694e6433cc
Add scalable regression testing framework(#7584) contains - Test framework making by groovy, and support built-in **readable DSL** named as `Action` - Demo exists in `${DORIS_HOME}/regression-test/data/demo` - Chinese doc exist in `${DORIS_HOME}/docs/zh-CN/developer-guide/regression-testing.md` English document coming soon
487 lines
16 KiB
Markdown
487 lines
16 KiB
Markdown
---
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{
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"title": "回归测试",
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"language": "zh-CN"
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}
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---
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<!--
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Licensed to the Apache Software Foundation (ASF) 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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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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# 回归测试
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## 概念
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1. `Suite`: 一个测试用例，目前仅用来指代测试用例文件名
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2. `Group`: 一个测试集，目前仅用于指代测试用例所属的目录
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3. `Action`: 一个封装好的具体测试行为，比如用于执行sql的`sql` Action，用于校验结果的`test` Action，用于导入数据的`streamLoad` Action等
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## 测试步骤
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1. 需要预先安装好集群
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2. 修改配置文件`${DORIS_HOME}/conf/regression-conf.groovy`，设置jdbc url、用户等配置项
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3. 创建测试用例文件并编写用例
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4. 如果用例文件包含`qt` Action，则需要创建关联的的data文件，比如`suites/demo/qt_action.groovy`这个例子，需要用到`data/demo/qt_action.out`这个TSV文件来校验输出是否一致
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5. 运行`${DORIS_HOME}/run-regression-test.sh`测试全部用例,或运行`${DORIS_HOME}/run-regression-test.sh --run <suiteName>` 测试若干用例，更多例子见"启动脚本例子"章节
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## 目录结构
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开发时需要关注的重要文件/目录
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1. `run-regression-test.sh`: 启动脚本
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2. `regression-conf.groovy`: 回归测试的默认配置
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3. `data`: 存放输入数据和输出校验数据
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4. `suites`: 存放用例
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```
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./${DORIS_HOME}
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|-- **run-regression-test.sh** 回归测试启动脚本
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|-- regression-test
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| |-- conf
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| | |-- logback.xml 日志配置文件
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| | |-- **regression-conf.groovy** 默认配置文件
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| |
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| |-- framework 回归测试框架源码
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| |-- **data** 用例的输入输出文件
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| | |-- demo 存放demo的输入输出文件
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| | |-- correctness 存放正确性测试用例的输入输出文件
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| | |-- performance 存放性能测试用例的输入输出文件
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| | |-- utils 存放其他工具的输入输出文件
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| |
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| |-- **suites** 回归测试用例
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| |-- demo 存放测试用例的demo
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| |-- correctness 存放正确性测试用例
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| |-- performance 存放性能测试用例
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| |-- utils 其他工具
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|-- output
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|-- regression-test
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|-- log 回归测试日志
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```
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## 框架默认配置
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测试时需要实际情况修改jdbc和fe的配置
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```groovy
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/* ============ 一般只需要关注下面这部分 ============ */
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// 默认DB,如果未创建,则会尝试创建这个db
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defaultDb = "regression_test"
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// Jdbc配置
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jdbcUrl = "jdbc:mysql://127.0.0.1:9030/?"
