Improve external architecture

CE mirror of 4f17c7b2c30188302e6a73421acbf5a09fb2c823

app/models/blob_viewer/gitlab_ci_yml.rb

@@ -10,16 +10,16 @@ module BlobViewer
     self.file_types = %i(gitlab_ci)
     self.binary = false
 
-    def validation_message
+    def validation_message(project, ref)
       return @validation_message if defined?(@validation_message)
 
       prepare!
 
-      @validation_message = Gitlab::Ci::YamlProcessor.validation_message(blob.data, project)
+      @validation_message = Gitlab::Ci::YamlProcessor.validation_message(blob.data, { project: project, branch_name: ref })
     end
 
-    def valid?
-      validation_message.blank?
+    def valid?(project, ref)
+      validation_message(project, ref).blank?
     end
   end
 end

app/models/ci/pipeline.rb

@@ -464,7 +464,7 @@ module Ci
       return @config_processor if defined?(@config_processor)
 
       @config_processor ||= begin
-        Gitlab::Ci::YamlProcessor.new(ci_yaml_file, project)
+        initialize_yaml_processor
       rescue Gitlab::Ci::YamlProcessor::ValidationError => e
         self.yaml_errors = e.message
         nil
@@ -474,6 +474,10 @@ module Ci
       end
     end
 
+    def initialize_yaml_processor
+      Gitlab::Ci::YamlProcessor.new(ci_yaml_file, { project: project, branch_name: ref })
+    end
+
     def ci_yaml_file_path
       if project.ci_config_path.blank?
         '.gitlab-ci.yml'

app/views/projects/blob/viewers/_gitlab_ci_yml.html.haml

-- if viewer.valid?
+- if viewer.valid?(@project, @ref)
   = icon('check fw')
   This GitLab CI configuration is valid.
 - else
   = icon('warning fw')
   This GitLab CI configuration is invalid:
-  = viewer.validation_message
+  = viewer.validation_message(@project, @ref)
 
 = link_to 'Learn more', help_page_path('ci/yaml/README')

doc/ci/yaml/README.md

@@ -981,6 +981,7 @@ before_script:
 ```
 
 ```yaml
+# Content of gitlab-ci.yml
 include: 'https://gitlab.com/awesome-project/raw/master/.gitlab-ci-before-script-template.yml'
 
 rspec:
@@ -992,13 +993,13 @@ rubocop:
     - bundle exec rubocop
 ```
 
-In the above example `.gitlab-ci-before-script-template.yml` content will be automatically fetched and evaluated as it were a single local file.
+In the above example `.gitlab-ci-before-script-template.yml` content will be automatically fetched and evaluated along with the content of `gitlab-ci.yml`.
 
 `include` supports two types of files:
   - **local** to the same repository, referenced using the relative path, or 
-  - **remote** in a different location, accessed using HTTP(S) protocol, referenced using the full URL
+  - **remote** in a different location, accessed using HTTP protocol, referenced using the full URL
 
-Also, `include` supports a single string or an array of different values, so
+Also, `include` supports a single string or an array composed by different values, so
 
 ```yaml
 include: '/templates/.gitlab-ci-templates.yml'
@@ -1016,11 +1017,12 @@ are both valid use cases.
 
 #### Restrictions
 
-- We can only use files that are currently tracked by Git on the default repository branch, so when using a **local file** make sure it's on the latest commit of your default branch, otherwise feel free to use a remote location.
-- Since external files defined on `include` are evaluated first, the configuration on this files will take precedence over the content of `.gitlab-ci.yml`, for example:
+- We can only use files that are currently tracked by Git on the same branch and commit your configuration file is. In other words, when using a **local file** make sure it's on the latest commit of your branch.
+- Since external files defined on `include` are evaluated first, the content on `gitlab-ci.yml` **will take precedence over the content of the external files**, for example:
 
 ```yaml
 # Content of http://company.com/default-gitlab-ci.yml
+
 image: php:5-fpm-alpine
 
 job2:
@@ -1029,6 +1031,8 @@ job2:
 
 
 ```yaml
+# Content of gitlab-ci.yml
+
 include:
   - http://company.com/default-gitlab-ci.yml
 
