Support JSON and template format with nomad CLI

command/data_format_test.go

@@ -0,0 +1,41 @@
+package command
+
+import (
+	"testing"
+)
+
+type testData struct {
+	Region string
+	ID     string
+	Name   string
+}
+
+const expectJSON = `{
+    "Region": "global",
+    "ID": "1",
+    "Name": "example"
+}`
+
+var (
+	tData        = testData{"global", "1", "example"}
+	testFormat   = map[string]string{"json": "", "template": "{{.Region}}"}
+	expectOutput = map[string]string{"json": expectJSON, "template": "global"}
+)
+
+func TestDataFormat(t *testing.T) {
+	for k, v := range testFormat {
+		fm, err := DataFormat(k, v)
+		if err != nil {
+			t.Fatalf("err: %v", err)
+		}
+
+		result, err := fm.TransformData(tData)
+		if err != nil {
+			t.Fatalf("err: %v", err)
+		}
+
+		if result != expectOutput[k] {
+			t.Fatalf("expected output: %s, actual: %s", expectOutput[k], result)
+		}
+	}
+}