10 files changed, 562 insertions, 112 deletions

diff --git a/spec/lib/gitlab/ci/status/build/factory_spec.rb b/spec/lib/gitlab/ci/status/build/factory_spec.rb
index dccb29b5ef6..0c40fca0c1a 100644
--- a/spec/lib/gitlab/ci/status/build/factory_spec.rb
+++ b/spec/lib/gitlab/ci/status/build/factory_spec.rb
@@ -3,15 +3,23 @@ require 'spec_helper'
 describe Gitlab::Ci::Status::Build::Factory do
   let(:user) { create(:user) }
   let(:project) { build.project }
-
-  subject { described_class.new(build, user) }
-  let(:status) { subject.fabricate! }
+  let(:status) { factory.fabricate! }
+  let(:factory) { described_class.new(build, user) }
 
   before { project.team << [user, :developer] }
 
   context 'when build is successful' do
     let(:build) { create(:ci_build, :success) }
 
+    it 'matches correct core status' do
+      expect(factory.core_status).to be_a Gitlab::Ci::Status::Success
+    end
+
+    it 'matches correct extended statuses' do
+      expect(factory.extended_statuses)
+        .to eq [Gitlab::Ci::Status::Build::Retryable]
+    end
+
     it 'fabricates a retryable build status' do
       expect(status).to be_a Gitlab::Ci::Status::Build::Retryable
     end
@@ -26,24 +34,72 @@ describe Gitlab::Ci::Status::Build::Factory do
   end
 
   context 'when build is failed' do
-    let(:build) { create(:ci_build, :failed) }
+    context 'when build is not allowed to fail' do
+      let(:build) { create(:ci_build, :failed) }
 
-    it 'fabricates a retryable build status' do
-      expect(status).to be_a Gitlab::Ci::Status::Build::Retryable
+      it 'matches correct core status' do
+        expect(factory.core_status).to be_a Gitlab::Ci::Status::Failed
+      end
+
+      it 'matches correct extended statuses' do
+        expect(factory.extended_statuses)
+          .to eq [Gitlab::Ci::Status::Build::Retryable]
+      end
+
+      it 'fabricates a retryable build status' do
+        expect(status).to be_a Gitlab::Ci::Status::Build::Retryable
+      end
+
+      it 'fabricates status with correct details' do
+        expect(status.text).to eq 'failed'
+        expect(status.icon).to eq 'icon_status_failed'
+        expect(status.label).to eq 'failed'
+        expect(status).to have_details
+        expect(status).to have_action
+      end
     end
 
-    it 'fabricates status with correct details' do
-      expect(status.text).to eq 'failed'
-      expect(status.icon).to eq 'icon_status_failed'
-      expect(status.label).to eq 'failed'
-      expect(status).to have_details
-      expect(status).to have_action
+    context 'when build is allowed to fail' do
+      let(:build) { create(:ci_build, :failed, :allowed_to_fail) }
+
+      it 'matches correct core status' do
+        expect(factory.core_status).to be_a Gitlab::Ci::Status::Failed
+      end
+
+      it 'matches correct extended statuses' do
+        expect(factory.extended_statuses)
+          .to eq [Gitlab::Ci::Status::Build::Retryable,
+                  Gitlab::Ci::Status::Build::FailedAllowed]
+      end
+
+      it 'fabricates a failed but allowed build status' do
+        expect(status).to be_a Gitlab::Ci::Status::Build::FailedAllowed
+      end
+
+      it 'fabricates status with correct details' do
+        expect(status.text).to eq 'failed'
+        expect(status.icon).to eq 'icon_status_warning'
+        expect(status.label).to eq 'failed (allowed to fail)'
+        expect(status).to have_details
+        expect(status).to have_action
+        expect(status.action_title).to include 'Retry'
+        expect(status.action_path).to include 'retry'
+      end
     end
   end
 
   context 'when build is a canceled' do
     let(:build) { create(:ci_build, :canceled) }
 
