package index import ( "bytes" "path/filepath" "testing" . "gopkg.in/check.v1" "gopkg.in/src-d/go-git.v4/plumbing" "gopkg.in/src-d/go-git.v4/plumbing/format/index" "gopkg.in/src-d/go-git.v4/utils/merkletrie" "gopkg.in/src-d/go-git.v4/utils/merkletrie/noder" ) func Test(t *testing.T) { TestingT(t) } type NoderSuite struct{} var _ = Suite(&NoderSuite{}) func (s *NoderSuite) TestDiff(c *C) { indexA := &index.Index{ Entries: []*index.Entry{ {Name: "foo", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, {Name: "bar/foo", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, {Name: "bar/qux", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, {Name: "bar/baz/foo", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, }, } indexB := &index.Index{ Entries: []*index.Entry{ {Name: "foo", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, {Name: "bar/foo", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, {Name: "bar/qux", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, {Name: "bar/baz/foo", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, }, } ch, err := merkletrie.DiffTree(NewRootNode(indexA), NewRootNode(indexB), isEquals) c.Assert(err, IsNil) c.Assert(ch, HasLen, 0) } func (s *NoderSuite) TestDiffChange(c *C) { indexA := &index.Index{ Entries: []*index.Entry{{ Name: filepath.Join("bar", "baz", "bar"), Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d"), }}, } indexB := &index.Index{ Entries: []*index.Entry{{ Name: filepath.Join("bar", "baz", "foo"), Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d"), }}, } ch, err := merkletrie.DiffTree(NewRootNode(indexA), NewRootNode(indexB), isEquals) c.Assert(err, IsNil) c.Assert(ch, HasLen, 2) } func (s *NoderSuite) TestDiffDir(c *C) { indexA := &index.Index{ Entries: []*index.Entry{{ Name: "foo", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d"), }}, } indexB := &index.Index{ Entries: []*index.Entry{{ Name: filepath.Join("foo", "bar"), Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d"), }}, } ch, err := merkletrie.DiffTree(NewRootNode(indexA), NewRootNode(indexB), isEquals) c.Assert(err, IsNil) c.Assert(ch, HasLen, 2) } func (s *NoderSuite) TestDiffSameRoot(c *C) { indexA := &index.Index{ Entries: []*index.Entry{ {Name: "foo.go", Hash: plumbing.NewHash("aab686eafeb1f44702738c8b0f24f2567c36da6d")}, {Name: "foo/bar", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, }, } indexB := &index.Index{ Entries: []*index.Entry{ {Name: "foo/bar", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, {Name: "foo.go", Hash: plumbing.NewHash("8ab686eafeb1f44702738c8b0f24f2567c36da6d")}, }, } ch, err := merkletrie.DiffTree(NewRootNode(indexA), NewRootNode(indexB), isEquals) c.Assert(err, IsNil) c.Assert(ch, HasLen, 1) } var empty = make([]byte, 24) func isEquals(a, b noder.Hasher) bool { if bytes.Equal(a.Hash(), empty) || bytes.Equal(b.Hash(), empty) { return false } return bytes.Equal(a.Hash(), b.Hash()) }