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HTML

              
                <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jasmine/3.3.0/jasmine.min.css">
              
            
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CSS

              
                
              
            
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JS

              
                "use strict";
describe("Jasmineのテスト", function() {

  beforeEach(function () {
    this.name = "CODEPREP";
    this.person = { 
      name: "佐藤",
      address: null,
    };
  });

  describe("基本構文のテスト", function() {
    it("サービス名はCODEPREPであること", function() {
      expect(this.name).toBe("CODEPREP");
    });
    xit("テストをスキップ", function(){
      
    });
    
    describe("Matherのテスト", function() {
      beforeEach(function () {
        this.error = function(){
          throw new TypeError("how are you?");
        }
      });
      
      it("真偽値が正しく評価されること", function() {
        expect(true).toBe(true);
      });
      // 
      it("objectの比較toBe", function() {
        expect(this.person).toBe({ name: "佐藤",address: null });
      });
      it("objectの比較toEqual", function() {
        expect(this.person).toEqual({ name: "佐藤",address: null });
      });
      it("ageが未定義undefined", function() {
        expect(this.person.age).toBeUndefined('age');
      });
      it("addressがnull", function() {
        expect(this.person.address).toBeNull();
      });
      it("'name=佐藤'が含まれていること", function() {
        expect(this.person).toEqual(jasmine.objectContaining({
          name: "佐藤"
        }));
      });
      // error
      it("呼び出すと例外が発生", function() {
        expect(this.error).toThrowError();
      });
      it("例外の型がTypeError", function() {
        expect(this.error).toThrowError(TypeError);
      });
      it("例外のメッセージが'how are you?'", function() {
        expect(this.error).toThrowError('how are you?');
      });
      it("例外の型がTypeErrorで,メッセージが'how are you?'", function() {
        expect(this.error).toThrowError(TypeError, 'how are you?');
      });
    });
  });

  describe("関数のテスト", function() {
    beforeEach(function () {
      this.greet = {
        greeting: function(name) {
          return "Hello " + name;
        },
        greeting2: function(name) {
          return "Hello " + name;
        },
        greeting3: function(name) {
          return "Hello " + name;
        },
      }
      // spyOnは設定のみで実行はしない
      // returnValueでダミー返り値       
      spyOn(this.greet, "greeting").and.returnValue("Hi");
    });
    it("greeting関数が呼び出されたこと", function() {
      this.greet.greeting();
      expect(this.greet.greeting).toHaveBeenCalled();
    });
    it("greeting関数が1回呼び出されたこと", function() {
      this.greet.greeting();
      expect(this.greet.greeting).toHaveBeenCalledTimes(1);
    });
    it("正しく挨拶ができること", function() {
      expect(this.greet.greeting("everyone")).toBe("Hi");
    });
    it("ダミー関数を設定する", function() {
      spyOn(this.greet, "greeting2").and.callFake(function(name){
        return "Hello " + name;
      });
      expect(this.greet.greeting2("everyone")).toBe("Hello everyone");
    });
    it("ダミー例外を発生させる", function() {
      // 例外発生するのでコールバック関数を渡す
      spyOn(this.greet, "greeting3").and.throwError("Not Implemented");
      expect(function(){this.greet.greeting3("everyone")}.bind(this)).toThrowError("Not Implemented");
    });
     
        
    describe("モックオブジェクト", function() {
      beforeEach(function() {
        this.greet = jasmine.createSpyObj("greetMock", ["greeting", "goodby"]);

        this.greet.greeting("everyone");
        this.greet.goodby("mitz");
      });

      it("モックにgreetingとgoodby関数が定義されていること", function() {
        expect(this.greet.greeting).toBeDefined();
        expect(this.greet.goodby).toBeDefined();
      });
      it("greetingとgoodby関数がそれぞれ1回ずつ呼び出されたこと", function() {
        expect(this.greet.greeting).toHaveBeenCalledTimes(1);
        expect(this.greet.goodby).toHaveBeenCalledTimes(1);
      });
      it("greetingとgoodby関数の引数が正しいこと", function() {
        expect(this.greet.greeting).toHaveBeenCalledWith("everyone");
        expect(this.greet.goodby).toHaveBeenCalledWith("mitz");
      });
    });
  });

  describe("日時のテスト", function() {
    beforeEach(function() {
      jasmine.clock().install();
    });
    afterEach(function() {
      jasmine.clock().uninstall();
    });
    it("このブックの初版は2017/4/5であること", function() {
      var baseTime = new Date(2017, 4, 5);
      // 日時をモックに差し替える
      jasmine.clock().mockDate(baseTime);
      expect(new Date().getTime()).toEqual(baseTime.getTime());
    });
  });
  
  describe("非同期", function() {
    var result = null;
    beforeEach(function(done) {
      setTimeout(function(){
        result = "done";
        done();
      }, 1);
    });
    it("非同期処理の終了を待ってから次の処理を実行する(1ms後の処理を見る)", function() {
      expect(result).toBe("done");
    });
    
    describe("非同期とタイムアウト", function() {
      it("Jasmineのデフォルトのタイムアウト時間(5s)で失敗すること", function(done) {
        setTimeout(function() {
          done();
        }, 5001);
      });

      it("テストケースのタイムアウトを50msにして、doneが呼び出される前にタイムアウトで失敗すること", function(done) {
        setTimeout(function() {
          done();
        }, 100);
      }, 50);
    });
    
  });
  
});

              
            
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