gitlab-org--gitlab-foss/spec/models/commit_collection_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe CommitCollection do
let(:project) { create(:project, :repository) }
let(:commit) { project.commit("c1c67abbaf91f624347bb3ae96eabe3a1b742478") }
describe '#each' do
it 'yields every commit' do
collection = described_class.new(project, [commit])
expect { |b| collection.each(&b) }.to yield_with_args(commit)
end
end
describe '.committers' do
it 'returns a relation of users when users are found' do
user = create(:user, email: commit.committer_email.upcase)
collection = described_class.new(project, [commit])
expect(collection.committers).to contain_exactly(user)
end
it 'returns empty array when committers cannot be found' do
collection = described_class.new(project, [commit])
expect(collection.committers).to be_empty
end
it 'excludes authors of merge commits' do
commit = project.commit("60ecb67744cb56576c30214ff52294f8ce2def98")
create(:user, email: commit.committer_email.upcase)
collection = described_class.new(project, [commit])
expect(collection.committers).to be_empty
end
end
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describe '#without_merge_commits' do
it 'returns all commits except merge commits' do
merge_commit = project.commit("60ecb67744cb56576c30214ff52294f8ce2def98")
expect(merge_commit).to receive(:merge_commit?).and_return(true)
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collection = described_class.new(project, [
commit,
merge_commit
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])
expect(collection.without_merge_commits).to contain_exactly(commit)
end
end
describe '#with_latest_pipeline' do
let(:another_commit) { project.commit("60ecb67744cb56576c30214ff52294f8ce2def98") }
let!(:pipeline) do
create(:ci_empty_pipeline, ref: 'master', sha: commit.id, status: 'success', project: project)
end
let!(:another_pipeline) do
create(:ci_empty_pipeline, ref: 'master', sha: another_commit.id, status: 'success', project: project)
end
let(:collection) { described_class.new(project, [commit, another_commit]) }
it 'sets the latest pipeline for every commit so no additional queries are necessary' do
commits = collection.with_latest_pipeline('master')
recorder = ActiveRecord::QueryRecorder.new do
expect(commits.map { |c| c.latest_pipeline('master') })
.to eq([pipeline, another_pipeline])
end
expect(recorder.count).to be_zero
end
it 'performs a single query to fetch pipeline warnings' do
recorder = ActiveRecord::QueryRecorder.new do
collection.with_latest_pipeline('master').each do |c|
c.latest_pipeline('master').number_of_warnings.itself
end
end
expect(recorder.count).to eq(2) # 1 for pipelines, 1 for warnings counts
end
end
describe '#with_markdown_cache' do
let(:commits) { [commit] }
let(:collection) { described_class.new(project, commits) }
it 'preloads commits cache markdown' do
aggregate_failures do
expect(Commit).to receive(:preload_markdown_cache!).with(commits)
expect(collection.with_markdown_cache).to eq(collection)
end
end
end
describe 'enrichment methods' do
let(:gitaly_commit) { commit }
let(:hash_commit) { Commit.from_hash(gitaly_commit.to_hash, project) }
describe '#unenriched' do
it 'returns all commits that are not backed by gitaly data' do
collection = described_class.new(project, [gitaly_commit, hash_commit])
expect(collection.unenriched).to contain_exactly(hash_commit)
end
end
describe '#fully_enriched?' do
it 'returns true when all commits are backed by gitaly data' do
collection = described_class.new(project, [gitaly_commit, gitaly_commit])
expect(collection.fully_enriched?).to eq(true)
end
it 'returns false when any commits are not backed by gitaly data' do
collection = described_class.new(project, [gitaly_commit, hash_commit])
expect(collection.fully_enriched?).to eq(false)
end
it 'returns true when the collection is empty' do
collection = described_class.new(project, [])
expect(collection.fully_enriched?).to eq(true)
end
end
describe '#enrich!' do
it 'replaces commits in the collection with those backed by gitaly data' do
collection = described_class.new(project, [hash_commit])
collection.enrich!
new_commit = collection.commits.first
expect(new_commit.id).to eq(hash_commit.id)
expect(hash_commit.gitaly_commit?).to eq(false)
expect(new_commit.gitaly_commit?).to eq(true)
end
it 'maintains the original order of the commits' do
gitaly_commits = [gitaly_commit] * 3
hash_commits = [hash_commit] * 3
# Interleave the gitaly and hash commits together
original_commits = gitaly_commits.zip(hash_commits).flatten
collection = described_class.new(project, original_commits)
collection.enrich!
original_commits.each_with_index do |original_commit, i|
new_commit = collection.commits[i]
expect(original_commit.id).to eq(new_commit.id)
end
end
it 'fetches data if there are unenriched commits' do
collection = described_class.new(project, [hash_commit])
expect(Commit).to receive(:lazy).exactly(:once)
collection.enrich!
end
it 'does not fetch data if all commits are enriched' do
collection = described_class.new(project, [gitaly_commit])
expect(Commit).not_to receive(:lazy)
collection.enrich!
end
it 'returns the original commit if the commit could not be lazy loaded' do
collection = described_class.new(project, [hash_commit])
unexisting_lazy_commit = Commit.lazy(project, Gitlab::Git::BLANK_SHA)
expect(Commit).to receive(:lazy).with(project, hash_commit.id).and_return(unexisting_lazy_commit)
collection.enrich!
expect(collection.commits).to contain_exactly(hash_commit)
end
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end
end
describe '#respond_to_missing?' do
it 'returns true when the underlying Array responds to the message' do
collection = described_class.new(project, [])
expect(collection.respond_to?(:last)).to eq(true)
end
it 'returns false when the underlying Array does not respond to the message' do
collection = described_class.new(project, [])
expect(collection.respond_to?(:foo)).to eq(false)
end
end
describe '#method_missing' do
it 'delegates undefined methods to the underlying Array' do
collection = described_class.new(project, [commit])
expect(collection.length).to eq(1)
expect(collection.last).to eq(commit)
expect(collection).not_to be_empty
end
end
end