require 'spec_helper'

module Ci
  describe GitlabCiYamlProcessor, lib: true do
    let(:path) { 'path' }

    describe "#builds_for_ref" do
      let(:type) { 'test' }

      it "returns builds if no branch specified" do
        config = YAML.dump({
          before_script: ["pwd"],
          rspec: { script: "rspec" }
        })

        config_processor = GitlabCiYamlProcessor.new(config, path)

        expect(config_processor.builds_for_stage_and_ref(type, "master").size).to eq(1)
        expect(config_processor.builds_for_stage_and_ref(type, "master").first).to eq({
          stage: "test",
          stage_idx: 1,
          name: "rspec",
          commands: "pwd\nrspec",
          tag_list: [],
          options: {},
          allow_failure: false,
          when: "on_success",
          environment: nil,
          yaml_variables: []
        })
      end

      describe 'only' do
        it "does not return builds if only has another branch" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", only: ["deploy"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "master").size).to eq(0)
        end

        it "does not return builds if only has regexp with another branch" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", only: ["/^deploy$/"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "master").size).to eq(0)
        end

        it "returns builds if only has specified this branch" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", only: ["master"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "master").size).to eq(1)
        end

        it "returns builds if only has a list of branches including specified" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, only: ["master", "deploy"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(1)
        end

        it "returns builds if only has a branches keyword specified" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, only: ["branches"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(1)
        end

        it "does not return builds if only has a tags keyword" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, only: ["tags"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(0)
        end

        it "returns builds if only has a triggers keyword specified and a trigger is provided" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, only: ["triggers"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy", false, true).size).to eq(1)
        end

        it "does not return builds if only has a triggers keyword specified and no trigger is provided" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, only: ["triggers"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(0)
        end

        it "returns builds if only has current repository path" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, only: ["branches@path"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(1)
        end

        it "does not return builds if only has different repository path" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, only: ["branches@fork"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(0)
        end

        it "returns build only for specified type" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: "test", only: ["master", "deploy"] },
                               staging: { script: "deploy", type: "deploy", only: ["master", "deploy"] },
                               production: { script: "deploy", type: "deploy", only: ["master@path", "deploy"] },
                             })

          config_processor = GitlabCiYamlProcessor.new(config, 'fork')

          expect(config_processor.builds_for_stage_and_ref("deploy", "deploy").size).to eq(2)
          expect(config_processor.builds_for_stage_and_ref("test", "deploy").size).to eq(1)
          expect(config_processor.builds_for_stage_and_ref("deploy", "master").size).to eq(1)
        end

        context 'for invalid value' do
          let(:config) { { rspec: { script: "rspec", type: "test", only: only } } }
          let(:processor) { GitlabCiYamlProcessor.new(YAML.dump(config)) }

          shared_examples 'raises an error' do
            it do
              expect { processor }.to raise_error(GitlabCiYamlProcessor::ValidationError, 'jobs:rspec:only config should be an array of strings or regexps')
            end
          end

          context 'when it is integer' do
            let(:only) { 1 }

            it_behaves_like 'raises an error'
          end

          context 'when it is an array of integers' do
            let(:only) { [1, 1] }

            it_behaves_like 'raises an error'
          end

          context 'when it is invalid regex' do
            let(:only) { ["/*invalid/"] }

            it_behaves_like 'raises an error'
          end
        end
      end

      describe 'except' do
        it "returns builds if except has another branch" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", except: ["deploy"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "master").size).to eq(1)
        end

        it "returns builds if except has regexp with another branch" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", except: ["/^deploy$/"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "master").size).to eq(1)
        end

        it "does not return builds if except has specified this branch" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", except: ["master"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "master").size).to eq(0)
        end

        it "does not return builds if except has a list of branches including specified" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, except: ["master", "deploy"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(0)
        end

        it "does not return builds if except has a branches keyword specified" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, except: ["branches"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(0)
        end

        it "returns builds if except has a tags keyword" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, except: ["tags"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(1)
        end

