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/*
* Copyright 2025 The RuleGo Authors.
*
* Licensed 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 streamsql
import (
"fmt"
"strings"
"sync"
"testing"
"time"
"github.com/rulego/streamsql/types"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// TestStreamSQLPerformanceModesExtended 测试不同性能模式的配置
func TestStreamSQLPerformanceModesExtended(t *testing.T) {
t.Run("default performance mode", func(t *testing.T) {
ssql := New()
assert.Equal(t, "default", ssql.performanceMode)
assert.Nil(t, ssql.customConfig)
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
assert.NotNil(t, ssql.stream)
ssql.Stop()
})
t.Run("high performance mode", func(t *testing.T) {
ssql := New(WithHighPerformance())
assert.Equal(t, "high_performance", ssql.performanceMode)
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
assert.NotNil(t, ssql.stream)
ssql.Stop()
})
t.Run("low latency mode", func(t *testing.T) {
ssql := New(WithLowLatency())
assert.Equal(t, "low_latency", ssql.performanceMode)
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
assert.NotNil(t, ssql.stream)
ssql.Stop()
})
t.Run("zero data loss mode", func(t *testing.T) {
ssql := New(WithZeroDataLoss())
assert.Equal(t, "zero_data_loss", ssql.performanceMode)
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
assert.NotNil(t, ssql.stream)
ssql.Stop()
})
t.Run("custom performance mode", func(t *testing.T) {
customConfig := types.DefaultPerformanceConfig()
customConfig.BufferConfig.DataChannelSize = 2000
ssql := New(WithCustomPerformance(customConfig))
assert.Equal(t, "custom", ssql.performanceMode)
assert.NotNil(t, ssql.customConfig)
assert.Equal(t, 2000, ssql.customConfig.BufferConfig.DataChannelSize)
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
assert.NotNil(t, ssql.stream)
ssql.Stop()
})
t.Run("custom mode with nil config", func(t *testing.T) {
ssql := New()
ssql.performanceMode = "custom"
ssql.customConfig = nil
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
assert.NotNil(t, ssql.stream)
ssql.Stop()
})
}
// TestStreamSQLFieldOrder 测试字段顺序保持功能
func TestStreamSQLFieldOrder(t *testing.T) {
t.Run("field order preservation", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT name, id, value FROM stream")
require.NoError(t, err)
// 验证字段顺序被正确保存
expectedOrder := []string{"name", "id", "value"}
assert.Equal(t, expectedOrder, ssql.fieldOrder)
ssql.Stop()
})
t.Run("field order with aliases", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT name as device_name, id as device_id FROM stream")
require.NoError(t, err)
// 验证别名字段顺序
expectedOrder := []string{"device_name", "device_id"}
assert.Equal(t, expectedOrder, ssql.fieldOrder)
ssql.Stop()
})
}
// TestStreamSQLPrintTableFormat 测试表格打印功能
func TestStreamSQLPrintTableFormat(t *testing.T) {
t.Run("print table format with data", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT id, name FROM stream")
require.NoError(t, err)
// 测试 printTableFormat 方法
testResults := []map[string]interface{}{
{"id": 1, "name": "test1"},
{"id": 2, "name": "test2"},
}
// 这个方法主要是打印输出，我们确保它不会panic
assert.NotPanics(t, func() {
ssql.printTableFormat(testResults)
})
ssql.Stop()
})
t.Run("print table format with empty data", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
// 测试空数据
emptyResults := []map[string]interface{}{}
assert.NotPanics(t, func() {
ssql.printTableFormat(emptyResults)
})
ssql.Stop()
})
