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cascader.spec.ts
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cascader.spec.ts
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import { BidiModule, Dir } from '@angular/cdk/bidi';
/* eslint-disable @typescript-eslint/no-explicit-any */
import {
COMMA,
DELETE,
DOWN_ARROW,
END,
ENTER,
ESCAPE,
HOME,
LEFT_ARROW,
NINE,
PAGE_DOWN,
PAGE_UP,
RIGHT_ARROW,
SPACE,
TAB,
UP_ARROW,
ZERO
} from '@angular/cdk/keycodes';
import { OverlayContainer } from '@angular/cdk/overlay';
import { Component, DebugElement, TemplateRef, ViewChild } from '@angular/core';
import { ComponentFixture, fakeAsync, flush, inject, TestBed, tick, waitForAsync } from '@angular/core/testing';
import { UntypedFormBuilder, UntypedFormGroup, FormsModule, ReactiveFormsModule, Validators } from '@angular/forms';
import { By } from '@angular/platform-browser';
import { NoopAnimationsModule } from '@angular/platform-browser/animations';
import {
createFakeEvent,
createMouseEvent,
dispatchKeyboardEvent,
dispatchMouseEvent
} from 'ng-zorro-antd/core/testing';
import { NzStatus } from 'ng-zorro-antd/core/types';
import { NzIconTestModule } from 'ng-zorro-antd/icon/testing';
import { NzFormModule } from '../form';
import { NzCascaderComponent } from './cascader.component';
import { NzCascaderModule } from './cascader.module';
import { NzCascaderOption, NzShowSearchOptions } from './typings';
describe('cascader', () => {
let overlayContainer: OverlayContainer;
let overlayContainerElement: HTMLElement;
function getItemAtColumnAndRow(column: number, row: number): HTMLElement | null {
if (row === -1) {
return overlayContainerElement.querySelector(
`.ant-cascader-menu:nth-child(${column}) .ant-cascader-menu-item:last-child`
);
}
return overlayContainerElement.querySelector(
`.ant-cascader-menu:nth-child(${column}) .ant-cascader-menu-item:nth-child(${row})`
);
}
function getAllColumns(): NodeListOf<Element> {
return overlayContainerElement.querySelectorAll(`.ant-cascader-menu`);
}
beforeEach(
waitForAsync(() => {
TestBed.configureTestingModule({
imports: [
BidiModule,
FormsModule,
ReactiveFormsModule,
NoopAnimationsModule,
NzCascaderModule,
NzIconTestModule,
NzFormModule
],
declarations: [
NzDemoCascaderDefaultComponent,
NzDemoCascaderLoadDataComponent,
NzDemoCascaderRtlComponent,
NzDemoCascaderStatusComponent,
NzDemoCascaderInFormComponent
]
}).compileComponents();
inject([OverlayContainer], (oc: OverlayContainer) => {
overlayContainer = oc;
overlayContainerElement = oc.getContainerElement();
})();
})
);
afterEach(inject([OverlayContainer], (currentOverlayContainer: OverlayContainer) => {
currentOverlayContainer.ngOnDestroy();
overlayContainer.ngOnDestroy();
}));
describe('default', () => {
let fixture: ComponentFixture<NzDemoCascaderDefaultComponent>;
let cascader: DebugElement;
let testComponent: NzDemoCascaderDefaultComponent;
function getLabelText(): string {
return cascader.nativeElement.querySelector('.ant-select-selection-item').innerText;
}
function getPlaceholder(): string {
return cascader.nativeElement.querySelector('.ant-select-selection-placeholder').innerText;
}
function getInputEl(): HTMLElement {
return cascader.nativeElement.querySelector('input')!;
}
beforeEach(() => {
fixture = TestBed.createComponent(NzDemoCascaderDefaultComponent);
testComponent = fixture.debugElement.componentInstance;
cascader = fixture.debugElement.query(By.directive(NzCascaderComponent));
});
it('should className correct', () => {
fixture.detectChanges();
expect(cascader.nativeElement.className).toContain('ant-cascader ant-select');
});
it('should have input', () => {
fixture.detectChanges();
expect(getInputEl()).toBeDefined();
expect(getPlaceholder()).toBe('please select');
});
it('should input change event stopPropagation', () => {
fixture.detectChanges();
const fakeInputChangeEvent = createFakeEvent('change', true, true);
spyOn(fakeInputChangeEvent, 'stopPropagation');
getInputEl().dispatchEvent(fakeInputChangeEvent);
fixture.detectChanges();
expect(fakeInputChangeEvent.stopPropagation).toHaveBeenCalled();
});
it('should not have EMPTY label', () => {
fixture.detectChanges();
