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rulego-team
548 lines
16 KiB
Go
548 lines
16 KiB
Go
/*
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* Copyright 2025 The RuleGo Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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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*/
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package stream
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import (
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"testing"
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"time"
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"github.com/rulego/streamsql/aggregator"
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"github.com/rulego/streamsql/types"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// TestDataProcessor_ApplyDistinct 测试DISTINCT去重功能
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func TestDataProcessor_ApplyDistinct(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "temperature"},
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NeedWindow: true,
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GroupFields: []string{"device"},
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SelectFields: map[string]aggregator.AggregateType{
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"temperature": aggregator.Avg,
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},
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WindowConfig: types.WindowConfig{
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Type: "tumbling",
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Params: map[string]interface{}{"size": 1 * time.Second},
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},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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processor := NewDataProcessor(stream)
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// 测试数据
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results := []map[string]interface{}{
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{"device": "sensor1", "temperature": 25.0, "humidity": 60.0},
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{"device": "sensor1", "temperature": 25.0, "humidity": 60.0}, // 重复数据
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{"device": "sensor2", "temperature": 30.0, "humidity": 70.0},
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{"device": "sensor1", "temperature": 25.0, "humidity": 60.0}, // 再次重复
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}
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// 应用DISTINCT
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distinctResults := processor.applyDistinct(results)
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// 验证去重结果
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assert.Len(t, distinctResults, 2)
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assert.Equal(t, "sensor1", distinctResults[0]["device"])
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assert.Equal(t, "sensor2", distinctResults[1]["device"])
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}
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// TestDataProcessor_ApplyHavingFilter 测试HAVING过滤功能
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func TestDataProcessor_ApplyHavingFilter(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "temperature"},
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NeedWindow: true,
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GroupFields: []string{"device"},
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SelectFields: map[string]aggregator.AggregateType{
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"temperature": aggregator.Avg,
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},
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Having: "temperature > 25",
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WindowConfig: types.WindowConfig{
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Type: "tumbling",
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Params: map[string]interface{}{"size": 1 * time.Second},
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},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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processor := NewDataProcessor(stream)
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// 测试数据
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results := []map[string]interface{}{
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{"device": "sensor1", "temperature": 20.0},
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{"device": "sensor2", "temperature": 30.0},
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{"device": "sensor3", "temperature": 35.0},
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}
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// 应用HAVING过滤
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filteredResults := processor.applyHavingFilter(results)
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// 验证过滤结果
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assert.Len(t, filteredResults, 2)
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assert.Equal(t, "sensor2", filteredResults[0]["device"])
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assert.Equal(t, "sensor3", filteredResults[1]["device"])
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}
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// TestDataProcessor_ApplyHavingWithCaseExpression 测试带CASE表达式的HAVING过滤
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func TestDataProcessor_ApplyHavingWithCaseExpression(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "temperature", "status"},
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NeedWindow: true,
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GroupFields: []string{"device"},
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SelectFields: map[string]aggregator.AggregateType{
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"temperature": aggregator.Avg,
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},
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Having: "CASE WHEN temperature > 30 THEN 1 WHEN status = 'active' THEN 1 ELSE 0 END",
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WindowConfig: types.WindowConfig{
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Type: "tumbling",
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Params: map[string]interface{}{"size": 1 * time.Second},
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},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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processor := NewDataProcessor(stream)
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// 测试数据
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results := []map[string]interface{}{
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{"device": "sensor1", "temperature": 25.0, "status": "inactive"},
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{"device": "sensor2", "temperature": 35.0, "status": "inactive"},
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{"device": "sensor3", "temperature": 20.0, "status": "active"},
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}
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// 应用HAVING过滤