@@ -1038,7 +1042,7 @@ job1:
   script: ruby -v
 ```
 
-In this case both, `job1` and `job2` will be executed with `php:5-fpm-alpine`
+In this case both, `job1` and `job2` will be executed with `ruby:2.1`
 
 
 

lib/gitlab/ci/config.rb

@@ -6,7 +6,7 @@ module Gitlab
     class Config
       ConfigError = Class.new(StandardError)
 
-      def initialize(config, project = nil, opts = {})
+      def initialize(config, opts = {})
         @config = Config::Extendable
           .new(build_config(config, opts))
           .to_hash
@@ -64,17 +64,21 @@ module Gitlab
         @global.jobs_value
       end
 
-      # 'opts' argument is used in EE see /ee/lib/ee/gitlab/ci/config.rb
-      def build_config(config, project,  opts = {})
+      def build_config(config, opts = {})
         initial_config = Loader.new(config).load!
+        project = opts.fetch(:project, nil)
 
-        if project.present?
-          processor = ::Gitlab::Ci::ExternalFiles::Processor.new(initial_config, project)
-          processor.perform
+        if project
+          process_external_files(initial_config, project, opts)
         else
           initial_config
         end
       end
+
+      def process_external_files(config, project, opts)
+        branch_name = opts.fetch(:branch_name, project.default_branch)
+        ::Gitlab::Ci::External::Processor.new(config, project, branch_name).perform
+      end
     end
   end
 end

lib/gitlab/ci/external/file/local.rb

+module Gitlab
+  module Ci
+    module External
+      module File
+        class Local
+          attr_reader :value, :project, :branch_name
+
+          def initialize(value, project, branch_name)
+            @value = value
+            @project = project
+            @branch_name = branch_name
+          end
+
+          def valid?
+            commit && local_file_content
+          end
+
+          def content
+            local_file_content
+          end
+
+          private
+
+          def commit
+            @commit ||= project.repository.commit(branch_name)
+          end
+
+          def local_file_content
+            @local_file_content ||= project.repository.blob_data_at(commit.sha, value)
+          end
+        end
+      end
+    end
+  end
+end

lib/gitlab/ci/external/file/remote.rb

+module Gitlab
+  module Ci
+    module External
+      module File
+        class Remote
+          attr_reader :value
+
+          def initialize(value)
+            @value = value
+          end
+
+          def valid?
+            ::Gitlab::UrlSanitizer.valid?(value) && content
+          end
+
+          def content
+            HTTParty.get(value)
+          rescue HTTParty::Error, Timeout::Error
+            false
+          end
+        end
+      end
+    end
+  end
+end

lib/gitlab/ci/external_files/mapper.rb → lib/gitlab/ci/external/mapper.rb

 module Gitlab
   module Ci
-    module ExternalFiles
+    module External
       class Mapper
-        def initialize(values, project)
-          @paths = values.fetch(:include, [])
+        def initialize(values, project, branch_name)
+          @paths = Array(values.fetch(:include, []))
           @project = project
+          @branch_name = branch_name
         end
 
         def process
-          if paths.is_a?(String)
-            [build_external_file(paths)]
-          else
-            paths.map { |path| build_external_file(path) }
-          end
+          paths.map { |path| build_external_file(path) }
         end
 
         private
 
-        attr_reader :paths, :project
+        attr_reader :paths, :project, :branch_name
 
         def build_external_file(path)
-          ::Gitlab::Ci::ExternalFiles::ExternalFile.new(path, project)
+          remote_file = Gitlab::Ci::External::File::Remote.new(path)
+
+          if remote_file.valid?
+            remote_file
+          else
+            ::Gitlab::Ci::External::File::Local.new(path, project, branch_name)
+          end
         end
       end
     end

lib/gitlab/ci/external_files/processor.rb → lib/gitlab/ci/external/processor.rb

 module Gitlab
   module Ci
-    module ExternalFiles
+    module External
       class Processor
-        ExternalFileError = Class.new(StandardError)
+        FileError = Class.new(StandardError)
 
-        def initialize(values, project)
+        def initialize(values, project, branch_name)
