如何检查两个文件的内容是否相同? [英] How to check if two files have the same content?

问题描述

我正在使用mocha/supertest/should.js测试我的Rest Service

I am using mocha/supertest/should.js to test my Rest Service

GET /files/<hash>将文件作为流返回.

如何在should.js中断言文件内容相同?

How can I assert in should.js that file contents are the same?

it('should return file as stream', function (done) {
    var writeStream = fs.createWriteStream('test/fixtures/tmp.json');

    var req = api.get('/files/676dfg1430af3595');
    req.on('end', function(){
       var tmpBuf = fs.readFileSync('test/fixtures/tmp.json');
       var testBuf = fs.readFileSync('test/fixtures/test.json');

       // How to assert with should.js file contents are the same (tmpBuf == testBuf )
       // ...

       done();
    });
});

推荐答案

令人惊讶的是，没有人建议 Buffer.equals .自v0.11以来，这似乎是最快，最简单的方法.

Surprisingly, no one has suggested Buffer.equals. That seems to be the fastest and simplest approach and has been around since v0.11.

因此您的代码将变为tmpBuf.equals(testBuf)

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