yaml_processor_spec.rb 60.9 KB
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# frozen_string_literal: true

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require 'spec_helper'

module Gitlab
  module Ci
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    describe YamlProcessor do
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      include StubRequests

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      subject { described_class.new(config, user: nil) }
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      describe '#build_attributes' do
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        subject { described_class.new(config, user: nil).build_attributes(:rspec) }
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        describe 'attributes list' do
          let(:config) do
            YAML.dump(
              before_script: ['pwd'],
              rspec: { script: 'rspec' }
            )
          end

          it 'returns valid build attributes' do
            expect(subject).to eq({
              stage: "test",
              stage_idx: 1,
              name: "rspec",
              options: {
                before_script: ["pwd"],
                script: ["rspec"]
              },
              allow_failure: false,
              when: "on_success",
              yaml_variables: []
            })
          end
        end

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        describe 'coverage entry' do
          describe 'code coverage regexp' do
            let(:config) do
              YAML.dump(rspec: { script: 'rspec',
                                 coverage: '/Code coverage: \d+\.\d+/' })
            end

            it 'includes coverage regexp in build attributes' do
              expect(subject)
                .to include(coverage_regex: 'Code coverage: \d+\.\d+')
            end
          end
        end

        describe 'retry entry' do
          context 'when retry count is specified' do
            let(:config) do
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              YAML.dump(rspec: { script: 'rspec', retry: { max: 1 } })
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            end

            it 'includes retry count in build options attribute' do
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              expect(subject[:options]).to include(retry: { max: 1 })
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            end
          end

          context 'when retry count is not specified' do
            let(:config) do
              YAML.dump(rspec: { script: 'rspec' })
            end

            it 'does not persist retry count in the database' do
              expect(subject[:options]).not_to have_key(:retry)
            end
          end
        end

        describe 'allow failure entry' do
          context 'when job is a manual action' do
            context 'when allow_failure is defined' do
              let(:config) do
                YAML.dump(rspec: { script: 'rspec',
                                   when: 'manual',
                                   allow_failure: false })
              end

              it 'is not allowed to fail' do
                expect(subject[:allow_failure]).to be false
              end
            end

            context 'when allow_failure is not defined' do
              let(:config) do
                YAML.dump(rspec: { script: 'rspec',
                                   when: 'manual' })
              end

              it 'is allowed to fail' do
                expect(subject[:allow_failure]).to be true
              end
            end
          end

          context 'when job is not a manual action' do
            context 'when allow_failure is defined' do
              let(:config) do
                YAML.dump(rspec: { script: 'rspec',
                                   allow_failure: false })
              end

              it 'is not allowed to fail' do
                expect(subject[:allow_failure]).to be false
              end
            end

            context 'when allow_failure is not defined' do
              let(:config) do
                YAML.dump(rspec: { script: 'rspec' })
              end

              it 'is not allowed to fail' do
                expect(subject[:allow_failure]).to be false
              end
            end
          end
        end
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        describe 'delayed job entry' do
          context 'when delayed is defined' do
            let(:config) do
              YAML.dump(rspec: { script: 'rollout 10%',
                                 when: 'delayed',
                                 start_in: '1 day' })
            end

            it 'has the attributes' do
              expect(subject[:when]).to eq 'delayed'
              expect(subject[:options][:start_in]).to eq '1 day'
            end
          end
        end
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      end

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      describe '#stages_attributes' do
        let(:config) do
          YAML.dump(
            rspec: { script: 'rspec', stage: 'test', only: ['branches'] },
            prod: { script: 'cap prod', stage: 'deploy', only: ['tags'] }
          )
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        end

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        let(:attributes) do
          [{ name: "build",
             index: 0,
             builds: [] },
           { name: "test",
             index: 1,
             builds:
               [{ stage_idx: 1,
                  stage: "test",
                  name: "rspec",
                  allow_failure: false,
                  when: "on_success",
                  yaml_variables: [],
                  options: { script: ["rspec"] },
                  only: { refs: ["branches"] },
                  except: {} }] },
           { name: "deploy",
             index: 2,
             builds:
               [{ stage_idx: 2,
                  stage: "deploy",
                  name: "prod",
                  allow_failure: false,
                  when: "on_success",
                  yaml_variables: [],
                  options: { script: ["cap prod"] },
                  only: { refs: ["tags"] },
                  except: {} }] }]
        end

        it 'returns stages seed attributes' do
          expect(subject.stages_attributes).to eq attributes
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        end
      end

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      describe 'only / except policies validations' do
        context 'when `only` has an invalid value' do
          let(:config) { { rspec: { script: "rspec", type: "test", only: only } } }
          let(:processor) { Gitlab::Ci::YamlProcessor.new(YAML.dump(config)) }
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          context 'when it is integer' do
            let(:only) { 1 }
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            it do
              expect { processor }.to raise_error(Gitlab::Ci::YamlProcessor::ValidationError,
                                                  'jobs:rspec:only has to be either an array of conditions or a hash')
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            end
          end