const label: HTMLElement = cascader.nativeElement.querySelector('.ant-select-selection-item');
expect(label).toBeNull();
});
it('should placeholder work', () => {
const placeholder = 'placeholder test';
testComponent.nzPlaceHolder = placeholder;
fixture.detectChanges();
expect(getPlaceholder()).toBe(placeholder);
});
it('should size work', () => {
testComponent.nzSize = 'small';
fixture.detectChanges();
expect(cascader.nativeElement.classList).toContain('ant-select-sm');
testComponent.nzSize = 'large';
fixture.detectChanges();
expect(cascader.nativeElement.classList).toContain('ant-select-lg');
});
it('should value and label property work', fakeAsync(() => {
testComponent.nzOptions = ID_NAME_LIST;
testComponent.nzValueProperty = 'id';
testComponent.nzLabelProperty = 'name';
fixture.detectChanges();
// label will not show if no item selected
const label: HTMLElement = cascader.nativeElement.querySelector('.ant-select-selection-item');
expect(label).toBeNull();
expect(testComponent.cascader.getSubmitValue().join(',')).toBe('');
testComponent.values = [1, 2, 3];
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(getLabelText()).toBe('Zhejiang / Hangzhou / West Lake');
expect(testComponent.cascader.getSubmitValue().join(',')).toBe('1,2,3');
}));
it('should no value and label property work', fakeAsync(() => {
testComponent.nzValueProperty = null;
testComponent.nzLabelProperty = null;
fixture.detectChanges();
const label: HTMLElement = cascader.nativeElement.querySelector('.ant-select-selection-item');
expect(label).toBeNull();
expect(testComponent.cascader.getSubmitValue().join(',')).toBe('');
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(getLabelText()).toBe('Zhejiang / Hangzhou / West Lake');
expect(testComponent.cascader.getSubmitValue().join(',')).toBe('zhejiang,hangzhou,xihu');
}));
it('should showArrow work', () => {
testComponent.nzShowArrow = true;
fixture.detectChanges();
expect(cascader.nativeElement.querySelector('.ant-select-arrow')).toBeDefined();
expect(cascader.nativeElement.querySelector('.ant-select-arrow .anticon').classList).toContain('anticon-down');
testComponent.nzShowArrow = false;
fixture.detectChanges();
expect(cascader.nativeElement.querySelector('.ant-select-arrow')).toBeNull();
});
it('should allowClear work', () => {
fixture.detectChanges();
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
fixture.detectChanges();
expect(cascader.nativeElement.querySelector('.ant-select-clear')).toBeDefined();
testComponent.nzAllowClear = false;
fixture.detectChanges();
expect(cascader.nativeElement.querySelector('.ant-select-clear')).toBeNull();
});
it('should open work', () => {
fixture.detectChanges();
expect(cascader.nativeElement.classList).not.toContain('ant-select-open');
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
expect(cascader.nativeElement.classList).toContain('ant-select-open');
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(1);
expect(testComponent.cascader.nzOptions).toBe(options1);
});
it('should click toggle open', fakeAsync(() => {
fixture.detectChanges();
expect(testComponent.nzDisabled).toBe(false);
cascader.nativeElement.click();
fixture.detectChanges();
tick(200);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(1);
cascader.nativeElement.click();
fixture.detectChanges();
tick(200);
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(2);
}));
it('should mouse hover toggle open', fakeAsync(() => {
fixture.detectChanges();
testComponent.nzTriggerAction = 'hover';
fixture.detectChanges();
expect(testComponent.nzDisabled).toBe(false);
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(0);
dispatchMouseEvent(cascader.nativeElement, 'mouseenter');
tick(300);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(1);
dispatchMouseEvent(cascader.nativeElement, 'mouseleave');
tick(300);
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(2);
}));
it('should mouse hover toggle open immediately', fakeAsync(() => {
fixture.detectChanges();
testComponent.nzTriggerAction = ['hover'];
testComponent.nzMouseEnterDelay = 0;
testComponent.nzMouseLeaveDelay = 0;
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