+    it 'matches correct core status' do
+      expect(factory.core_status).to be_a Gitlab::Ci::Status::Canceled
+    end
+
+    it 'matches correct extended statuses' do
+      expect(factory.extended_statuses)
+        .to eq [Gitlab::Ci::Status::Build::Retryable]
+    end
+
     it 'fabricates a retryable build status' do
       expect(status).to be_a Gitlab::Ci::Status::Build::Retryable
     end
@@ -60,6 +116,15 @@ describe Gitlab::Ci::Status::Build::Factory do
   context 'when build is running' do
     let(:build) { create(:ci_build, :running) }
 
+    it 'matches correct core status' do
+      expect(factory.core_status).to be_a Gitlab::Ci::Status::Running
+    end
+
+    it 'matches correct extended statuses' do
+      expect(factory.extended_statuses)
+        .to eq [Gitlab::Ci::Status::Build::Cancelable]
+    end
+
     it 'fabricates a canceable build status' do
       expect(status).to be_a Gitlab::Ci::Status::Build::Cancelable
     end
@@ -76,6 +141,15 @@ describe Gitlab::Ci::Status::Build::Factory do
   context 'when build is pending' do
     let(:build) { create(:ci_build, :pending) }
 
+    it 'matches correct core status' do
+      expect(factory.core_status).to be_a Gitlab::Ci::Status::Pending
+    end
+
+    it 'matches correct extended statuses' do
+      expect(factory.extended_statuses)
+        .to eq [Gitlab::Ci::Status::Build::Cancelable]
+    end
+
     it 'fabricates a cancelable build status' do
       expect(status).to be_a Gitlab::Ci::Status::Build::Cancelable
     end
@@ -92,6 +166,14 @@ describe Gitlab::Ci::Status::Build::Factory do
   context 'when build is skipped' do
     let(:build) { create(:ci_build, :skipped) }
 
+    it 'matches correct core status' do
+      expect(factory.core_status).to be_a Gitlab::Ci::Status::Skipped
+    end
+
+    it 'does not match extended statuses' do
+      expect(factory.extended_statuses).to be_empty
+    end
+
     it 'fabricates a core skipped status' do
       expect(status).to be_a Gitlab::Ci::Status::Skipped
     end
@@ -109,6 +191,15 @@ describe Gitlab::Ci::Status::Build::Factory do
     context 'when build is a play action' do
       let(:build) { create(:ci_build, :playable) }
 
+      it 'matches correct core status' do
+        expect(factory.core_status).to be_a Gitlab::Ci::Status::Skipped
+      end
+
+      it 'matches correct extended statuses' do
+        expect(factory.extended_statuses)
+          .to eq [Gitlab::Ci::Status::Build::Play]
+      end
+
       it 'fabricates a core skipped status' do
         expect(status).to be_a Gitlab::Ci::Status::Build::Play
       end
@@ -119,12 +210,22 @@ describe Gitlab::Ci::Status::Build::Factory do
         expect(status.label).to eq 'manual play action'
         expect(status).to have_details
         expect(status).to have_action
+        expect(status.action_path).to include 'play'
       end
     end
 
     context 'when build is an environment stop action' do
       let(:build) { create(:ci_build, :playable, :teardown_environment) }
 
