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Testing Router Configuration Builder Implementation in CAT Monitoring System

This test suite validates the Router Report Builder functionality in the CAT monitoring system, focusing on configuration handling and daily task generation. The tests ensure proper routing configuration processing and report building capabilities.

Test Coverage Overview

The test suite provides coverage for two main components of the Router Report system:

Daily task building for router reports
Router configuration generation and handling
Date-based report generation verification
Integration with the CAT monitoring system

Implementation Analysis

The testing approach utilizes ComponentTestCase as the base class, implementing JUnit tests for router configuration validation. The tests employ dependency injection for component lookup and verification of router config building processes.

Uses SimpleDateFormat for temporal testing scenarios
Implements component lookup patterns for dependency management
Validates both builder and handler implementations

Technical Details

JUnit test framework implementation
ComponentTestCase extension for dependency injection
RouterConfigBuilder and RouterConfigHandler component testing
Date formatting and parsing utilities
Constants usage for report type identification

Best Practices Demonstrated

The test suite demonstrates several testing best practices including proper component isolation and dependency management.

Clear test method naming and organization
Proper exception handling for date parsing
Component lookup pattern implementation
Separation of builder and handler testing concerns

dianping/cat

cat-home/src/test/java/com/dianping/cat/report/task/router/RouterReportBuilderTest.java

            
/*
 * Copyright (c) 2011-2018, Meituan Dianping. All Rights Reserved.
 *
 * Licensed to the Apache Software Foundation (ASF) 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.
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package com.dianping.cat.report.task.router;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.junit.Test;
import org.unidal.lookup.ComponentTestCase;

import com.dianping.cat.Constants;
import com.dianping.cat.home.router.entity.RouterConfig;
import com.dianping.cat.report.task.TaskBuilder;
import com.dianping.cat.system.page.router.config.RouterConfigHandler;
import com.dianping.cat.system.page.router.task.RouterConfigBuilder;

public class RouterReportBuilderTest extends ComponentTestCase {

	@Test
	public void test() throws ParseException {
		RouterConfigBuilder builder = (RouterConfigBuilder) lookup(TaskBuilder.class, RouterConfigBuilder.ID);

		Date period = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse("2015-11-03 00:00:00");

		builder.buildDailyTask(Constants.REPORT_ROUTER, "cat", period);
	}

	@Test
	public void test2() throws ParseException {
		RouterConfigHandler handler = (RouterConfigHandler) lookup(RouterConfigHandler.class);
		Date period = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse("2016-04-20 00:00:00");

		RouterConfig routerConfig = handler.buildRouterConfig("cat", period);

		System.out.println(routerConfig);

	}
}