Commit cb6f8cdf authored by Adam Niedzielski's avatar Adam Niedzielski

Replace references to MergeRequestDiff#commits with st_commits

when we care only about the number of commits

We do not have to instantiate all objects in this case.
parent 2adc6568
......@@ -492,7 +492,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
def validates_merge_request
# Show git not found page
# if there is no saved commits between source & target branch
if @merge_request.commits.blank?
if @merge_request.has_no_commits?
# and if target branch doesn't exist
return invalid_mr unless @merge_request.target_branch_exists?
end
......@@ -500,7 +500,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
def define_show_vars
@noteable = @merge_request
@commits_count = @merge_request.commits.count
@commits_count = @merge_request.commits_count
if @merge_request.locked_long_ago?
@merge_request.unlock_mr
......
......@@ -203,7 +203,7 @@ module Ci
.reorder(iid: :asc)
merge_requests.find do |merge_request|
merge_request.commits.any? { |ci| ci.id == pipeline.sha }
merge_request.commits_sha.include?(pipeline.sha)
end
end
......
......@@ -22,7 +22,8 @@ class MergeRequest < ActiveRecord::Base
after_create :ensure_merge_request_diff, unless: :importing?
after_update :reload_diff_if_branch_changed
delegate :commits, :real_size, to: :merge_request_diff, prefix: nil
delegate :commits, :real_size, :commits_sha, :commits_count,
to: :merge_request_diff, prefix: nil
# When this attribute is true some MR validation is ignored
# It allows us to close or modify broken merge requests
......@@ -662,7 +663,7 @@ class MergeRequest < ActiveRecord::Base
end
def broken?
self.commits.blank? || branch_missing? || cannot_be_merged?
has_no_commits? || branch_missing? || cannot_be_merged?
end
def can_be_merged_by?(user)
......@@ -770,10 +771,6 @@ class MergeRequest < ActiveRecord::Base
diverged_commits_count > 0
end
def commits_sha
commits.map(&:sha)
end
def head_pipeline
return unless diff_head_sha && source_project
......@@ -871,4 +868,12 @@ class MergeRequest < ActiveRecord::Base
@conflicts_can_be_resolved_in_ui = false
end
end
def has_commits?
commits_count > 0
end
def has_no_commits?
!has_commits?
end
end
......@@ -127,12 +127,8 @@ class MergeRequestDiff < ActiveRecord::Base
end
def commits_sha
if @commits
commits.map(&:sha)
else
st_commits.map { |commit| commit[:id] }
end
end
def diff_refs
return unless start_commit_sha || base_commit_sha
......@@ -176,6 +172,10 @@ class MergeRequestDiff < ActiveRecord::Base
CompareService.new.execute(project, head_commit_sha, project, sha, straight: straight)
end
def commits_count
st_commits.count
end
private
# Old GitLab implementations may have generated diffs as ["--broken-diff"].
......
......@@ -63,7 +63,7 @@ module MergeRequests
if merge_request.source_branch == @branch_name || force_push?
merge_request.reload_diff
else
mr_commit_ids = merge_request.commits.map(&:id)
mr_commit_ids = merge_request.commits_sha
push_commit_ids = @commits.map(&:id)
matches = mr_commit_ids & push_commit_ids
merge_request.reload_diff if matches.any?
......@@ -123,7 +123,7 @@ module MergeRequests
return unless @commits.present?
merge_requests_for_source_branch.each do |merge_request|
mr_commit_ids = Set.new(merge_request.commits.map(&:id))
mr_commit_ids = Set.new(merge_request.commits_sha)
new_commits, existing_commits = @commits.partition do |commit|
mr_commit_ids.include?(commit.id)
......
......@@ -27,7 +27,7 @@
version #{version_index(merge_request_diff)}
.monospace #{short_sha(merge_request_diff.head_commit_sha)}
%small
#{number_with_delimiter(merge_request_diff.commits.count)} #{'commit'.pluralize(merge_request_diff.commits.count)},
#{number_with_delimiter(merge_request_diff.commits_count)} #{'commit'.pluralize(merge_request_diff.commits_count)},
= time_ago_with_tooltip(merge_request_diff.created_at)
- if @merge_request_diff.base_commit_sha
......
......@@ -11,7 +11,7 @@
= render 'projects/merge_requests/widget/open/archived'
- elsif @merge_request.branch_missing?
= render 'projects/merge_requests/widget/open/missing_branch'
- elsif @merge_request.commits.blank?
- elsif @merge_request.has_no_commits?
= render 'projects/merge_requests/widget/open/nothing'
- elsif @merge_request.unchecked?
= render 'projects/merge_requests/widget/open/check'
......
---
title: Replace references to MergeRequestDiff#commits with st_commits when we care
only about the number of commits
merge_request: 7668
author:
......@@ -730,8 +730,8 @@ describe Ci::Build, models: true do
pipeline2 = create(:ci_pipeline, project: project)
@build2 = create(:ci_build, pipeline: pipeline2)
commits = [double(id: pipeline.sha), double(id: pipeline2.sha)]
allow(@merge_request).to receive(:commits).and_return(commits)
allow(@merge_request).to receive(:commits_sha).
and_return([pipeline.sha, pipeline2.sha])
allow(MergeRequest).to receive_message_chain(:includes, :where, :reorder).and_return([@merge_request])
end
......
......@@ -77,24 +77,13 @@ describe MergeRequestDiff, models: true do
end
describe '#commits_sha' do
shared_examples 'returning all commits SHA' do
it 'returns all commits SHA' do
commits_sha = subject.commits_sha
it 'returns all commits SHA using serialized commits' do
subject.st_commits = [
{ id: 'sha1' },
{ id: 'sha2' }
]
expect(commits_sha).to eq(subject.commits.map(&:sha))
end
end
context 'when commits were loaded' do
before do
subject.commits
end
it_behaves_like 'returning all commits SHA'
end
context 'when commits were not loaded' do
it_behaves_like 'returning all commits SHA'
expect(subject.commits_sha).to eq(['sha1', 'sha2'])
end
end
......@@ -113,4 +102,15 @@ describe MergeRequestDiff, models: true do
expect(diffs.size).to eq(3)
end
end
describe '#commits_count' do
it 'returns number of commits using serialized commits' do
subject.st_commits = [
{ id: 'sha1' },
{ id: 'sha2' }
]
expect(subject.commits_count).to eq 2
end
end
end
......@@ -557,16 +557,13 @@ describe MergeRequest, models: true do
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])
allow(subject.merge_request_diff).to receive(:commits_sha).
and_return(['sha1'])
end
it 'returns sha of commits' do
expect(subject.commits_sha).to contain_exactly('sha1', 'sha2', 'sha3')
it 'delegates to merge request diff' do
expect(subject.commits_sha).to eq ['sha1']
end
end
......@@ -1440,4 +1437,26 @@ describe MergeRequest, models: true do
end
end
end
describe '#has_commits?' do
before do
allow(subject.merge_request_diff).to receive(:commits_count).
and_return(2)
end
it 'returns true when merge request diff has commits' do
expect(subject.has_commits?).to be_truthy
end
end
describe '#has_no_commits?' do
before do
allow(subject.merge_request_diff).to receive(:commits_count).
and_return(0)
end
it 'returns true when merge request diff has 0 commits' do
expect(subject.has_no_commits?).to be_truthy
end
end
end
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