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          context 'when it is an array of integers' do
            let(:only) { [1, 1] }
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            it do
              expect { processor }.to raise_error(Gitlab::Ci::YamlProcessor::ValidationError,
                                                  'jobs:rspec:only config should be an array of strings or regexps')
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            end
          end

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          context 'when it is invalid regex' do
            let(:only) { ["/*invalid/"] }
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            it do
              expect { processor }.to raise_error(Gitlab::Ci::YamlProcessor::ValidationError,
                                                  'jobs:rspec:only config should be an array of strings or regexps')
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            end
          end
        end

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        context 'when `except` has an invalid value' do
          let(:config) { { rspec: { script: "rspec", except: except } } }
          let(:processor) { Gitlab::Ci::YamlProcessor.new(YAML.dump(config)) }
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          context 'when it is integer' do
            let(:except) { 1 }
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            it do
              expect { processor }.to raise_error(Gitlab::Ci::YamlProcessor::ValidationError,
                                                  'jobs:rspec:except has to be either an array of conditions or a hash')
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            end
          end

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          context 'when it is an array of integers' do
            let(:except) { [1, 1] }
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            it do
              expect { processor }.to raise_error(Gitlab::Ci::YamlProcessor::ValidationError,
                                                  'jobs:rspec:except config should be an array of strings or regexps')
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            end
          end

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          context 'when it is invalid regex' do
            let(:except) { ["/*invalid/"] }
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            it do
              expect { processor }.to raise_error(Gitlab::Ci::YamlProcessor::ValidationError,
                                                  'jobs:rspec:except config should be an array of strings or regexps')
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            end
          end
        end
      end

      describe "Scripts handling" do
        let(:config_data) { YAML.dump(config) }
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        let(:config_processor) { Gitlab::Ci::YamlProcessor.new(config_data) }
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        subject { config_processor.stage_builds_attributes('test').first }
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        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
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              expect(subject[:options][:before_script]).to eq(["global script"])
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            end
          end

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

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

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          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
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              expect(subject[:options][:before_script]).to eq(["local script"])
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            end
          end
        end

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

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

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          context "in default 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

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          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
        context "when extended docker configuration is used" do
          it "returns image and service when defined" do
            config = YAML.dump({ image: { name: "ruby:2.1", entrypoint: ["/usr/local/bin/init", "run"] },
                                 services: ["mysql", { name: "docker:dind", alias: "docker",
                                                       entrypoint: ["/usr/local/bin/init", "run"],
                                                       command: ["/usr/local/bin/init", "run"] }],
                                 before_script: ["pwd"],
                                 rspec: { script: "rspec" } })

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            config_processor = Gitlab::Ci::YamlProcessor.new(config)
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            expect(config_processor.stage_builds_attributes("test").size).to eq(1)
            expect(config_processor.stage_builds_attributes("test").first).to eq({
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              stage: "test",
              stage_idx: 1,
              name: "rspec",
              options: {
                before_script: ["pwd"],
                script: ["rspec"],
                image: { name: "ruby:2.1", entrypoint: ["/usr/local/bin/init", "run"] },
                services: [{ name: "mysql" },
                           { name: "docker:dind", alias: "docker", entrypoint: ["/usr/local/bin/init", "run"],
                             command: ["/usr/local/bin/init", "run"] }]
              },
              allow_failure: false,
              when: "on_success",
              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: { name: "ruby:2.5", entrypoint: ["/usr/local/bin/init", "run"] },
                                          services: [{ name: "postgresql", alias: "db-pg",
                                                       entrypoint: ["/usr/local/bin/init", "run"],
                                                       command: ["/usr/local/bin/init", "run"] }, "docker:dind"],
                                          script: "rspec" } })

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            config_processor = Gitlab::Ci::YamlProcessor.new(config)
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            expect(config_processor.stage_builds_attributes("test").size).to eq(1)
            expect(config_processor.stage_builds_attributes("test").first).to eq({
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              stage: "test",
              stage_idx: 1,
              name: "rspec",
              options: {
                before_script: ["pwd"],
                script: ["rspec"],
                image: { name: "ruby:2.5", entrypoint: ["/usr/local/bin/init", "run"] },
                services: [{ name: "postgresql", alias: "db-pg", entrypoint: ["/usr/local/bin/init", "run"],
                             command: ["/usr/local/bin/init", "run"] },
                           { name: "docker:dind" }]
              },
              allow_failure: false,
              when: "on_success",
              yaml_variables: []
            })
          end
        end

        context "when etended docker configuration is not used" do
          it "returns image and service when defined" do
            config = YAML.dump({ image: "ruby:2.1",
                                 services: ["mysql", "docker:dind"],
                                 before_script: ["pwd"],
                                 rspec: { script: "rspec" } })

