Handle after script CI config in new classes

This also makes Script to return an array of commands instead of
concatented command, which is our current direction.

lib/ci/gitlab_ci_yaml_processor.rb

@@ -14,7 +14,7 @@ module Ci
     ALLOWED_CACHE_KEYS = [:key, :untracked, :paths]
     ALLOWED_ARTIFACTS_KEYS = [:name, :untracked, :paths, :when, :expire_in]
-    attr_reader :after_script, :path, :cache
+    attr_reader :path, :cache
     def initialize(config, path = nil)
       @ci_config = Gitlab::Ci::Config.new(config)
@@ -65,10 +65,9 @@ module Ci
     def initial_parsing
       @before_script = @ci_config.before_script
       @image = @ci_config.image
-
-      @after_script = @config[:after_script]
-      @image = @config[:image]
+      @after_script = @ci_config.after_script
       @services = @ci_config.services
+
       @stages = @config[:stages] || @config[:types]
       @variables = @config[:variables] || {}
       @cache = @config[:cache]
@@ -93,7 +92,7 @@ module Ci
       {
         stage_idx: stages.index(job[:stage]),
         stage: job[:stage],
-        commands: [job[:before_script] || [@before_script], job[:script]].flatten.compact.join("\n"),
+        commands: [job[:before_script] || @before_script, job[:script]].flatten.compact.join("\n"),
         tag_list: job[:tags] || [],
         name: name,
         only: job[:only],
@@ -123,10 +122,6 @@ module Ci
     end
     def validate_global!
-      unless @after_script.nil? || validate_array_of_strings(@after_script)
-        raise ValidationError, "after_script should be an array of strings"
-      end
-
       unless @stages.nil? || validate_array_of_strings(@stages)
         raise ValidationError, "stages should be an array of strings"
       end

lib/gitlab/ci/config.rb

@@ -7,7 +7,7 @@ module Gitlab
       ##
       # Temporary delegations that should be removed after refactoring
       #
-      delegate :before_script, :image, :services, to: :@global
+      delegate :before_script, :image, :services, :after_script, to: :@global
       def initialize(config)
         @config = Loader.new(config).load!

lib/gitlab/ci/config/node/global.rb

@@ -17,6 +17,9 @@ module Gitlab
           allow_node :services, Services,
             description: 'Docker images that will be linked to the container.'
+
+          allow_node :after_script, Script,
+            description: 'Script that will be executed after each job.'
         end
       end
     end

lib/gitlab/ci/config/node/script.rb

@@ -5,11 +5,6 @@ module Gitlab
         ##
         # Entry that represents a script.
         #
-        # Each element in the value array is a command that will be executed
-        # by GitLab Runner. Currently we concatenate these commands with
-        # new line character as a separator, what is compatible with
-        # implementation in Runner.
-        #
         class Script < Entry
           include Validatable
@@ -18,7 +13,7 @@ module Gitlab
           end
           def value
-            @config.join("\n")
+            @config
           end
         end
       end

spec/lib/ci/gitlab_ci_yaml_processor_spec.rb

@@ -965,7 +965,7 @@ EOT
         config = YAML.dump({ after_script: "bundle update", rspec: { script: "test" } })
         expect do
           GitlabCiYamlProcessor.new(config, path)
-        end.to raise_error(GitlabCiYamlProcessor::ValidationError, "after_script should be an array of strings")
+        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

spec/lib/gitlab/ci/config/node/factory_spec.rb

@@ -11,7 +11,7 @@ describe Gitlab::Ci::Config::Node::Factory do
           .with(value: ['ls', 'pwd'])
           .create!
-        expect(entry.value).to eq "ls\npwd"
+        expect(entry.value).to eq ['ls', 'pwd']
       end
       context 'when setting description' do
@@ -21,7 +21,7 @@ describe Gitlab::Ci::Config::Node::Factory do
             .with(description: 'test description')
             .create!
-          expect(entry.value).to eq "ls\npwd"
+          expect(entry.value).to eq ['ls', 'pwd']
           expect(entry.description).to eq 'test description'
         end
       end

spec/lib/gitlab/ci/config/node/global_spec.rb

@@ -23,7 +23,8 @@ describe Gitlab::Ci::Config::Node::Global do
     let(:hash) do
       { before_script: ['ls', 'pwd'],
         image: 'ruby:2.2',
-        services: ['postgres:9.1', 'mysql:5.5'] }
+        services: ['postgres:9.1', 'mysql:5.5'],
+        after_script: ['make clean'] }
     end
     describe '#process!' do
@@ -34,7 +35,7 @@ describe Gitlab::Ci::Config::Node::Global do
       end
       it 'creates node object for each entry' do
-        expect(global.nodes.count).to eq 3
+        expect(global.nodes.count).to eq 4
       end
       it 'creates node object using valid class' do
@@ -71,7 +72,7 @@ describe Gitlab::Ci::Config::Node::Global do
       describe '#before_script' do
         it 'returns correct script' do
-          expect(global.before_script).to eq "ls\npwd"
+          expect(global.before_script).to eq ['ls', 'pwd']
         end
       end
@@ -86,6 +87,12 @@ describe Gitlab::Ci::Config::Node::Global do
           expect(global.services).to eq ['postgres:9.1', 'mysql:5.5']
         end
       end
+
+      describe '#after_script' do
+        it 'returns after script' do
+          expect(global.after_script).to eq ['make clean']
+        end
+      end
     end
   end

spec/lib/gitlab/ci/config/node/script_spec.rb

@@ -10,8 +10,8 @@ describe Gitlab::Ci::Config::Node::Script do
       let(:config) { ['ls', 'pwd'] }
       describe '#value' do
-        it 'returns concatenated command' do
-          expect(entry.value).to eq "ls\npwd"
+        it 'returns array of strings' do
+          expect(entry.value).to eq config
         end
       end