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require 'spec_helper'
describe Gitlab::TreeSummary do
using RSpec::Parameterized::TableSyntax
let(:project) { create(:project, :empty_repo) }
let(:repo) { project.repository }
let(:commit) { repo.head_commit }
let(:path) { nil }
let(:offset) { nil }
let(:limit) { nil }
subject(:summary) { described_class.new(commit, project, path: path, offset: offset, limit: limit) }
describe '#initialize' do
it 'defaults offset to 0' do
expect(summary.offset).to eq(0)
end
it 'defaults limit to 25' do
expect(summary.limit).to eq(25)
end
end
describe '#summarize' do
let(:project) { create(:project, :custom_repo, files: { 'a.txt' => '' }) }
subject(:summarized) { summary.summarize }
it 'returns an array of entries, and an array of commits' do
expect(summarized).to be_a(Array)
expect(summarized.size).to eq(2)
entries, commits = *summarized
aggregate_failures do
expect(entries).to contain_exactly(
a_hash_including(file_name: 'a.txt', commit: have_attributes(id: commit.id))
)
expect(commits).to match_array(entries.map { |entry| entry[:commit] })
end
end
end
describe '#summarize (entries)' do
let(:limit) { 2 }
custom_files = {
'a.txt' => '',
'b.txt' => '',
'directory/c.txt' => ''
}
let(:project) { create(:project, :custom_repo, files: custom_files) }
let(:commit) { repo.head_commit }
subject(:entries) { summary.summarize.first }
it 'summarizes the entries within the window' do
is_expected.to contain_exactly(
a_hash_including(type: :tree, file_name: 'directory'),
a_hash_including(type: :blob, file_name: 'a.txt')
# b.txt is excluded by the limit
)
end
it 'references the commit and commit path in entries' do
entry = entries.first
expected_commit_path = Gitlab::Routing.url_helpers.project_commit_path(project, commit)
expect(entry[:commit]).to be_a(::Commit)
expect(entry[:commit_path]).to eq expected_commit_path
end
context 'in a good subdirectory' do
let(:path) { 'directory' }
it 'summarizes the entries in the subdirectory' do
is_expected.to contain_exactly(a_hash_including(type: :blob, file_name: 'c.txt'))
end
end
context 'in a non-existent subdirectory' do
let(:path) { 'tmp' }
it { is_expected.to be_empty }
end
context 'custom offset and limit' do
let(:offset) { 2 }
it 'returns entries from the offset' do
is_expected.to contain_exactly(a_hash_including(type: :blob, file_name: 'b.txt'))
end
end
end
describe '#summarize (commits)' do
# This is a commit in the master branch of the gitlab-test repository that
# satisfies certain assumptions these tests depend on
let(:test_commit_sha) { '7975be0116940bf2ad4321f79d02a55c5f7779aa' }
let(:whitespace_commit_sha) { '66eceea0db202bb39c4e445e8ca28689645366c5' }
let(:project) { create(:project, :repository) }
let(:commit) { repo.commit(test_commit_sha) }
let(:limit) { nil }
let(:entries) { summary.summarize.first }
subject(:commits) do
summary.summarize.last
end
it 'returns an Array of ::Commit objects' do
is_expected.not_to be_empty
is_expected.to all(be_kind_of(::Commit))
end
it 'deduplicates commits when multiple entries reference the same commit' do
expect(commits.size).to be < entries.size
end
context 'in a subdirectory' do
let(:path) { 'files' }
it 'returns commits for entries in the subdirectory' do
expect(commits).to satisfy_one { |c| c.id == whitespace_commit_sha }
end
end
end
describe '#more?' do
let(:path) { 'tmp/more' }
where(:num_entries, :offset, :limit, :expected_result) do
0 | 0 | 0 | false
0 | 0 | 1 | false
1 | 0 | 0 | true
1 | 0 | 1 | false
1 | 1 | 0 | false
1 | 1 | 1 | false
2 | 0 | 0 | true
2 | 0 | 1 | true
2 | 0 | 2 | false
2 | 0 | 3 | false
2 | 1 | 0 | true
2 | 1 | 1 | false
2 | 2 | 0 | false
2 | 2 | 1 | false
end
with_them do
before do
create_file('dummy', path: 'other') if num_entries.zero?
1.upto(num_entries) { |n| create_file(n, path: path) }
end
subject { summary.more? }
it { is_expected.to eq(expected_result) }
end
end
describe '#next_offset' do
let(:path) { 'tmp/next_offset' }
where(:num_entries, :offset, :limit, :expected_result) do
0 | 0 | 0 | 0
0 | 0 | 1 | 1
0 | 1 | 0 | 1
0 | 1 | 1 | 1
1 | 0 | 0 | 0
1 | 0 | 1 | 1
1 | 1 | 0 | 1
1 | 1 | 1 | 2
end
with_them do
before do
create_file('dummy', path: 'other') if num_entries.zero?
1.upto(num_entries) { |n| create_file(n, path: path) }
end
subject { summary.next_offset }
it { is_expected.to eq(expected_result) }
end
end
def create_file(unique, path:)
repo.create_file(
project.creator,
"#{path}/file-#{unique}.txt",
'content',
message: "Commit message #{unique}",
branch_name: 'master'
)
end
end
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