/
git_spec.rb
315 lines (275 loc) · 12.9 KB
/
git_spec.rb
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require File.expand_path('../spec_helper', __FILE__)
module Pod
module Downloader
describe 'Git' do
def fixture_url(name)
'file://' + fixture(name).to_s
end
before do
tmp_folder.rmtree if tmp_folder.exist?
end
describe 'In general' do
it 'checks out a specific commit' do
options = { :git => fixture('git-repo'), :commit => '7ad3a6c' }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
tmp_folder('README').read.strip.should == 'first commit'
end
it 'checks out a specific branch' do
options = { :git => fixture('git-repo'), :branch => 'topic_branch' }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
tmp_folder('README').read.strip.should == 'topic_branch'
end
it 'checks out a specific branch with forced encoding' do
options = { :git => fixture('git-repo'), :branch => '中文分支' }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
tmp_folder('README').read.strip.should == '中文分支'
end
it 'checks out a specific tag' do
options = { :git => fixture('git-repo'), :tag => 'v1.0' }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
tmp_folder('README').read.strip.should == 'v1.0'
end
it 'downloads the head of a repo' do
options = { :git => fixture('git-repo') }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download_head
Dir.chdir(tmp_folder) do
`git rev-list HEAD`.chomp.should.include '98cbf14'
end
end
it 'downloads the head of a repo if no specific options are provided' do
options = { :git => fixture('git-repo') }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
Dir.chdir(tmp_folder) do
`git rev-list HEAD`.chomp.should.include '98cbf14'
end
end
it "doesn't initializes submodules by default" do
options = { :git => fixture('git-repo'), :commit => 'd7f4104' }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
tmp_folder('README').read.strip.should == 'added submodule'
tmp_folder('submodule/README').should.not.exist?
end
it 'initializes submodules when requested' do
FileUtils.rm_rf('/tmp/git-submodule-repo')
FileUtils.cp_r(fixture('git-submodule-repo'), '/tmp/')
options = { :git => fixture('git-repo'), :commit => 'd7f4104', :submodules => true }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
tmp_folder('README').read.strip.should == 'added submodule'
tmp_folder('submodule/README').read.strip.should == 'submodule'
FileUtils.rm_rf('/tmp/git-submodule-repo')
downloader.checkout_options.should == {
:git => fixture('git-repo'),
:commit => 'd7f410490dabf7a6bde665ba22da102c3acf1bd9',
:submodules => true,
}
end
it 'returns whether it supports the download of the head' do
options = { :git => fixture('git-repo') }
downloader = Downloader.for_target(tmp_folder('checkout'), options)
downloader.head_supported?.should.be.true
end
it 'returns whether the provided options are specific' do
Downloader.for_target('path', :git => 'url').options_specific?.should.be.false
Downloader.for_target('path', :git => 'url', :branch => '').options_specific?.should.be.false
Downloader.for_target('path', :git => 'url', :submodules => '').options_specific?.should.be.false
Downloader.for_target('path', :git => 'url', :commit => '').options_specific?.should.be.true
Downloader.for_target('path', :git => 'url', :tag => '').options_specific?.should.be.true
end
it 'returns the checked out revision' do
options = { :git => fixture('git-repo') }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
downloader.checkout_options.should == {
:git => fixture('git-repo'),
:commit => '98cbf14201a78b56c6b7290f6cac840a7597a1c2',
}
end
end
describe 'Shallow cloning' do
def ensure_only_one_ref(folder)
Dir.chdir(folder) do
`git rev-list --count HEAD`.strip.should == '1'
end
end
before do
FileUtils.rm_rf('/tmp/git-submodule-repo')
FileUtils.cp_r(fixture('git-submodule-repo'), '/tmp/')
end
it 'uses shallow clone' do
options = { :git => fixture_url('git-repo') }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
ensure_only_one_ref(tmp_folder)
end
it 'clones a specific branch' do
options = { :git => fixture_url('git-repo'), :branch => 'topic_branch' }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
tmp_folder('README').read.strip.should == 'topic_branch'
ensure_only_one_ref(tmp_folder)
end
it 'clones a specific tag' do
options = { :git => fixture_url('git-repo'), :tag => 'v1.0' }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
tmp_folder('README').read.strip.should == 'v1.0'
ensure_only_one_ref(tmp_folder)
end
it 'clones a specific commit' do
options = { :git => fixture_url('git-repo'), :commit => '407e385' }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download
Dir.chdir(tmp_folder) do
`git rev-list HEAD`.chomp.should.include '407e385'
end
end
end
describe 'Robustness' do
it 'supports path contains quotes or spaces' do
options = { :git => fixture('git-repo'), :commit => '7ad3a6c' }
downloader = Downloader.for_target(tmp_folder_with_quotes, options)
downloader.download
tmp_folder_with_quotes('README').read.strip.should == 'first commit'
end
it "raises if it can't find the url" do
options = { :git => 'missing-repo' }
downloader = Downloader.for_target(tmp_folder, options)
lambda { downloader.download }.should.raise DownloaderError
end
