Validate only and except regexpvalidate-only-except-regexp

Currently the RegexpError can be raised when processing next stage which leads to 500 in different places of code base.
This adds early check that regexps used in only and except are valid.

1 files changed, 58 insertions, 1 deletions

diff --git a/spec/lib/ci/gitlab_ci_yaml_processor_spec.rb b/spec/lib/ci/gitlab_ci_yaml_processor_spec.rb
index 143e2e6d238..b0b03146d0c 100644
--- a/spec/lib/ci/gitlab_ci_yaml_processor_spec.rb
+++ b/spec/lib/ci/gitlab_ci_yaml_processor_spec.rb
@@ -157,6 +157,35 @@ module Ci
           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, 'rspec job: only parameter 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
@@ -284,8 +313,36 @@ module Ci
           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
-      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, 'rspec job: except parameter 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