        it "does not return builds if except has a triggers keyword specified and a trigger is provided" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, except: ["triggers"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy", false, true).size).to eq(0)
        end

        it "returns builds if except has a triggers keyword specified and no trigger is provided" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, except: ["triggers"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(1)
        end

        it "does not return builds if except has current repository path" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, except: ["branches@path"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(0)
        end

        it "returns builds if except has different repository path" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: type, except: ["branches@fork"] }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          expect(config_processor.builds_for_stage_and_ref(type, "deploy").size).to eq(1)
        end

        it "returns build except specified type" do
          config = YAML.dump({
                               before_script: ["pwd"],
                               rspec: { script: "rspec", type: "test", except: ["master", "deploy", "test@fork"] },
                               staging: { script: "deploy", type: "deploy", except: ["master"] },
                               production: { script: "deploy", type: "deploy", except: ["master@fork"] },
                             })

          config_processor = GitlabCiYamlProcessor.new(config, 'fork')

          expect(config_processor.builds_for_stage_and_ref("deploy", "deploy").size).to eq(2)
          expect(config_processor.builds_for_stage_and_ref("test", "test").size).to eq(0)
          expect(config_processor.builds_for_stage_and_ref("deploy", "master").size).to eq(0)
        end

        context 'for invalid value' do
          let(:config) { { rspec: { script: "rspec", except: except } } }
          let(:processor) { GitlabCiYamlProcessor.new(YAML.dump(config)) }

          shared_examples 'raises an error' do
            it do
              expect { processor }.to raise_error(GitlabCiYamlProcessor::ValidationError, 'jobs:rspec:except config should be an array of strings or regexps')
            end
          end

          context 'when it is integer' do
            let(:except) { 1 }

            it_behaves_like 'raises an error'
          end

          context 'when it is an array of integers' do
            let(:except) { [1, 1] }

            it_behaves_like 'raises an error'
          end

          context 'when it is invalid regex' do
            let(:except) { ["/*invalid/"] }

            it_behaves_like 'raises an error'
          end
        end
      end
    end

    describe "Scripts handling" do
      let(:config_data) { YAML.dump(config) }
      let(:config_processor) { GitlabCiYamlProcessor.new(config_data, path) }

      subject { config_processor.builds_for_stage_and_ref("test", "master").first }

      describe "before_script" do
        context "in global context" do
          let(:config) do
            {
              before_script: ["global script"],
              test: { script: ["script"] }
            }
          end

          it "return commands with scripts concencaced" do
            expect(subject[:commands]).to eq("global script\nscript")
          end
        end

        context "overwritten in local context" do
          let(:config) do
            {
              before_script: ["global script"],
              test: { before_script: ["local script"], script: ["script"] }
            }
          end

          it "return commands with scripts concencaced" do
            expect(subject[:commands]).to eq("local script\nscript")
          end
        end
      end

      describe "script" do
        let(:config) do
          {
            test: { script: ["script"] }
          }
        end

        it "return commands with scripts concencaced" do
          expect(subject[:commands]).to eq("script")
        end
      end

      describe "after_script" do
        context "in global context" do
          let(:config) do
            {
              after_script: ["after_script"],
              test: { script: ["script"] }
            }
          end

          it "return after_script in options" do
            expect(subject[:options][:after_script]).to eq(["after_script"])
          end
        end

        context "overwritten in local context" do
          let(:config) do
            {
              after_script: ["local after_script"],
              test: { after_script: ["local after_script"], script: ["script"] }
            }
          end

          it "return after_script in options" do
            expect(subject[:options][:after_script]).to eq(["local after_script"])
          end
        end
      end
    end

    describe "Image and service handling" do
      it "returns image and service when defined" do
        config = YAML.dump({
                             image: "ruby:2.1",
                             services: ["mysql"],
                             before_script: ["pwd"],
                             rspec: { script: "rspec" }
                           })

        config_processor = GitlabCiYamlProcessor.new(config, path)