it "raises if it can't find a commit" do
options = { :git => fixture('git-repo'), :commit => 'aaaaaa' }
downloader = Downloader.for_target(tmp_folder, options)
lambda { downloader.download }.should.raise DownloaderError
end
it "raises if it can't find a tag" do
options = { :git => fixture('git-repo'), :tag => 'aaaaaa' }
downloader = Downloader.for_target(tmp_folder, options)
lambda { downloader.download }.should.raise DownloaderError
end
it "raises if it can't find a reference" do
options = { :git => fixture('git-repo'), :commit => 'aaaaaa' }
downloader = Downloader.for_target(tmp_folder, options)
lambda { downloader.download }.should.raise DownloaderError
end
it 'is not confused by specific options in download head' do
options = { :git => fixture_url('git-repo'), :tag => 'v1.0' }
downloader = Downloader.for_target(tmp_folder, options)
downloader.download_head
Dir.chdir(tmp_folder) do
`git rev-list HEAD`.chomp.should.include '98cbf14'
end
end
describe 'will retry if a remote does not support shallow clones' do
it 'with git <= 2.10.x' do
options = { :git => fixture_url('git-repo'), :tag => 'v1.0' }
downloader = Downloader.for_target(tmp_folder, options)
message = '/usr/local/bin/git clone URL directory --single-branch ' \
"--depth 1\nCloning into 'directory'...\n" \
'fatal: dumb http transport does not support --depth'
dumb_remote_error = Pod::Downloader::DownloaderError.new(message)
downloader.stubs(:git!).raises(dumb_remote_error).then.returns(true)
should.not.raise { downloader.download }
end
it 'with git >= 2.11.x' do
options = { :git => fixture_url('git-repo'), :tag => 'v1.0' }
downloader = Downloader.for_target(tmp_folder, options)
message = '/usr/local/bin/git clone URL directory --single-branch ' \
"--depth 1\nCloning into 'directory'...\n" \
'fatal: dumb http transport does not support shallow capabilities'
dumb_remote_error = Pod::Downloader::DownloaderError.new(message)
downloader.stubs(:git!).raises(dumb_remote_error).then.returns(true)
should.not.raise { downloader.download }
end
end
end
describe ':commit_from_ls_remote' do
it 'finds commit for a branch' do
test_commit = 'abcde'
test_branch = 'stable'
test_output = "#{test_commit}\trefs/heads/#{test_branch}"
result = Git.send(:commit_from_ls_remote, test_output, test_branch)
result.should == test_commit
end
it 'returns nil for no match' do
test_commit = 'abcde'
test_branch = 'stable'
test_output = "#{test_commit}\trefs/heads/other_branch"
result = Git.send(:commit_from_ls_remote, test_output, test_branch)
result.should.nil?
end
it 'can match a commit for a tag' do
test_commit = '12345'
test_branch = 'stable'
test_output = "#{test_commit}\trefs/tags/#{test_branch}"
result = Git.send(:commit_from_ls_remote, test_output, test_branch)
result.should == test_commit
end
it 'finds correct commit from multiple ls-remote branches' do
test_commit1 = 'abcde'
test_branch1 = 'stable'
test_commit2 = '12345'
test_branch2 = 'release/stable'
test_output = "#{test_commit1}\trefs/heads/#{test_branch1}\n#{test_commit2}\trefs/heads/#{test_branch2}"
result1 = Git.send(:commit_from_ls_remote, test_output, test_branch1)
result1.should == test_commit1
result2 = Git.send(:commit_from_ls_remote, test_output, test_branch2)
result2.should == test_commit2
end
it 'returns a branch over a tag' do
test_commit1 = 'abcde'
test_branch = 'stable'
test_commit2 = '12345'
test_output = "#{test_commit1}\trefs/heads/#{test_branch}\n#{test_commit2}\trefs/tags/#{test_branch}"
result = Git.send(:commit_from_ls_remote, test_output, test_branch)
result.should == test_commit1
end
it 'handles nil inputs' do
Git.send(:commit_from_ls_remote, nil, 'test_branch').should.nil?
Git.send(:commit_from_ls_remote, "123\trefs/heads/abc", nil).should.nil?
end
end
describe '::preprocess_options' do
it 'skips non-branch requests' do
options = { :git => fixture_url('git-repo'), :commit => 'aaaa' }
new_options = Downloader.preprocess_options(options)
options.should == new_options
end
it 'resolves master to a commit' do
options = { :git => fixture_url('git-repo'), :branch => 'master' }
new_options = Downloader.preprocess_options(options)
new_options[:commit].should == '98cbf14201a78b56c6b7290f6cac840a7597a1c2'
end
it 'ignores invalid branches' do
options = { :git => fixture_url('git-repo'), :branch => 'aaaa' }
new_options = Downloader.preprocess_options(options)
new_options[:branch].should == 'aaaa'
end
end
describe ':bad input' do
it 'bails when you provide a bad input' do
options = { :git => '--upload-pack=touch ./HELLO1;', :branch => 'foo' }
e = lambda { Downloader.for_target(tmp_folder, options).download }.should.raise DownloaderError
e.message.should.match /Provided unsafe input/
end
it 'bails when you provide a bad input after valid input' do
options = { :git => 'github.com --upload-pack=touch ./HELLO1;', :branch => 'foo' }
e = lambda { Downloader.for_target(tmp_folder, options).download }.should.raise DownloaderError
e.message.should.match /Provided unsafe input/
end
it 'bails with other fields' do
options = { :branch => '--upload-pack=touch ./HELLO1;', :git => 'foo' }
e = lambda { Downloader.for_target(tmp_folder, options).download }.should.raise DownloaderError
e.message.should.match /Provided unsafe input/
end
end
end
end
end