           @values = values
-          @external_files = ::Gitlab::Ci::ExternalFiles::Mapper.new(values, project).process
+          @external_files = ::Gitlab::Ci::External::Mapper.new(values, project, branch_name).process
+          @content = {}
         end
 
         def perform
@@ -14,30 +15,34 @@ module Gitlab
 
           external_files.each do |external_file|
             validate_external_file(external_file)
-            append_external_content(external_file)
+            @content.merge!(content_of(external_file))
           end
 
+          append_external_content
           remove_include_keyword
         end
 
         private
 
-        attr_reader :values, :external_files
+        attr_reader :values, :external_files, :content
 
         def validate_external_file(external_file)
           unless external_file.valid?
-            raise ExternalFileError, "External file: '#{external_file.value}' should be a valid local or remote file"
+            raise FileError, "External file: '#{external_file.value}' should be a valid local or remote file"
           end
         end
 
-        def append_external_content(external_file)
-          external_values = ::Gitlab::Ci::Config::Loader.new(external_file.content).load!
-          @values.merge!(external_values)
+        def content_of(external_file)
+          ::Gitlab::Ci::Config::Loader.new(external_file.content).load!
+        end
+
+        def append_external_content
+          @content.merge!(@values)
         end
 
         def remove_include_keyword
-          values.delete(:include)
-          values
+          content.delete(:include)
+          content
         end
       end
     end

lib/gitlab/ci/external_files/external_file.rb

-module Gitlab
-  module Ci
-    module ExternalFiles
-      class ExternalFile
-        attr_reader :value, :project
-
-        def initialize(value, project)
-          @value = value
-          @project = project
-        end
-
-        def content
-          if remote_url?
-            HTTParty.get(value)
-          else
-            local_file_content
-          end
-        rescue HTTParty::Error, Timeout::Error
-          nil
-        end
-
-        def valid?
-          remote_url? || local_file_content
-        end
-
-        private
-
-        def remote_url?
-          ::Gitlab::UrlSanitizer.valid?(value)
-        end
-
-        def local_file_content
-          project.repository.blob_data_at(sha, value)
-        end
-
-        def sha
-          @sha ||= project.repository.commit.sha
-        end
-      end
-    end
-  end
-end

lib/gitlab/ci/yaml_processor.rb

@@ -7,8 +7,8 @@ module Gitlab
 
       attr_reader :cache, :stages, :jobs
 
-      def initialize(config, project = nil, opts = {})
-        @ci_config = Gitlab::Ci::Config.new(config, project, opts)
+      def initialize(config, opts = {})
+        @ci_config = Gitlab::Ci::Config.new(config, opts)
         @config = @ci_config.to_hash
 
         unless @ci_config.valid?
@@ -73,11 +73,11 @@ module Gitlab
         end
       end
 
-      def self.validation_message(content, project = nil, opts = {})
+      def self.validation_message(content, opts = {})
         return 'Please provide content of .gitlab-ci.yml' if content.blank?
 
         begin
-          Gitlab::Ci::YamlProcessor.new(content, project, opts)
+          Gitlab::Ci::YamlProcessor.new(content, opts)
           nil
         rescue ValidationError, ::Gitlab::Ci::ExternalFiles::Processor::ExternalFileError => e
           e.message

spec/lib/gitlab/ci/config_spec.rb

@@ -5,11 +5,11 @@ require_dependency 'active_model'
 describe Gitlab::Ci::Config do
   let(:project) { create(:project, :repository) }
   let(:config) do
-    described_class.new(yml, project)
+    described_class.new(gitlab_ci_yml, { project: project, branch_name: 'testing' })
   end
 
   context 'when config is valid' do
-    let(:yml) do
+    let(:gitlab_ci_yml) do
       <<-EOS
         image: ruby:2.2
 
@@ -126,7 +126,7 @@ describe Gitlab::Ci::Config do
     end
   end
 
-  context "when yml has valid 'include' defined" do
+  context "when gitlab_ci_yml has valid 'include' defined" do
     let(:http_file_content) do
       <<~HEREDOC
       variables:
@@ -149,7 +149,8 @@ describe Gitlab::Ci::Config do
     end
 
     before do
