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git_repo_spec.rb
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411 lines (328 loc) · 9.66 KB
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require 'spec_helper'
describe Overcommit::GitRepo do
describe '.submodule_statuses' do
let(:options) { {} }
subject { described_class.submodule_statuses(options) }
context 'when repo contains no submodules' do
around do |example|
repo do
example.run
end
end
it { should be_empty }
end
context 'when repo contains submodules' do
around do |example|
nested_submodule = repo do
`git commit --allow-empty -m "Initial commit"`
end
submodule = repo do
`git submodule add #{nested_submodule} nested-sub 2>&1 > #{File::NULL}`
`git commit -m "Add nested submodule"`
end
repo do
`git submodule add #{submodule} sub 2>&1 > #{File::NULL}`
example.run
end
end
it 'returns the submodule statuses' do
subject.map(&:path).should == ['sub']
end
context 'when recursive flag is specified' do
let(:options) { { recursive: true } }
it 'returns submodule statuses including nested submodules' do
subject.map(&:path).sort.should == ['sub', 'sub/nested-sub']
end
end
end
end
describe '.extract_modified_lines' do
let(:file) { 'file.txt' }
let(:options) { {} }
subject { described_class.extract_modified_lines(file, options) }
around do |example|
repo do
echo("Hello World\nHow are you?", file)
`git add file.txt`
`git commit -m "Initial commit"`
example.run
end
end
context 'when no lines were modified' do
it { should be_empty }
end
context 'when lines were added' do
before do
echo('Hello Again', file, append: true)
end
it 'includes the added lines' do
subject.to_a.should == [3]
end
end
context 'when lines were removed' do
before do
echo('Hello World', file)
end
it { should be_empty }
end
end
describe '.modified_files' do
let(:options) { {} }
subject { described_class.modified_files(options) }
around do |example|
repo do
example.run
end
end
context 'when `staged` option is set' do
let(:options) { { staged: true } }
context 'when files were added' do
before do
touch 'added.txt'
`git add added.txt`
end
it { should == [File.expand_path('added.txt')] }
end
context 'when files were renamed' do
before do
touch 'file.txt'
`git add file.txt`
`git commit -m "Initial commit"`
`git mv file.txt renamed.txt`
end
it { should == [File.expand_path('renamed.txt')] }
end
context 'when files were modified' do
before do
touch 'file.txt'
`git add file.txt`
`git commit -m "Initial commit"`
echo('Modification', 'file.txt', append: true)
`git add file.txt`
end
it { should == [File.expand_path('file.txt')] }
end
context 'when files were deleted' do
before do
touch 'file.txt'
`git add file.txt`
`git commit -m "Initial commit"`
`git rm file.txt`
end
it { should == [] }
end
context 'when submodules were added' do
let(:submodule) do
repo do
`git commit --allow-empty -m "Initial commit"`
end
end
before do
`git submodule add #{submodule} sub 2>&1 > #{File::NULL}`
end
it { should_not include File.expand_path('sub') }
end
end
end
describe '.list_files' do
let(:paths) { [] }
let(:options) { {} }
subject { described_class.list_files(paths, options) }
around do |example|
repo do
`git commit --allow-empty -m "Initial commit"`
example.run
end
end
context 'when path includes a submodule directory' do
let(:submodule_dir) { 'sub-repo' }
before do
submodule = repo do
`git commit --allow-empty -m "Submodule commit"`
end
`git submodule add #{submodule} #{submodule_dir} 2>&1 > #{File::NULL}`
`git commit -m "Add submodule"`
end
it { should_not include(File.expand_path(submodule_dir)) }
end
context 'when listing contents of a directory' do
let(:dir) { 'some-dir' }
let(:paths) { [dir + File::SEPARATOR] }
before do
FileUtils.mkdir(dir)
end
context 'when directory is empty' do
it { should be_empty }
end
context 'when directory contains a file' do
let(:file) { "#{dir}/file" }
before do
touch(file)
`git add "#{file}"`
`git commit -m "Add file"`
end
context 'when path contains no spaces' do