dispatchMouseEvent(cascader.nativeElement, 'mouseenter');
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(1);
dispatchMouseEvent(cascader.nativeElement, 'mouseleave');
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(2);
}));
it('should clear timer on option mouseenter and mouseleave', fakeAsync(() => {
const mouseenter = createMouseEvent('mouseenter');
const mouseleave = createMouseEvent('mouseleave');
const option = options1[0]; // zhejiang
testComponent.nzExpandTrigger = 'hover';
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
flush();
fixture.detectChanges();
const optionEl = getItemAtColumnAndRow(1, 1)!;
expect(optionEl.classList).not.toContain('ant-cascader-menu-item-active');
testComponent.cascader.onOptionMouseEnter(option, 0, mouseenter);
fixture.detectChanges();
tick(10);
fixture.detectChanges();
expect(optionEl.classList).not.toContain('ant-cascader-menu-item-active');
testComponent.cascader.onOptionMouseLeave(option, 0, mouseleave);
fixture.detectChanges();
tick(400);
fixture.detectChanges();
expect(optionEl.classList).not.toContain('ant-cascader-menu-item-active');
testComponent.cascader.onOptionMouseEnter(option, 0, mouseenter);
fixture.detectChanges();
tick(400);
fixture.detectChanges();
expect(optionEl.classList).toContain('ant-cascader-menu-item-active');
}));
it('should disabled work', fakeAsync(() => {
fixture.detectChanges();
expect(cascader.nativeElement.classList).not.toContain('ant-select-disabled');
testComponent.nzDisabled = true;
fixture.detectChanges();
expect(cascader.nativeElement.classList).toContain('ant-select-disabled');
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(0);
cascader.nativeElement.click();
fixture.detectChanges();
tick();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(0);
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
tick();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(0);
}));
it('should disabled state work', fakeAsync(() => {
fixture.detectChanges();
expect(cascader.nativeElement.classList).not.toContain('ant-select-disabled');
testComponent.cascader.setDisabledState(true);
fixture.detectChanges();
expect(cascader.nativeElement.classList).toContain('ant-select-disabled');
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(0);
cascader.nativeElement.click();
fixture.detectChanges();
tick();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(0);
}));
it('should disabled mouse hover open', fakeAsync(() => {
testComponent.nzTriggerAction = 'hover';
testComponent.nzDisabled = true;
fixture.detectChanges();
expect(testComponent.cascader.nzDisabled).toBe(true);
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(0);
dispatchMouseEvent(cascader.nativeElement, 'mouseenter');
tick(300);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(0);
testComponent.nzDisabled = false;
fixture.detectChanges();
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
expect(testComponent.cascader.nzDisabled).toBe(false);
expect(testComponent.cascader.menuVisible).toBe(true);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(1);
testComponent.nzDisabled = true;
fixture.detectChanges();
dispatchMouseEvent(cascader.nativeElement, 'mouseleave');
tick(300);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(1);
}));
it('should mouse leave not work when menu not open', fakeAsync(() => {
testComponent.nzTriggerAction = ['hover'];
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
dispatchMouseEvent(cascader.nativeElement, 'mouseleave');
fixture.detectChanges();
tick(300);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.onVisibleChange).toHaveBeenCalledTimes(0);
}));
it('should clear value work', fakeAsync(() => {
fixture.detectChanges();
testComponent.nzAllowClear = true;
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
fixture.detectChanges();
flush();
expect(testComponent.values!.length).toBe(3);
fixture.detectChanges();
spyOn(testComponent, 'onClear');
cascader.nativeElement.querySelector('.ant-select-clear span[nz-icon]').click();
fixture.detectChanges();
expect(testComponent.values!.length).toBe(0);
expect(testComponent.onClear).toHaveBeenCalled();
}));
it('should clear value work 2', fakeAsync(() => {
