[FEATURE] Migrate and Enhance Adaptive Service Throttling in dubbo-go

cluster/utils/adaptivesvc.go

@@ -35,12 +35,12 @@ func DoesAdaptiveServiceReachLimitation(err error) bool {
 	if err == nil {
 		return false
 	}
-	return err.Error() == ReachLimitationErrorString
+	return strings.HasSuffix(err.Error(), ReachLimitationErrorString)
 }
 
 func IsAdaptiveServiceFailed(err error) bool {
 	if err == nil {
 		return false
 	}
-	return strings.HasPrefix(err.Error(), adaptivesvc.ErrAdaptiveSvcInterrupted.Error())
+	return strings.Contains(err.Error(), adaptivesvc.ErrAdaptiveSvcInterrupted.Error())
 }

cluster/utils/adaptivesvc_test.go

@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package utils
+
+import (
+	"errors"
+	"testing"
+)
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDoesAdaptiveServiceReachLimitation(t *testing.T) {
+	assert.False(t, DoesAdaptiveServiceReachLimitation(nil))
+	assert.True(t, DoesAdaptiveServiceReachLimitation(errors.New(ReachLimitationErrorString)))
+	assert.True(t, DoesAdaptiveServiceReachLimitation(errors.New("unknown: "+ReachLimitationErrorString)))
+	assert.False(t, DoesAdaptiveServiceReachLimitation(errors.New("adaptive service interrupted: another error")))
+}
+
+func TestIsAdaptiveServiceFailed(t *testing.T) {
+	assert.False(t, IsAdaptiveServiceFailed(nil))
+	assert.True(t, IsAdaptiveServiceFailed(errors.New("adaptive service interrupted: reach limitation")))
+	assert.True(t, IsAdaptiveServiceFailed(errors.New("unknown: adaptive service interrupted: reach limitation")))
+	assert.False(t, IsAdaptiveServiceFailed(errors.New("unavailable: network error")))
+}