it { should include(File.expand_path(file)) }
end
context 'when path contains spaces' do
let(:dir) { 'some dir' }
it { should include(File.expand_path(file)) }
end
end
end
end
describe '.tracked?' do
subject { described_class.tracked?(file) }
around do |example|
repo do
touch 'untracked'
touch 'tracked'
`git add tracked`
`git commit -m "Initial commit"`
touch 'staged'
`git add staged`
example.run
end
end
context 'when file is untracked' do
let(:file) { 'untracked' }
it { should == false }
end
context 'when file is committed' do
let(:file) { 'tracked' }
it { should == true }
end
context 'when file is staged' do
let(:file) { 'staged' }
it { should == true }
end
end
describe '.all_files' do
subject { described_class.all_files }
let(:submodule) do
repo do
`git commit --allow-empty -m "Initial commit"`
end
end
around do |example|
repo do
touch 'untracked'
touch 'tracked'
`git add tracked`
`git commit -m "Initial commit"`
`git submodule add #{submodule} sub 2>&1 > #{File::NULL}`
touch 'staged'
`git add staged`
example.run
end
end
it { should include(*%w[tracked staged].map { |file| File.expand_path(file) }) }
it { should_not include File.expand_path('sub') }
end
describe '.initial_commit?' do
subject { described_class.initial_commit? }
context 'when there are no existing commits in the repository' do
around do |example|
repo do
example.run
end
end
it { should == true }
end
context 'when there are commits in the repository' do
around do |example|
repo do
`git commit --allow-empty -m "Initial commit"`
example.run
end
end
it { should == false }
end
end
describe '.staged_submodule_removals' do
subject { described_class.staged_submodule_removals }
around do |example|
submodule = repo do
`git commit --allow-empty -m "Submodule commit"`
end
repo do
`git submodule add #{submodule} sub-repo 2>&1 > #{File::NULL}`
`git commit -m "Initial commit"`
example.run
end
end
context 'when there are no submodule removals staged' do
it { should be_empty }
end
context 'when there are submodule additions staged' do
before do
another_submodule = repo do
`git commit --allow-empty -m "Another submodule"`
end
`git submodule add #{another_submodule} another-sub-repo 2>&1 > #{File::NULL}`
end
it { should be_empty }
end
context 'when there is one submodule removal staged' do
before do
`git rm sub-repo`
end
it 'returns the submodule that was removed' do
subject.size.should == 1
subject.first.tap do |sub|
sub.path.should == 'sub-repo'
File.directory?(sub.url).should == true
end
end
end
context 'when there are multiple submodule removals staged' do
before do
another_submodule = repo do
`git commit --allow-empty -m "Another submodule"`
end
`git submodule add #{another_submodule} yet-another-sub-repo 2>&1 > #{File::NULL}`
`git commit -m "Add yet another submodule"`
`git rm sub-repo`
`git rm yet-another-sub-repo`
end
it 'returns all submodules that were removed' do
subject.size.should == 2
subject.map(&:path).sort.should == ['sub-repo', 'yet-another-sub-repo']
end
end
end
describe '.branches_containing_commit' do
subject { described_class.branches_containing_commit(commit_ref) }
around do |example|
repo do
`git checkout -b master > #{File::NULL} 2>&1`
`git commit --allow-empty -m "Initial commit"`
`git checkout -b topic > #{File::NULL} 2>&1`
`git commit --allow-empty -m "Another commit"`
example.run
end
end
context 'when only one branch contains the commit' do
let(:commit_ref) { 'topic' }
it 'should return only that branch' do
subject.size.should == 1
subject[0].should == 'topic'
end
end
context 'when more than one branch contains the commit' do
let(:commit_ref) { 'master' }
it 'should return all branches containing the commit' do
subject.size.should == 2
subject.sort.should == %w[master topic]
end
end
context 'when no branches contain the commit' do
let(:commit_ref) { 'HEAD' }
before do
`git checkout --detach > #{File::NULL} 2>&1`
`git commit --allow-empty -m "Detached HEAD"`
end
it { should be_empty }
end
end
end