1 files changed, 40 insertions, 0 deletions
diff --git a/skate/map_test.go b/skate/map_test.go
index a439d33..a81cb3d 100644
--- a/skate/map_test.go
+++ b/skate/map_test.go
@@ -149,6 +149,46 @@ func TestMapperTitleSandcrawler(t *testing.T) {
 	}
 }
 
+func TestAsTSV(t *testing.T) {
+	var cases = []struct {
+		f    Mapper
+		err  error
+		want string
+	}{
+		{
+			f: Mapper(func(_ []byte) ([][]byte, error) {
+				return [][]byte{
+					[]byte("a"),
+					[]byte("b"),
+					[]byte("c"),
+				}, nil
+			}),
+			err:  nil,
+			want: "a\tb\tc\n",
+		},
+		{
+			f: Mapper(func(_ []byte) ([][]byte, error) {
+				return [][]byte{
+					[]byte("a"),
+					[]byte("b"),
+					[]byte("c\n"),
+				}, nil
+			}),
+			err:  nil,
+			want: "a\tb\tc\n",
+		},
+	}
+	for _, c := range cases {
+		got, err := c.f.AsTSV([]byte{})
+		if err != c.err {
+			t.Fatalf("got %v, want nil", got)
+		}
+		if string(got) != c.want {
+			t.Fatalf("got %v, want %v", string(got), c.want)
+		}
+	}
+}
+
 func prettySlice(p [][]byte) (result []string) {
 	result = make([]string, len(p))
 	for i, v := range p {