+      it 'matches correct core status' do
+        expect(factory.core_status).to be_a Gitlab::Ci::Status::Skipped
+      end
+
+      it 'matches correct extended statuses' do
+        expect(factory.extended_statuses)
+          .to eq [Gitlab::Ci::Status::Build::Stop]
+      end
+
       it 'fabricates a core skipped status' do
         expect(status).to be_a Gitlab::Ci::Status::Build::Stop
       end
diff --git a/spec/lib/gitlab/ci/status/build/failed_allowed_spec.rb b/spec/lib/gitlab/ci/status/build/failed_allowed_spec.rb
new file mode 100644
index 00000000000..20f71459738
--- /dev/null
+++ b/spec/lib/gitlab/ci/status/build/failed_allowed_spec.rb
@@ -0,0 +1,110 @@
+require 'spec_helper'
+
+describe Gitlab::Ci::Status::Build::FailedAllowed do
+  let(:status) { double('core status') }
+  let(:user) { double('user') }
+
+  subject do
+    described_class.new(status)
+  end
+
+  describe '#text' do
+    it 'does not override status text' do
+      expect(status).to receive(:text)
+
+      subject.text
+    end
+  end
+
+  describe '#icon' do
+    it 'returns a warning icon' do
+      expect(subject.icon).to eq 'icon_status_warning'
+    end
+  end
+
+  describe '#label' do
+    it 'returns information about failed but allowed to fail status' do
+      expect(subject.label).to eq 'failed (allowed to fail)'
+    end
+  end
+
+  describe '#group' do
+    it 'returns status failed with warnings status group' do
+      expect(subject.group).to eq 'failed_with_warnings'
+    end
+  end
+
+  describe 'action details' do
+    describe '#has_action?' do
+      it 'does not decorate action details' do
+        expect(status).to receive(:has_action?)
+
+        subject.has_action?
+      end
+    end
+
+    describe '#action_path' do
+      it 'does not decorate action path' do
+        expect(status).to receive(:action_path)
+
+        subject.action_path
+      end
+    end
+
+    describe '#action_icon' do
+      it 'does not decorate action icon' do
+        expect(status).to receive(:action_icon)
+
+        subject.action_icon
+      end
+    end
+
+    describe '#action_title' do
+      it 'does not decorate action title' do
+        expect(status).to receive(:action_title)
+
+        subject.action_title
+      end
+    end
+  end
+
+  describe '.matches?' do
+    subject { described_class.matches?(build, user) }
+
+    context 'when build is failed' do
+      context 'when build is allowed to fail' do
+        let(:build) { create(:ci_build, :failed, :allowed_to_fail) }
+
+        it 'is a correct match' do
+          expect(subject).to be true
+        end
+      end
+
+      context 'when build is not allowed to fail' do
+        let(:build) { create(:ci_build, :failed) }
+
+        it 'is not a correct match' do
+          expect(subject).not_to be true
+        end
+      end
+    end
+
+    context 'when build did not fail' do
+      context 'when build is allowed to fail' do
+        let(:build) { create(:ci_build, :success, :allowed_to_fail) }
+
+        it 'is not a correct match' do
+          expect(subject).not_to be true
+        end
+      end
+
+      context 'when build is not allowed to fail' do
+        let(:build) { create(:ci_build, :success) }
+
+        it 'is not a correct match' do
+          expect(subject).not_to be true
+        end
+      end
+    end
+  end
+end
diff --git a/spec/lib/gitlab/ci/status/external/common_spec.rb b/spec/lib/gitlab/ci/status/external/common_spec.rb
new file mode 100644
index 00000000000..5a97d98b55f
--- /dev/null
+++ b/spec/lib/gitlab/ci/status/external/common_spec.rb
@@ -0,0 +1,39 @@
+require 'spec_helper'
+
+describe Gitlab::Ci::Status::External::Common do
+  let(:user) { create(:user) }
+  let(:project) { external_status.project }
+  let(:external_target_url) { 'http://example.gitlab.com/status' }
+
+  let(:external_status) do
+    create(:generic_commit_status, target_url: external_target_url)
+  end
+
+  subject do
+    Gitlab::Ci::Status::Core
+      .new(external_status, user)
+      .extend(described_class)
+  end
+
+  describe '#has_action?' do
+    it { is_expected.not_to have_action }
+  end
+
+  describe '#has_details?' do
+    context 'when user has access to read commit status' do
+      before { project.team << [user, :developer] }
+
+      it { is_expected.to have_details }
+    end
+
+    context 'when user does not have access to read commit status' do
+      it { is_expected.not_to have_details }
+    end
+  end
+
+  describe '#details_path' do
+    it 'links to the external target URL' do
+      expect(subject.details_path).to eq external_target_url
+    end
+  end
+end
diff --git a/spec/lib/gitlab/ci/status/external/factory_spec.rb b/spec/lib/gitlab/ci/status/external/factory_spec.rb
new file mode 100644
index 00000000000..c96fd53e730
--- /dev/null
+++ b/spec/lib/gitlab/ci/status/external/factory_spec.rb
@@ -0,0 +1,38 @@
+require 'spec_helper'
+
+describe Gitlab::Ci::Status::External::Factory do
+  let(:user) { create(:user) }
+  let(:project) { resource.project }
+  let(:status) { factory.fabricate! }
+  let(:factory) { described_class.new(resource, user) }
+  let(:external_url) { 'http://gitlab.com/status' }
+
+  before do
+    project.team << [user, :developer]
+  end
+
+  context 'when external status has a simple core status' do
+    HasStatus::AVAILABLE_STATUSES.each do |simple_status|
+      context "when core status is #{simple_status}" do
+        let(:resource) do
+          create(:generic_commit_status, status: simple_status,
+                                         target_url: external_url)
+        end
+
+        let(:expected_status) do
+          Gitlab::Ci::Status.const_get(simple_status.capitalize)
+        end
+
+        it "fabricates a core status #{simple_status}" do
+          expect(status).to be_a expected_status
+        end
+
+        it 'extends core status with common methods' do
+          expect(status).to have_details
+          expect(status).not_to have_action
+          expect(status.details_path).to eq external_url
+        end
+      end
+    end
+  end
+end
diff --git a/spec/lib/gitlab/ci/status/factory_spec.rb b/spec/lib/gitlab/ci/status/factory_spec.rb
index f92a1c149bf..bbf9c7c83a3 100644
--- a/spec/lib/gitlab/ci/status/factory_spec.rb
+++ b/spec/lib/gitlab/ci/status/factory_spec.rb
@@ -1,24 +1,135 @@
 require 'spec_helper'
 