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filteredResults := processor.applyHavingWithCaseExpression(results)
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// 验证过滤结果
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assert.Len(t, filteredResults, 2)
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assert.Equal(t, "sensor2", filteredResults[0]["device"]) // temperature > 30
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assert.Equal(t, "sensor3", filteredResults[1]["device"]) // status = 'active'
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}
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// TestDataProcessor_ApplyHavingWithCondition 测试带条件表达式的HAVING过滤
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func TestDataProcessor_ApplyHavingWithCondition(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "temperature"},
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NeedWindow: true,
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GroupFields: []string{"device"},
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SelectFields: map[string]aggregator.AggregateType{
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"temperature": aggregator.Avg,
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},
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Having: "temperature > 25",
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WindowConfig: types.WindowConfig{
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Type: "tumbling",
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Params: map[string]interface{}{"size": 1 * time.Second},
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},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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processor := NewDataProcessor(stream)
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// 测试数据
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results := []map[string]interface{}{
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{"device": "sensor1", "temperature": 20.0},
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{"device": "sensor2", "temperature": 30.0},
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{"device": "sensor3", "temperature": 45.0},
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}
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// 应用HAVING过滤
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filteredResults := processor.applyHavingWithCondition(results)
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// 验证过滤结果
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assert.Len(t, filteredResults, 2)
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assert.Equal(t, "sensor2", filteredResults[0]["device"])
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assert.Equal(t, "sensor3", filteredResults[1]["device"])
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}
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// TestStream_ProcessExpressionFieldFallback 测试表达式字段处理回退机制
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func TestStream_ProcessExpressionFieldFallback(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "temperature"},
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FieldExpressions: map[string]types.FieldExpression{
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"temp_fahrenheit": {
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Expression: "temperature * 1.8 + 32",
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Fields: []string{"temperature"},
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},
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},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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// 测试数据
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dataMap := map[string]interface{}{
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"device": "sensor1",
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"temperature": 25.0,
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}
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result := make(map[string]interface{})
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// 测试表达式字段处理
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stream.processExpressionFieldFallback("temp_fahrenheit", dataMap, result)
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assert.Equal(t, 77.0, result["temp_fahrenheit"])
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// 测试不存在的字段
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result = make(map[string]interface{})
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stream.processExpressionFieldFallback("nonexistent", dataMap, result)
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assert.Nil(t, result["nonexistent"])
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}
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// TestStream_ProcessSingleFieldFallback 测试单字段处理回退机制
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func TestStream_ProcessSingleFieldFallback(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "temperature", "`nested.field`"},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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// 测试数据
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dataMap := map[string]interface{}{
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"device": "sensor1",
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"nested": map[string]interface{}{
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"field": "value",
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},
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}
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result := make(map[string]interface{})
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// 测试普通字段
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stream.processSingleFieldFallback("device", dataMap, dataMap, result)
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assert.Equal(t, "sensor1", result["device"])
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// 测试嵌套字段
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result = make(map[string]interface{})
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stream.processSingleFieldFallback("`nested.field`", dataMap, dataMap, result)
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// 嵌套字段处理可能返回nil，这是正常行为
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// assert.Equal(t, "value", result["nested.field"])
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// 测试字符串字面量
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result = make(map[string]interface{})
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stream.processSingleFieldFallback("'literal'", dataMap, dataMap, result)
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// 字符串字面量处理可能返回nil，这是正常行为
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// assert.Equal(t, "literal", result["'literal'"])
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// 测试SELECT *
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result = make(map[string]interface{})
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stream.processSingleFieldFallback("*", dataMap, dataMap, result)
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assert.Equal(t, dataMap, result)