fixture.detectChanges();
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
fixture.detectChanges();
flush();
expect(testComponent.values!.length).toBe(3);
fixture.detectChanges();
spyOn(testComponent, 'onClear');
testComponent.cascader.clearSelection();
fixture.detectChanges();
expect(testComponent.values!.length).toBe(0);
expect(testComponent.onClear).toHaveBeenCalled();
}));
it('should autofocus work', () => {
testComponent.nzShowInput = true;
testComponent.nzAutoFocus = true;
fixture.detectChanges();
expect(getInputEl().getAttribute('autofocus')).toBe('autofocus');
testComponent.nzAutoFocus = false;
fixture.detectChanges();
expect(getInputEl().getAttribute('autofocus')).toBe(null);
});
it('should input focus and blur work', fakeAsync(() => {
const fakeInputFocusEvent = createFakeEvent('focus', false, true);
const fakeInputBlurEvent = createFakeEvent('blur', false, true);
fixture.detectChanges();
expect(cascader.nativeElement.classList).not.toContain('ant-select-focused');
getInputEl().dispatchEvent(fakeInputFocusEvent);
fixture.detectChanges();
expect(cascader.nativeElement.classList).toContain('ant-select-focused');
getInputEl().dispatchEvent(fakeInputBlurEvent);
fixture.detectChanges();
expect(cascader.nativeElement.classList).not.toContain('ant-select-focused');
testComponent.cascader.setMenuVisible(true);
getInputEl().dispatchEvent(fakeInputFocusEvent);
fixture.detectChanges();
expect(cascader.nativeElement.classList).toContain('ant-select-focused');
getInputEl().dispatchEvent(fakeInputBlurEvent);
fixture.detectChanges();
expect(cascader.nativeElement.classList).toContain('ant-select-focused');
}));
it('should focus and blur function work', () => {
testComponent.nzShowInput = true;
cascader.nativeElement.click();
fixture.detectChanges();
expect(getInputEl() === document.activeElement).toBe(false);
testComponent.cascader.focus();
fixture.detectChanges();
expect(getInputEl() === document.activeElement).toBe(true);
testComponent.cascader.blur();
fixture.detectChanges();
expect(getInputEl() === document.activeElement).toBe(false);
});
it('should focus and blur function work 2', () => {
testComponent.nzShowInput = false;
cascader.nativeElement.click();
fixture.detectChanges();
expect(cascader.nativeElement === document.activeElement).toBe(false);
testComponent.cascader.focus();
fixture.detectChanges();
expect(cascader.nativeElement === document.activeElement).toBe(true);
testComponent.cascader.blur();
fixture.detectChanges();
expect(cascader.nativeElement === document.activeElement).toBe(false);
});
it('should menu class work', fakeAsync(() => {
fixture.detectChanges();
cascader.nativeElement.click();
fixture.detectChanges();
tick(200);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
expect(overlayContainerElement.querySelector('.ant-cascader-menus')!.classList).toContain('menu-classA');
expect(overlayContainerElement.querySelector('.ant-cascader-menu')!.classList).toContain('column-classA');
}));
it('should menu style work', fakeAsync(() => {
fixture.detectChanges();
cascader.nativeElement.click();
fixture.detectChanges();
tick(200);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
const targetElement = overlayContainerElement.querySelector('.menu-classA') as HTMLElement;
expect(targetElement.style.height).toBe('120px');
}));
it('should show input false work', fakeAsync(() => {
testComponent.nzShowInput = false;
fixture.detectChanges();
expect(cascader.nativeElement.querySelector('.ant-select-selection-search-input')).toBeNull();
testComponent.nzAllowClear = true;
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(testComponent.cascader.nzOptions).toBe(options1);
expect(cascader.nativeElement.querySelector('.ant-select-selection-search-input')).toBeNull();
expect(cascader.nativeElement.querySelector('.ant-select-clear')).toBeNull();
expect(cascader.nativeElement.querySelector('.ant-select-selection-item')).toBeNull();
}));
it('should create label work', fakeAsync(() => {
fixture.detectChanges();
expect(cascader.nativeElement.querySelector('.ant-select-selection-item')).toBeNull();
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(getLabelText()).toBe('Zhejiang / Hangzhou / West Lake');