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            config_processor = Gitlab::Ci::YamlProcessor.new(config)
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            expect(config_processor.stage_builds_attributes("test").size).to eq(1)
            expect(config_processor.stage_builds_attributes("test").first).to eq({
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              stage: "test",
              stage_idx: 1,
              name: "rspec",
              options: {
                before_script: ["pwd"],
                script: ["rspec"],
                image: { name: "ruby:2.1" },
                services: [{ name: "mysql" }, { name: "docker:dind" }]
              },
              allow_failure: false,
              when: "on_success",
              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", "docker:dind"], script: "rspec" } })

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            config_processor = Gitlab::Ci::YamlProcessor.new(config)
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            expect(config_processor.stage_builds_attributes("test").size).to eq(1)
            expect(config_processor.stage_builds_attributes("test").first).to eq({
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              stage: "test",
              stage_idx: 1,
              name: "rspec",
              options: {
                before_script: ["pwd"],
                script: ["rspec"],
                image: { name: "ruby:2.5" },
                services: [{ name: "postgresql" }, { name: "docker:dind" }]
              },
              allow_failure: false,
              when: "on_success",
              yaml_variables: []
            })
          end
        end
      end

      describe 'Variables' do
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        let(:config_processor) { Gitlab::Ci::YamlProcessor.new(YAML.dump(config)) }
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        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
                %w(VAR1 value1 VAR2 value2)
              end

              it 'raises error' do
                expect { subject }
                  .to raise_error(Gitlab::Ci::YamlProcessor::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

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      context 'when using `extends`' do
        let(:config_processor) { Gitlab::Ci::YamlProcessor.new(config) }

        subject { config_processor.builds.first }

        context 'when using simple `extends`' do
          let(:config) do
            <<~YAML
              .template:
                script: test

              rspec:
                extends: .template
                image: ruby:alpine
            YAML
          end

          it 'correctly extends rspec job' do
            expect(config_processor.builds).to be_one
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            expect(subject.dig(:options, :script)).to eq %w(test)
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            expect(subject.dig(:options, :image, :name)).to eq 'ruby:alpine'
          end
        end

        context 'when using recursive `extends`' do
          let(:config) do
            <<~YAML
              rspec:
                extends: .test
                script: rspec
                when: always

              .template:
                before_script:
                  - bundle install

              .test:
                extends: .template
                script: test
                image: image:test
            YAML
          end

          it 'correctly extends rspec job' do
            expect(config_processor.builds).to be_one
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            expect(subject.dig(:options, :before_script)).to eq ["bundle install"]
            expect(subject.dig(:options, :script)).to eq %w(rspec)
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            expect(subject.dig(:options, :image, :name)).to eq 'image:test'
            expect(subject.dig(:when)).to eq 'always'
          end
        end
      end

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      describe "Include" do
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        let(:opts) { {} }

        let(:config) do
          {
            include: include_content,
            rspec: { script: "test" }
          }
        end

        subject { Gitlab::Ci::YamlProcessor.new(YAML.dump(config), opts) }

        context "when validating a ci config file with no project context" do
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          context "when a single string is provided" do
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            let(:include_content) { "/local.gitlab-ci.yml" }

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            it "returns a validation error" do
              expect { subject }.to raise_error /does not have project/
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            end
          end

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          context "when an array is provided" do
            let(:include_content) { ["/local.gitlab-ci.yml"] }

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            it "returns a validation error" do
              expect { subject }.to raise_error(Gitlab::Ci::YamlProcessor::ValidationError, /does not have project/)
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            end
          end

          context "when an array of wrong keyed object is provided" do
            let(:include_content) { [{ yolo: "/local.gitlab-ci.yml" }] }

            it "returns a validation error" do
              expect { subject }.to raise_error(Gitlab::Ci::YamlProcessor::ValidationError)
            end
          end

          context "when an array of mixed typed objects is provided" do
            let(:include_content) do
              [
                'https://gitlab.com/awesome-project/raw/master/.before-script-template.yml',
                { template: 'Auto-DevOps.gitlab-ci.yml' }
              ]
            end

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            before do
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              stub_full_request('https://gitlab.com/awesome-project/raw/master/.before-script-template.yml')
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                .to_return(
                  status: 200,
                  headers: { 'Content-Type' => 'application/json' },
                  body: 'prepare: { script: ls -al }')
            end

