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Testing Excel Header Reading and Cache Implementation in alibaba/easyexcel

This test suite validates Excel file reading functionality in EasyExcel, specifically focusing on header parsing and caching mechanisms. It implements core tests for handling Excel files with different header configurations and demonstrates cache optimization using Ehcache.

Test Coverage Overview

The test suite covers essential Excel header reading operations and caching functionality.

Validates basic header reading from Excel files
Tests empty row handling with ignoreEmptyRow flag
Verifies Ehcache implementation for optimized reading
Examines multiple read operations on the same file to test caching efficiency

Implementation Analysis

The testing approach utilizes JUnit Jupiter for structured test execution, implementing two main test cases for header reading and cache verification.

The implementation leverages EasyExcel’s fluent API pattern with specific focus on sheet selection, data modeling (HeadReadData.class), and custom listeners (HeadListener and HDListener) for processing Excel data.

Technical Details

Testing Infrastructure:

JUnit Jupiter test framework
EasyExcel core library for Excel processing
Ehcache for read operation optimization
SLF4J for logging test execution
Custom utility classes (TestFileUtil) for file handling

Best Practices Demonstrated

The test suite exemplifies several testing best practices and patterns.

Separation of concerns between file reading and data processing
Proper resource handling for file operations
Structured logging for test execution tracking
Cache implementation testing with multiple iterations
Clear test method naming and organization

alibaba/easyexcel

easyexcel-test/src/test/java/com/alibaba/easyexcel/test/temp/read/HeadReadTest.java

            
package com.alibaba.easyexcel.test.temp.read;

import java.io.File;

import com.alibaba.easyexcel.test.util.TestFileUtil;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.cache.Ehcache;

import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 临时测试
 *
 * @author Jiaju Zhuang
 **/

public class HeadReadTest {
    private static final Logger LOGGER = LoggerFactory.getLogger(HeadReadTest.class);

    @Test
    public void test() throws Exception {
        File file = TestFileUtil.readUserHomeFile("test/t2.xlsx");
        EasyExcel.read(file, HeadReadData.class, new HeadListener()).ignoreEmptyRow(false).sheet(0).doRead();

    }

    @Test
    public void testCache() throws Exception {
        File file = new File("D:\\test\\headt1.xls");
        EasyExcel.read(file, HeadReadData.class, new HDListener()).readCache(new Ehcache(20)).sheet(0).doRead();

        LOGGER.info("------------------");
        EasyExcel.read(file, HeadReadData.class, new HDListener()).readCache(new Ehcache(20)).sheet(0).doRead();
        LOGGER.info("------------------");
        EasyExcel.read(file, HeadReadData.class, new HDListener()).readCache(new Ehcache(20)).sheet(0).doRead();
    }

}