Javascript 在摩卡咖啡上循环()
我想用mocha迭代几组测试文件,但我的it()从未执行过Javascript 在摩卡咖啡上循环(),javascript,mocha.js,chai,Javascript,Mocha.js,Chai,我想用mocha迭代几组测试文件,但我的it()从未执行过 var unitTests = JSON.parse(fs.readFileSync('./test/unitTests.json', 'utf8')); for (test in unitTests.unitTests) { var inputFilename = unitTests.unitTests[test].input; console.log(inputFilename); it('do stuff with
var unitTests = JSON.parse(fs.readFileSync('./test/unitTests.json', 'utf8'));
for (test in unitTests.unitTests) {
var inputFilename = unitTests.unitTests[test].input;
console.log(inputFilename);
it('do stuff with the file', function(done) {
...
});
}
My console.log语句会打印每个输入文件名,但it()中的代码永远不会执行。如果我注释掉循环,它运行得很好
看来我的假设不正确
我怎么能在摩卡咖啡馆看一眼it呢
原来我原来的问题是错的 我在调试器中运行它,看到console.log语句在it()块执行之前执行。然后我退出了节目。如果让它运行,我的it()块将按预期运行
看起来It()的异步特性让我大吃一惊。始终将测试包装在
描述块中:
const fs = require('fs');
var unitTests = JSON.parse(fs.readFileSync('./test/unitTests.json', 'utf8'));
function doStuff(test) {console.log("did stuff with " + test.input)}
describe('runTests', function() {
unitTests.unitTests.forEach(function(test) {
it('does stuff with ' + test.input, function(done) {
var res = doStuff.apply(null, [test]);
done();
});
});
});
/node\u modules/.bin/mocha test.js的输出
runTests
did stuff with 1.foo
✓ does stuff with 1.foo
did stuff with 4.foo
✓ does stuff with 4.foo
did stuff with 3.foo
✓ does stuff with 3.foo
did stuff with 2.foo
✓ does stuff with 2.foo
4 passing (8ms)
更多信息:
另外,我用
{"unitTests": [{"input": "1.foo"},{"input": "4.foo"},{"input": "3.foo"},{"input": "2.foo"}]}
始终将测试包装在description
块中:
const fs = require('fs');
var unitTests = JSON.parse(fs.readFileSync('./test/unitTests.json', 'utf8'));
function doStuff(test) {console.log("did stuff with " + test.input)}
describe('runTests', function() {
unitTests.unitTests.forEach(function(test) {
it('does stuff with ' + test.input, function(done) {
var res = doStuff.apply(null, [test]);
done();
});
});
});
/node\u modules/.bin/mocha test.js的输出
runTests
did stuff with 1.foo
✓ does stuff with 1.foo
did stuff with 4.foo
✓ does stuff with 4.foo
did stuff with 3.foo
✓ does stuff with 3.foo
did stuff with 2.foo
✓ does stuff with 2.foo
4 passing (8ms)
更多信息:
另外,我用
{"unitTests": [{"input": "1.foo"},{"input": "4.foo"},{"input": "3.foo"},{"input": "2.foo"}]}
我有一个街区。我现在正在开会,但我会在会议结束后看看你的答案。。。谢谢我刚刚编辑了这个问题,结果是我的代码正常工作,但它()的异步特性让我大吃一惊。既然你帮了我的忙,我就把你的答案记为正确答案。谢谢我有一个街区。我现在正在开会,但我会在会议结束后看看你的答案。。。谢谢我刚刚编辑了这个问题,结果是我的代码正常工作,但它()的异步特性让我大吃一惊。既然你帮了我的忙,我就把你的答案记为正确答案。谢谢