t.Run("print table format with nil field order", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
// 清空字段顺序
ssql.fieldOrder = nil
testResults := []map[string]interface{}{
{"id": 1},
}
assert.NotPanics(t, func() {
ssql.printTableFormat(testResults)
})
ssql.Stop()
})
}
// TestStreamSQLToChannel 测试通道功能
func TestStreamSQLToChannel(t *testing.T) {
t.Run("to channel with aggregation query", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT COUNT(*) FROM stream GROUP BY TumblingWindow('1s')")
require.NoError(t, err)
// 获取结果通道
resultChan := ssql.ToChannel()
assert.NotNil(t, resultChan)
// 启动goroutine接收结果
var wg sync.WaitGroup
wg.Add(1)
var receivedResults [][]map[string]interface{}
go func() {
defer wg.Done()
timeout := time.After(3 * time.Second)
for {
select {
case result := <-resultChan:
if result != nil {
receivedResults = append(receivedResults, result)
return
}
case <-timeout:
return
}
}
}()
// 发送一些数据
for i := 0; i < 5; i++ {
ssql.Emit(map[string]interface{}{"id": i})
}
// 等待结果
wg.Wait()
ssql.Stop()
// 验证至少收到了一些结果
assert.GreaterOrEqual(t, len(receivedResults), 0)
})
t.Run("to channel with non-aggregation query", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
resultChan := ssql.ToChannel()
assert.NotNil(t, resultChan)
ssql.Stop()
})
}
// TestStreamSQLMultipleOptions 测试多个配置选项组合
func TestStreamSQLMultipleOptions(t *testing.T) {
t.Run("multiple options combination", func(t *testing.T) {
// 组合多个配置选项
ssql := New(
WithHighPerformance(),
WithDiscardLog(),
)
assert.Equal(t, "high_performance", ssql.performanceMode)
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
ssql.Stop()
})
t.Run("override performance mode", func(t *testing.T) {
// 后面的选项应该覆盖前面的
ssql := New(
WithHighPerformance(),
WithLowLatency(),
)
assert.Equal(t, "low_latency", ssql.performanceMode)
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
ssql.Stop()
})
}
// TestStreamSQLExecuteErrorHandling 测试Execute方法的错误处理
func TestStreamSQLExecuteErrorHandling(t *testing.T) {
t.Run("stream creation failure simulation", func(t *testing.T) {
ssql := New()
// 使用一个可能导致stream创建失败的SQL
err := ssql.Execute("SELECT invalid_function() FROM test_stream")
require.NotNil(t, err)
require.Contains(t, err.Error(), "function")
})
t.Run("filter registration failure", func(t *testing.T) {
ssql := New()
// 使用可能导致过滤器注册失败的SQL
err := ssql.Execute("SELECT id FROM stream WHERE INVALID_CONDITION")
if err != nil {
// 如果有错误，应该包含相关信息
assert.True(t,
strings.Contains(err.Error(), "SQL parsing failed") ||
strings.Contains(err.Error(), "failed to register filter condition") ||
strings.Contains(err.Error(), "failed to create stream processor"))
}
})
}
// TestStreamSQLConcurrentAccess 测试并发访问安全性
func TestStreamSQLConcurrentAccess(t *testing.T) {
t.Run("concurrent emit and stop", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
var wg sync.WaitGroup
numWorkers := 10
// 启动多个goroutine并发发送数据
for i := 0; i < numWorkers; i++ {
wg.Add(1)
go func(workerID int) {
defer wg.Done()
for j := 0; j < 100; j++ {
ssql.Emit(map[string]interface{}{"id": workerID*100 + j})
}
}(i)
}
// 等待一段时间后停止
time.Sleep(100 * time.Millisecond)
ssql.Stop()
wg.Wait()
})
t.Run("concurrent method calls", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
var wg sync.WaitGroup
numWorkers := 5
// 并发调用各种方法
for i := 0; i < numWorkers; i++ {
wg.Add(1)
go func() {
defer wg.Done()
// 这些方法调用应该是安全的
_ = ssql.GetStats()
_ = ssql.GetDetailedStats()
_ = ssql.IsAggregationQuery()
_ = ssql.Stream()
_ = ssql.ToChannel()
ssql.AddSink(func(results []map[string]interface{}) {})