-      allow_any_instance_of(::Gitlab::Ci::ExternalFiles::ExternalFile).to receive(:local_file_content).and_return(local_file_content)
+      allow_any_instance_of(::Gitlab::Ci::External::File::Local).to receive(:commit).and_return('12345')
+      allow_any_instance_of(::Gitlab::Ci::External::File::Local).to receive(:local_file_content).and_return(local_file_content)
       allow(HTTParty).to receive(:get).and_return(http_file_content)
     end
 
@@ -178,8 +179,8 @@ describe Gitlab::Ci::Config do
     end
   end
 
-  context "when yml has invalid 'include' defined"  do
-    let(:yml) do
+  context "when gitlab_ci.yml has invalid 'include' defined"  do
+    let(:gitlab_ci_yml) do
       <<-EOS
       include: invalid
       EOS
@@ -193,11 +194,11 @@ describe Gitlab::Ci::Config do
     end
   end
 
-  context "when both external files and gitlab_ci defined the same key" do
-    let(:yml) do
+  context "when both external files and gitlab_ci.yml defined the same key" do
+    let(:gitlab_ci_yml) do
       <<~HEREDOC
         include:
-          - https://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml
+          - https://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.gitlab_ci_yml
 
         image: ruby:2.2
       HEREDOC
@@ -211,7 +212,7 @@ describe Gitlab::Ci::Config do
 
     it 'should take precedence' do
       allow(HTTParty).to receive(:get).and_return(http_file_content)
-      expect(config.to_hash).to eq({ image: 'php:5-fpm-alpine' })
+      expect(config.to_hash).to eq({ image: 'ruby:2.2' })
     end
   end
 end

spec/lib/gitlab/ci/external/file/local_spec.rb

+require 'fast_spec_helper'
+
+describe Gitlab::Ci::External::File::Local do
+  let(:project) { create(:project, :repository) }
+  let(:local_file) { described_class.new(value, project, 'testing') }
+
+  describe "#valid?" do
+    context 'when is a valid local path' do
+      let(:value) { '/vendor/gitlab-ci-yml/existent-file.yml' }
+
+      before do
+        allow_any_instance_of(described_class).to receive(:commit).and_return('12345')
+        allow_any_instance_of(described_class).to receive(:local_file_content).and_return("image: 'ruby2:2'")
+      end
+
+      it 'should return true' do
+        expect(local_file.valid?).to be_truthy
+      end
+    end
+
+    context 'when is not a valid local path' do
+      let(:value) { '/vendor/gitlab-ci-yml/non-existent-file.yml' }
+
+      it 'should return false' do
+        expect(local_file.valid?).to be_falsy
+      end
+    end
+
+    describe "#content" do
+      let(:local_file_content) do
+        <<~HEREDOC
+      before_script:
+        - apt-get update -qq && apt-get install -y -qq sqlite3 libsqlite3-dev nodejs
+        - ruby -v
+        - which ruby
+        - gem install bundler --no-ri --no-rdoc
+        - bundle install --jobs $(nproc)  "${FLAGS[@]}"
+        HEREDOC
+      end
+
+      context 'with a local file' do
+        let(:value) { '/vendor/gitlab-ci-yml/non-existent-file.yml' }
+
+        before do
+          allow_any_instance_of(described_class).to receive(:local_file_content).and_return(local_file_content)
+        end
+
+        it 'should return the content of the file' do
+          expect(local_file.content).to eq(local_file_content)
+        end
+      end
+    end
+  end
+end

spec/lib/gitlab/ci/external/file/remote_spec.rb

+require 'fast_spec_helper'
+
+describe Gitlab::Ci::External::File::Remote do
+  let(:remote_file) { described_class.new(value) }
+  let(:value) { 'https://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml' }
+  let(:remote_file_content) do
+    <<~HEREDOC
+      before_script:
+        - apt-get update -qq && apt-get install -y -qq sqlite3 libsqlite3-dev nodejs
+        - ruby -v
+        - which ruby
+        - gem install bundler --no-ri --no-rdoc
+        - bundle install --jobs $(nproc)  "${FLAGS[@]}"
+    HEREDOC
+  end
+
+  describe "#valid?" do
+    context 'when is a valid remote url' do
+      before do
+        allow(HTTParty).to receive(:get).and_return(remote_file_content)
+      end
+
+      it 'should return true' do
+        expect(remote_file.valid?).to be_truthy
+      end
+    end
+
+    context 'when is not a valid remote url' do
+      let(:value) { 'not-valid://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml' }
+
+      it 'should return false' do
