Fix network timeouts in template tests (#10272)

charger/openwb.go

@@ -77,7 +77,7 @@ func NewOpenWB(log *util.Logger, mqttconf mqtt.Config, id int, topic string, p1p
 	// check if loadpoint configured
 	configured := boolG(fmt.Sprintf("%s/lp/%d/%s", topic, id, openwb.ConfiguredTopic))
 	if isConfigured, err := configured(); err != nil || !isConfigured {
-		return nil, fmt.Errorf("openWB loadpoint %d is not configured", id)
+		return nil, fmt.Errorf("loadpoint %d is not configured", id)
 	}
 
 	// adapt plugged/charging to status

charger/template_test.go

@@ -17,8 +17,10 @@ var acceptable = []string{
 	"hciconfig provided no response",
 	"connect: no route to host",
 	"connect: connection refused",
+	"connector already registered: 1", // ocpp
 	"error connecting: Network Error",
 	"i/o timeout",
+	"loadpoint 1 is not configured", // openWB
 	"recv timeout",
 	"(Client.Timeout exceeded while awaiting headers)",
 	"can only have either uri or device", // modbus

util/templates/render_testing.go

@@ -35,51 +35,55 @@ func TestClass(t *testing.T, class Class, instantiate func(t *testing.T, values
 	for _, tmpl := range ByClass(class) {
 		tmpl := tmpl
 
-		t.Run(tmpl.Template, func(t *testing.T) {
-			// set default values for all params
-			values := tmpl.Defaults(TemplateRenderModeUnitTest)
+		// set default values for all params
+		values := tmpl.Defaults(TemplateRenderModeUnitTest)
 
-			// set the template value which is needed for rendering
-			values["template"] = tmpl.Template
-
-			// set modbus default test values
-			if values[ParamModbus] != nil {
-				modbusChoices := tmpl.ModbusChoices()
-				// we only test one modbus setup
-				if slices.Contains(modbusChoices, ModbusChoiceTCPIP) {
-					values[ModbusKeyTCPIP] = true
-				} else {
-					values[ModbusKeyRS485TCPIP] = true
-				}
-				tmpl.ModbusValues(TemplateRenderModeUnitTest, values)
+		// set modbus default test values
+		if values[ParamModbus] != nil {
+			modbusChoices := tmpl.ModbusChoices()
+			// we only test one modbus setup
+			if slices.Contains(modbusChoices, ModbusChoiceTCPIP) {
+				values[ModbusKeyTCPIP] = true
+			} else {
+				values[ModbusKeyRS485TCPIP] = true
 			}
+			tmpl.ModbusValues(TemplateRenderModeUnitTest, values)
+		}
+
+		// set the template value which is needed for rendering
+		values["template"] = tmpl.Template
+		// https://github.com/evcc-io/evcc/pull/10272 - override example IP (192.0.2.2)
+		values["host"] = "localhost"
+
+		usages := tmpl.Usages()
+		if len(usages) == 0 {
+			t.Run(tmpl.Template, func(t *testing.T) {
+				t.Parallel()
 
-			usages := tmpl.Usages()
-			if len(usages) == 0 {
 				test(t, tmpl, values, func(values map[string]interface{}) {
 					instantiate(t, values)
 				})
+			})
 
-				return
+			return
+		}
+
+		for _, u := range usages {
+			// create a copy of the map for parallel execution
+			usageValues := make(map[string]interface{}, len(values)+1)
+			if err := copier.Copy(&usageValues, values); err != nil {
+				panic(err)
 			}
+			usageValues[ParamUsage] = u
 
-			for _, u := range usages {
-				// create a copy of the map for parallel execution
-				usageValues := make(map[string]interface{}, len(values)+1)
-				if err := copier.Copy(&usageValues, values); err != nil {
-					panic(err)
-				}
-				usageValues[ParamUsage] = u
+			// subtest for each usage
+			t.Run(u, func(t *testing.T) {
+				t.Parallel()
 
-				// subtest for each usage
-				t.Run(u, func(t *testing.T) {
-					t.Parallel()
-
-					test(t, tmpl, usageValues, func(values map[string]interface{}) {
-						instantiate(t, values)
-					})
+				test(t, tmpl, usageValues, func(values map[string]interface{}) {
+					instantiate(t, values)
 				})
-			}
-		})
+			})
+		}
 	}
 }