angular-docs-cn/modules/angular2/test/test_lib/test_lib_spec.js

123 lines
3.6 KiB
JavaScript

import {describe, it, iit, ddescribe, expect, tick, async, SpyObject, beforeEach, proxy} from 'angular2/test_lib';
import {MapWrapper} from 'angular2/src/facade/collection';
import {IMPLEMENTS} from 'angular2/src/facade/lang';
class TestObj {
prop;
constructor(prop) {
this.prop = prop;
}
someFunc():number {
return -1;
}
someComplexFunc(a) {
return a;
}
}
@proxy
@IMPLEMENTS(TestObj)
class SpyTestObj extends SpyObject {
constructor(){super(TestObj);}
noSuchMethod(m){return super.noSuchMethod(m)}
}
export function main() {
describe('test_lib', () => {
describe('equality', () => {
it('should structurally compare objects', () => {
var expected = new TestObj(new TestObj({'one' : [1,2]}));
var actual = new TestObj(new TestObj({'one' : [1,2]}));
var falseActual = new TestObj(new TestObj({'one' : [1,3]}));
expect(actual).toEqual(expected);
expect(falseActual).not.toEqual(expected);
});
});
describe('toEqual for Maps', () => {
it('should detect equality for same reference', () => {
var m1 = MapWrapper.createFromStringMap({'a': 1});
expect(m1).toEqual(m1);
});
it('should detect equality for same content', () => {
expect(MapWrapper.createFromStringMap({'a': 1})).toEqual(MapWrapper.createFromStringMap({'a': 1}));
});
it('should detect missing entries', () => {
expect(MapWrapper.createFromStringMap({'a': 1})).not.toEqual(MapWrapper.createFromStringMap({}));
});
it('should detect different values', () => {
expect(MapWrapper.createFromStringMap({'a': 1})).not.toEqual(MapWrapper.createFromStringMap({'a': 2}));
});
it('should detect additional entries', () => {
expect(MapWrapper.createFromStringMap({'a': 1})).not.toEqual(MapWrapper.createFromStringMap({'a': 1, 'b': 1}));
});
});
describe("spy objects", () => {
var spyObj;
beforeEach(() => {
spyObj = new SpyTestObj();
});
it("should pass the runtime check", () => {
var t:TestObj = spyObj;
expect(t).toBeDefined();
});
it("should return a new spy func with no calls", () => {
expect(spyObj.spy("someFunc")).not.toHaveBeenCalled();
});
it("should record function calls", () => {
spyObj.spy("someFunc").andCallFake((a,b) => {
return a + b
});
expect(spyObj.someFunc(1,2)).toEqual(3);
expect(spyObj.spy("someFunc")).toHaveBeenCalledWith(1,2);
});
it("should match multiple function calls", () => {
spyObj.someFunc(1,2);
spyObj.someFunc(3,4);
expect(spyObj.spy("someFunc")).toHaveBeenCalledWith(1,2);
expect(spyObj.spy("someFunc")).toHaveBeenCalledWith(3,4);
});
it("should match null arguments", () => {
spyObj.someFunc(null, "hello");
expect(spyObj.spy("someFunc")).toHaveBeenCalledWith(null,"hello");
});
it("should match using deep equality", () => {
spyObj.someComplexFunc([1]);
expect(spyObj.spy("someComplexFunc")).toHaveBeenCalledWith([1]);
});
it("should support stubs", () => {
var s = SpyObject.stub({"a":1}, {"b":2});
expect(s.a()).toEqual(1);
expect(s.b()).toEqual(2);
});
it('should create spys for all methods', () => {
expect(() => spyObj.someFunc()).not.toThrow();
});
it('should create a default spy that does not fail for numbers', () => {
// Need to return null instead of undefined so that rtts assert does
// not fail...
expect(spyObj.someFunc()).toBe(null);
});
});
});
}