piskel/test/js/model/LayerTest.js

describe("Layer model test", function() {

  beforeEach(function() {});
  afterEach(function() {});

  it("has proper defaults", function() {
    var layer = new pskl.model.Layer('layerName');

    expect(layer.getOpacity()).toBe(1);
    expect(layer.getFrames().length).toBe(0);
    expect(layer.getName()).toBe('layerName');
  });

  it("can set opacity", function() {
    var layer = new pskl.model.Layer('layerName');

    layer.setOpacity(0.5);
    expect(layer.getOpacity()).toBe(0.5);
  });

  it("ignores bad opacity", function() {
    var layer = new pskl.model.Layer('layerName');

    layer.setOpacity(0.3);
    expect(layer.getOpacity()).toBe(0.3);

    layer.setOpacity('Yep I\'m an opacity, let me in !');
    expect(layer.getOpacity()).toBe(0.3);

    layer.setOpacity(9000);
    expect(layer.getOpacity()).toBe(0.3);

    layer.setOpacity(-1);
    expect(layer.getOpacity()).toBe(0.3);

    layer.setOpacity(null);
    expect(layer.getOpacity()).toBe(0.3);
  });
});