milvus/pkg/config/config_test.go

356 lines
10 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"
"encoding/json"
"os"
"path/filepath"
"testing"
"time"
"github.com/cockroachdb/errors"
"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.ErrorIs(t, err, ErrKeyNotFound)
t.Setenv("TEST_ENV", "value")
mgr, _ = Init(WithEnvSource(formatKey))
_, v, err := mgr.GetConfig("test.env")
assert.NoError(t, err)
assert.Equal(t, "value", v)
_, v, err = mgr.GetConfig("TEST_ENV")
assert.NoError(t, err)
assert.Equal(t, "value", v)
}
func TestComplexArrayAndStruct(t *testing.T) {
// Create a temporary YAML file with complex array structures
yamlContent := `
test:
simpleArray:
- item1
- item2
- item3
complexArray:
- name: region1
seeds:
- n1
- n2
- n3
- name: region2
seeds:
- n4
- n5
- n6
nestedConfig:
placement:
- name: replica-1
region: default-region-pool
az: az-1
resourceGroup: rg.*
- name: replica-2
region: default-region-pool
az: az-2
resourceGroup: rg.*
scalarValue: 10000
`
// Create temporary file
tmpDir := t.TempDir()
tmpFile := filepath.Join(tmpDir, "test_complex_array_and_struct_config.yaml")
err := os.WriteFile(tmpFile, []byte(yamlContent), 0o600)
assert.NoError(t, err)
// Initialize manager with temporary file
mgr, err := Init(WithFilesSource(&FileInfo{[]string{tmpFile}, -1}))
assert.NoError(t, err)
t.Run("test complex array serialization", func(t *testing.T) {
// Test complexArray with structs containing nested arrays
_, v, err := mgr.GetConfig("test.complexArray")
assert.NoError(t, err)
// Should be a JSON string
expectedComplexArray := `[{"name":"region1","seeds":["n1","n2","n3"]},{"name":"region2","seeds":["n4","n5","n6"]}]`
assert.JSONEq(t, expectedComplexArray, v)
// Test placement array with structs
_, v, err = mgr.GetConfig("test.nestedConfig.placement")
assert.NoError(t, err)
// Should be a JSON string
expectedPlacementArray := `[{"az":"az-1","name":"replica-1","region":"default-region-pool","resourceGroup":"rg.*"},{"az":"az-2","name":"replica-2","region":"default-region-pool","resourceGroup":"rg.*"}]`
assert.JSONEq(t, expectedPlacementArray, v)
})
t.Run("test simple array serialization", func(t *testing.T) {
// Test that simple arrays still work with comma-separated values
_, v, err := mgr.GetConfig("test.simpleArray")
assert.NoError(t, err)
assert.Equal(t, "item1,item2,item3", v)
// Test scalar values still work
_, v, err = mgr.GetConfig("test.scalarValue")
assert.NoError(t, err)
assert.Equal(t, "10000", v)
})
}
func TestComplexArrayAndMixStruct(t *testing.T) {
testCases := []struct {
name string
yamlContent string
configKey string
expectedJSON string // Expected JSON string if correctly detected as complex array
expectedSimple string // Expected comma-separated string if incorrectly treated as simple array
shouldBeJSON bool // Whether it should be serialized as JSON (complex) or comma-separated (simple)
}{
{
name: "mixed array with simple first element",
yamlContent: `
test:
mixedArray1:
- 1
- key: value
name: test
`,
configKey: "test.mixedArray1",
expectedJSON: `[1,{"key":"value","name":"test"}]`,
expectedSimple: "1", // Bug: only first element would be serialized
shouldBeJSON: true,
},
{
name: "mixed array with nil first element",
yamlContent: `
test:
mixedArray2:
- null
- key: value
name: test
`,
configKey: "test.mixedArray2",
expectedJSON: `[null,{"key":"value","name":"test"}]`,
expectedSimple: "", // Bug: nil would be skipped or cause issues
shouldBeJSON: true,
},
{
name: "mixed array with string first element",
yamlContent: `
test:
mixedArray3:
- "simple"
- key: value
nested:
field: data
`,
configKey: "test.mixedArray3",
expectedJSON: `["simple",{"key":"value","nested":{"field":"data"}}]`,