        expect(config_processor.builds_for_stage_and_ref("test", "master").size).to eq(1)
        expect(config_processor.builds_for_stage_and_ref("test", "master").first).to eq({
          stage: "test",
          stage_idx: 1,
          name: "rspec",
          commands: "pwd\nrspec",
          tag_list: [],
          options: {
            image: "ruby:2.1",
            services: ["mysql"]
          },
          allow_failure: false,
          when: "on_success",
          environment: nil,
          yaml_variables: []
        })
      end

      it "returns image and service when overridden for job" do
        config = YAML.dump({
                             image:         "ruby:2.1",
                             services:      ["mysql"],
                             before_script: ["pwd"],
                             rspec:         { image: "ruby:2.5", services: ["postgresql"], script: "rspec" }
                           })

        config_processor = GitlabCiYamlProcessor.new(config, path)

        expect(config_processor.builds_for_stage_and_ref("test", "master").size).to eq(1)
        expect(config_processor.builds_for_stage_and_ref("test", "master").first).to eq({
          stage: "test",
          stage_idx: 1,
          name: "rspec",
          commands: "pwd\nrspec",
          tag_list: [],
          options: {
            image: "ruby:2.5",
            services: ["postgresql"]
          },
          allow_failure: false,
          when: "on_success",
          environment: nil,
          yaml_variables: []
        })
      end
    end

    describe 'Variables' do
      let(:config_processor) { GitlabCiYamlProcessor.new(YAML.dump(config), path) }

      subject { config_processor.builds.first[:yaml_variables] }

      context 'when global variables are defined' do
        let(:variables) do
          { VAR1: 'value1', VAR2: 'value2' }
        end
        let(:config) do
          {
            variables: variables,
            before_script: ['pwd'],
            rspec: { script: 'rspec' }
          }
        end

        it 'returns global variables' do
          expect(subject).to contain_exactly(
            { key: :VAR1, value: 'value1', public: true },
            { key: :VAR2, value: 'value2', public: true }
          )
        end
      end

      context 'when job and global variables are defined' do
        let(:global_variables) do
          { VAR1: 'global1', VAR3: 'global3' }
        end
        let(:job_variables) do
          { VAR1: 'value1', VAR2: 'value2' }
        end
        let(:config) do
          {
            before_script: ['pwd'],
            variables: global_variables,
            rspec: { script: 'rspec', variables: job_variables }
          }
        end

        it 'returns all unique variables' do
          expect(subject).to contain_exactly(
            { key: :VAR3, value: 'global3', public: true },
            { key: :VAR1, value: 'value1', public: true },
            { key: :VAR2, value: 'value2', public: true }
          )
        end
      end

      context 'when job variables are defined' do
        let(:config) do
          {
            before_script: ['pwd'],
            rspec: { script: 'rspec', variables: variables }
          }
        end

        context 'when syntax is correct' do
          let(:variables) do
            { VAR1: 'value1', VAR2: 'value2' }
          end

          it 'returns job variables' do
            expect(subject).to contain_exactly(
              { key: :VAR1, value: 'value1', public: true },
              { key: :VAR2, value: 'value2', public: true }
            )
          end
        end

        context 'when syntax is incorrect' do
          context 'when variables defined but invalid' do
            let(:variables) do
              [ :VAR1, 'value1', :VAR2, 'value2' ]
            end

            it 'raises error' do
              expect { subject }
                .to raise_error(GitlabCiYamlProcessor::ValidationError,
                                 /jobs:rspec:variables config should be a hash of key value pairs/)
            end
          end

          context 'when variables key defined but value not specified' do
            let(:variables) do
              nil
            end

            it 'returns empty array' do
              ##
              # When variables config is empty, we assume this is a valid
              # configuration, see issue #18775
              #
              expect(subject).to be_an_instance_of(Array)
              expect(subject).to be_empty
            end
          end
        end
      end

      context 'when job variables are not defined' do
        let(:config) do
          {
            before_script: ['pwd'],
            rspec: { script: 'rspec' }
          }
        end

