tree_blob: add tests (#58)

Author: unknwon

tree_blob_test.go

@@ -25,3 +25,33 @@ func TestTree_TreeEntry(t *testing.T) {
 	assert.Equal(t, ObjectTree, e.Type())
 	assert.True(t, e.IsTree())
 }
+
+func TestTree_Blob(t *testing.T) {
+	tree, err := testrepo.LsTree("d58e3ef9f123eea6857161c79275ee22b228f659")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Run("not a blob", func(t *testing.T) {
+		_, err := tree.Blob("src")
+		assert.Equal(t, ErrNotBlob, err)
+	})
+
+	t.Run("get a blob", func(t *testing.T) {
+		b, err := tree.Blob("README.txt")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		assert.True(t, b.IsBlob())
+	})
+
+	t.Run("get an executable as blob", func(t *testing.T) {
+		b, err := tree.Blob("run.sh")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		assert.True(t, b.IsExec())
+	})
+}