chai-fuzzy
基於 underscore 並受 jasmine 啟發的 chai 模糊匹配器。
建立斷言,檢查數值是否具有相同的屬性和值,而無需斷言嚴格的物件相等性。
使用方法
瀏覽器端
在 chai 和 underscore 之後引入 chai fuzzy
<script src="underscore.js"></script>
<script src="chai.js"></script>
<script src="chai-fuzzy.js"></script>
伺服器端
讓 chai 使用 chai-fuzzy
var chai = require('chai');
chai.use(require('chai-fuzzy'));
斷言
like(value)
比較物件的屬性和值,而不是檢查它們是否為相同的參考
var subject = {a: 'a'};
subject.should.be.like({a: 'a'});
subject.should.not.be.like({x: 'x'});
subject.should.not.be.like({a: 'a', b: 'b'});
expect(subject).to.be.like({a: 'a'});
expect(subject).not.to.be.like({x: 'x'});
expect(subject).not.to.be.like({a: 'a', b: 'b'});
assert.like(subject, {a: 'a'});
assert.notLike(subject, {x: 'x'});
assert.notLike(subject, {a: 'a', b: 'b'});
var subject = ['a'];
subject.should.be.like(['a']);
subject.should.not.be.like(['x']);
subject.should.not.be.like(['a', 'b']);
expect(subject).to.be.like(['a']);
expect(subject).not.to.be.like(['x']);
expect(subject).not.to.be.like(['a', 'b']);
assert.like(subject, ['a']);
assert.notLike(subject, ['x']);
assert.notLike(subject, ['a', 'b']);
containOneLike(value)
檢查容器的第一層是否包含一個類似提供的值
var subject = {
a: 'alphabet'
, b: 'butternut'
, c: {
name: 'chowder'
, attributes: [
'scales'
, 'fins'
]
}
, x: 'xylophone'
, z: 'xylophone'
};
subject.should.containOneLike({
name: 'chowder'
, attributes: [
'scales', 'fins'
]
});
subject.should.not.containOneLike({
name: 'chowder'
, attributes: [
'scales', 'fins', 'cream'
]
});
subject.should.containOneLike('xylophone');
subject.should.not.containOneLike('cow patties');
expect(subject).to.containOneLike('xylophone');
expect(subject).to.not.containOneLike('cow patties');
assert.containOneLike(subject, 'xylophone');
assert.notContainOneLike(subject, 'cow patties');
// same for arrays
jsonOf(value)
檢查給定的 javascript 物件是否與 JSON 化後的預期值相似。適用於檢查物件的字串化和解析。
var apple = {
skin: 'thin'
, colors: ['red', 'green', 'yellow']
, isFruit: true
, picked: new Date()
};
var orange = {
skin: 'thin'
, colors: ['red', 'green', 'yellow']
, isFruit: true
, picked: new Date()
};
// here appleJSON would be the json result of some process like a JSON api
var appleJSON = JSON.parse(JSON.stringify(apple));
appleJSON.should.be.jsonOf(apple);
appleJSON.should.not.be.jsonOf(orange);
expect(appleJSON).to.be.jsonOf(apple);
expect(appleJSON).to.not.be.jsonOf(orange);
assert.jsonOf(appleJSON, apple);
assert.notJsonOf(appleJSON, orange);
感謝
感謝Davis提供了使用 underscore 而不是複製 jasmine 部分的想法。
感謝Bart van der Schoor新增了 assert 風格的相容性