milvus/internal/config/config_test.go
Enwei Jiao c05b9ad539
Add event dispatcher for config (#20393)
Signed-off-by: Enwei Jiao <enwei.jiao@zilliz.com>

Signed-off-by: Enwei Jiao <enwei.jiao@zilliz.com>
2022-11-17 18:59:09 +08:00

142 lines
3.7 KiB
Go

// Licensed to the LF AI & Data foundation 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 config
import (
"context"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
"go.etcd.io/etcd/server/v3/embed"
"go.etcd.io/etcd/server/v3/etcdserver/api/v3client"
)
func TestConfigFromEnv(t *testing.T) {
mgr, _ := Init()
_, err := mgr.GetConfig("test.env")
assert.EqualError(t, err, "key not found: test.env")
t.Setenv("TEST_ENV", "value")
mgr, _ = Init(WithEnvSource(formatKey))
v, err := mgr.GetConfig("test.env")
assert.Nil(t, err)
assert.Equal(t, "value", v)
v, err = mgr.GetConfig("TEST_ENV")
assert.Nil(t, err)
assert.Equal(t, "value", v)
}
func TestConfigFromRemote(t *testing.T) {
cfg, _ := embed.ConfigFromFile("../../configs/advanced/etcd.yaml")
cfg.Dir = "/tmp/milvus/test"
e, err := embed.StartEtcd(cfg)
assert.Nil(t, err)
defer e.Close()
defer os.RemoveAll(cfg.Dir)
client := v3client.New(e.Server)
t.Setenv("TMP_KEY", "1")
t.Setenv("log.level", "info")
mgr, _ := Init(WithEnvSource(formatKey),
WithFilesSource(&FileInfo{"../../configs/milvus.yaml", -1}),
WithEtcdSource(&EtcdInfo{
Endpoints: []string{cfg.ACUrls[0].Host},
KeyPrefix: "test",
RefreshInterval: 10 * time.Millisecond,
}))
ctx := context.Background()
t.Run("origin is empty", func(t *testing.T) {
_, err = mgr.GetConfig("test.etcd")
assert.EqualError(t, err, "key not found: test.etcd")
client.KV.Put(ctx, "test/config/test/etcd", "value")
time.Sleep(100 * time.Millisecond)
v, err := mgr.GetConfig("test.etcd")
assert.Nil(t, err)
assert.Equal(t, "value", v)
v, err = mgr.GetConfig("TEST_ETCD")
assert.Nil(t, err)
assert.Equal(t, "value", v)
client.KV.Delete(ctx, "test/config/test/etcd")
time.Sleep(100 * time.Millisecond)
_, err = mgr.GetConfig("TEST_ETCD")
assert.EqualError(t, err, "key not found: TEST_ETCD")
})
t.Run("override origin value", func(t *testing.T) {
v, _ := mgr.GetConfig("tmp.key")
assert.Equal(t, "1", v)
client.KV.Put(ctx, "test/config/tmp/key", "2")
time.Sleep(100 * time.Millisecond)
v, _ = mgr.GetConfig("tmp.key")
assert.Equal(t, "2", v)
client.KV.Put(ctx, "test/config/tmp/key", "3")
time.Sleep(100 * time.Millisecond)
v, _ = mgr.GetConfig("tmp.key")
assert.Equal(t, "3", v)
client.KV.Delete(ctx, "test/config/tmp/key")
time.Sleep(100 * time.Millisecond)
v, _ = mgr.GetConfig("tmp.key")
assert.Equal(t, "1", v)
})
t.Run("multi priority", func(t *testing.T) {
v, _ := mgr.GetConfig("log.level")
assert.Equal(t, "info", v)
client.KV.Put(ctx, "test/config/log/level", "error")
time.Sleep(100 * time.Millisecond)
v, _ = mgr.GetConfig("log.level")
assert.Equal(t, "error", v)
client.KV.Delete(ctx, "test/config/log/level")
time.Sleep(100 * time.Millisecond)
v, _ = mgr.GetConfig("log.level")
assert.Equal(t, "info", v)
})
t.Run("close manager", func(t *testing.T) {
mgr.Close()
client.KV.Put(ctx, "test/config/test/etcd", "value2")
time.Sleep(100)
_, err = mgr.GetConfig("test.etcd")
assert.EqualError(t, err, "key not found: test.etcd")
})
}