mirror of
https://github.com/Luzifer/ansible-role-version.git
synced 2024-12-24 11:31:21 +00:00
384 lines
11 KiB
Go
384 lines
11 KiB
Go
package object
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import (
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"sort"
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"gopkg.in/src-d/go-git.v4/plumbing"
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"gopkg.in/src-d/go-git.v4/plumbing/filemode"
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"gopkg.in/src-d/go-git.v4/plumbing/format/packfile"
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"gopkg.in/src-d/go-git.v4/plumbing/storer"
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"gopkg.in/src-d/go-git.v4/storage/filesystem"
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"gopkg.in/src-d/go-git.v4/storage/memory"
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"gopkg.in/src-d/go-git.v4/utils/merkletrie"
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. "gopkg.in/check.v1"
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"gopkg.in/src-d/go-git-fixtures.v3"
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)
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type DiffTreeSuite struct {
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fixtures.Suite
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Storer storer.EncodedObjectStorer
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Fixture *fixtures.Fixture
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cache map[string]storer.EncodedObjectStorer
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}
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func (s *DiffTreeSuite) SetUpSuite(c *C) {
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s.Suite.SetUpSuite(c)
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s.Fixture = fixtures.Basic().One()
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sto, err := filesystem.NewStorage(s.Fixture.DotGit())
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c.Assert(err, IsNil)
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s.Storer = sto
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s.cache = make(map[string]storer.EncodedObjectStorer)
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}
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func (s *DiffTreeSuite) commitFromStorer(c *C, sto storer.EncodedObjectStorer,
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h plumbing.Hash) *Commit {
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commit, err := GetCommit(sto, h)
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c.Assert(err, IsNil)
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return commit
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}
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func (s *DiffTreeSuite) storageFromPackfile(f *fixtures.Fixture) storer.EncodedObjectStorer {
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sto, ok := s.cache[f.URL]
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if ok {
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return sto
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}
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sto = memory.NewStorage()
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pf := f.Packfile()
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defer pf.Close()
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n := packfile.NewScanner(pf)
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d, err := packfile.NewDecoder(n, sto)
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if err != nil {
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panic(err)
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}
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_, err = d.Decode()
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if err != nil {
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panic(err)
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}
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s.cache[f.URL] = sto
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return sto
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}
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var _ = Suite(&DiffTreeSuite{})
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type expectChange struct {
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Action merkletrie.Action
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Name string
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}
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func assertChanges(a Changes, c *C) {
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for _, changes := range a {
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action, err := changes.Action()
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c.Assert(err, IsNil)
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switch action {
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case merkletrie.Insert:
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c.Assert(changes.From.Tree, IsNil)
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c.Assert(changes.To.Tree, NotNil)
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case merkletrie.Delete:
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c.Assert(changes.From.Tree, NotNil)
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c.Assert(changes.To.Tree, IsNil)
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case merkletrie.Modify:
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c.Assert(changes.From.Tree, NotNil)
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c.Assert(changes.To.Tree, NotNil)
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default:
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c.Fatalf("unknown action: %d", action)
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}
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}
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}
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func equalChanges(a Changes, b []expectChange, c *C) bool {
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if len(a) != len(b) {
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return false
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}
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sort.Sort(a)
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for i, va := range a {
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vb := b[i]
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action, err := va.Action()
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c.Assert(err, IsNil)
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if action != vb.Action || va.name() != vb.Name {
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return false
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}
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}
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return true
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}
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func (s *DiffTreeSuite) TestDiffTree(c *C) {
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for i, t := range []struct {
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repository string // the repo name as in localRepos
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commit1 string // the commit of the first tree
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commit2 string // the commit of the second tree
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expected []expectChange // the expected list of []changeExpect
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}{
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{
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"https://github.com/dezfowler/LiteMock.git",
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"",
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"",
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[]expectChange{},
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},
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{
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"https://github.com/dezfowler/LiteMock.git",
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"b7965eaa2c4f245d07191fe0bcfe86da032d672a",
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"b7965eaa2c4f245d07191fe0bcfe86da032d672a",
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[]expectChange{},
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},
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{
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"https://github.com/dezfowler/LiteMock.git",
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"",
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"b7965eaa2c4f245d07191fe0bcfe86da032d672a",
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[]expectChange{
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{Action: merkletrie.Insert, Name: "README"},
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},
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},
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{
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"https://github.com/dezfowler/LiteMock.git",
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"b7965eaa2c4f245d07191fe0bcfe86da032d672a",
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"",
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[]expectChange{
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{Action: merkletrie.Delete, Name: "README"},