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jdbcUser = "root"
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jdbcPassword = ""
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// fe地址配置, 用于stream load
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feHttpAddress = "127.0.0.1:8030"
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feHttpUser = "root"
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feHttpPassword = ""
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/* ============ 一般不需要修改下面的部分 ============ */
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// DORIS_HOME变量是通过run-regression-test.sh传入的
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// 即 java -DDORIS_HOME=./
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// 设置回归测试用例的目录
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suitePath = "${DORIS_HOME}/regression-test/suites"
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// 设置输入输出数据的目录
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dataPath = "${DORIS_HOME}/regression-test/data"
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// 默认会读所有的组,读多个组可以用半角逗号隔开，如: "demo,performance"
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// 一般不需要在配置文件中修改，而是通过run-regression-test.sh来动态指定和覆盖
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testGroups = ""
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// 默认会读所有的用例, 同样可以使用run-regression-test.sh来动态指定和覆盖
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testSuites = ""
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// 其他自定义配置
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customConf1 = "test_custom_conf_value"
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```
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## 编写用例的步骤
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1. 进入`${DORIS_HOME}/regression-test`目录
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2. 根据测试的目的来选择用例的目录，正确性测试存在`suites/correctness`，而性能测试存在`suites/performance`
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3. 新建一个groovy用例文件，增加若干`Action`用于测试，Action讲在后续章节具体说明
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## Action
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Action是一个测试框架默认提供的测试行为，使用DSL来定义。
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### sql action
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sql action用于提交sql并获取结果，如果查询失败则会抛出异常
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参数如下
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- String sql: 输入的sql字符串
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- return List<List<Object>>: 查询结果，如果是DDL/DML，则返回一行一列，唯一的值是updateRowCount
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下面的样例代码存放于`${DORIS_HOME}/regression-test/suites/demo/sql_action.groovy`:
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```groovy
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// execute sql and ignore result
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sql "show databases"
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// execute sql and get result, outer List denote rows, inner List denote columns in a single row
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List<List<Object>> tables = sql "show tables"
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// assertXxx() will invoke junit5's Assertions.assertXxx() dynamically
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assertTrue(tables.size() >= 0) // test rowCount >= 0
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// syntax error
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try {
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sql "a b c d e"
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throw new IllegalStateException("Should be syntax error")
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} catch (java.sql.SQLException t) {
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assertTrue(true)
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}
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def testTable = "test_sql_action1"
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try {
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sql "DROP TABLE IF EXISTS ${testTable}"
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// multi-line sql
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def result1 = sql """
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CREATE TABLE IF NOT EXISTS ${testTable} (
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id int
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)
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DISTRIBUTED BY HASH(id) BUCKETS 1
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PROPERTIES (
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"replication_num" = "1"
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)
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"""
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// DDL/DML return 1 row and 1 column, the only value is update row count
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assertTrue(result1.size() == 1)
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assertTrue(result1[0].size() == 1)
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assertTrue(result1[0][0] == 0, "Create table should update 0 rows")
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def result2 = sql "INSERT INTO test_sql_action1 values(1), (2), (3)"
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assertTrue(result2.size() == 1)
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assertTrue(result2[0].size() == 1)
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assertTrue(result2[0][0] == 3, "Insert should update 3 rows")
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} finally {
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/**
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* try_xxx(args) means:
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*
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* try {
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* return xxx(args)
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* } catch (Throwable t) {
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* // do nothing
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* }
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*/
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try_sql("DROP TABLE IF EXISTS ${testTable}")
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// you can see the error sql will not throw exception and return
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try {
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def errorSqlResult = try_sql("a b c d e f g")
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assertTrue(errorSqlResult == null)
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} catch (Throwable t) {
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assertTrue(false, "Never catch exception")
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}
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}
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// order_sql(sqlStr) equals to sql(sqlStr, isOrder=true)
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// sort result by string dict
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def list = order_sql """
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select 2
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union all
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select 1
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union all
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select null
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union all
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select 15
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union all
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select 3
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"""
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assertEquals(null, list[0][0])
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assertEquals(1, list[1][0])
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assertEquals(15, list[2][0])
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assertEquals(2, list[3][0])
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assertEquals(3, list[4][0])
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```
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### qt action
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qt action用于提交sql，并使用对应的.out TSV文件来校验结果
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- String sql: 输入sql字符串
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- return void
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下面的样例代码存放于`${DORIS_HOME}/regression-test/suites/demo/qt_action.groovy`:
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```groovy
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/**
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* qt_xxx sql equals to quickTest(xxx, sql) witch xxx is tag.
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* the result will be compare to the relate file: ${DORIS_HOME}/regression_test/data/qt_action.out.
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*
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* if you want to generate .out tsv file for real execute result. you can run with -genOut or -forceGenOut option.
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* e.g
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* ${DORIS_HOME}/run-regression-test.sh --run qt_action -genOut
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* ${DORIS_HOME}/run-regression-test.sh --run qt_action -forceGenOut
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*/
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qt_select "select 1, 'beijing' union all select 2, 'shanghai'"
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qt_select2 "select 2"
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// order result by string dict then compare to .out file.
