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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Compare do
include RepoHelpers
let(:project) { create(:project, :public, :repository) }
let(:commit) { project.commit }
let(:start_commit) { sample_image_commit }
let(:head_commit) { sample_commit }
let(:raw_compare) { Gitlab::Git::Compare.new(project.repository.raw_repository, start_commit.id, head_commit.id) }
subject(:compare) { described_class.new(raw_compare, project) }
describe '#cache_key' do
subject { compare.cache_key }
it { is_expected.to include(project) }
it { is_expected.to include(:compare) }
it { is_expected.to include(compare.diff_refs.hash) }
end
describe '#start_commit' do
it 'returns raw compare base commit' do
expect(subject.start_commit.id).to eq(start_commit.id)
end
it 'returns nil if compare base commit is nil' do
expect(raw_compare).to receive(:base).and_return(nil)
expect(subject.start_commit).to eq(nil)
end
end
describe '#commits' do
subject { compare.commits }
it 'returns a CommitCollection' do
is_expected.to be_kind_of(CommitCollection)
end
it 'returns a list of commits' do
commit_ids = subject.map(&:id)
expect(commit_ids).to include(head_commit.id)
expect(commit_ids.length).to eq(6)
end
end
describe '#commit' do
it 'returns raw compare head commit' do
expect(subject.commit.id).to eq(head_commit.id)
end
it 'returns nil if compare head commit is nil' do
expect(raw_compare).to receive(:head).and_return(nil)
expect(subject.commit).to eq(nil)
end
end
describe '#base_commit_sha' do
it 'returns @base_sha if it is present' do
expect(project).not_to receive(:merge_base_commit)
sha = double
service = described_class.new(raw_compare, project, base_sha: sha)
expect(service.base_commit_sha).to eq(sha)
end
it 'fetches merge base SHA from repo when @base_sha is nil' do
expect(project).to receive(:merge_base_commit)
.with(start_commit.id, head_commit.id)
.once
.and_call_original
expect(subject.base_commit_sha)
.to eq(project.repository.merge_base(start_commit.id, head_commit.id))
end
it 'is memoized on first call' do
expect(project).to receive(:merge_base_commit)
.with(start_commit.id, head_commit.id)
.once
.and_call_original
3.times { subject.base_commit_sha }
end
it 'returns nil if there is no start_commit' do
expect(subject).to receive(:start_commit).and_return(nil)
expect(subject.base_commit_sha).to eq(nil)
end
it 'returns nil if there is no head commit' do
expect(subject).to receive(:head_commit).and_return(nil)
expect(subject.base_commit_sha).to eq(nil)
end
end
describe '#diff_refs' do
it 'uses base_commit_sha sha as base_sha' do
expect(subject.diff_refs.base_sha).to eq(subject.base_commit_sha)
end
it 'uses start_commit sha as start_sha' do
expect(subject.diff_refs.start_sha).to eq(start_commit.id)
end
it 'uses commit sha as head sha' do
expect(subject.diff_refs.head_sha).to eq(head_commit.id)
end
end
describe '#modified_paths' do
context 'changes are present' do
let(:raw_compare) do
Gitlab::Git::Compare.new(
project.repository.raw_repository, 'before-create-delete-modify-move', 'after-create-delete-modify-move'
)
end
it 'returns affected file paths, without duplication' do
expect(subject.modified_paths).to contain_exactly(
*%w{
foo/for_move.txt
foo/bar/for_move.txt
foo/for_create.txt
foo/for_delete.txt
foo/for_edit.txt
})
end
end
context 'changes are absent' do
let(:start_commit) { sample_commit }
let(:head_commit) { sample_commit }
it 'returns empty array' do
expect(subject.modified_paths).to eq([])
end
end
end
end
|