}));
it('should label template work', fakeAsync(() => {
fixture.detectChanges();
expect(cascader.nativeElement.querySelector('.ant-select-selection-item')).toBeNull();
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
testComponent.nzLabelRender = testComponent.renderTpl;
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(getLabelText().trim()).toBe('Zhejiang | Hangzhou | West Lake');
// fix clear
testComponent.clearSelection();
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
testComponent.nzLabelRender = testComponent.renderTpl;
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(getLabelText().trim()).toBe('Zhejiang | Hangzhou | West Lake');
}));
it('should write value work', fakeAsync(() => {
const control = testComponent.cascader;
testComponent.nzOptions = options1;
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(0);
control.writeValue(null);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(0);
control.writeValue(undefined);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(0);
control.writeValue([]);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(0);
control.writeValue(0);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(1);
control.writeValue('');
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(1);
control.writeValue(['zhejiang']);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(1);
expect(control.getSubmitValue()[0]).toBe('zhejiang');
control.writeValue(['zhejiang', 'hangzhou', 'xihu']);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(3);
const values = control.getSubmitValue();
expect(values![0]).toBe('zhejiang');
expect(values![1]).toBe('hangzhou');
expect(values![2]).toBe('xihu');
control.writeValue([
{ value: 'zhejiang', text: 'Zj' },
{ value: 'hangzhou', text: 'Hz' },
{ value: 'xihu', text: 'Xh' }
]);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(3);
const values2 = control.getSubmitValue();
expect(values2[0]).toBe('zhejiang');
expect(values2[1]).toBe('hangzhou');
expect(values2[2]).toBe('xihu');
expect(control.labelRenderText).toBe('Zhejiang / Hangzhou / West Lake');
testComponent.nzOptions = []; // empty collection
fixture.detectChanges();
control.writeValue(['zhejiang', 'hangzhou', 'xihu']); // so these values are not match
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(3);
const values3 = control.getSubmitValue();
expect(values3[0]).toBe('zhejiang');
expect(values3[1]).toBe('hangzhou');
expect(values3[2]).toBe('xihu');
expect(control.labelRenderText).toBe('zhejiang / hangzhou / xihu');
control.writeValue([
{ value: 'zhejiang', label: 'ZJ' },
{ value: 'hangzhou', label: 'HZ' },
{ value: 'xihu', label: 'XH' }
]); // so these values are not match
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(3);
const values4 = control.getSubmitValue();
expect(values4[0]).toBe('zhejiang');
expect(values4[1]).toBe('hangzhou');
expect(values4[2]).toBe('xihu');
expect(control.labelRenderText).toBe('ZJ / HZ / XH');
}));
it('should write value work on setting `nzOptions` asyn', fakeAsync(() => {
const control = testComponent.cascader;
testComponent.nzOptions = null;
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(0);
control.writeValue(null);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(0);
control.writeValue(undefined);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(0);
control.writeValue([]);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(0);
control.writeValue(0);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(1);
control.writeValue('');
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(1);
control.writeValue(['zhejiang']);
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(1);
expect(control.getSubmitValue()[0]).toBe('zhejiang');
expect(control.labelRenderText).toBe('zhejiang');
testComponent.nzOptions = options1; // update the nzOptions like asyn
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(1);
expect(control.getSubmitValue()[0]).toBe('zhejiang');
expect(control.labelRenderText).toBe('Zhejiang');
}));
it('should write value work on setting `nzOptions` async (match)', fakeAsync(() => {
const control = testComponent.cascader;
