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60 lines
1.6 KiB
60 lines
1.6 KiB
describe("Player", () => {
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var Player = require('../../lib/jasmine_examples/Player');
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var Song = require('../../lib/jasmine_examples/Song');
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var player;
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var song;
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beforeEach(() => {
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player = new Player();
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song = new Song();
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});
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it("should be able to play a Song", () => {
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player.play(song);
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expect(player.currentlyPlayingSong).toEqual(song);
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//demonstrates use of custom matcher
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expect(player).toBePlaying(song);
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});
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describe("when song has been paused", () => {
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beforeEach(() => {
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player.play(song);
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player.pause();
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});
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it("should indicate that the song is currently paused", () => {
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expect(player.isPlaying).toBeFalsy();
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// demonstrates use of 'not' with a custom matcher
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expect(player).not.toBePlaying(song);
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});
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it("should be possible to resume", () => {
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player.resume();
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expect(player.isPlaying).toBeTruthy();
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expect(player.currentlyPlayingSong).toEqual(song);
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});
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});
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// demonstrates use of spies to intercept and test method calls
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it("tells the current song if the user has made it a favorite", () => {
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spyOn(song, 'persistFavoriteStatus');
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player.play(song);
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player.makeFavorite();
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expect(song.persistFavoriteStatus).toHaveBeenCalledWith(true);
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});
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//demonstrates use of expected exceptions
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describe("#resume", () => {
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it("should throw an exception if song is already playing", () => {
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player.play(song);
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expect(() => {
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player.resume();
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}).toThrowError("song is already playing");
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});
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});
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});
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