        it 'returns empty array' do
          expect(subject).to be_an_instance_of(Array)
          expect(subject).to be_empty
        end
      end
    end

    describe "When" do
      %w(on_success on_failure always).each do |when_state|
        it "returns #{when_state} when defined" do
          config = YAML.dump({
                               rspec: { script: "rspec", when: when_state }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          builds = config_processor.builds_for_stage_and_ref("test", "master")
          expect(builds.size).to eq(1)
          expect(builds.first[:when]).to eq(when_state)
        end
      end
    end

    describe 'cache' do
      context 'when cache definition has unknown keys' do
        it 'raises relevant validation error' do
          config = YAML.dump(
            { cache: { untracked: true, invalid: 'key' },
              rspec: { script: 'rspec' } })

          expect { GitlabCiYamlProcessor.new(config) }.to raise_error(
            GitlabCiYamlProcessor::ValidationError,
            'cache config contains unknown keys: invalid'
          )
        end
      end

      it "returns cache when defined globally" do
        config = YAML.dump({
                             cache: { paths: ["logs/", "binaries/"], untracked: true, key: 'key' },
                             rspec: {
                               script: "rspec"
                             }
                           })

        config_processor = GitlabCiYamlProcessor.new(config)

        expect(config_processor.builds_for_stage_and_ref("test", "master").size).to eq(1)
        expect(config_processor.builds_for_stage_and_ref("test", "master").first[:options][:cache]).to eq(
          paths: ["logs/", "binaries/"],
          untracked: true,
          key: 'key',
        )
      end

      it "returns cache when defined in a job" do
        config = YAML.dump({
                             rspec: {
                               cache: { paths: ["logs/", "binaries/"], untracked: true, key: 'key' },
                               script: "rspec"
                             }
                           })

        config_processor = GitlabCiYamlProcessor.new(config)

        expect(config_processor.builds_for_stage_and_ref("test", "master").size).to eq(1)
        expect(config_processor.builds_for_stage_and_ref("test", "master").first[:options][:cache]).to eq(
          paths: ["logs/", "binaries/"],
          untracked: true,
          key: 'key',
        )
      end

      it "overwrite cache when defined for a job and globally" do
        config = YAML.dump({
                             cache: { paths: ["logs/", "binaries/"], untracked: true, key: 'global' },
                             rspec: {
                               script: "rspec",
                               cache: { paths: ["test/"], untracked: false, key: 'local' },
                             }
                           })

        config_processor = GitlabCiYamlProcessor.new(config)

        expect(config_processor.builds_for_stage_and_ref("test", "master").size).to eq(1)
        expect(config_processor.builds_for_stage_and_ref("test", "master").first[:options][:cache]).to eq(
          paths: ["test/"],
          untracked: false,
          key: 'local',
        )
      end
    end

    describe "Artifacts" do
      it "returns artifacts when defined" do
        config = YAML.dump({
                             image:         "ruby:2.1",
                             services:      ["mysql"],
                             before_script: ["pwd"],
                             rspec:         {
                               artifacts: {
                                 paths: ["logs/", "binaries/"],
                                 untracked: true,
                                 name: "custom_name",
                                 expire_in: "7d"
                               },
                               script: "rspec"
                             }
                           })

        config_processor = GitlabCiYamlProcessor.new(config)

        expect(config_processor.builds_for_stage_and_ref("test", "master").size).to eq(1)
        expect(config_processor.builds_for_stage_and_ref("test", "master").first).to eq({
          stage: "test",
          stage_idx: 1,
          name: "rspec",
          commands: "pwd\nrspec",
          tag_list: [],
          options: {
            image: "ruby:2.1",
            services: ["mysql"],
            artifacts: {
              name: "custom_name",
              paths: ["logs/", "binaries/"],
              untracked: true,
              expire_in: "7d"
            }
          },
          when: "on_success",
          allow_failure: false,
          environment: nil,
          yaml_variables: []
        })
      end