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            it "does not return any error" do
              expect { subject }.not_to raise_error
            end
          end

          context "when the include type is incorrect" do
            let(:include_content) { { name: "/local.gitlab-ci.yml" } }

            it "returns an invalid configuration error" do
              expect { subject }.to raise_error(Gitlab::Ci::YamlProcessor::ValidationError)
            end
          end
        end

        context "when validating a ci config file within a project" do
          let(:include_content) { "/local.gitlab-ci.yml" }
          let(:project) { create(:project, :repository) }
          let(:opts) { { project: project, sha: project.commit.sha } }

          context "when the included internal file is present" do
            before do
              expect(project.repository).to receive(:blob_data_at)
                .and_return(YAML.dump({ job1: { script: 'hello' } }))
            end

            it "does not return an error" do
              expect { subject }.not_to raise_error
            end
          end

          context "when the included internal file is not present" do
            it "returns an error with missing file details" do
              expect { subject }.to raise_error(
                Gitlab::Ci::YamlProcessor::ValidationError,
                "Local file `#{include_content}` does not exist!"
              )
            end
          end
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        end
      end

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      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 }
                               })

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            config_processor = Gitlab::Ci::YamlProcessor.new(config)
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            builds = config_processor.stage_builds_attributes("test")
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            expect(builds.size).to eq(1)
            expect(builds.first[:when]).to eq(when_state)
          end
        end
      end

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      describe 'Parallel' do
        context 'when job is parallelized' do
          let(:parallel) { 5 }

          let(:config) do
            YAML.dump(rspec: { script: 'rspec',
                               parallel: parallel })
          end

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          it 'returns parallelized jobs' do
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            config_processor = Gitlab::Ci::YamlProcessor.new(config)
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            builds = config_processor.stage_builds_attributes('test')
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            build_options = builds.map { |build| build[:options] }
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            expect(builds.size).to eq(5)
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            expect(build_options).to all(include(:instance, parallel: parallel))
          end

          it 'does not have the original job' do
            config_processor = Gitlab::Ci::YamlProcessor.new(config)
            builds = config_processor.stage_builds_attributes('test')

            expect(builds).not_to include(:rspec)
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          end
        end
      end

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      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 { Gitlab::Ci::YamlProcessor.new(config) }.to raise_error(
              Gitlab::Ci::YamlProcessor::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 = Gitlab::Ci::YamlProcessor.new(config)

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          expect(config_processor.stage_builds_attributes("test").size).to eq(1)
          expect(config_processor.stage_builds_attributes("test").first[:options][:cache]).to eq(
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            paths: ["logs/", "binaries/"],
            untracked: true,
            key: 'key',
            policy: 'pull-push'
          )
        end

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

          config_processor = Gitlab::Ci::YamlProcessor.new(config)

          expect(config_processor.stage_builds_attributes("test").size).to eq(1)
          expect(config_processor.stage_builds_attributes("test").first[:options][:cache]).to eq(
            paths: ["logs/", "binaries/"],
            untracked: true,
            key: 'key',
            policy: 'pull-push'
          )
        end

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        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 = Gitlab::Ci::YamlProcessor.new(config)

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          expect(config_processor.stage_builds_attributes("test").size).to eq(1)
          expect(config_processor.stage_builds_attributes("test").first[:options][:cache]).to eq(
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            paths: ["logs/", "binaries/"],
            untracked: true,
            key: 'key',
            policy: 'pull-push'
          )
        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 = Gitlab::Ci::YamlProcessor.new(config)

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          expect(config_processor.stage_builds_attributes("test").size).to eq(1)
          expect(config_processor.stage_builds_attributes("test").first[:options][:cache]).to eq(
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            paths: ["test/"],
            untracked: false,
            key: 'local',
            policy: 'pull-push'
          )
        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 = Gitlab::Ci::YamlProcessor.new(config)

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          expect(config_processor.stage_builds_attributes("test").size).to eq(1)
          expect(config_processor.stage_builds_attributes("test").first).to eq({
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            stage: "test",
            stage_idx: 1,
            name: "rspec",
            options: {
              before_script: ["pwd"],
              script: ["rspec"],
              image: { name: "ruby:2.1" },
              services: [{ name: "mysql" }],
              artifacts: {
                name: "custom_name",
                paths: ["logs/", "binaries/"],
                untracked: true,
                expire_in: "7d"
              }
            },
            when: "on_success",
            allow_failure: false,
            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 }
                                 }
                               })

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            builds = config_processor.stage_builds_attributes("test")
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            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) { Gitlab::Ci::YamlProcessor.new(YAML.dump(config)) }
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        let(:builds) { processor.stage_builds_attributes('deploy') }
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        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

          context 'the url has a port as variable' do
            let(:environment) do
              { name: 'production',
                url: 'http://production.gitlab.com:$PORT' }
            end

            it 'allows a variable for the port' 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
        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' } } }
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