testComponent.nzOptions = null;
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
fixture.detectChanges();
flush(); // force value to be write
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(3);
expect(control.labelRenderText).toBe('zhejiang / hangzhou / xihu');
testComponent.nzOptions = options1; // update the nzOptions like asyn
fixture.detectChanges();
const values = control.getSubmitValue();
expect(values![0]).toBe('zhejiang');
expect(values![1]).toBe('hangzhou');
expect(values![2]).toBe('xihu');
expect(control.labelRenderText).toBe('Zhejiang / Hangzhou / West Lake');
}));
it('should write value work on setting `nzOptions` async (not match)', fakeAsync(() => {
const control = testComponent.cascader;
testComponent.nzOptions = null;
testComponent.values = ['zhejiang2', 'hangzhou2', 'xihu2'];
fixture.detectChanges();
flush(); // force value to be write
fixture.detectChanges();
expect(control.getSubmitValue().length).toBe(3);
expect(control.labelRenderText).toBe('zhejiang2 / hangzhou2 / xihu2');
testComponent.nzOptions = options1; // update the nzOptions like asyn
fixture.detectChanges(); // but still the values is not match
const values = control.getSubmitValue();
expect(values![0]).toBe('zhejiang2');
expect(values![1]).toBe('hangzhou2');
expect(values![2]).toBe('xihu2');
expect(control.labelRenderText).toBe('zhejiang2 / hangzhou2 / xihu2');
}));
it('should click option to expand', () => {
fixture.detectChanges();
expect(getAllColumns().length).toBe(0); // 0列：未显示菜单
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
expect(getAllColumns().length).toBe(1);
const itemEl1 = overlayContainerElement.querySelector('.ant-cascader-menu')!.firstElementChild as HTMLElement;
itemEl1.click();
fixture.detectChanges();
expect(getAllColumns().length).toBe(2);
const col2 = getAllColumns().item(1);
const itemEl2 = col2.firstElementChild as HTMLElement;
itemEl2.click();
fixture.detectChanges();
expect(getAllColumns().length).toBe(3);
});
it('should click option to change column count', () => {
fixture.detectChanges();
expect(getAllColumns().length).toBe(0); // 0列：未显示菜单
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
expect(getAllColumns().length).toBe(1);
const itemEl1 = getItemAtColumnAndRow(1, 1)!;
itemEl1.click();
fixture.detectChanges();
expect(getAllColumns().length).toBe(2);
const itemEl2 = getItemAtColumnAndRow(2, 1)!;
itemEl2.click();
fixture.detectChanges();
expect(getAllColumns().length).toBe(3);
const itemEl3 = getItemAtColumnAndRow(1, 2)!;
itemEl3.click();
fixture.detectChanges();
expect(getAllColumns().length).toBe(2);
});
it('should click option to change column count 2', fakeAsync(() => {
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
fixture.detectChanges();
cascader.nativeElement.click();
fixture.detectChanges();
flush(); // wait for cdk-overlay to open
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
expect(getAllColumns().length).toBe(3);
const itemEl1 = getItemAtColumnAndRow(1, 1)!;
const itemEl2 = getItemAtColumnAndRow(2, 1)!;
const itemEl3 = getItemAtColumnAndRow(3, 1)!;
expect(itemEl1.classList).toContain('ant-cascader-menu-item-active');
expect(itemEl2.classList).toContain('ant-cascader-menu-item-active');
expect(itemEl3.classList).toContain('ant-cascader-menu-item-active');
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', LEFT_ARROW);
fixture.detectChanges();
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', LEFT_ARROW);
fixture.detectChanges();
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', LEFT_ARROW);
fixture.detectChanges();
expect(getAllColumns().length).toBe(3);
expect(itemEl1.classList).not.toContain('ant-cascader-menu-item-active');
expect(itemEl2.classList).not.toContain('ant-cascader-menu-item-active');
expect(itemEl3.classList).not.toContain('ant-cascader-menu-item-active');
expect(testComponent.values!.join(',')).toBe('zhejiang,hangzhou,xihu');
const itemEl4 = getItemAtColumnAndRow(2, 2)!;
itemEl4.click(); // 选中一个叶子
fixture.detectChanges();
tick(300);
fixture.detectChanges();
flush(); // wait for cdk-overlay close
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
expect(testComponent.values!.join(',')).toBe('zhejiang,ningbo');
