Pass commit data to ProcessCommitWorkerprocess-commit-worker-improvements

By passing commit data to this worker we remove the need for querying
the Git repository for every job. This in turn reduces the time spent
processing each job.

The migration included migrates jobs from the old format to the new
format. For this to work properly it requires downtime as otherwise
workers may start producing errors until they're using a newer version
of the worker code.

1 files changed, 17 insertions, 0 deletions

diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
index e3bb3482d67..7194c20d3bf 100644
--- a/spec/models/commit_spec.rb
+++ b/spec/models/commit_spec.rb
@@ -302,4 +302,21 @@ eos
       expect(commit.uri_type('this/path/doesnt/exist')).to be_nil
     end
   end
+
+  describe '.from_hash' do
+    let(:new_commit) { described_class.from_hash(commit.to_hash, project) }
+
+    it 'returns a Commit' do
+      expect(new_commit).to be_an_instance_of(described_class)
+    end
+
+    it 'wraps a Gitlab::Git::Commit' do
+      expect(new_commit.raw).to be_an_instance_of(Gitlab::Git::Commit)
+    end
+
+    it 'stores the correct commit fields' do
+      expect(new_commit.id).to eq(commit.id)
+      expect(new_commit.message).to eq(commit.message)
+    end
+  end
 end