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},
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},
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{
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"https://github.com/githubtraining/example-branches.git",
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"",
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"f0eb272cc8f77803478c6748103a1450aa1abd37",
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[]expectChange{
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{Action: merkletrie.Insert, Name: "README.md"},
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},
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},
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{
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"https://github.com/githubtraining/example-branches.git",
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"f0eb272cc8f77803478c6748103a1450aa1abd37",
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"",
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[]expectChange{
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{Action: merkletrie.Delete, Name: "README.md"},
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},
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},
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{
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"https://github.com/githubtraining/example-branches.git",
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"f0eb272cc8f77803478c6748103a1450aa1abd37",
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"f0eb272cc8f77803478c6748103a1450aa1abd37",
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[]expectChange{},
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},
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{
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"https://github.com/github/gem-builder.git",
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"",
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"9608eed92b3839b06ebf72d5043da547de10ce85",
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[]expectChange{
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{Action: merkletrie.Insert, Name: "README"},
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{Action: merkletrie.Insert, Name: "gem_builder.rb"},
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{Action: merkletrie.Insert, Name: "gem_eval.rb"},
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},
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},
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{
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"https://github.com/github/gem-builder.git",
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"9608eed92b3839b06ebf72d5043da547de10ce85",
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"",
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[]expectChange{
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{Action: merkletrie.Delete, Name: "README"},
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{Action: merkletrie.Delete, Name: "gem_builder.rb"},
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{Action: merkletrie.Delete, Name: "gem_eval.rb"},
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},
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},
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{
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"https://github.com/github/gem-builder.git",
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"9608eed92b3839b06ebf72d5043da547de10ce85",
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"9608eed92b3839b06ebf72d5043da547de10ce85",
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[]expectChange{},
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},
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{
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"https://github.com/toqueteos/ts3.git",
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"",
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"764e914b75d6d6df1fc5d832aa9840f590abf1bb",
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[]expectChange{
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{Action: merkletrie.Insert, Name: "README.markdown"},
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{Action: merkletrie.Insert, Name: "examples/bot.go"},
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{Action: merkletrie.Insert, Name: "examples/raw_shell.go"},
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{Action: merkletrie.Insert, Name: "helpers.go"},
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{Action: merkletrie.Insert, Name: "ts3.go"},
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},
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},
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{
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"https://github.com/toqueteos/ts3.git",
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"764e914b75d6d6df1fc5d832aa9840f590abf1bb",
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"",
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[]expectChange{
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{Action: merkletrie.Delete, Name: "README.markdown"},
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{Action: merkletrie.Delete, Name: "examples/bot.go"},
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{Action: merkletrie.Delete, Name: "examples/raw_shell.go"},
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{Action: merkletrie.Delete, Name: "helpers.go"},
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{Action: merkletrie.Delete, Name: "ts3.go"},
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},
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},
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{
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"https://github.com/toqueteos/ts3.git",
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"764e914b75d6d6df1fc5d832aa9840f590abf1bb",
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"764e914b75d6d6df1fc5d832aa9840f590abf1bb",
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[]expectChange{},
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},
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{
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"https://github.com/github/gem-builder.git",
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"9608eed92b3839b06ebf72d5043da547de10ce85",
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"6c41e05a17e19805879689414026eb4e279f7de0",
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[]expectChange{
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{Action: merkletrie.Modify, Name: "gem_eval.rb"},
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},
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},
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{
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"https://github.com/github/gem-builder.git",
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"6c41e05a17e19805879689414026eb4e279f7de0",
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"89be3aac2f178719c12953cc9eaa23441f8d9371",
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[]expectChange{
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{Action: merkletrie.Modify, Name: "gem_eval.rb"},
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{Action: merkletrie.Insert, Name: "gem_eval_test.rb"},
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{Action: merkletrie.Insert, Name: "security.rb"},
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{Action: merkletrie.Insert, Name: "security_test.rb"},
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},
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},
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{
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"https://github.com/github/gem-builder.git",
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"89be3aac2f178719c12953cc9eaa23441f8d9371",
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"597240b7da22d03ad555328f15abc480b820acc0",
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[]expectChange{
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{Action: merkletrie.Modify, Name: "gem_eval.rb"},
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},
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},
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{
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"https://github.com/github/gem-builder.git",
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"597240b7da22d03ad555328f15abc480b820acc0",
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"0260380e375d2dd0e1a8fcab15f91ce56dbe778e",
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[]expectChange{
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{Action: merkletrie.Modify, Name: "gem_eval.rb"},
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{Action: merkletrie.Modify, Name: "gem_eval_test.rb"},
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{Action: merkletrie.Insert, Name: "lazy_dir.rb"},
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{Action: merkletrie.Insert, Name: "lazy_dir_test.rb"},
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{Action: merkletrie.Modify, Name: "security.rb"},
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{Action: merkletrie.Modify, Name: "security_test.rb"},
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},
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},