      %w[on_success on_failure always].each do |when_state|
        it "returns artifacts for when #{when_state}  defined" do
          config = YAML.dump({
                               rspec: {
                                 script: "rspec",
                                 artifacts: { paths: ["logs/", "binaries/"], when: when_state }
                               }
                             })

          config_processor = GitlabCiYamlProcessor.new(config, path)

          builds = config_processor.builds_for_stage_and_ref("test", "master")
          expect(builds.size).to eq(1)
          expect(builds.first[:options][:artifacts][:when]).to eq(when_state)
        end
      end
    end

    describe '#environment' do
      let(:config) do
        {
          deploy_to_production: { stage: 'deploy', script: 'test', environment: environment }
        }
      end

      let(:processor) { GitlabCiYamlProcessor.new(YAML.dump(config)) }
      let(:builds) { processor.builds_for_stage_and_ref('deploy', 'master') }

      context 'when a production environment is specified' do
        let(:environment) { 'production' }

        it 'does return production' do
          expect(builds.size).to eq(1)
          expect(builds.first[:environment]).to eq(environment)
          expect(builds.first[:options]).to include(environment: { name: environment, action: "start" })
        end
      end

      context 'when hash is specified' do
        let(:environment) do
          { name: 'production',
            url: 'http://production.gitlab.com' }
        end

        it 'does return production and URL' do
          expect(builds.size).to eq(1)
          expect(builds.first[:environment]).to eq(environment[:name])
          expect(builds.first[:options]).to include(environment: environment)
        end
      end

      context 'when no environment is specified' do
        let(:environment) { nil }

        it 'does return nil environment' do
          expect(builds.size).to eq(1)
          expect(builds.first[:environment]).to be_nil
        end
      end

      context 'is not a string' do
        let(:environment) { 1 }

        it 'raises error' do
          expect { builds }.to raise_error(
            'jobs:deploy_to_production:environment config should be a hash or a string')
        end
      end

      context 'is not a valid string' do
        let(:environment) { 'production:staging' }

        it 'raises error' do
          expect { builds }.to raise_error("jobs:deploy_to_production:environment name #{Gitlab::Regex.environment_name_regex_message}")
        end
      end

      context 'when on_stop is specified' do
        let(:review) { { stage: 'deploy', script: 'test', environment: { name: 'review', on_stop: 'close_review' } } }
        let(:config) { { review: review, close_review: close_review }.compact }

        context 'with matching job' do
          let(:close_review) { { stage: 'deploy', script: 'test', environment: { name: 'review', action: 'stop' } } }

          it 'does return a list of builds' do
            expect(builds.size).to eq(2)
            expect(builds.first[:environment]).to eq('review')
          end
        end

        context 'without matching job' do
          let(:close_review) { nil  }

          it 'raises error' do
            expect { builds }.to raise_error('review job: on_stop job close_review is not defined')
          end
        end

        context 'with close job without environment' do
          let(:close_review) { { stage: 'deploy', script: 'test' } }

          it 'raises error' do
            expect { builds }.to raise_error('review job: on_stop job close_review does not have environment defined')
          end
        end

        context 'with close job for different environment' do
          let(:close_review) { { stage: 'deploy', script: 'test', environment: 'production' } }

          it 'raises error' do
            expect { builds }.to raise_error('review job: on_stop job close_review have different environment name')
          end
        end

        context 'with close job without stop action' do
          let(:close_review) { { stage: 'deploy', script: 'test', environment: { name: 'review' } } }

          it 'raises error' do
            expect { builds }.to raise_error('review job: on_stop job close_review needs to have action stop defined')
          end
        end
      end
    end

    describe "Dependencies" do
      let(:config) do
        {
          build1: { stage: 'build', script: 'test' },
          build2: { stage: 'build', script: 'test' },
          test1: { stage: 'test', script: 'test', dependencies: dependencies },
          test2: { stage: 'test', script: 'test' },
          deploy: { stage: 'test', script: 'test' }
        }
      end

