSyntax
+
+          where(:case_name, :variables, :include_build_names) do
+            'Go'                   | { "CI_PROJECT_REPOSITORY_LANGUAGES" => "go" }              | %w(gemnasium-dependency_scanning)
+            'Java'                 | { "CI_PROJECT_REPOSITORY_LANGUAGES" => "java" }            | %w(gemnasium-maven-dependency_scanning)
+            'Javascript'           | { "CI_PROJECT_REPOSITORY_LANGUAGES" => "javascript" }      | %w(gemnasium-dependency_scanning retire-js-dependency_scanning)
+            'Multiple languages'   | { "CI_PROJECT_REPOSITORY_LANGUAGES" => "java,javascript" } | %w(gemnasium-dependency_scanning gemnasium-maven-dependency_scanning retire-js-dependency_scanning)
+            'PHP'                  | { "CI_PROJECT_REPOSITORY_LANGUAGES" => "php" }             | %w(gemnasium-dependency_scanning)
+            'Python'               | { "CI_PROJECT_REPOSITORY_LANGUAGES" => "python" }          | %w(gemnasium-python-dependency_scanning)
+            'Ruby'                 | { "CI_PROJECT_REPOSITORY_LANGUAGES" => "ruby" }            | %w(bundler-audit-dependency_scanning gemnasium-dependency_scanning)
+            'Scala'                | { "CI_PROJECT_REPOSITORY_LANGUAGES" => "scala" }           | %w(gemnasium-maven-dependency_scanning)
+          end
+
+          with_them do
+            before do
+              variables.each do |(key, value)|
+                create(:ci_variable, project: project, key: key, value: value)
+              end
+            end
+
+            it 'creates a pipeline with the expected jobs' do
+              expect(build_names).to include(*include_build_names)
+            end
+          end
+        end
+      end
+    end
+  end
+end