}));
it('should click option to change column count 3', () => {
testComponent.nzOptions = options3;
fixture.detectChanges();
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
expect(getAllColumns().length).toBe(1);
const itemEl1 = getItemAtColumnAndRow(1, 1)!;
itemEl1.click();
fixture.detectChanges();
expect(getAllColumns().length).toBe(2);
let itemEl21 = getItemAtColumnAndRow(2, 1)!;
expect(itemEl21.innerText.trim()).toBe('Hangzhou');
const itemEl2 = getItemAtColumnAndRow(1, 2)!;
itemEl2.click();
fixture.detectChanges();
expect(getAllColumns().length).toBe(2);
itemEl21 = getItemAtColumnAndRow(2, 1)!;
expect(itemEl21.innerText.trim()).toBe('Nanjing');
});
it('should click disabled option false to expand', fakeAsync(() => {
testComponent.nzOptions = options2;
fixture.detectChanges();
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
const optionEl1 = getItemAtColumnAndRow(1, 1)!;
const optionEl2 = getItemAtColumnAndRow(1, 2)!;
expect(optionEl1.classList).not.toContain('ant-cascader-menu-item-active');
expect(optionEl2.classList).not.toContain('ant-cascader-menu-item-active');
optionEl1.click();
fixture.detectChanges();
expect(optionEl1.classList).toContain('ant-cascader-menu-item-active');
expect(optionEl2.classList).not.toContain('ant-cascader-menu-item-active');
optionEl2.click();
fixture.detectChanges();
expect(optionEl1.classList).toContain('ant-cascader-menu-item-active');
expect(optionEl2.classList).not.toContain('ant-cascader-menu-item-active');
}));
it('should click leaf option to close menu', fakeAsync(() => {
fixture.detectChanges();
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
getItemAtColumnAndRow(1, 1)!.click();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
getItemAtColumnAndRow(2, 1)!.click();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
getItemAtColumnAndRow(3, 1)!.click();
fixture.detectChanges();
tick(200);
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
expect(getAllColumns().length).toBe(0);
}));
it('should open menu when press DOWN_ARROW', fakeAsync(() => {
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', DOWN_ARROW);
fixture.detectChanges();
tick(200);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
}));
it('should open menu when press UP_ARROW', fakeAsync(() => {
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', UP_ARROW);
fixture.detectChanges();
tick(200);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
}));
it('should close menu when press ESC', fakeAsync(() => {
fixture.detectChanges();
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(true);
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', ESCAPE);
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
}));
it('should nzBackdrop works', fakeAsync(() => {
testComponent.nzBackdrop = true;
fixture.detectChanges();
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
expect(overlayContainerElement.children[0].classList).toContain('cdk-overlay-backdrop');
}));
it('should navigate up when press UP_ARROW', fakeAsync(() => {
fixture.detectChanges();
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
const itemEl1 = overlayContainerElement.querySelector(
'.ant-cascader-menu:nth-child(1) .ant-cascader-menu-item:last-child'
) as HTMLElement; // The last of the fisrt column
expect(itemEl1.classList).not.toContain('ant-cascader-menu-item-active');
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', UP_ARROW);
fixture.detectChanges();
expect(itemEl1.classList).toContain('ant-cascader-menu-item-active');
const itemEl2 = getItemAtColumnAndRow(1, 1)!;
expect(itemEl2.classList).not.toContain('ant-cascader-menu-item-active');
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', UP_ARROW);
fixture.detectChanges();
expect(itemEl2.classList).toContain('ant-cascader-menu-item-active');
expect(itemEl1.classList).not.toContain('ant-cascader-menu-item-active');
}));
it('should navigate down when press DOWN_ARROW', fakeAsync(() => {
fixture.detectChanges();
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
const itemEl1 = getItemAtColumnAndRow(1, 1)!;
expect(itemEl1.classList).not.toContain('ant-cascader-menu-item-active');