}()
}
wg.Wait()
ssql.Stop()
})
}
// TestStreamSQLEdgeCasesAdditional 测试额外的边界情况
func TestStreamSQLEdgeCasesAdditional(t *testing.T) {
t.Run("execute with different performance modes after creation", func(t *testing.T) {
ssql := New()
// 先用默认模式执行
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
ssql.Stop()
// 改变性能模式后再次执行应该失败，因为已经执行过了
ssql.performanceMode = "high_performance"
err = ssql.Execute("SELECT name FROM stream")
require.Error(t, err)
require.Contains(t, err.Error(), "Execute() has already been called")
// 不需要再次调用Stop()，因为第二次Execute失败了
})
t.Run("field order with complex query", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT COUNT(*) as cnt, AVG(value) as avg_val, deviceId FROM stream GROUP BY deviceId")
require.NoError(t, err)
// 验证复杂查询的字段顺序
expectedOrder := []string{"cnt", "avg_val", "deviceId"}
assert.Equal(t, expectedOrder, ssql.fieldOrder)
ssql.Stop()
})
t.Run("print table with field order", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT name, id, value FROM stream")
require.NoError(t, err)
// 设置字段顺序
ssql.fieldOrder = []string{"name", "id", "value"}
// 测试PrintTable方法
assert.NotPanics(t, func() {
ssql.PrintTable()
})
ssql.Stop()
})
}
// TestStreamSQLEmitSync 测试EmitSync方法的各种情况
func TestStreamSQLEmitSync(t *testing.T) {
t.Run("emit sync with uninitialized stream", func(t *testing.T) {
ssql := New()
// 在没有执行SQL的情况下调用EmitSync
result, err := ssql.EmitSync(map[string]interface{}{"id": 1})
require.Error(t, err)
require.Nil(t, result)
require.Contains(t, err.Error(), "stream not initialized")
})
t.Run("emit sync with aggregation query", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT COUNT(*) FROM stream GROUP BY id")
require.NoError(t, err)
// 对聚合查询调用EmitSync应该返回错误
result, err := ssql.EmitSync(map[string]interface{}{"id": 1})
require.Error(t, err)
require.Nil(t, result)
require.Contains(t, err.Error(), "synchronous mode only supports non-aggregation queries")
ssql.Stop()
})
t.Run("emit sync with non-aggregation query", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT id, name FROM stream WHERE id > 0")
require.NoError(t, err)
// 对非聚合查询调用EmitSync
data := map[string]interface{}{"id": 1, "name": "test"}
result, err := ssql.EmitSync(data)
// 根据实际实现，这里可能成功或失败
if err != nil {
t.Logf("EmitSync error (expected): %v", err)
} else {
t.Logf("EmitSync result: %v", result)
}
ssql.Stop()
})
}
// TestStreamSQLCustomPerformanceConfig 测试自定义性能配置
func TestStreamSQLCustomPerformanceConfig(t *testing.T) {
t.Run("custom performance config with nil config", func(t *testing.T) {
ssql := New()
ssql.performanceMode = "custom"
ssql.customConfig = nil // 设置为nil
// 执行SQL时应该回退到默认配置
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
ssql.Stop()
})
t.Run("custom performance config with valid config", func(t *testing.T) {
customConfig := types.PerformanceConfig{
BufferConfig: types.BufferConfig{
DataChannelSize: 1000,
ResultChannelSize: 100,
WindowOutputSize: 50,
},
WorkerConfig: types.WorkerConfig{
SinkPoolSize: 4,
SinkWorkerCount: 2,
},
}
ssql := New(WithCustomPerformance(customConfig))
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
require.Equal(t, "custom", ssql.performanceMode)
require.Equal(t, &customConfig, ssql.customConfig)
ssql.Stop()
})
}
// TestStreamSQLStatsMethods 测试统计信息相关方法
func TestStreamSQLStatsMethods(t *testing.T) {
t.Run("get stats with uninitialized stream", func(t *testing.T) {
ssql := New()
stats := ssql.GetStats()
require.NotNil(t, stats)
