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6c34386ff2
Related to #44761 Refactor proxy shard client management by creating a new internal/proxy/shardclient package. This improves code organization and modularity by: - Moving load balancing logic (LookAsideBalancer, RoundRobinBalancer) to shardclient package - Extracting shard client manager and related interfaces into separate package - Relocating shard leader management and client lifecycle code - Adding package documentation (README.md, OWNERS) - Updating proxy code to use the new shardclient package interfaces This change makes the shard client functionality more maintainable and better encapsulated, reducing coupling in the proxy layer. Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package shardclient
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/suite"
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"github.com/milvus-io/milvus/pkg/v2/util/merr"
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)
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type RoundRobinBalancerSuite struct {
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suite.Suite
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balancer *RoundRobinBalancer
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}
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func (s *RoundRobinBalancerSuite) SetupTest() {
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s.balancer = NewRoundRobinBalancer()
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s.balancer.Start(context.Background())
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}
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func TestSelectNode(t *testing.T) {
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balancer := NewRoundRobinBalancer()
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// Test case 1: Empty availableNodes
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_, err1 := balancer.SelectNode(context.Background(), []int64{}, 0)
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if err1 != merr.ErrNodeNotAvailable {
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t.Errorf("Expected ErrNodeNotAvailable, got %v", err1)
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}
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// Test case 2: Non-empty availableNodes
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availableNodes := []int64{1, 2, 3}
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selectedNode2, err2 := balancer.SelectNode(context.Background(), availableNodes, 0)
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if err2 != nil {
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t.Errorf("Expected no error, got %v", err2)
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}
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if selectedNode2 < 1 || selectedNode2 > 3 {
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t.Errorf("Expected a node in the range [1, 3], got %d", selectedNode2)
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}
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// Test case 3: Boundary case
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availableNodes = []int64{1}
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selectedNode3, err3 := balancer.SelectNode(context.Background(), availableNodes, 0)
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if err3 != nil {
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t.Errorf("Expected no error, got %v", err3)
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}
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if selectedNode3 != 1 {
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t.Errorf("Expected 1, got %d", selectedNode3)
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}
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}
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func TestRoundRobinBalancerSuite(t *testing.T) {
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suite.Run(t, new(RoundRobinBalancerSuite))
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}
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