 describe Gitlab::Ci::Status::Factory do
-  subject do
-    described_class.new(resource, user)
+  let(:user) { create(:user) }
+  let(:fabricated_status) { factory.fabricate! }
+  let(:factory) { described_class.new(resource, user) }
+
+  context 'when object has a core status' do
+    HasStatus::AVAILABLE_STATUSES.each do |simple_status|
+      context "when simple core status is #{simple_status}" do
+        let(:resource) { double('resource', status: simple_status) }
+
+        let(:expected_status) do
+          Gitlab::Ci::Status.const_get(simple_status.capitalize)
+        end
+
+        it "fabricates a core status #{simple_status}" do
+          expect(fabricated_status).to be_a expected_status
+        end
+
+        it "matches a valid core status for #{simple_status}" do
+          expect(factory.core_status).to be_a expected_status
+        end
+
+        it "does not match any extended statuses for #{simple_status}" do
+          expect(factory.extended_statuses).to be_empty
+        end
+      end
+    end
   end
 
-  let(:user) { create(:user) }
+  context 'when resource supports multiple extended statuses' do
+    let(:resource) { double('resource', status: :success) }
 
-  let(:status) { subject.fabricate! }
+    let(:first_extended_status) do
+      Class.new(SimpleDelegator) do
+        def first_method
+          'first return value'
+        end
 
-  context 'when object has a core status' do
-    HasStatus::AVAILABLE_STATUSES.each do |core_status|
-      context "when core status is #{core_status}" do
-        let(:resource) { double(status: core_status) }
+        def second_method
+          'second return value'
+        end
+
+        def self.matches?(*)
+          true
+        end
+      end
+    end
 
