Match users better by their private commit email

Private commit emails were introduced in !22560, but some parts of
GitLab were not updated to take account of them. This commit adds
support in places that were missed.

2 files changed, 58 insertions, 3 deletions

diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
index ed41ff7a0fa..2a0039a0635 100644
--- a/spec/models/commit_spec.rb
+++ b/spec/models/commit_spec.rb
@@ -72,6 +72,7 @@ describe Commit do
     context 'using eager loading' do
       let!(:alice) { create(:user, email: 'alice@example.com') }
       let!(:bob) { create(:user, email: 'hunter2@example.com') }
+      let!(:jeff) { create(:user) }
 
       let(:alice_commit) do
         described_class.new(RepoHelpers.sample_commit, project).tap do |c|
@@ -93,7 +94,14 @@ describe Commit do
         end
       end
 
-      let!(:commits) { [alice_commit, bob_commit, eve_commit] }
+      let(:jeff_commit) do
+        # The commit for Jeff uses his private commit email
+        described_class.new(RepoHelpers.sample_commit, project).tap do |c|
+          c.author_email = jeff.private_commit_email
+        end
+      end
+
+      let!(:commits) { [alice_commit, bob_commit, eve_commit, jeff_commit] }
 
       before do
         create(:email, user: bob, email: 'bob@example.com')
@@ -125,6 +133,20 @@ describe Commit do
         expect(bob_commit.author).to eq(bob)
       end
 
+      it "preloads the authors for Commits using a User's private commit Email" do
+        commits.each(&:lazy_author)
+
+        expect(jeff_commit.author).to eq(jeff)
+      end
+
+      it "preloads the authors for Commits using a User's outdated private commit Email" do
+        jeff.update!(username: 'new-username')
+
+        commits.each(&:lazy_author)
+
+        expect(jeff_commit.author).to eq(jeff)
+      end
+
       it 'sets the author to Nil if an author could not be found for a Commit' do
         commits.each(&:lazy_author)
 
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 0ac5bd666ae..733c1c49f08 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -1174,6 +1174,22 @@ describe User do
 
       expect(described_class.by_any_email(user.email, confirmed: true)).to eq([user])
     end
+
+    it 'finds user through a private commit email' do
+      user = create(:user)
+      private_email = user.private_commit_email
+
+      expect(described_class.by_any_email(private_email)).to eq([user])
+      expect(described_class.by_any_email(private_email, confirmed: true)).to eq([user])
+    end
+
+    it 'finds user through a private commit email in an array' do
+      user = create(:user)
+      private_email = user.private_commit_email
+
+      expect(described_class.by_any_email([private_email])).to eq([user])
+      expect(described_class.by_any_email([private_email], confirmed: true)).to eq([user])
+    end
   end
 
   describe '.search' do
@@ -1501,7 +1517,12 @@ describe User do
       email_unconfirmed = create :email, user: user
       user.reload
 
-      expect(user.all_emails).to match_array([user.email, email_unconfirmed.email, email_confirmed.email])
+      expect(user.all_emails).to contain_exactly(
+        user.email,
+        user.private_commit_email,
+        email_unconfirmed.email,
+        email_confirmed.email
+      )
     end
   end
 
@@ -1512,7 +1533,11 @@ describe User do
       email_confirmed = create :email, user: user, confirmed_at: Time.now
       create :email, user: user
 
-      expect(user.verified_emails).to match_array([user.email, user.private_commit_email, email_confirmed.email])
+      expect(user.verified_emails).to contain_exactly(
+        user.email,
+        user.private_commit_email,
+        email_confirmed.email
+      )
     end
   end
 
@@ -1532,6 +1557,14 @@ describe User do
       expect(user.verified_email?(user.private_commit_email)).to be_truthy
     end
 
+    it 'returns true for an outdated private commit email' do
+      old_email = user.private_commit_email
+
+      user.update!(username: 'changed-username')
+
+      expect(user.verified_email?(old_email)).to be_truthy
+    end
+
     it 'returns false when the email is not verified/confirmed' do
       email_unconfirmed = create :email, user: user
       user.reload