feat: add test to cover defaults

plugins/outputs/groundwork/groundwork.go

@@ -36,6 +36,9 @@ const sampleConfig = `
 
   ## The name of the tag that contains the hostname.
   # resource_tag = "host"
+
+  ## The name of the tag that contains the host group name.
+  # group_tag = "group"
 `
 
 type metricMeta struct {

plugins/outputs/groundwork/groundwork_test.go

@@ -20,9 +20,53 @@ const (
 	defaultHost        = "telegraf"
 )
 
-func TestWrite(t *testing.T) {
+func TestWriteWithDefaults(t *testing.T) {
 	// Generate test metric with default name to test Write logic
-	floatMetric := testutil.TestMetric(1.0, "Float")
+	intMetric := testutil.TestMetric(42, "IntMetric")
+
+	// Simulate Groundwork server that should receive custom metrics
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		body, err := ioutil.ReadAll(r.Body)
+		require.NoError(t, err)
+
+		// Decode body to use in assertions below
+		var obj groundworkObject
+		err = json.Unmarshal(body, &obj)
+		require.NoError(t, err)
+
+		// Check if server gets valid metrics object
+		require.Equal(t, defaultTestAgentID, obj.Context.AgentID)
+		require.Equal(t, defaultHost, obj.Resources[0].Name)
+		require.Equal(t, "IntMetric", obj.Resources[0].Services[0].Name)
+		require.Equal(t, int64(42), obj.Resources[0].Services[0].Metrics[0].Value.IntegerValue)
+		require.Equal(t, 0, len(obj.Groups))
+
+		_, err = fmt.Fprintln(w, `OK`)
+		require.NoError(t, err)
+	}))
+
+	i := Groundwork{
+		Server:      server.URL,
+		AgentID:     defaultTestAgentID,
+		DefaultHost: defaultHost,
+		client: clients.GWClient{
+			AppName: "telegraf",
+			AppType: "TELEGRAF",
+			GWConnection: &clients.GWConnection{
+				HostName: server.URL,
+			},
+		},
+	}
+
+	err := i.Write([]telegraf.Metric{intMetric})
+	require.NoError(t, err)
+
+	defer server.Close()
+}
+
+func TestWriteWithTags(t *testing.T) {
+	// Generate test metric with tags to test Write logic
+	floatMetric := testutil.TestMetric(1.0, "FloatMetric")
 	floatMetric.AddTag("host", "Host01")
 	floatMetric.AddTag("group", "Group01")
 
@@ -39,7 +83,7 @@ func TestWrite(t *testing.T) {
 		// Check if server gets valid metrics object
 		require.Equal(t, defaultTestAgentID, obj.Context.AgentID)
 		require.Equal(t, "Host01", obj.Resources[0].Name)
-		require.Equal(t, "Float", obj.Resources[0].Services[0].Name)
+		require.Equal(t, "FloatMetric", obj.Resources[0].Services[0].Name)
 		require.Equal(t, 1.0, obj.Resources[0].Services[0].Metrics[0].Value.DoubleValue)
 		require.Equal(t, "Group01", obj.Groups[0].GroupName)
 		require.Equal(t, "Host01", obj.Groups[0].Resources[0].Name)
@@ -51,9 +95,9 @@ func TestWrite(t *testing.T) {
 	i := Groundwork{
 		Server:      server.URL,
 		AgentID:     defaultTestAgentID,
+		DefaultHost: defaultHost,
 		GroupTag:    "group",
 		ResourceTag: "host",
-		DefaultHost: "telegraf",
 		client: clients.GWClient{
 			AppName: "telegraf",
 			AppType: "TELEGRAF",
@@ -79,8 +123,8 @@ type groundworkObject struct {
 			Name    string `json:"name"`
 			Metrics []struct {
 				Value struct {
-					StringValue string  `json:"stringValue"`
-					DoubleValue float64 `json:"doubleValue"`
+					DoubleValue  float64 `json:"doubleValue"`
+					IntegerValue int64   `json:"integerValue"`
 				} `json:"value"`
 			}
 		} `json:"services"`