-        it "fabricates a core status #{core_status}" do
-          expect(status).to be_a(
-            Gitlab::Ci::Status.const_get(core_status.capitalize))
+    let(:second_extended_status) do
+      Class.new(SimpleDelegator) do
+        def first_method
+          'decorated return value'
         end
+
+        def third_method
+          'third return value'
+        end
+
+        def self.matches?(*)
+          true
+        end
+      end
+    end
+
+    shared_examples 'compound decorator factory' do
+      it 'fabricates compound decorator' do
+        expect(fabricated_status.first_method).to eq 'decorated return value'
+        expect(fabricated_status.second_method).to eq 'second return value'
+        expect(fabricated_status.third_method).to eq 'third return value'
       end
+
+      it 'delegates to core status' do
+        expect(fabricated_status.text).to eq 'passed'
+      end
+
+      it 'latest matches status becomes a status name' do
+        expect(fabricated_status.class).to eq second_extended_status
+      end
+
+      it 'matches correct core status' do
+        expect(factory.core_status).to be_a Gitlab::Ci::Status::Success
+      end
+
+      it 'matches correct extended statuses' do
+        expect(factory.extended_statuses)
+          .to eq [first_extended_status, second_extended_status]
+      end
+    end
+
+    context 'when exclusive statuses are matches' do
+      before do
+        allow(described_class).to receive(:extended_statuses)
+          .and_return([[first_extended_status, second_extended_status]])
+      end
+
+      it 'does not fabricate compound decorator' do
+        expect(fabricated_status.first_method).to eq 'first return value'
+        expect(fabricated_status.second_method).to eq 'second return value'
+        expect(fabricated_status).not_to respond_to(:third_method)
+      end
+
+      it 'delegates to core status' do
+        expect(fabricated_status.text).to eq 'passed'
+      end
+
+      it 'matches correct core status' do
+        expect(factory.core_status).to be_a Gitlab::Ci::Status::Success
+      end
+
+      it 'matches correct extended statuses' do
+        expect(factory.extended_statuses).to eq [first_extended_status]
+      end
+    end
+
+    context 'when exclusive statuses are not matched' do
+      before do
+        allow(described_class).to receive(:extended_statuses)
+          .and_return([[first_extended_status], [second_extended_status]])
+      end
+
+      it_behaves_like 'compound decorator factory'
+    end
+
+    context 'when using simplified status grouping' do
+      before do
+        allow(described_class).to receive(:extended_statuses)
+          .and_return([first_extended_status, second_extended_status])
+      end
+
+      it_behaves_like 'compound decorator factory'
     end
   end
 end
diff --git a/spec/lib/gitlab/ci/status/pipeline/factory_spec.rb b/spec/lib/gitlab/ci/status/pipeline/factory_spec.rb
index d4a2dc7fcc1..b10a447c27a 100644
--- a/spec/lib/gitlab/ci/status/pipeline/factory_spec.rb
+++ b/spec/lib/gitlab/ci/status/pipeline/factory_spec.rb
@@ -3,29 +3,32 @@ require 'spec_helper'
 describe Gitlab::Ci::Status::Pipeline::Factory do
   let(:user) { create(:user) }
   let(:project) { pipeline.project }
-
-  subject do
-    described_class.new(pipeline, user)
-  end
-
-  let(:status) do
-    subject.fabricate!
-  end
+  let(:status) { factory.fabricate! }
+  let(:factory) { described_class.new(pipeline, user) }
 
   before do
     project.team << [user, :developer]
   end
 
   context 'when pipeline has a core status' do
-    HasStatus::AVAILABLE_STATUSES.each do |core_status|
-      context "when core status is #{core_status}" do
-        let(:pipeline) do
-          create(:ci_pipeline, status: core_status)
+    HasStatus::AVAILABLE_STATUSES.each do |simple_status|
+      context "when core status is #{simple_status}" do
+        let(:pipeline) { create(:ci_pipeline, status: simple_status) }
+
+        let(:expected_status) do
+          Gitlab::Ci::Status.const_get(simple_status.capitalize)
+        end
+
+        it "matches correct core status for #{simple_status}" do
+          expect(factory.core_status).to be_a expected_status
         end
 
-        it "fabricates a core status #{core_status}" do
-          expect(status).to be_a(
-            Gitlab::Ci::Status.const_get(core_status.capitalize))
+        it 'does not matche extended statuses' do
+          expect(factory.extended_statuses).to be_empty
+        end
+
+        it "fabricates a core status #{simple_status}" do
+          expect(status).to be_a expected_status
         end
 
         it 'extends core status with common pipeline methods' do
@@ -47,13 +50,22 @@ describe Gitlab::Ci::Status::Pipeline::Factory do
       create(:ci_build, :allowed_to_fail, :failed, pipeline: pipeline)
     end
 