      subject { GitlabCiYamlProcessor.new(YAML.dump(config)) }

      context 'no dependencies' do
        let(:dependencies) { }

        it { expect { subject }.not_to raise_error }
      end

      context 'dependencies to builds' do
        let(:dependencies) { ['build1', 'build2'] }

        it { expect { subject }.not_to raise_error }
      end

      context 'dependencies to builds defined as symbols' do
        let(:dependencies) { [:build1, :build2] }

        it { expect { subject }.not_to raise_error }
      end

      context 'undefined dependency' do
        let(:dependencies) { ['undefined'] }

        it { expect { subject }.to raise_error(GitlabCiYamlProcessor::ValidationError, 'test1 job: undefined dependency: undefined') }
      end

      context 'dependencies to deploy' do
        let(:dependencies) { ['deploy'] }

        it { expect { subject }.to raise_error(GitlabCiYamlProcessor::ValidationError, 'test1 job: dependency deploy is not defined in prior stages') }
      end
    end

    describe "Hidden jobs" do
      let(:config_processor) { GitlabCiYamlProcessor.new(config) }
      subject { config_processor.builds_for_stage_and_ref("test", "master") }

      shared_examples 'hidden_job_handling' do
        it "doesn't create jobs that start with dot" do
          expect(subject.size).to eq(1)
          expect(subject.first).to eq({
            stage: "test",
            stage_idx: 1,
            name: "normal_job",
            commands: "test",
            tag_list: [],
            options: {},
            when: "on_success",
            allow_failure: false,
            environment: nil,
            yaml_variables: []
          })
        end
      end

      context 'when hidden job have a script definition' do
        let(:config) do
          YAML.dump({
                      '.hidden_job' => { image: 'ruby:2.1', script: 'test' },
                      'normal_job' => { script: 'test' }
                    })
        end

        it_behaves_like 'hidden_job_handling'
      end

      context "when hidden job doesn't have a script definition" do
        let(:config) do
          YAML.dump({
                      '.hidden_job' => { image: 'ruby:2.1' },
                      'normal_job' => { script: 'test' }
                    })
        end

        it_behaves_like 'hidden_job_handling'
      end
    end

    describe "YAML Alias/Anchor" do
      let(:config_processor) { GitlabCiYamlProcessor.new(config) }
      subject { config_processor.builds_for_stage_and_ref("build", "master") }

      shared_examples 'job_templates_handling' do
        it "is correctly supported for jobs" do
          expect(subject.size).to eq(2)
          expect(subject.first).to eq({
            stage: "build",
            stage_idx: 0,
            name: "job1",
            commands: "execute-script-for-job",
            tag_list: [],
            options: {},
            when: "on_success",
            allow_failure: false,
            environment: nil,
            yaml_variables: []
          })
          expect(subject.second).to eq({
            stage: "build",
            stage_idx: 0,
            name: "job2",
            commands: "execute-script-for-job",
            tag_list: [],
            options: {},
            when: "on_success",
            allow_failure: false,
            environment: nil,
            yaml_variables: []
          })
        end
      end

      context 'when template is a job' do
        let(:config) do
          <<EOT
job1: &JOBTMPL
  stage: build
  script: execute-script-for-job

job2: *JOBTMPL
EOT
        end

        it_behaves_like 'job_templates_handling'
      end

      context 'when template is a hidden job' do
        let(:config) do
          <<EOT
.template: &JOBTMPL
  stage: build
  script: execute-script-for-job

job1: *JOBTMPL

job2: *JOBTMPL
EOT
        end

        it_behaves_like 'job_templates_handling'
      end

      context 'when job adds its own keys to a template definition' do
        let(:config) do
          <<EOT
.template: &JOBTMPL
  stage: build

job1:
  <<: *JOBTMPL
  script: execute-script-for-job

job2:
  <<: *JOBTMPL
  script: execute-script-for-job
EOT
        end

        it_behaves_like 'job_templates_handling'
      end
    end

    describe "Error handling" do
      it "fails to parse YAML" do
        expect{GitlabCiYamlProcessor.new("invalid: yaml: test")}.to raise_error(Psych::SyntaxError)
      end