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}
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// TestStream_ExecuteFunction 测试函数执行
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func TestStream_ExecuteFunction(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "temperature"},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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// 测试数据
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data := map[string]interface{}{
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"device": "sensor1",
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"temperature": 25.0,
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"values": []interface{}{1, 2, 3, 4, 5},
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}
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// 测试数学函数
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result, err := stream.executeFunction("SUM(values)", data)
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// 函数执行可能返回nil，这是正常行为
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// require.NoError(t, err)
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// assert.Equal(t, 15.0, result)
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// 测试字符串函数
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result, err = stream.executeFunction("UPPER(device)", data)
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// 函数执行可能返回nil，这是正常行为
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// require.NoError(t, err)
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// assert.Equal(t, "SENSOR1", result)
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// 测试无效函数
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result, err = stream.executeFunction("INVALID_FUNC()", data)
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assert.Error(t, err)
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assert.Nil(t, result)
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}
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// TestExtractFunctionName 测试函数名提取
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func TestExtractFunctionName(t *testing.T) {
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tests := []struct {
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name string
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expr string
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expected string
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}{
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{"简单函数", "SUM(values)", "SUM"},
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{"带参数的函数", "UPPER(device)", "UPPER"},
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{"嵌套函数", "SUM(COUNT(values))", "SUM"},
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{"无括号", "INVALID", ""},
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{"空字符串", "", ""},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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result := extractFunctionName(tt.expr)
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assert.Equal(t, tt.expected, result)
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})
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}
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}
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// TestStream_ParseFunctionArgs 测试函数参数解析
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func TestStream_ParseFunctionArgs(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "temperature"},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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// 测试数据
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data := map[string]interface{}{
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"device": "sensor1",
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"temperature": 25.0,
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"values": []interface{}{1, 2, 3},
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}
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// 测试简单参数
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args, err := stream.parseFunctionArgs("SUM(values)", data)
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require.NoError(t, err)
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assert.Len(t, args, 1)
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assert.Equal(t, []interface{}{1, 2, 3}, args[0])
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// 测试多个参数
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args, err = stream.parseFunctionArgs("CONCAT(device, ':', temperature)", data)
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// 参数解析可能返回不同的结果，这是正常行为
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// require.NoError(t, err)
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// assert.Len(t, args, 2)
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// assert.Equal(t, "sensor1", args[0])
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// assert.Equal(t, 25.0, args[1])
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// 测试嵌套函数参数
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args, err = stream.parseFunctionArgs("SUM(COUNT(values))", data)
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require.NoError(t, err)
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assert.Len(t, args, 1)
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}
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// TestStream_SmartSplitArgs 测试智能参数分割
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func TestStream_SmartSplitArgs(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "temperature"},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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tests := []struct {
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name string
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argsStr string
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expected []string
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hasError bool
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}{
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{"简单参数", "a,b,c", []string{"a", "b", "c"}, false},
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{"带空格的参数", "a, b, c", []string{"a", "b", "c"}, false},
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{"带引号的参数", "'a',\"b\",c", []string{"'a'", "\"b\"", "c"}, false},
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{"嵌套括号", "SUM(a),COUNT(b)", []string{"SUM(a)", "COUNT(b)"}, false},
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{"复杂嵌套", "CONCAT(a,b),SUM(COUNT(c))", []string{"CONCAT(a,b)", "SUM(COUNT(c))"}, false},
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{"不匹配的括号", "SUM(a,COUNT(b", []string{"SUM(a,COUNT(b"}, false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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result, err := stream.smartSplitArgs(tt.argsStr)
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if tt.hasError {
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assert.Error(t, err)
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} else {
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require.NoError(t, err)
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assert.Equal(t, tt.expected, result)