+        expect(remote_file.valid?).to be_falsy
+      end
+    end
+
+    context 'with a timeout' do
+      before do
+        allow(HTTParty).to receive(:get).and_raise(Timeout::Error)
+      end
+
+      it 'should be falsy' do
+        expect(remote_file.valid?).to be_falsy
+      end
+    end
+  end
+
+  describe "#content" do
+    context 'with a valid remote file' do
+      before do
+        allow(HTTParty).to receive(:get).and_return(remote_file_content)
+      end
+
+      it 'should return the content of the file' do
+        expect(remote_file.content).to eq(remote_file_content)
+      end
+    end
+
+    context 'with a timeout' do
+      before do
+        allow(HTTParty).to receive(:get).and_raise(Timeout::Error)
+      end
+
+      it 'should be falsy' do
+        expect(remote_file.content).to be_falsy
+      end
+    end
+  end
+end

spec/lib/gitlab/ci/external_files/mapper_spec.rb → spec/lib/gitlab/ci/external/mapper_spec.rb

 require 'fast_spec_helper'
 
-describe Gitlab::Ci::ExternalFiles::Mapper do
+describe Gitlab::Ci::External::Mapper do
   let(:project) { create(:project, :repository) }
+  let(:file_content) do
+    <<~HEREDOC
+    image: 'ruby:2.2'
+    HEREDOC
+  end
 
   describe '#process' do
-    subject { described_class.new(values, project).process }
+    subject { described_class.new(values, project, 'testing').process }
 
     context "when 'include' keyword is defined as string" do
-      let(:values) do
-        {
-          include: '/vendor/gitlab-ci-yml/non-existent-file.yml',
-          image: 'ruby:2.2'
-        }
-      end
+      context 'when the string is a local file' do
+        let(:values) do
+          {
+            include: '/vendor/gitlab-ci-yml/non-existent-file.yml',
+            image: 'ruby:2.2'
+          }
+        end
 
-      it 'returns an array' do
-        expect(subject).to be_an(Array)
+        it 'returns an array' do
+          expect(subject).to be_an(Array)
+        end
+
+        it 'returns File instances' do
+          expect(subject.first).to be_an_instance_of(::Gitlab::Ci::External::File::Local)
+        end
       end
 
-      it 'returns ExternalFile instances' do
-        expect(subject.first).to be_an_instance_of(::Gitlab::Ci::ExternalFiles::ExternalFile)
+      context 'when the string is a remote file' do
+        let(:values) do
+          {
+            include: 'https://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml',
+            image: 'ruby:2.2'
+          }
+        end
+
+        before do
+          allow(HTTParty).to receive(:get).and_return(file_content)
+        end
+
+        it 'returns an array' do
+          expect(subject).to be_an(Array)
+        end
+
+        it 'returns File instances' do
+          expect(subject.first).to be_an_instance_of(::Gitlab::Ci::External::File::Remote)
+        end
       end
     end
 
@@ -35,18 +63,25 @@ describe Gitlab::Ci::ExternalFiles::Mapper do
         }
       end
 
+      before do
+        allow(HTTParty).to receive(:get).and_return(file_content)
+      end
+
       it 'returns an array' do
         expect(subject).to be_an(Array)
       end
 
-      it 'returns ExternalFile instances' do
-        expect(subject).to all(be_an_instance_of(::Gitlab::Ci::ExternalFiles::ExternalFile))
+      it 'returns Files instances' do
+        expect(subject).to all(respond_to(:valid?))
+        expect(subject).to all(respond_to(:content))
       end
     end
 
     context "when 'include' is not defined" do
       let(:values) do
-        { image: 'ruby:2.2' }
+        {
+          image: 'ruby:2.2'
+        }
       end
 
       it 'returns an empty array' do

spec/lib/gitlab/ci/external_files/processor_spec.rb → spec/lib/gitlab/ci/external/processor_spec.rb

 require 'fast_spec_helper'
 
-describe Gitlab::Ci::ExternalFiles::Processor do
+describe Gitlab::Ci::External::Processor do
   let(:project) { create(:project, :repository) }
-  let(:processor) { described_class.new(values, project) }
+  let(:processor) { described_class.new(values, project, 'testing') }
 
   describe "#perform" do
     context 'when no external files defined' do
@@ -18,7 +18,7 @@ describe Gitlab::Ci::ExternalFiles::Processor do
 
       it 'should raise an error' do
         expect { processor.perform }.to raise_error(
-          described_class::ExternalFileError,