require.Equal(t, 0, len(stats))
})
t.Run("get detailed stats with uninitialized stream", func(t *testing.T) {
ssql := New()
detailedStats := ssql.GetDetailedStats()
require.NotNil(t, detailedStats)
require.Equal(t, 0, len(detailedStats))
})
t.Run("get stats with initialized stream", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
stats := ssql.GetStats()
require.NotNil(t, stats)
detailedStats := ssql.GetDetailedStats()
require.NotNil(t, detailedStats)
ssql.Stop()
})
t.Run("is aggregation query method", func(t *testing.T) {
// 测试未初始化的情况
ssql := New()
require.False(t, ssql.IsAggregationQuery())
// 测试非聚合查询
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
isAgg := ssql.IsAggregationQuery()
t.Logf("Is aggregation query: %v", isAgg)
ssql.Stop()
// 测试聚合查询
ssql2 := New()
err = ssql2.Execute("SELECT COUNT(*) FROM stream GROUP BY id")
require.NoError(t, err)
isAgg2 := ssql2.IsAggregationQuery()
t.Logf("Is aggregation query (with GROUP BY): %v", isAgg2)
ssql2.Stop()
})
}
// TestStreamSQLNilAndEdgeCases 测试空值和边界情况
func TestStreamSQLNilAndEdgeCases(t *testing.T) {
t.Run("emit with nil stream", func(t *testing.T) {
ssql := New()
// 在没有执行SQL的情况下调用Emit
assert.NotPanics(t, func() {
ssql.Emit(map[string]interface{}{"id": 1})
})
})
t.Run("add sink with nil stream", func(t *testing.T) {
ssql := New()
// 在没有执行SQL的情况下调用AddSink
assert.NotPanics(t, func() {
ssql.AddSink(func(results []map[string]interface{}) {
t.Log("Sink called")
})
})
})
t.Run("to channel with nil stream", func(t *testing.T) {
ssql := New()
// 在没有执行SQL的情况下调用ToChannel
resultChan := ssql.ToChannel()
require.Nil(t, resultChan)
})
t.Run("stream method with nil stream", func(t *testing.T) {
ssql := New()
// 在没有执行SQL的情况下调用Stream
stream := ssql.Stream()
require.Nil(t, stream)
})
t.Run("stop with nil stream", func(t *testing.T) {
ssql := New()
// 在没有执行SQL的情况下调用Stop
assert.NotPanics(t, func() {
ssql.Stop()
})
})
t.Run("print table format with empty results", func(t *testing.T) {
ssql := New()
ssql.fieldOrder = []string{"id", "name"}
// 测试空结果的表格打印
assert.NotPanics(t, func() {
ssql.printTableFormat([]map[string]interface{}{})
})
})
t.Run("print table format with nil field order", func(t *testing.T) {
ssql := New()
ssql.fieldOrder = nil
results := []map[string]interface{}{
{"id": 1, "name": "test"},
}
// 测试nil字段顺序的表格打印
assert.NotPanics(t, func() {
ssql.printTableFormat(results)
})
})
}
// TestStreamSQLComplexScenarios 测试复杂场景
func TestStreamSQLComplexScenarios(t *testing.T) {
t.Run("multiple execute calls", func(t *testing.T) {
ssql := New()
// 第一次执行
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
ssql.Stop()
// 第二次执行应该失败，因为已经执行过了
err = ssql.Execute("SELECT name FROM stream")
require.Error(t, err)
require.Contains(t, err.Error(), "Execute() has already been called")
})
t.Run("performance mode switching", func(t *testing.T) {
// 测试所有性能模式
modes := []string{"default", "high_performance", "low_latency", "zero_data_loss"}
for _, mode := range modes {
t.Run(fmt.Sprintf("mode_%s", mode), func(t *testing.T) {
ssql := New()
ssql.performanceMode = mode
err := ssql.Execute("SELECT id FROM stream")
require.NoError(t, err)
require.Equal(t, mode, ssql.performanceMode)
ssql.Stop()
})
}
})
t.Run("field order preservation", func(t *testing.T) {
ssql := New()
err := ssql.Execute("SELECT z, a, m, b FROM stream")
require.NoError(t, err)
// 验证字段顺序被正确保存
expectedOrder := []string{"z", "a", "m", "b"}
require.Equal(t, expectedOrder, ssql.fieldOrder)
ssql.Stop()
})
}