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import * as tape from 'tape';
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import { ActivatableMixin} from '@implab/core/components/ActivatableMixin';
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import { AsyncComponent } from '@implab/core/components/AsyncComponent';
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import { IActivationController, IActivatable, ICancellation } from '@implab/core/interfaces';
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import { Cancellation } from '@implab/core/Cancellation';
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class SimpleActivatable extends ActivatableMixin(AsyncComponent) {
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}
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class MockActivationController implements IActivationController {
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_active: IActivatable = null;
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getActive() : IActivatable {
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return this._active;
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}
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async deactivate() {
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if (this._active)
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await this._active.deactivate();
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this._active = null;
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}
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async activate(component: IActivatable) {
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if (!component || component.isActive())
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return;
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component.setActivationController(this);
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await component.activate();
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}
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async activating(component: IActivatable, ct: ICancellation = Cancellation.none) {
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if (component != this._active)
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await this.deactivate();
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}
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async activated(component: IActivatable, ct: ICancellation = Cancellation.none) {
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this._active = component;
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}
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async deactivating(component: IActivatable, ct: ICancellation = Cancellation.none) {
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}
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async deactivated(component: IActivatable, ct: ICancellation = Cancellation.none) {
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if (this._active == component)
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this._active = null;
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}
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}
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tape('simple activation',async function(t){
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let a = new SimpleActivatable();
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t.false(a.isActive());
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await a.activate();
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t.true(a.isActive());
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await a.deactivate();
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t.false(a.isActive());
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t.end();
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});
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tape('controller activation', async function(t) {
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let a = new SimpleActivatable();
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let c = new MockActivationController();
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t.false(a.isActive(), "the component is not active by default");
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t.assert(c.getActive() == null, "the activation controller doesn't have an active component by default");
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t.assert(a.getActivationController() == null, "the component doesn't have an activation controller by default");
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t.comment("Active the component through the controller");
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await c.activate(a);
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t.true(a.isActive(), "The component should successfully activate");
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t.equal(c.getActive(), a, "The controller should point to the activated component");
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t.equal(a.getActivationController(), c, "The component should point to the controller");
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t.comment("Deactive the component throug the controller");
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await c.deactivate();
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t.false(a.isActive(), "The component should successfully deactivate");
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t.equal(c.getActive(), null, "The controller shouldn't point to any component");
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t.equal(a.getActivationController(), c, "The componet should point to it's controller");
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t.end();
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});
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tape('handle error in onActivating', async function(t) {
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let a = new SimpleActivatable();
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a.onActivating = async function() {
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throw "Should fail";
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};
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try {
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await a.activate();
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t.fail("activation should fail");
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} catch {
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}
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t.false(a.isActive(), "the component should remain inactive");
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t.end();
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});
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