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// order_qt_xxx sql equals to quickTest(xxx, sql, true).
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order_qt_union_all """
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select 2
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union all
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select 1
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union all
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select null
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union all
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select 15
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union all
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select 3
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"""
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```
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### test action
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test action可以使用更复杂的校验规则来测试，比如验证行数、执行时间、是否抛出异常
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可用参数
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- String sql: 输入的sql字符串
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- List<List<Object>> result: 提供一个List对象，用于校验真实查询结果对比是否相等
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- String exception: 校验抛出的异常是否包含某些字符串
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- long rowNum: 验证结果行数
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- long time: 验证执行时间是否小于这个值，单位是毫秒
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- Closure<List<List<Object>>, Throwable, Long, Long> check: 自定义回调校验，可传入结果、异常、时间。存在回调函数时，其他校验方式会失效。
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下面的样例代码存放于`${DORIS_HOME}/regression-test/suites/demo/qt_action.groovy`:
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```groovy
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test {
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sql "abcdefg"
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// check exception message contains
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exception "errCode = 2, detailMessage = Syntax error"
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}
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test {
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sql """
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select *
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from (
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select 1 id
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union all
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select 2
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) a
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order by id"""
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// multi check condition
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// check return 2 rows
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rowNum 2
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// execute time must <= 5000 millisecond
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time 5000
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// check result, must be 2 rows and 1 column, the first row is 1, second is 2
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result(
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[[1], [2]]
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)
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}
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test {
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sql "a b c d e f g"
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// other check will not work because already declared a check callback
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exception "aaaaaaaaa"
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// callback
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check { result, exception, startTime, endTime ->
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// assertXxx() will invoke junit5's Assertions.assertXxx() dynamically
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assertTrue(exception != null)
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}
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}
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test {
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sql """
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select 2
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union all
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select 1
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union all
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select null
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union all
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select 15
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union all
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select 3
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"""
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check { result, ex, startTime, endTime ->
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// same as order_sql(sqlStr)
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result = sortRows(result)
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assertEquals(null, result[0][0])
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assertEquals(1, result[1][0])
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assertEquals(15, result[2][0])
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assertEquals(2, result[3][0])
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assertEquals(3, result[4][0])
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}
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}
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```
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### explain action
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explain action用来校验explain返回的字符串是否包含某些字符串
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可用参数:
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- String sql: 查询的sql，需要去掉sql中的explain
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- String contains: 校验explain是否包含某些字符串，可多次调用校验同时多个结果
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- String notContains: 校验explain是否不含某些字符串，可多次调用校验同时多个结果
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- Closure<String> check: 自定义校验回调函数，可以获取返回的字符串，存在校验函数时，其他校验方式会失效
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- Closure<String, Throwable, Long, Long> check: 自定义校验回调函数，可以额外获取异常和时间
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下面的样例代码存放于`${DORIS_HOME}/regression-test/suites/demo/explain_action.groovy`:
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```groovy
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explain {
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sql("select 100")
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// contains("OUTPUT EXPRS:<slot 0> 100\n") && contains("PARTITION: UNPARTITIONED\n")
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contains "OUTPUT EXPRS:<slot 0> 100\n"
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contains "PARTITION: UNPARTITIONED\n"
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}
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explain {
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sql("select 100")
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// contains(" 100\n") && !contains("abcdefg") && !("1234567")
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contains " 100\n"
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notContains "abcdefg"
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notContains "1234567"
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}
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explain {
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sql("select 100")
