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Testing Event Report Generation Workflow in CAT System

This test suite validates the event report building functionality in the CAT monitoring system, focusing on daily, weekly and monthly report generation tasks. The suite ensures proper handling of different time-based report generation scenarios.

Test Coverage Overview

The test suite provides comprehensive coverage of the EventReportBuilder’s temporal reporting capabilities.

Key areas tested include:

Daily report generation with specific date parsing
Weekly report aggregation and building
Monthly report compilation and processing
Date format handling and parsing validation

Implementation Analysis

The testing approach utilizes JUnit framework with ComponentTestCase as the base class for dependency injection and component lookup.

Implementation details:

TaskBuilder interface implementation testing
Date parsing using SimpleDateFormat
Exception handling for parse errors
Component lookup pattern for builder instantiation

Technical Details

Testing infrastructure includes:

JUnit 4.x test framework
ComponentTestCase for dependency management
SimpleDateFormat for date parsing
Constants.CAT for system configuration
EventReportBuilder.ID for component identification

Best Practices Demonstrated

The test suite exemplifies several testing best practices:

Isolated test methods for each time period scenario
Consistent error handling patterns
Clear test method naming conventions
Proper component lookup and initialization
Standardized date format handling

dianping/cat

cat-home/src/test/java/com/dianping/cat/report/task/event/EventReportBuilderTest.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.event;

import java.text.ParseException;
import java.text.SimpleDateFormat;

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

import com.dianping.cat.Constants;
import com.dianping.cat.report.page.event.task.EventReportBuilder;
import com.dianping.cat.report.task.TaskBuilder;

public class EventReportBuilderTest extends ComponentTestCase {
	@Test
	public void testDailyTask() {
		TaskBuilder builder = lookup(TaskBuilder.class, EventReportBuilder.ID);

		try {
			builder.buildDailyTask(EventReportBuilder.ID, Constants.CAT,	new SimpleDateFormat("yyyy-MM-dd").parse("2016-02-21"));
		} catch (ParseException e) {
			e.printStackTrace();
		}
	}

	@Test
	public void testWeeklyTask() {
		TaskBuilder builder = lookup(TaskBuilder.class, EventReportBuilder.ID);

		try {
			builder
									.buildWeeklyTask(EventReportBuilder.ID, Constants.CAT,	new SimpleDateFormat("yyyy-MM-dd").parse("2016-02-13"));
		} catch (ParseException e) {
			e.printStackTrace();
		}
	}

	@Test
	public void testMonthlyTask() {
		TaskBuilder builder = lookup(TaskBuilder.class, EventReportBuilder.ID);

		try {
			builder.buildMonthlyTask(EventReportBuilder.ID, Constants.CAT,
									new SimpleDateFormat("yyyy-MM-dd").parse("2016-01-01"));
		} catch (ParseException e) {
			e.printStackTrace();
		}
	}
}