Merge remote-tracking branch 'upstream/master' into cherrypick-commit

1 files changed, 60 insertions, 0 deletions

diff --git a/mempack_test.go b/mempack_test.go
new file mode 100644
index 0000000..3e31dcf
--- /dev/null
+++ b/mempack_test.go
@@ -0,0 +1,60 @@
+package git
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestMempack(t *testing.T) {
+	t.Parallel()
+
+	odb, err := NewOdb()
+	checkFatal(t, err)
+
+	repo, err := NewRepositoryWrapOdb(odb)
+	checkFatal(t, err)
+
+	mempack, err := NewMempack(odb)
+	checkFatal(t, err)
+
+	id, err := odb.Write([]byte("hello, world!"), ObjectBlob)
+	checkFatal(t, err)
+
+	expectedId, err := NewOid("30f51a3fba5274d53522d0f19748456974647b4f")
+	checkFatal(t, err)
+	if !expectedId.Equal(id) {
+		t.Errorf("mismatched id. expected %v, got %v", expectedId.String(), id.String())
+	}
+
+	// The object should be available from the odb.
+	{
+		obj, err := odb.Read(expectedId)
+		checkFatal(t, err)
+		defer obj.Free()
+	}
+
+	data, err := mempack.Dump(repo)
+	checkFatal(t, err)
+
+	expectedData := []byte{
+		0x50, 0x41, 0x43, 0x4b, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
+		0x02, 0x9d, 0x08, 0x82, 0x3b, 0xd8, 0xa8, 0xea, 0xb5, 0x10, 0xad, 0x6a,
+		0xc7, 0x5c, 0x82, 0x3c, 0xfd, 0x3e, 0xd3, 0x1e,
+	}
+	if !bytes.Equal(expectedData, data) {
+		t.Errorf("mismatched mempack data. expected %v, got %v", expectedData, data)
+	}
+
+	mempack.Reset()
+
+	// After the reset, the object should now be unavailable.
+	{
+		obj, err := odb.Read(expectedId)
+		if err == nil {
+			t.Errorf("object %s unexpectedly found", obj.Id().String())
+			obj.Free()
+		} else if !IsErrorCode(err, ErrNotFound) {
+			t.Errorf("unexpected error %v", err)
+		}
+	}
+}