1 files changed, 79 insertions, 0 deletions
diff --git a/spec/models/merge_request_spec.rb b/spec/models/merge_request_spec.rb
index 00c528c8cde..64c56d922ff 100644
--- a/spec/models/merge_request_spec.rb
+++ b/spec/models/merge_request_spec.rb
@@ -456,6 +456,20 @@ describe MergeRequest, models: true do
     subject { create :merge_request, :simple }
   end
 
+  describe '#commits_sha' do
+    let(:commit0) { double('commit0', sha: 'sha1') }
+    let(:commit1) { double('commit1', sha: 'sha2') }
+    let(:commit2) { double('commit2', sha: 'sha3') }
+
+    before do
+      allow(subject.merge_request_diff).to receive(:commits).and_return([commit0, commit1, commit2])
+    end
+
+    it 'returns sha of commits' do
+      expect(subject.commits_sha).to contain_exactly('sha1', 'sha2', 'sha3')
+    end
+  end
+
   describe '#pipeline' do
     describe 'when the source project exists' do
       it 'returns the latest pipeline' do
@@ -480,6 +494,19 @@ describe MergeRequest, models: true do
     end
   end
 
+  describe '#all_pipelines' do
+    let!(:pipelines) do
+      subject.merge_request_diff.commits.map do |commit|
+        create(:ci_empty_pipeline, project: subject.source_project, sha: commit.id, ref: subject.source_branch)
+      end
+    end
+
+    it 'returns a pipelines from source projects with proper ordering' do
+      expect(subject.all_pipelines).not_to be_empty
+      expect(subject.all_pipelines).to eq(pipelines.reverse)
+    end
+  end
+
   describe '#participants' do
     let(:project) { create(:project, :public) }
 
@@ -848,4 +875,56 @@ describe MergeRequest, models: true do
       end
     end
   end
+
+  describe '#conflicts_can_be_resolved_in_ui?' do
+    def create_merge_request(source_branch)
+      create(:merge_request, source_branch: source_branch, target_branch: 'conflict-start') do |mr|
+        mr.mark_as_unmergeable
+      end
+    end
+
+    it 'returns a falsey value when the MR can be merged without conflicts' do
+      merge_request = create_merge_request('master')
+      merge_request.mark_as_mergeable
+
+      expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
+    end
+
+    it 'returns a falsey value when the MR does not support new diff notes' do
+      merge_request = create_merge_request('conflict-resolvable')
+      merge_request.merge_request_diff.update_attributes(start_commit_sha: nil)
+
+      expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
+    end
+
+    it 'returns a falsey value when the conflicts contain a large file' do
+      merge_request = create_merge_request('conflict-too-large')
+
+      expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
+    end
+
+    it 'returns a falsey value when the conflicts contain a binary file' do
+      merge_request = create_merge_request('conflict-binary-file')
+
+      expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
+    end
+
+    it 'returns a falsey value when the conflicts contain a file with ambiguous conflict markers' do
+      merge_request = create_merge_request('conflict-contains-conflict-markers')
+
+      expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
+    end
+
+    it 'returns a falsey value when the conflicts contain a file edited in one branch and deleted in another' do
+      merge_request = create_merge_request('conflict-missing-side')
+
+      expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
+    end
+
+    it 'returns a truthy value when the conflicts are resolvable in the UI' do
+      merge_request = create_merge_request('conflict-resolvable')
+
+      expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_truthy
+    end
+  end
 end