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-rw-r--r--plumbing/format/idxfile/idxfile_test.go154
1 files changed, 154 insertions, 0 deletions
diff --git a/plumbing/format/idxfile/idxfile_test.go b/plumbing/format/idxfile/idxfile_test.go
new file mode 100644
index 0000000..d15accf
--- /dev/null
+++ b/plumbing/format/idxfile/idxfile_test.go
@@ -0,0 +1,154 @@
+package idxfile_test
+
+import (
+ "bytes"
+ "encoding/base64"
+ "fmt"
+ "io"
+ "testing"
+
+ "gopkg.in/src-d/go-git.v4/plumbing"
+ "gopkg.in/src-d/go-git.v4/plumbing/format/idxfile"
+
+ . "gopkg.in/check.v1"
+ "gopkg.in/src-d/go-git-fixtures.v3"
+)
+
+func BenchmarkFindOffset(b *testing.B) {
+ idx, err := fixtureIndex()
+ if err != nil {
+ b.Fatalf(err.Error())
+ }
+
+ for i := 0; i < b.N; i++ {
+ for _, h := range fixtureHashes {
+ _, err := idx.FindOffset(h)
+ if err != nil {
+ b.Fatalf("error getting offset: %s", err)
+ }
+ }
+ }
+}
+
+func BenchmarkFindCRC32(b *testing.B) {
+ idx, err := fixtureIndex()
+ if err != nil {
+ b.Fatalf(err.Error())
+ }
+
+ for i := 0; i < b.N; i++ {
+ for _, h := range fixtureHashes {
+ _, err := idx.FindCRC32(h)
+ if err != nil {
+ b.Fatalf("error getting crc32: %s", err)
+ }
+ }
+ }
+}
+
+func BenchmarkContains(b *testing.B) {
+ idx, err := fixtureIndex()
+ if err != nil {
+ b.Fatalf(err.Error())
+ }
+
+ for i := 0; i < b.N; i++ {
+ for _, h := range fixtureHashes {
+ ok, err := idx.Contains(h)
+ if err != nil {
+ b.Fatalf("error checking if hash is in index: %s", err)
+ }
+
+ if !ok {
+ b.Error("expected hash to be in index")
+ }
+ }
+ }
+}
+
+func BenchmarkEntries(b *testing.B) {
+ idx, err := fixtureIndex()
+ if err != nil {
+ b.Fatalf(err.Error())
+ }
+
+ for i := 0; i < b.N; i++ {
+ iter, err := idx.Entries()
+ if err != nil {
+ b.Fatalf("unexpected error getting entries: %s", err)
+ }
+
+ var entries int
+ for {
+ _, err := iter.Next()
+ if err != nil {
+ if err == io.EOF {
+ break
+ }
+
+ b.Errorf("unexpected error getting entry: %s", err)
+ }
+
+ entries++
+ }
+
+ if entries != len(fixtureHashes) {
+ b.Errorf("expecting entries to be %d, got %d", len(fixtureHashes), entries)
+ }
+ }
+}
+
+type IndexSuite struct {
+ fixtures.Suite
+}
+
+var _ = Suite(&IndexSuite{})
+
+func (s *IndexSuite) TestFindHash(c *C) {
+ idx, err := fixtureIndex()
+ c.Assert(err, IsNil)
+
+ for i, pos := range fixtureOffsets {
+ hash, err := idx.FindHash(pos)
+ c.Assert(err, IsNil)
+ c.Assert(hash, Equals, fixtureHashes[i])
+ }
+}
+
+var fixtureHashes = []plumbing.Hash{
+ plumbing.NewHash("303953e5aa461c203a324821bc1717f9b4fff895"),
+ plumbing.NewHash("5296768e3d9f661387ccbff18c4dea6c997fd78c"),
+ plumbing.NewHash("03fc8d58d44267274edef4585eaeeb445879d33f"),
+ plumbing.NewHash("8f3ceb4ea4cb9e4a0f751795eb41c9a4f07be772"),
+ plumbing.NewHash("e0d1d625010087f79c9e01ad9d8f95e1628dda02"),
+ plumbing.NewHash("90eba326cdc4d1d61c5ad25224ccbf08731dd041"),
+ plumbing.NewHash("bab53055add7bc35882758a922c54a874d6b1272"),
+ plumbing.NewHash("1b8995f51987d8a449ca5ea4356595102dc2fbd4"),
+ plumbing.NewHash("35858be9c6f5914cbe6768489c41eb6809a2bceb"),
+}
+
+var fixtureOffsets = []int64{
+ 12,
+ 142,
+ 1601322837,
+ 2646996529,
+ 3452385606,
+ 3707047470,
+ 5323223332,
+ 5894072943,
+ 5924278919,
+}
+
+func fixtureIndex() (*idxfile.MemoryIndex, error) {
+ f := bytes.NewBufferString(fixtureLarge4GB)
+
+ idx := new(idxfile.MemoryIndex)
+
+ d := idxfile.NewDecoder(base64.NewDecoder(base64.StdEncoding, f))
+ err := d.Decode(idx)
+ if err != nil {
+ return nil, fmt.Errorf("unexpected error decoding index: %s", err)
+ }
+
+ return idx, nil
+}