+          described_class::FileError,
           "External file: '/vendor/gitlab-ci-yml/non-existent-file.yml' should be a valid local or remote file"
         )
       end
@@ -29,7 +29,7 @@ describe Gitlab::Ci::ExternalFiles::Processor do
 
       it 'should raise an error' do
         expect { processor.perform }.to raise_error(
-          described_class::ExternalFileError,
+          described_class::FileError,
           "External file: 'not-valid://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml' should be a valid local or remote file"
         )
       end
@@ -72,7 +72,7 @@ describe Gitlab::Ci::ExternalFiles::Processor do
 
     context 'with a valid local external file is defined' do
       let(:values) { { include: '/vendor/gitlab-ci-yml/template.yml', image: 'ruby:2.2' } }
-      let(:external_file_content) do
+      let(:local_file_content) do
         <<-HEREDOC
         before_script:
           - apt-get update -qq && apt-get install -y -qq sqlite3 libsqlite3-dev nodejs
@@ -84,7 +84,8 @@ describe Gitlab::Ci::ExternalFiles::Processor do
       end
 
       before do
-        allow_any_instance_of(::Gitlab::Ci::ExternalFiles::ExternalFile).to receive(:local_file_content).and_return(external_file_content)
+        allow_any_instance_of(Gitlab::Ci::External::File::Local).to receive(:commit).and_return('12345')
+        allow_any_instance_of(Gitlab::Ci::External::File::Local).to receive(:local_file_content).and_return(local_file_content)
       end
 
       it 'should append the file to the values' do
@@ -93,7 +94,7 @@ describe Gitlab::Ci::ExternalFiles::Processor do
       end
 
       it "should remove the 'include' keyword" do
-        expect(processor.perform[:includes]).to be_nil
+        expect(processor.perform[:include]).to be_nil
       end
     end
 
@@ -104,7 +105,12 @@ describe Gitlab::Ci::ExternalFiles::Processor do
           'https://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml'
         ]
       end
-      let(:values) { { include: external_files, image: 'ruby:2.2' } }
+      let(:values) do
+        {
+          include: external_files,
+          image: 'ruby:2.2'
+        }
+      end
 
       let(:remote_file_content) do
         <<-HEREDOC
@@ -116,8 +122,9 @@ describe Gitlab::Ci::ExternalFiles::Processor do
       end
 
       before do
-        file_content = File.read("#{Rails.root}/spec/ee/fixtures/gitlab/ci/external_files/.gitlab-ci-template-1.yml")
-        allow_any_instance_of(::Gitlab::Ci::ExternalFiles::ExternalFile).to receive(:local_file_content).and_return(file_content)
+        local_file_content = File.read("#{Rails.root}/spec/ee/fixtures/gitlab/ci/external_files/.gitlab-ci-template-1.yml")
+        allow_any_instance_of(Gitlab::Ci::External::File::Local).to receive(:commit).and_return('12345')
+        allow_any_instance_of(Gitlab::Ci::External::File::Local).to receive(:local_file_content).and_return(local_file_content)
         allow(HTTParty).to receive(:get).and_return(remote_file_content)
       end
 
@@ -133,15 +140,36 @@ describe Gitlab::Ci::ExternalFiles::Processor do
     context 'when external files are defined but not valid' do
       let(:values) { { include: '/vendor/gitlab-ci-yml/template.yml', image: 'ruby:2.2' } }
 
-      let(:external_file_content) { 'invalid content file ////' }
+      let(:local_file_content) { 'invalid content file ////' }
 
       before do
-        allow_any_instance_of(::Gitlab::Ci::ExternalFiles::ExternalFile).to receive(:local_file_content).and_return(external_file_content)
+        allow_any_instance_of(Gitlab::Ci::External::File::Local).to receive(:commit).and_return('12345')
+        allow_any_instance_of(Gitlab::Ci::External::File::Local).to receive(:local_file_content).and_return(local_file_content)
       end
 
       it 'should raise an error' do
         expect { processor.perform }.to raise_error(Gitlab::Ci::Config::Loader::FormatError)
       end
     end
+
+    context "when both external files and values defined the same key" do
+      let(:values) do
+        {
+          include: 'https://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml',
+          image: 'ruby:2.2'
+        }
+      end
+
+      let(:remote_file_content) do
+        <<~HEREDOC
+        image: php:5-fpm-alpine
+        HEREDOC
+      end
+