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{
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"https://github.com/github/gem-builder.git",
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"0260380e375d2dd0e1a8fcab15f91ce56dbe778e",
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"597240b7da22d03ad555328f15abc480b820acc0",
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[]expectChange{
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{Action: merkletrie.Modify, Name: "gem_eval.rb"},
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{Action: merkletrie.Modify, Name: "gem_eval_test.rb"},
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{Action: merkletrie.Delete, Name: "lazy_dir.rb"},
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{Action: merkletrie.Delete, Name: "lazy_dir_test.rb"},
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{Action: merkletrie.Modify, Name: "security.rb"},
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{Action: merkletrie.Modify, Name: "security_test.rb"},
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},
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},
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{
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"https://github.com/github/gem-builder.git",
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"0260380e375d2dd0e1a8fcab15f91ce56dbe778e",
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"ca9fd470bacb6262eb4ca23ee48bb2f43711c1ff",
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[]expectChange{
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{Action: merkletrie.Modify, Name: "gem_eval.rb"},
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{Action: merkletrie.Modify, Name: "security.rb"},
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{Action: merkletrie.Modify, Name: "security_test.rb"},
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},
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},
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{
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"https://github.com/github/gem-builder.git",
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"fe3c86745f887c23a0d38c85cfd87ca957312f86",
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"b7e3f636febf7a0cd3ab473b6d30081786d2c5b6",
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[]expectChange{
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{Action: merkletrie.Modify, Name: "gem_eval.rb"},
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{Action: merkletrie.Modify, Name: "gem_eval_test.rb"},
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{Action: merkletrie.Insert, Name: "git_mock"},
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{Action: merkletrie.Modify, Name: "lazy_dir.rb"},
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{Action: merkletrie.Modify, Name: "lazy_dir_test.rb"},
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{Action: merkletrie.Modify, Name: "security.rb"},
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},
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},
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{
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"https://github.com/rumpkernel/rumprun-xen.git",
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"1831e47b0c6db750714cd0e4be97b5af17fb1eb0",
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"51d8515578ea0c88cc8fc1a057903675cf1fc16c",
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[]expectChange{
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{Action: merkletrie.Modify, Name: "Makefile"},
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{Action: merkletrie.Modify, Name: "netbsd_init.c"},
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{Action: merkletrie.Modify, Name: "rumphyper_stubs.c"},
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{Action: merkletrie.Delete, Name: "sysproxy.c"},
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},
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},
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{
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"https://github.com/rumpkernel/rumprun-xen.git",
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"1831e47b0c6db750714cd0e4be97b5af17fb1eb0",
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"e13e678f7ee9badd01b120889e0ec5fdc8ae3802",
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[]expectChange{
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{Action: merkletrie.Modify, Name: "app-tools/rumprun"},
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},
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},
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} {
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f := fixtures.ByURL(t.repository).One()
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sto := s.storageFromPackfile(f)
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var tree1, tree2 *Tree
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var err error
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if t.commit1 != "" {
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tree1, err = s.commitFromStorer(c, sto,
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plumbing.NewHash(t.commit1)).Tree()
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c.Assert(err, IsNil,
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Commentf("subtest %d: unable to retrieve tree from commit %s and repo %s: %s", i, t.commit1, t.repository, err))
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}
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if t.commit2 != "" {
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tree2, err = s.commitFromStorer(c, sto,
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plumbing.NewHash(t.commit2)).Tree()
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c.Assert(err, IsNil,
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Commentf("subtest %d: unable to retrieve tree from commit %s and repo %s", i, t.commit2, t.repository, err))
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}
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obtained, err := DiffTree(tree1, tree2)
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c.Assert(err, IsNil,
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Commentf("subtest %d: unable to calculate difftree: %s", i, err))
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obtainedFromMethod, err := tree1.Diff(tree2)
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c.Assert(err, IsNil,
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Commentf("subtest %d: unable to calculate difftree: %s. Result calling Diff method from Tree object returns an error", i, err))
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c.Assert(obtained, DeepEquals, obtainedFromMethod)
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c.Assert(equalChanges(obtained, t.expected, c), Equals, true,
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Commentf("subtest:%d\nrepo=%s\ncommit1=%s\ncommit2=%s\nexpected=%s\nobtained=%s",
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i, t.repository, t.commit1, t.commit2, t.expected, obtained))
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assertChanges(obtained, c)
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}
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}
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func (s *DiffTreeSuite) TestIssue279(c *C) {
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// treeNoders should have the same hash when their mode is
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// filemode.Deprecated and filemode.Regular.
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a := &treeNoder{
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hash: plumbing.NewHash("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"),
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mode: filemode.Regular,
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}
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b := &treeNoder{
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hash: plumbing.NewHash("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"),
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mode: filemode.Deprecated,
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}
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c.Assert(a.Hash(), DeepEquals, b.Hash())
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// yet, they should have different hashes if their contents change.
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aa := &treeNoder{
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hash: plumbing.NewHash("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"),
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mode: filemode.Regular,
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}
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c.Assert(a.Hash(), Not(DeepEquals), aa.Hash())
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bb := &treeNoder{
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hash: plumbing.NewHash("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"),
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mode: filemode.Deprecated,
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}
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c.Assert(b.Hash(), Not(DeepEquals), bb.Hash())
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}
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