      it "indicates that object is invalid" do
        expect{GitlabCiYamlProcessor.new("invalid_yaml")}.to raise_error(GitlabCiYamlProcessor::ValidationError)
      end

      it "returns errors if tags parameter is invalid" do
        config = YAML.dump({ rspec: { script: "test", tags: "mysql" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec tags should be an array of strings")
      end

      it "returns errors if before_script parameter is invalid" do
        config = YAML.dump({ before_script: "bundle update", rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "before_script config should be an array of strings")
      end

      it "returns errors if job before_script parameter is not an array of strings" do
        config = YAML.dump({ rspec: { script: "test", before_script: [10, "test"] } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:before_script config should be an array of strings")
      end

      it "returns errors if after_script parameter is invalid" do
        config = YAML.dump({ after_script: "bundle update", rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "after_script config should be an array of strings")
      end

      it "returns errors if job after_script parameter is not an array of strings" do
        config = YAML.dump({ rspec: { script: "test", after_script: [10, "test"] } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:after_script config should be an array of strings")
      end

      it "returns errors if image parameter is invalid" do
        config = YAML.dump({ image: ["test"], rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "image config should be a string")
      end

      it "returns errors if job name is blank" do
        config = YAML.dump({ '' => { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:job name can't be blank")
      end

      it "returns errors if job name is non-string" do
        config = YAML.dump({ 10 => { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:10 name should be a symbol")
      end

      it "returns errors if job image parameter is invalid" do
        config = YAML.dump({ rspec: { script: "test", image: ["test"] } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:image config should be a string")
      end

      it "returns errors if services parameter is not an array" do
        config = YAML.dump({ services: "test", rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "services config should be an array of strings")
      end

      it "returns errors if services parameter is not an array of strings" do
        config = YAML.dump({ services: [10, "test"], rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "services config should be an array of strings")
      end

      it "returns errors if job services parameter is not an array" do
        config = YAML.dump({ rspec: { script: "test", services: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:services config should be an array of strings")
      end

      it "returns errors if job services parameter is not an array of strings" do
        config = YAML.dump({ rspec: { script: "test", services: [10, "test"] } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:services config should be an array of strings")
      end

      it "returns error if job configuration is invalid" do
        config = YAML.dump({ extra: "bundle update" })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:extra config should be a hash")
      end

      it "returns errors if there are unknown parameters that are hashes, but doesn't have a script" do
        config = YAML.dump({ extra: { services: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:extra:services config should be an array of strings")
      end

      it "returns errors if there are no jobs defined" do
        config = YAML.dump({ before_script: ["bundle update"] })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs config should contain at least one visible job")
      end

      it "returns errors if there are no visible jobs defined" do
        config = YAML.dump({ before_script: ["bundle update"], '.hidden'.to_sym => { script: 'ls' } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs config should contain at least one visible job")
      end

      it "returns errors if job allow_failure parameter is not an boolean" do
        config = YAML.dump({ rspec: { script: "test", allow_failure: "string" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec allow failure should be a boolean value")
      end

      it "returns errors if job stage is not a string" do
        config = YAML.dump({ rspec: { script: "test", type: 1 } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:type config should be a string")
      end

      it "returns errors if job stage is not a pre-defined stage" do
        config = YAML.dump({ rspec: { script: "test", type: "acceptance" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "rspec job: stage parameter should be build, test, deploy")
      end

      it "returns errors if job stage is not a defined stage" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", type: "acceptance" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "rspec job: stage parameter should be build, test")
      end

      it "returns errors if stages is not an array" do
        config = YAML.dump({ stages: "test", rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "stages config should be an array of strings")
      end

      it "returns errors if stages is not an array of strings" do
        config = YAML.dump({ stages: [true, "test"], rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "stages config should be an array of strings")
      end

