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go/src/infra/libs/git/blob_test.go

Index: go/src/infra/libs/git/blob_test.go
diff --git a/go/src/infra/libs/git/blob_test.go b/go/src/infra/libs/git/blob_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..d5cc496c16beeeee3f0f0983d3dd81a64cefab87
--- /dev/null
+++ b/go/src/infra/libs/git/blob_test.go
@@ -0,0 +1,49 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package git
+
+import (
+	"fmt"
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestBlobFromRaw(t *testing.T) {
+	t.Parallel()
+
+	data := "Hello world!"
+	Convey(fmt.Sprintf("Simple Blob(%v) should Parse", data), t, func() {
+		b := NewBlobFromRaw([]byte(data))
+		So(b, ShouldNotBeNil)
+
+		hexpect := "6769dd60bdf536a83c9353272157893043e9f7d0"
+		Convey("Its hash should be "+hexpect, func() {
+			So(b.ID().String(), ShouldEqual, hexpect)
+		})
+
+		Convey("It should meet some basic criteria", func() {
+			So(b.Type(), ShouldEqual, BlobType)
+			So(b.Complete(), ShouldBeTrue)
+			So(b.String(), ShouldEqual, fmt.Sprintf("Blob(%s, <data len(%d)>)", hexpect, len(data)))
+
+			So(b, ShouldImplement, (*fmt.Stringer)(nil))
+			So(b, ShouldImplement, (*InternableObject)(nil))
+		})
+
+		Convey("Its content is what we started with", func() {
+			So(b.RawString(), ShouldEqual, data)
+		})
+
+	})
+
+	Convey("Blobs with IDs should also parse", t, func() {
+		hexpect := "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef"
+		b := NewBlobFromRawWithID(MakeObjectID(hexpect), []byte("sup"))
+		So(b, ShouldNotBeNil)
+		So(b.RawString(), ShouldEqual, "sup")
+		So(b.ID().String(), ShouldEqual, hexpect)
+	})
+}