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// simple callback
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check { explainStr -> explainStr.contains("abcdefg") || explainStr.contains(" 100\n") }
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}
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explain {
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sql("a b c d e")
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// callback with exception and time
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check { explainStr, exception, startTime, endTime ->
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// assertXxx() will invoke junit5's Assertions.assertXxx() dynamically
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assertTrue(exception != null)
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}
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}
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```
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### streamLoad action
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streamLoad action用于导入数据
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可用参数为
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- String db: db，默认值为regression-conf.groovy中的defaultDb
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- String table: 表名
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- String file: 要导入的文件路径，可以写data目录下的相对路径，或者写http url来导入网络文件
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- Iterator<List<Object>> inputIterator: 要导入的迭代器
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- String inputText: 要导入的文本, 较为少用
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- InputStream inputStream: 要导入的字节流，较为少用
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- long time: 验证执行时间是否小于这个值，单位是毫秒
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- void set(String key, String value): 设置stream load的http请求的header，如label、columnSeparator
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- Closure<String, Throwable, Long, Long> check: 自定义校验回调函数，可以获取返回结果、异常和超时时间。当存在回调函数时，其他校验项会失效。
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下面的样例代码存放于`${DORIS_HOME}/regression-test/suites/demo/streamLoad_action.groovy`:
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```groovy
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def tableName = "test_streamload_action1"
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sql """
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CREATE TABLE IF NOT EXISTS ${tableName} (
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id int,
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name varchar(255)
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)
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DISTRIBUTED BY HASH(id) BUCKETS 1
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PROPERTIES (
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"replication_num" = "1"
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)
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"""
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streamLoad {
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// you can skip declare db, because a default db already specify in ${DORIS_HOME}/conf/regression-conf.groovy
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// db 'regression_test'
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table tableName
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// default label is UUID:
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// set 'label' UUID.randomUUID().toString()
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// default column_separator is specify in doris fe config, usually is '\t'.
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// this line change to ','
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set 'column_separator', ','
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// relate to ${DORIS_HOME}/regression-test/data/demo/streamload_input.csv.
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// also, you can stream load a http stream, e.g. http://xxx/some.csv
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file 'streamload_input.csv'
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time 10000 // limit inflight 10s
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// stream load action will check result, include Success status, and NumberTotalRows == NumberLoadedRows
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}
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// stream load 100 rows
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def rowCount = 100
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def rowIt = java.util.stream.LongStream.range(0, rowCount) // [0, rowCount)
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.mapToObj({i -> [i, "a_" + i]}) // change Long to List<Long, String>
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.iterator()
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streamLoad {
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table tableName
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// also, you can upload a memory iterator
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inputIterator rowIt
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// if declared a check callback, the default check condition will ignore.
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// So you must check all condition
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check { result, exception, startTime, endTime ->
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if (exception != null) {
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throw exception
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}
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log.info("Stream load result: ${result}".toString())
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def json = parseJson(result)
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assertEquals("success", json.Status.toLowerCase())
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assertEquals(json.NumberTotalRows, json.NumberLoadedRows)
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assertTrue(json.NumberLoadedRows > 0 && json.LoadBytes > 0)
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}
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}
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```
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## 启动脚本例子
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```shell
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# 查看脚本参数说明
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./run-regression-test.sh h
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# 查看框架参数说明
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./run-regression-test.sh --run -h
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|
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# 测试所有用例
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./run-regression-test.sh
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# 删除测试框架编译结果和测试日志
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|
./run-regression-test.sh --clean
|
|
|
|
# 测试suiteName为sql_action的用例, 目前suiteName等于文件名前缀，例子对应的用例文件是sql_action.groovy
|
|
./run-regression-test.sh --run sql_action
|
|
|
|
# 测试suiteName包含'sql'的用例，**注意需要用单引号括起来**
|
|
./run-regression-test.sh --run '*sql*'
|
|
|
|
# 测试demo和perfomance group
|
|
./run-regression-test.sh --run -g 'demo,performance'
|
|
|
|
# 测试demo group下的sql_action
|
|
./run-regression-test.sh --run -g demo -s sql_action
|
|
|
|
# 自定义配置
|
|
./run-regression-test.sh --run -conf a=b
|
|
```
|
|
|
|
## 使用查询结果自动生成.out文件
|
|
```shell
|
|
# 使用查询结果自动生成sql_action用例的.out文件，如果.out文件存在则忽略
|
|
./run-regression-test.sh --run sql_action -genOut
|
|
|
|
# 使用查询结果自动生成sql_action用例的.out文件，如果.out文件存在则覆盖
|
|
./run-regression-test.sh --run sql_action -forceGenOut
|
|
``` |