+    it 'matches correct core status' do
+      expect(factory.core_status).to be_a Gitlab::Ci::Status::Success
+    end
+
+    it 'matches correct extended statuses' do
+      expect(factory.extended_statuses)
+        .to eq [Gitlab::Ci::Status::SuccessWarning]
+    end
+
     it 'fabricates extended "success with warnings" status' do
-      expect(status)
-        .to be_a Gitlab::Ci::Status::Pipeline::SuccessWithWarnings
+      expect(status).to be_a Gitlab::Ci::Status::SuccessWarning
     end
 
-    it 'extends core status with common pipeline methods' do
+    it 'extends core status with common pipeline method' do
       expect(status).to have_details
+      expect(status.details_path).to include "pipelines/#{pipeline.id}"
     end
   end
 end
diff --git a/spec/lib/gitlab/ci/status/pipeline/success_with_warnings_spec.rb b/spec/lib/gitlab/ci/status/pipeline/success_with_warnings_spec.rb
deleted file mode 100644
index 979160eb9c4..00000000000
--- a/spec/lib/gitlab/ci/status/pipeline/success_with_warnings_spec.rb
+++ /dev/null
@@ -1,69 +0,0 @@
-require 'spec_helper'
-
-describe Gitlab::Ci::Status::Pipeline::SuccessWithWarnings do
-  subject do
-    described_class.new(double('status'))
-  end
-
-  describe '#test' do
-    it { expect(subject.text).to eq 'passed' }
-  end
-
-  describe '#label' do
-    it { expect(subject.label).to eq 'passed with warnings' }
-  end
-
-  describe '#icon' do
-    it { expect(subject.icon).to eq 'icon_status_warning' }
-  end
-
-  describe '#group' do
-    it { expect(subject.group).to eq 'success_with_warnings' }
-  end
-
-  describe '.matches?' do
-    context 'when pipeline is successful' do
-      let(:pipeline) do
-        create(:ci_pipeline, status: :success)
-      end
-
-      context 'when pipeline has warnings' do
-        before do
-          allow(pipeline).to receive(:has_warnings?).and_return(true)
-        end
-
-        it 'is a correct match' do
-          expect(described_class.matches?(pipeline, double)).to eq true
-        end
-      end
-
-      context 'when pipeline does not have warnings' do
-        it 'does not match' do
-          expect(described_class.matches?(pipeline, double)).to eq false
-        end
-      end
-    end
-
-    context 'when pipeline is not successful' do
-      let(:pipeline) do
-        create(:ci_pipeline, status: :skipped)
-      end
-
-      context 'when pipeline has warnings' do
-        before do
-          allow(pipeline).to receive(:has_warnings?).and_return(true)
-        end
-
-        it 'does not match' do
-          expect(described_class.matches?(pipeline, double)).to eq false
-        end
-      end
-
-      context 'when pipeline does not have warnings' do
-        it 'does not match' do
-          expect(described_class.matches?(pipeline, double)).to eq false
-        end
-      end
-    end
-  end
-end
diff --git a/spec/lib/gitlab/ci/status/stage/factory_spec.rb b/spec/lib/gitlab/ci/status/stage/factory_spec.rb
index 6f8721d30c2..bbb40e2c1ab 100644
--- a/spec/lib/gitlab/ci/status/stage/factory_spec.rb
+++ b/spec/lib/gitlab/ci/status/stage/factory_spec.rb
@@ -43,4 +43,25 @@ describe Gitlab::Ci::Status::Stage::Factory do
       end
     end
   end
+
+  context 'when stage has warnings' do
+    let(:stage) do
+      build(:ci_stage, name: 'test', status: :success, pipeline: pipeline)
+    end
+
+    before do
+      create(:ci_build, :allowed_to_fail, :failed,
+             stage: 'test', pipeline: stage.pipeline)
+    end
+
+    it 'fabricates extended "success with warnings" status' do
+      expect(status)
+        .to be_a Gitlab::Ci::Status::SuccessWarning
+    end
+
