147 lines
No EOL
3.8 KiB
TypeScript
147 lines
No EOL
3.8 KiB
TypeScript
import { ViewArrayImpl } from './view-array.impl';
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describe("ViewArrayImplImpl", () => {
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var viewArrayImpl: ViewArrayImpl;
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var $intervalMock: any;
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beforeEach(() => {
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$intervalMock = jasmine.createSpy('$intervalSpy');
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$intervalMock.and.returnValue({});
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$intervalMock.cancel = jasmine.createSpy('cancelSpy');
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viewArrayImpl = new ViewArrayImpl($intervalMock);
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});
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describe("constructor", () => {
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it("initializes values", () => {
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expect(viewArrayImpl.isVisible).toBe(false);
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expect(viewArrayImpl.visibleEntries).toBe(null);
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expect(viewArrayImpl.entries.length).toEqual(0);
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expect(viewArrayImpl.hasEntries).toBe(false);
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expect(viewArrayImpl.hasHiddenEntries).toBe(false);
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});
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});
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describe("length", () => {
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it("returns the number of entries", () => {
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viewArrayImpl.entries = [{}, {}, {}];
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expect(viewArrayImpl.length()).toEqual(viewArrayImpl.entries.length);
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});
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});
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describe("get", () => {
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it("returns the entry at a given index", () => {
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var index: number = 8;
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viewArrayImpl.entries = new Array(10);
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viewArrayImpl.entries[index] = 3;
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expect(viewArrayImpl.get(index)).toEqual(viewArrayImpl.entries[index]);
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});
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});
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describe("push", () => {
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it("adds given element to the end of entries", () => {
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var element: number = 3;
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var originalLength: number = viewArrayImpl.length();
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viewArrayImpl.push(element);
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expect(viewArrayImpl.entries.length).toEqual(originalLength + 1);
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expect(viewArrayImpl.get(originalLength)).toEqual(element);
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});
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it("sets 'hasEntries' to true", () => {
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viewArrayImpl.push(2);
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expect(viewArrayImpl.hasEntries).toBe(true);
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});
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it("starts timer if 'isVisible' is true", () => {
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viewArrayImpl.isVisible = true;
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viewArrayImpl.push(2);
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expect($intervalMock).toHaveBeenCalled();
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});
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it("does not start timer if 'isVisible' is false", () => {
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viewArrayImpl.isVisible = false;
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viewArrayImpl.push(2);
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expect($intervalMock).not.toHaveBeenCalled();
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});
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});
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describe("toggle", () => {
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it("sets 'isVisible' to false if currently true", () => {
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viewArrayImpl.isVisible = true;
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viewArrayImpl.toggle();
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expect(viewArrayImpl.isVisible).toBe(false);
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});
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it("sets 'isVisible' to true if currently false", () => {
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viewArrayImpl.isVisible = false;
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viewArrayImpl.toggle();
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expect(viewArrayImpl.isVisible).toBe(true);
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});
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});
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describe("setVisible", () => {
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it("sets 'isVisible' to false if given false", () => {
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viewArrayImpl.setVisible(false);
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expect(viewArrayImpl.isVisible).toBe(false);
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});
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it("sets 'visibleEntries' to empty array if given false", () => {
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viewArrayImpl.setVisible(false);
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expect(viewArrayImpl.visibleEntries.length).toEqual(0);
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});
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it("shows additional entries if given true", () => {
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viewArrayImpl.setVisible(true);
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});
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it("does not show additional entries if given false", () => {
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viewArrayImpl.setVisible(false);
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});
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it("starts timer if given true", () => {
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viewArrayImpl.setVisible(true);
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expect($intervalMock).toHaveBeenCalled();
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});
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it("does not stop timer if given false and timer is not active", () => {
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viewArrayImpl.setVisible(false);
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expect($intervalMock.cancel).not.toHaveBeenCalled();
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});
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it("stops timer if given false and timer is active", () => {
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viewArrayImpl.isVisible = true;
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viewArrayImpl.push(2);
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viewArrayImpl.setVisible(false);
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expect($intervalMock.cancel).toHaveBeenCalled();
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});
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});
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describe("create", () => {
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it("returns a new ViewArrayImpl instance", () => {
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var newViewArrayImpl: ViewArrayImpl = viewArrayImpl.create();
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expect(newViewArrayImpl).toBeDefined();
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});
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});
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}); |