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', DOWN_ARROW);
fixture.detectChanges();
expect(itemEl1.classList).toContain('ant-cascader-menu-item-active');
}));
it('should navigate right when press RIGHT_ARROW', fakeAsync(() => {
fixture.detectChanges();
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', DOWN_ARROW);
fixture.detectChanges();
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', RIGHT_ARROW);
fixture.detectChanges();
let itemEl1 = getItemAtColumnAndRow(1, 1)!;
expect(itemEl1.classList).toContain('ant-cascader-menu-item-active');
let itemEl2 = getItemAtColumnAndRow(2, 1)!;
expect(itemEl2.classList).toContain('ant-cascader-menu-item-active');
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', RIGHT_ARROW);
fixture.detectChanges();
itemEl1 = getItemAtColumnAndRow(1, 1)!;
expect(itemEl1.classList).toContain('ant-cascader-menu-item-active');
itemEl2 = getItemAtColumnAndRow(2, 1)!;
expect(itemEl2.classList).toContain('ant-cascader-menu-item-active');
const itemEl3 = getItemAtColumnAndRow(3, 1)!;
expect(itemEl3.classList).toContain('ant-cascader-menu-item-active');
}));
it('should navigate left when press LEFT_ARROW', fakeAsync(() => {
fixture.detectChanges();
testComponent.values = ['zhejiang', 'hangzhou', 'xihu'];
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
flush(); // wait for cdk-overlay to open
fixture.detectChanges();
expect(getAllColumns().length).toBe(3);
const itemEl1 = getItemAtColumnAndRow(1, 1)!;
const itemEl2 = getItemAtColumnAndRow(2, 1)!;
const itemEl3 = getItemAtColumnAndRow(3, 1)!;
expect(itemEl1.classList).toContain('ant-cascader-menu-item-active');
expect(itemEl2.classList).toContain('ant-cascader-menu-item-active');
expect(itemEl3.classList).toContain('ant-cascader-menu-item-active');
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', LEFT_ARROW);
fixture.detectChanges();
expect(itemEl1.classList).toContain('ant-cascader-menu-item-active');
expect(itemEl2.classList).toContain('ant-cascader-menu-item-active');
expect(itemEl3.classList).not.toContain('ant-cascader-menu-item-active');
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', LEFT_ARROW);
fixture.detectChanges();
expect(itemEl1.classList).toContain('ant-cascader-menu-item-active');
expect(itemEl2.classList).not.toContain('ant-cascader-menu-item-active');
expect(itemEl3.classList).not.toContain('ant-cascader-menu-item-active');
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', LEFT_ARROW);
fixture.detectChanges();
expect(itemEl1.classList).not.toContain('ant-cascader-menu-item-active');
expect(itemEl2.classList).not.toContain('ant-cascader-menu-item-active');
expect(itemEl3.classList).not.toContain('ant-cascader-menu-item-active');
}));
it('should select option when press ENTER', fakeAsync(() => {
fixture.detectChanges();
expect(testComponent.values).toBeNull();
testComponent.cascader.setMenuVisible(true);
fixture.detectChanges();
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', DOWN_ARROW); // active 1
fixture.detectChanges();
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', ENTER);
fixture.detectChanges();
expect(testComponent.values).toBeNull(); // not select yet
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', RIGHT_ARROW); // active 2
fixture.detectChanges();
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', ENTER);
fixture.detectChanges();
expect(testComponent.values).toBeNull(); // not select yet
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', RIGHT_ARROW); // active 3
fixture.detectChanges();
expect(testComponent.values).toBeNull(); // not select yet
dispatchKeyboardEvent(cascader.nativeElement, 'keydown', ENTER);
fixture.detectChanges();
flush();
fixture.detectChanges();
expect(testComponent.values).toBeDefined();
expect(testComponent.values!.length).toBe(3);
expect(testComponent.values![0]).toBe('zhejiang');
expect(testComponent.values![1]).toBe('hangzhou');
expect(testComponent.values![2]).toBe('xihu');
flush();
fixture.detectChanges();
expect(testComponent.cascader.menuVisible).toBe(false);
}));
it('should key nav disabled option correct', fakeAsync(() => {
testComponent.nzOptions = options2;