expectedSimple: "simple", // Bug: only first element would be serialized
shouldBeJSON: true,
},
{
name: "array with complex first element (should work correctly)",
yamlContent: `
test:
mixedArray4:
- key: value
name: test
- 1
- "string"
`,
configKey: "test.mixedArray4",
expectedJSON: `[{"key":"value","name":"test"},1,"string"]`,
expectedSimple: "", // This should work correctly (first element is complex)
shouldBeJSON: true,
},
{
name: "array with multiple complex elements after simple ones",
yamlContent: `
test:
mixedArray5:
- 1
- 2
- key: value1
- key: value2
`,
configKey: "test.mixedArray5",
expectedJSON: `[1,2,{"key":"value1"},{"key":"value2"}]`,
expectedSimple: "1,2", // Bug: only simple elements would be serialized
shouldBeJSON: true,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
// Create temporary file
tmpDir := t.TempDir()
tmpFile := filepath.Join(tmpDir, "test_mixed_array_config.yaml")
err := os.WriteFile(tmpFile, []byte(tc.yamlContent), 0o600)
assert.NoError(t, err)
// Initialize manager with temporary file
mgr, err := Init(WithFilesSource(&FileInfo{[]string{tmpFile}, -1}))
assert.NoError(t, err)
// Get config value
_, v, err := mgr.GetConfig(tc.configKey)
assert.NoError(t, err)
if tc.shouldBeJSON {
// Should be serialized as JSON (complex array)
// The bug would cause it to be serialized as simple array (comma-separated)
// So we check that it's NOT the simple format, and is valid JSON
assert.NotEqual(t, tc.expectedSimple, v,
"Bug detected: Array was incorrectly serialized as simple array instead of JSON. "+
"Expected JSON format but got: %s", v)
// Verify it's valid JSON by trying to unmarshal
var result []interface{}
err = json.Unmarshal([]byte(v), &result)
assert.NoError(t, err, "Value should be valid JSON, but got: %s", v)
// Verify it contains the complex element
hasComplexElement := false
for _, item := range result {
switch item.(type) {
case map[string]interface{}:
hasComplexElement = true
}
}
assert.True(t, hasComplexElement,
"JSON should contain at least one complex element (map), but got: %s", v)
// If we have the expected JSON, verify it matches
if tc.expectedJSON != "" {
// Normalize both JSON strings for comparison (handle key ordering)
var expectedParsed, actualParsed interface{}
err1 := json.Unmarshal([]byte(tc.expectedJSON), &expectedParsed)
err2 := json.Unmarshal([]byte(v), &actualParsed)
if err1 == nil && err2 == nil {
assert.Equal(t, expectedParsed, actualParsed,
"JSON content should match expected value")
}
}
} else {
// Should be serialized as simple array (comma-separated)
assert.JSONEq(t, tc.expectedSimple, v)
}
})
}
}
func TestConfigFromRemote(t *testing.T) {
cfg, _ := embed.ConfigFromFile("../../configs/advanced/etcd.yaml")
cfg.Dir = t.TempDir()
e, err := embed.StartEtcd(cfg)
assert.NoError(t, err)
defer e.Close()
client := v3client.New(e.Server)
t.Setenv("TMP_KEY", "1")
t.Setenv("log.level", "info")
mgr, _ := Init(WithEnvSource(formatKey),
WithFilesSource(&FileInfo{[]string{"../../configs/milvus.yaml"}, -1}),
WithEtcdSource(&EtcdInfo{
Endpoints: []string{cfg.AdvertiseClientUrls[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.ErrorIs(t, err, ErrKeyNotFound)
client.KV.Put(ctx, "test/config/test/etcd", "value")
time.Sleep(100 * time.Millisecond)
_, v, err := mgr.GetConfig("test.etcd")
assert.NoError(t, err)
assert.Equal(t, "value", v)
_, v, err = mgr.GetConfig("TEST_ETCD")
assert.NoError(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.ErrorIs(t, err, ErrKeyNotFound)
})
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")
assert.Eventually(t, func() bool {
_, _, err = mgr.GetConfig("test.etcd")
return err != nil && errors.Is(err, ErrKeyNotFound)
}, 300*time.Millisecond, 10*time.Millisecond)
})
}