1 files changed, 40 insertions, 0 deletions
diff --git a/skate/reduce_test.go b/skate/reduce_test.go
index 172547b..65f3305 100644
--- a/skate/reduce_test.go
+++ b/skate/reduce_test.go
@@ -435,6 +435,46 @@ func TestZippyExact(t *testing.T) {
 	}
 }
 
+func TestZippyBrefAugment(t *testing.T) {
+	var cases = []struct {
+		a, b, out string
+		err       error
+	}{
+		{
+			a:   "testdata/zippy/cB00a.json",
+			b:   "testdata/zippy/cB00b.json",
+			out: "testdata/zippy/cB00r.json",
+			err: nil,
+		},
+	}
+	timeNow = func() time.Time {
+		return time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC)
+	}
+	for i, c := range cases {
+		a, b, err := xio.OpenTwo(c.a, c.b)
+		if err != nil {
+			t.Errorf("failed to open test files: %v, %v", c.a, c.b)
+		}
+		var buf bytes.Buffer
+		err = ZippyBrefAugment(a, b, &buf)
+		if err != c.err {
+			t.Errorf("[%d] got %v, want %v", i, err, c.err)
+		}
+		ok, err := testutil.BufferFileEquals(&buf, c.out)
+		if err != nil {
+			t.Errorf("failed to open test file: %v", c.out)
+		}
+		if !ok {
+			filename, err := testutil.BufferToTemp(&buf)
+			if err != nil {
+				t.Logf("could not write temp file: %v", err)
+			}
+			t.Errorf("[%d] output mismatch (buffer length=%d, content=%v), want %v",
+				i, buf.Len(), filename, c.out)
+		}
+	}
+}
+
 func TestCutBatch(t *testing.T) {
 	var cases = []struct {
 		lines  []string