1 files changed, 32 insertions, 0 deletions
diff --git a/skate/zipkey/batch_test.go b/skate/zipkey/batch_test.go
new file mode 100644
index 0000000..7c6a48c
--- /dev/null
+++ b/skate/zipkey/batch_test.go
@@ -0,0 +1,32 @@
+package zipkey
+
+import (
+	"bytes"
+	"encoding/json"
+	"strings"
+	"testing"
+)
+
+func TestBatcher(t *testing.T) {
+	var (
+		buf bytes.Buffer
+		enc = json.NewEncoder(&buf)
+		f   = func(g *Group) error {
+			return enc.Encode(g)
+		}
+		b = NewBatcher(groupFunc(f))
+	)
+	b.GroupFunc(&Group{
+		Key: "K1",
+		G0:  []string{"A"},
+		G1:  []string{"B"},
+	})
+	b.Close()
+	var (
+		got  = strings.TrimSpace(buf.String())
+		want = `{"Key":"K1","G0":["A"],"G1":["B"]}`
+	)
+	if got != want {
+		t.Fatalf("got %v, want %v", got, want)
+	}
+}