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go-to-step.directive.spec.ts
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go-to-step.directive.spec.ts
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import {Component} from '@angular/core';
import {async, ComponentFixture, fakeAsync, TestBed} from '@angular/core/testing';
import {By} from '@angular/platform-browser';
import {ArchwizardModule} from '../archwizard.module';
import {NavigationMode} from '../navigation/navigation-mode.interface';
import {WizardState} from '../navigation/wizard-state.model';
import {GoToStepDirective} from './go-to-step.directive';
@Component({
selector: 'aw-test-wizard',
template: `
<aw-wizard>
<aw-wizard-step stepTitle='Steptitle 1' [canExit]="canExit">
Step 1
<button type="button" [awGoToStep]="{stepIndex: 0}" (preFinalize)="finalizeStep(1)">
Stay at this step
</button>
<button type="button" [awGoToStep]="{stepIndex: goToSecondStep}" (preFinalize)="finalizeStep(1)">
Go to second step
</button>
<button type="button" [awGoToStep]="{stepOffset: 2}" (preFinalize)="finalizeStep(1)">
Go to third step
</button>
</aw-wizard-step>
<aw-wizard-step stepTitle='Steptitle 2' awOptionalStep>
Step 2
<button type="button" [awGoToStep]="{stepIndex: 2}" (finalize)="finalizeStep(2)">
Go to third step
</button>
<button type="button" [awGoToStep]="{incorrectKey: 3}" (finalize)="finalizeStep(2)">
Invalid Button
</button>
</aw-wizard-step>
<aw-wizard-step stepTitle='Steptitle 3'>
Step 3
<button type="button" [awGoToStep]="{stepOffset: -2}" (postFinalize)="finalizeStep(3)">
Go to first step
</button>
</aw-wizard-step>
</aw-wizard>
`
})
class WizardTestComponent {
public goToSecondStep = 1;
public canExit = true;
public eventLog: Array<string> = [];
public finalizeStep(stepIndex: number): void {
this.eventLog.push(`finalize ${stepIndex}`);
}
}
describe('GoToStepDirective', () => {
let wizardTest: WizardTestComponent;
let wizardTestFixture: ComponentFixture<WizardTestComponent>;
let wizardState: WizardState;
let navigationMode: NavigationMode;
beforeEach(async(() => {
TestBed.configureTestingModule({
declarations: [WizardTestComponent],
imports: [ArchwizardModule]
}).compileComponents();
}));
beforeEach(() => {
wizardTestFixture = TestBed.createComponent(WizardTestComponent);
wizardTestFixture.detectChanges();
wizardTest = wizardTestFixture.componentInstance;
wizardState = wizardTestFixture.debugElement.query(By.css('aw-wizard')).injector.get(WizardState);
navigationMode = wizardState.navigationMode;
});
it('should create an instance', () => {
expect(wizardTestFixture.debugElement.query(By.css('aw-wizard-navigation-bar'))
.queryAll(By.directive(GoToStepDirective)).length).toBe(3);
expect(wizardTestFixture.debugElement.query(By.css('aw-wizard-step[stepTitle="Steptitle 1"]'))
.queryAll(By.directive(GoToStepDirective)).length).toBe(3);
expect(wizardTestFixture.debugElement.query(By.css('aw-wizard-step[stepTitle="Steptitle 2"]'))
.queryAll(By.directive(GoToStepDirective)).length).toBe(2);
expect(wizardTestFixture.debugElement.query(By.css('aw-wizard-step[stepTitle="Steptitle 3"]'))
.queryAll(By.directive(GoToStepDirective)).length).toBe(1);
expect(wizardTestFixture.debugElement.queryAll(By.directive(GoToStepDirective)).length).toBe(9);
});
it('should throw an error when using an invalid targetStep value', fakeAsync(() => {
const invalidGoToAttribute = wizardTestFixture.debugElement
.query(By.css('aw-wizard-step[stepTitle="Steptitle 2"]'))
.queryAll(By.directive(GoToStepDirective))[1].injector.get(GoToStepDirective) as GoToStepDirective;
expect(() => invalidGoToAttribute.destinationStep)
.toThrow(new Error(`Input 'targetStep' is neither a WizardStep, StepOffset, StepIndex or StepId`));
}));
});