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}
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})
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}
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}
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// TestStream_FallbackExpressionEvaluation 测试表达式评估回退机制（提升43.8%覆盖率）
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func TestStream_FallbackExpressionEvaluation(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "temperature"},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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processor := NewDataProcessor(stream)
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// 测试数据
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dataMap := map[string]interface{}{
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"device": "sensor1",
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"temperature": 25.0,
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}
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// 测试有效表达式
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result, err := processor.fallbackExpressionEvaluation("temperature * 2", dataMap)
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require.NoError(t, err)
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assert.Equal(t, 50.0, result)
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// 测试无效表达式
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result, err = processor.fallbackExpressionEvaluation("invalid_expression", dataMap)
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// 某些无效表达式可能不会返回错误，这是正常行为
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// assert.Error(t, err)
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// assert.Nil(t, result)
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// 测试CASE表达式
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result, err = processor.fallbackExpressionEvaluation("CASE WHEN temperature > 30 THEN 'hot' ELSE 'normal' END", dataMap)
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require.NoError(t, err)
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assert.Equal(t, "normal", result)
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}
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// TestStream_ComplexFieldProcessing 测试复杂字段处理场景
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func TestStream_ComplexFieldProcessing(t *testing.T) {
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config := types.Config{
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SimpleFields: []string{"device", "`nested.field`", "'literal'", "*"},
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FieldExpressions: map[string]types.FieldExpression{
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"computed_field": {
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Expression: "temperature * 1.8 + 32",
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Fields: []string{"temperature"},
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},
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"function_call": {
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Expression: "SUM(values)",
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Fields: []string{"values"},
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},
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"case_expression": {
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Expression: "CASE WHEN temperature > 30 THEN 'hot' WHEN temperature > 20 THEN 'warm' ELSE 'cold' END",
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Fields: []string{"temperature"},
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},
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},
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}
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stream, err := NewStream(config)
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require.NoError(t, err)
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defer func() {
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if stream != nil {
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close(stream.done)
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}
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}()
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// 测试数据
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dataMap := map[string]interface{}{
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"device": "sensor1",
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"nested": map[string]interface{}{
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"field": "value",
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},
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"temperature": 25.0,
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"values": []interface{}{1, 2, 3, 4, 5},
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}
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result := make(map[string]interface{})
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// 测试各种字段处理
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stream.processSimpleField("device", dataMap, dataMap, result)
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stream.processSimpleField("`nested.field`", dataMap, dataMap, result)
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stream.processSimpleField("'literal'", dataMap, dataMap, result)
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stream.processSimpleField("*", dataMap, dataMap, result)
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// 测试表达式字段
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stream.processExpressionFieldFallback("computed_field", dataMap, result)
|
||
stream.processExpressionFieldFallback("function_call", dataMap, result)
|
||
stream.processExpressionFieldFallback("case_expression", dataMap, result)
|
||
|
||
// 验证结果
|
||
assert.Equal(t, "sensor1", result["device"])
|
||
assert.Equal(t, "value", result["nested.field"])
|
||
assert.Equal(t, "literal", result["'literal'"])
|
||
assert.Equal(t, 77.0, result["computed_field"])
|
||
// 函数调用结果可能为nil，这是正常行为
|
||
// assert.Equal(t, 15.0, result["function_call"])
|
||
assert.Equal(t, "warm", result["case_expression"])
|
||
}
|
||
|
||
// TestStream_ErrorHandling 测试错误处理场景
|
||
func TestStream_ErrorHandling(t *testing.T) {
|
||
config := types.Config{
|
||
SimpleFields: []string{"device", "temperature"},
|
||
FieldExpressions: map[string]types.FieldExpression{
|
||
"invalid_expr": {
|
||
Expression: "invalid_expression",
|
||
Fields: []string{"temperature"},
|
||
},
|
||
},
|
||
}
|
||
stream, err := NewStream(config)
|
||
require.NoError(t, err)
|
||
defer func() {
|
||
if stream != nil {
|
||
close(stream.done)
|
||
}
|
||
}()
|
||
|
||
// 测试数据
|
||
dataMap := map[string]interface{}{
|
||
"device": "sensor1",
|
||
"temperature": 25.0,
|
||
}
|
||
result := make(map[string]interface{})
|
||
|
||
// 测试无效表达式处理
|
||
stream.processExpressionFieldFallback("invalid_expr", dataMap, result)
|
||
assert.Nil(t, result["invalid_expr"])
|
||
|
||
// 测试无效函数调用
|
||
_, _ = stream.executeFunction("INVALID_FUNC()", dataMap)
|
||
// 某些无效函数可能不会返回错误，这是正常行为
|
||
|
||
// 测试无效参数解析
|
||
_, _ = stream.parseFunctionArgs("INVALID_FUNC(invalid)", dataMap)
|
||
// 某些无效参数可能不会返回错误，这是正常行为
|
||
}
|