Fix unit tests after v6 refactor

Author: nateplusplus

src/pushInScene.ts

@@ -97,7 +97,7 @@ export class PushInScene extends PushInBase {
       [layerDepth] = layerDepth;
     }
 
-    this.layerDepth = layerDepth ?? PUSH_IN_DEFAULT_LAYER_DEPTH;
+    this.layerDepth = <number>layerDepth ?? PUSH_IN_DEFAULT_LAYER_DEPTH;
   }
 
   /**

test/__mocks__/layers.ts

@@ -2,6 +2,8 @@ export const layerOptions = {
   inpoints: [100, 200],
   outpoints: [150, 250],
   speed: 50,
+  isFirst: false,
+  isLast: false,
 }
 
 export const layerParams = {

test/pushInLayer/getInpoints.spec.ts

@@ -61,9 +61,16 @@ describe('getInpoints', () => {
     );
   });
 
-  it('Should return scene top value as the default for first layer', () => {
+  it('Should return 0 as the default for first layer in sequential mode', () => {
     const elem = <HTMLElement>document.querySelector('#layer-0');
     const result = mockPushInLayer['getInpoints'](elem, 0);
+    expect(result).toEqual([0]);
+  });
+
+  it('Should return scene top value as the default for first layer in continuous mode', () => {
+    const elem = <HTMLElement>document.querySelector('#layer-0');
+    mockPushInLayer['scene']['getMode'] = () => 'continuous';
+    const result = mockPushInLayer['getInpoints'](elem, 0);
     expect(result).toEqual([10]);
   });
 

test/pushInLayer/setLayerStyle.spec.ts

@@ -75,24 +75,26 @@ describe('setLayerStyle', () => {
     );
   });
 
-  it('should set opacity to 1 if its the first layer and the scroll position is before its inpoint', () => {
+  it('should set opacity to 1 if its the first layer, scroll position is before inpoint, and transitionStart is -1', () => {
     mockPushInLayer['scene']['pushin']['scrollY'] = 10;
+    mockPushInLayer['params']['transitionStart'] = -1;
     mockPushInLayer['setLayerStyle']();
     const result = element.style.opacity;
 
     expect(result).toEqual('1');
   });
 
   it('should set opacity to 1 if its the first layer and it is active', () => {
-    mockPushInLayer['scene']['pushin']['scrollY'] = 205;
+    mockPushInLayer['scene']['pushin']['scrollY'] = 251;
     mockPushInLayer['setLayerStyle']();
     const result = element.style.opacity;
 
     expect(result).toEqual('1');
   });
 
-  it('should set opacity to 1 if its the last layer and the scroll position is after its outpoint', () => {
+  it('should set opacity to 1 if its the last layer, scroll position is after outpoint, and transitionEnd is -1', () => {
     mockPushInLayer['scene']['pushin']['scrollY'] = 600;
+    mockPushInLayer['params']['transitionEnd'] = -1;
     mockPushInLayer['index'] = 2;
     mockPushInLayer['setLayerStyle']();
 

test/pushInScene/getLayers.spec.ts

@@ -40,7 +40,11 @@ describe('getLayers', () => {
 
   it('Should create pushInLayer with correct arguments', () => {
     mockPushInScene['getLayers']();
-    expect(PushInLayer).toHaveBeenCalledWith(layers[1], 1, mockPushInScene, {});
+    const mockOptions = {
+      isFirst: false,
+      isLast: false,
+    };
+    expect(PushInLayer).toHaveBeenCalledWith(layers[1], 1, mockPushInScene, mockOptions);
   });
 
   it('Should set layer settings from the JavaScript API', () => {
@@ -49,13 +53,19 @@ describe('getLayers', () => {
 
     mockPushInScene['settings'] = sceneOptions;
     mockPushInScene['settings'].layers = [
-      Object.assign({}, layerOptions),
+      { ...layerOptions, isFirst: true },
       testLayerOptions,
-      Object.assign({}, layerOptions),
-      Object.assign({}, layerOptions),
+      { ...layerOptions },
+      { ...layerOptions, isLast: true },
     ];
 
     mockPushInScene['getLayers']();
-    expect(PushInLayer).toHaveBeenNthCalledWith(2, layers[1], 1, mockPushInScene, testLayerOptions);
+
+    const expectedElement = layers[1];
+    const expectedIndex = 1;
+    const expectedParent = mockPushInScene;
+    const expectedOptions = testLayerOptions;
+
+    expect(PushInLayer).toHaveBeenNthCalledWith(2, expectedElement, expectedIndex, expectedParent, expectedOptions);
   });
 });