+    it 'extends core status with common stage method' do
+      expect(status).to have_details
+      expect(status.details_path).to include "pipelines/#{pipeline.id}##{stage.name}"
+    end
+  end
 end
diff --git a/spec/lib/gitlab/ci/status/success_warning_spec.rb b/spec/lib/gitlab/ci/status/success_warning_spec.rb
new file mode 100644
index 00000000000..7e2269397c6
--- /dev/null
+++ b/spec/lib/gitlab/ci/status/success_warning_spec.rb
@@ -0,0 +1,75 @@
+require 'spec_helper'
+
+describe Gitlab::Ci::Status::SuccessWarning do
+  subject do
+    described_class.new(double('status'))
+  end
+
+  describe '#test' do
+    it { expect(subject.text).to eq 'passed' }
+  end
+
+  describe '#label' do
+    it { expect(subject.label).to eq 'passed with warnings' }
+  end
+
+  describe '#icon' do
+    it { expect(subject.icon).to eq 'icon_status_warning' }
+  end
+
+  describe '#group' do
+    it { expect(subject.group).to eq 'success_with_warnings' }
+  end
+
+  describe '.matches?' do
+    let(:matchable) { double('matchable') }
+
+    context 'when matchable subject is successful' do
+      before do
+        allow(matchable).to receive(:success?).and_return(true)
+      end
+
+      context 'when matchable subject has warnings' do
+        before do
+          allow(matchable).to receive(:has_warnings?).and_return(true)
+        end
+
+        it 'is a correct match' do
+          expect(described_class.matches?(matchable, double)).to eq true
+        end
+      end
+
+      context 'when matchable subject does not have warnings' do
+        before do
+          allow(matchable).to receive(:has_warnings?).and_return(false)
+        end
+
+        it 'does not match' do
+          expect(described_class.matches?(matchable, double)).to eq false
+        end
+      end
+    end
+
+    context 'when matchable subject is not successful' do
+      before do
+        allow(matchable).to receive(:success?).and_return(false)
+      end
+
+      context 'when matchable subject has warnings' do
+        before do
+          allow(matchable).to receive(:has_warnings?).and_return(true)
+        end
+
+        it 'does not match' do
+          expect(described_class.matches?(matchable, double)).to eq false
+        end
+      end
+
+      context 'when matchable subject does not have warnings' do
+        it 'does not match' do
+          expect(described_class.matches?(matchable, double)).to eq false
+        end
+      end
+    end
+  end
+end
diff --git a/spec/lib/gitlab/ci/trace_reader_spec.rb b/spec/lib/gitlab/ci/trace_reader_spec.rb
index f06d78694d6..ff5551bf703 100644
--- a/spec/lib/gitlab/ci/trace_reader_spec.rb
+++ b/spec/lib/gitlab/ci/trace_reader_spec.rb
@@ -11,13 +11,25 @@ describe Gitlab::Ci::TraceReader do
       last_lines = random_lines
 
       expected = lines.last(last_lines).join
+      result = subject.read(last_lines: last_lines)
 
-      expect(subject.read(last_lines: last_lines)).to eq(expected)
+      expect(result).to eq(expected)
+      expect(result.encoding).to eq(Encoding.default_external)
     end
   end
 
   it 'returns everything if trying to get too many lines' do
-    expect(build_subject.read(last_lines: lines.size * 2)).to eq(lines.join)
+    result = build_subject.read(last_lines: lines.size * 2)
+
+    expect(result).to eq(lines.join)
+    expect(result.encoding).to eq(Encoding.default_external)
+  end
+
+  it 'returns all contents if last_lines is not specified' do
+    result = build_subject.read
+
+    expect(result).to eq(lines.join)
+    expect(result.encoding).to eq(Encoding.default_external)
   end
 
   it 'raises an error if not passing an integer for last_lines' do