+      it 'should take precedence' do
+        allow(HTTParty).to receive(:get).and_return(remote_file_content)
+        expect(processor.perform[:image]).to eq('ruby:2.2')
+      end
+    end
   end
 end

spec/lib/gitlab/ci/external_files/external_file_spec.rb

-require 'fast_spec_helper'
-
-describe Gitlab::Ci::ExternalFiles::ExternalFile do
-  let(:project) { create(:project, :repository) }
-  let(:external_file) { described_class.new(value, project) }
-
-  describe "#valid?" do
-    context 'when is a valid remote url' do
-      let(:value) { 'https://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml' }
-
-      before do
-        allow_any_instance_of(described_class).to receive(:local_file_content).and_return("image: 'ruby2:2'")
-      end
-
-      it 'should return true' do
-        expect(external_file.valid?).to be_truthy
-      end
-    end
-
-    context 'when is not a valid remote url' do
-      let(:value) { 'not-valid://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml' }
-
-      it 'should return false' do
-        expect(external_file.valid?).to be_falsy
-      end
-    end
-
-    context 'when is a valid local path' do
-      let(:value) { '/vendor/gitlab-ci-yml/existent-file.yml' }
-
-      it 'should return true' do
-        allow(File).to receive(:exists?).and_return(true)
-        expect(external_file.valid?).to be_truthy
-      end
-    end
-
-    context 'when is not a valid local path' do
-      let(:value) { '/vendor/gitlab-ci-yml/non-existent-file.yml' }
-
-      it 'should return false' do
-        expect(external_file.valid?).to be_falsy
-      end
-    end
-  end
-
-  describe "#content" do
-    let(:external_file_content) do
-      <<-HEREDOC
-        before_script:
-          - apt-get update -qq && apt-get install -y -qq sqlite3 libsqlite3-dev nodejs
-          - ruby -v
-          - which ruby
-          - gem install bundler --no-ri --no-rdoc
-          - bundle install --jobs $(nproc)  "${FLAGS[@]}"
-      HEREDOC
-    end
-
-    context 'with a local file' do
-      let(:value) { '/vendor/gitlab-ci-yml/non-existent-file.yml' }
-
-      before do
-        allow_any_instance_of(described_class).to receive(:local_file_content).and_return(external_file_content)
-      end
-
-      it 'should return the content of the file' do
-        expect(external_file.content).to eq(external_file_content)
-      end
-    end
-
-    context 'with a valid remote file' do
-      let(:value) { 'https://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml' }
-
-      before do
-        allow(HTTParty).to receive(:get).and_return(external_file_content)
-      end
-
-      it 'should return the content of the file' do
-        expect(external_file.content).to eq(external_file_content)
-      end
-    end
-
-    context 'with a timeout' do
-      let(:value) { 'https://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml' }
-
-      before do
-        allow(HTTParty).to receive(:get).and_raise(Timeout::Error)
-      end
-
-      it 'should return nil' do
-        expect(external_file.content).to be_nil
-      end
-    end
-  end
-end

spec/models/blob_viewer/gitlab_ci_yml_spec.rb

@@ -12,12 +12,12 @@ describe BlobViewer::GitlabCiYml do
     it 'calls prepare! on the viewer' do
       expect(subject).to receive(:prepare!)
 
-      subject.validation_message
+      subject.validation_message(project, project.default_branch)
     end
 
     context 'when the configuration is valid' do
       it 'returns nil' do
-        expect(subject.validation_message).to be_nil
+        expect(subject.validation_message(project, project.default_branch)).to be_nil
       end
     end
 
@@ -25,7 +25,7 @@ describe BlobViewer::GitlabCiYml do
       let(:data) { 'oof' }
 
       it 'returns the error message' do
-        expect(subject.validation_message).to eq('Invalid configuration format')
+        expect(subject.validation_message(project, project.default_branch)).to eq('Invalid configuration format')
       end
     end
   end

spec/models/ci/pipeline_spec.rb

@@ -1743,7 +1743,7 @@ describe Ci::Pipeline, :mailer do
         create(:ci_pipeline, config: { rspec: { script: 'rake test' } })
       end
 
-      it 'does not containyaml errors' do
+      it 'does not contain yaml errors' do
         expect(pipeline).not_to have_yaml_errors
       end
     end