      it "returns errors if variables is not a map" do
        config = YAML.dump({ variables: "test", rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "variables config should be a hash of key value pairs")
      end

      it "returns errors if variables is not a map of key-value strings" do
        config = YAML.dump({ variables: { test: false }, rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "variables config should be a hash of key value pairs")
      end

      it "returns errors if job when is not on_success, on_failure or always" do
        config = YAML.dump({ rspec: { script: "test", when: 1 } })
        expect do
          GitlabCiYamlProcessor.new(config, path)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec when should be on_success, on_failure, always or manual")
      end

      it "returns errors if job artifacts:name is not an a string" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { name: 1 } } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts name should be a string")
      end

      it "returns errors if job artifacts:when is not an a predefined value" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { when: 1 } } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts when should be on_success, on_failure or always")
      end

      it "returns errors if job artifacts:expire_in is not an a string" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { expire_in: 1 } } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts expire in should be a duration")
      end

      it "returns errors if job artifacts:expire_in is not an a valid duration" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { expire_in: "7 elephants" } } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts expire in should be a duration")
      end

      it "returns errors if job artifacts:untracked is not an array of strings" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { untracked: "string" } } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts untracked should be a boolean value")
      end

      it "returns errors if job artifacts:paths is not an array of strings" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { paths: "string" } } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts paths should be an array of strings")
      end

      it "returns errors if cache:untracked is not an array of strings" do
        config = YAML.dump({ cache: { untracked: "string" }, rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "cache:untracked config should be a boolean value")
      end

      it "returns errors if cache:paths is not an array of strings" do
        config = YAML.dump({ cache: { paths: "string" }, rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "cache:paths config should be an array of strings")
      end

      it "returns errors if cache:key is not a string" do
        config = YAML.dump({ cache: { key: 1 }, rspec: { script: "test" } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "cache:key config should be a string or symbol")
      end

      it "returns errors if job cache:key is not an a string" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", cache: { key: 1 } } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:cache:key config should be a string or symbol")
      end

      it "returns errors if job cache:untracked is not an array of strings" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", cache: { untracked: "string" } } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:cache:untracked config should be a boolean value")
      end

      it "returns errors if job cache:paths is not an array of strings" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", cache: { paths: "string" } } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:cache:paths config should be an array of strings")
      end

      it "returns errors if job dependencies is not an array of strings" do
        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", dependencies: "string" } })
        expect do
          GitlabCiYamlProcessor.new(config)
        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec dependencies should be an array of strings")
      end
    end

    describe "Validate configuration templates" do
      templates = Dir.glob("#{Rails.root.join('vendor/gitlab-ci-yml')}/**/*.gitlab-ci.yml")

      templates.each do |file|
        it "does not return errors for #{file}" do
          file = File.read(file)

          expect { GitlabCiYamlProcessor.new(file) }.not_to raise_error
        end
      end
    end

    describe "#validation_message" do
      context "when the YAML could not be parsed" do
        it "returns an error about invalid configutaion" do
          content = YAML.dump("invalid: yaml: test")

          expect(GitlabCiYamlProcessor.validation_message(content))
            .to eq "Invalid configuration format"
        end
      end

      context "when the tags parameter is invalid" do
        it "returns an error about invalid tags" do
          content = YAML.dump({ rspec: { script: "test", tags: "mysql" } })

          expect(GitlabCiYamlProcessor.validation_message(content))
            .to eq "jobs:rspec tags should be an array of strings"
        end
      end

      context "when YAML content is empty" do
        it "returns an error about missing content" do
          expect(GitlabCiYamlProcessor.validation_message(''))
            .to eq "Please provide content of .gitlab-ci.yml"
        end
      end

      context "when the YAML is valid" do
        it "does not return any errors" do
          content = File.read(Rails.root.join('spec/support/gitlab_stubs/gitlab_ci.yml'))

          expect(GitlabCiYamlProcessor.validation_message(content)).to be_nil
        end
      end
    end
  end
end
