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require 'spec_helper'
describe Gitlab::Git::RevList do
let(:project) { create(:project, :repository) }
let(:rev_list) { described_class.new(newrev: 'newrev', path_to_repo: project.repository.path_to_repo) }
let(:env_hash) do
{
'GIT_OBJECT_DIRECTORY' => 'foo',
'GIT_ALTERNATE_OBJECT_DIRECTORIES' => 'bar'
}
end
before do
allow(Gitlab::Git::Env).to receive(:all).and_return(env_hash.symbolize_keys)
end
def args_for_popen(args_list)
[
Gitlab.config.git.bin_path,
"--git-dir=#{project.repository.path_to_repo}",
'rev-list',
*args_list
]
end
def stub_popen_rev_list(*additional_args, output:)
args = args_for_popen(additional_args)
expect(rev_list).to receive(:popen).with(args, nil, env_hash)
.and_return([output, 0])
end
def stub_lazy_popen_rev_list(*additional_args, output:)
params = [
args_for_popen(additional_args),
nil,
env_hash,
hash_including(lazy_block: anything)
]
expect(rev_list).to receive(:popen).with(*params) do |*_, lazy_block:|
lazy_block.call(output.lines.lazy.map(&:chomp))
end
end
context "#new_refs" do
it 'calls out to `popen`' do
stub_popen_rev_list('newrev', '--not', '--all', output: "sha1\nsha2")
expect(rev_list.new_refs).to eq(%w[sha1 sha2])
end
end
context '#new_objects' do
it 'fetches list of newly pushed objects using rev-list' do
stub_popen_rev_list('newrev', '--not', '--all', '--objects', output: "sha1\nsha2")
expect(rev_list.new_objects).to eq(%w[sha1 sha2])
end
it 'can skip pathless objects' do
stub_popen_rev_list('newrev', '--not', '--all', '--objects', output: "sha1\nsha2 path/to/file")
expect(rev_list.new_objects(require_path: true)).to eq(%w[sha2])
end
it 'can handle non utf-8 paths' do
non_utf_char = [0x89].pack("c*").force_encoding("UTF-8")
stub_lazy_popen_rev_list('newrev', '--not', '--all', '--objects', output: "sha2 πå†h/†ø/ƒîlé#{non_utf_char}\nsha1")
rev_list.new_objects(require_path: true) do |object_ids|
expect(object_ids.force).to eq(%w[sha2])
end
end
it 'can yield a lazy enumerator' do
stub_lazy_popen_rev_list('newrev', '--not', '--all', '--objects', output: "sha1\nsha2")
rev_list.new_objects do |object_ids|
expect(object_ids).to be_a Enumerator::Lazy
end
end
it 'returns the result of the block when given' do
stub_lazy_popen_rev_list('newrev', '--not', '--all', '--objects', output: "sha1\nsha2")
objects = rev_list.new_objects do |object_ids|
object_ids.first
end
expect(objects).to eq 'sha1'
end
it 'can accept list of references to exclude' do
stub_popen_rev_list('newrev', '--not', 'master', '--objects', output: "sha1\nsha2")
expect(rev_list.new_objects(not_in: ['master'])).to eq(%w[sha1 sha2])
end
it 'handles empty list of references to exclude as listing all known objects' do
stub_popen_rev_list('newrev', '--objects', output: "sha1\nsha2")
expect(rev_list.new_objects(not_in: [])).to eq(%w[sha1 sha2])
end
end
context '#all_objects' do
it 'fetches list of all pushed objects using rev-list' do
stub_popen_rev_list('--all', '--objects', output: "sha1\nsha2")
expect(rev_list.all_objects).to eq(%w[sha1 sha2])
end
end
context "#missed_ref" do
let(:rev_list) { described_class.new(oldrev: 'oldrev', newrev: 'newrev', path_to_repo: project.repository.path_to_repo) }
it 'calls out to `popen`' do
stub_popen_rev_list('--max-count=1', 'oldrev', '^newrev', output: "sha1\nsha2")
expect(rev_list.missed_ref).to eq(%w[sha1 sha2])
end
end
end
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