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/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { ɵCONTAINER_HEADER_OFFSET as CONTAINER_HEADER_OFFSET, ɵDeferBlockState as DeferBlockState, ɵgetDeferBlocks as getDeferBlocks, ɵrenderDeferBlockState as renderDeferBlockState, ɵtriggerResourceLoading as triggerResourceLoading, } from '@angular/core';
/**
* Represents an individual defer block for testing purposes.
*
* @publicApi
*/
export class DeferBlockFixture {
/** @nodoc */
constructor(block, componentFixture) {
this.block = block;
this.componentFixture = componentFixture;
}
/**
* Renders the specified state of the defer fixture.
* @param state the defer state to render
*/
async render(state) {
if (!hasStateTemplate(state, this.block)) {
const stateAsString = getDeferBlockStateNameFromEnum(state);
throw new Error(`Tried to render this defer block in the \`${stateAsString}\` state, ` +
`but there was no @${stateAsString.toLowerCase()} block defined in a template.`);
}
if (state === DeferBlockState.Complete) {
await triggerResourceLoading(this.block.tDetails, this.block.lView, this.block.tNode);
}
// If the `render` method is used explicitly - skip timer-based scheduling for
// `@placeholder` and `@loading` blocks and render them immediately.
const skipTimerScheduling = true;
renderDeferBlockState(state, this.block.tNode, this.block.lContainer, skipTimerScheduling);
this.componentFixture.detectChanges();
}
/**
* Retrieves all nested child defer block fixtures
* in a given defer block.
*/
getDeferBlocks() {
const deferBlocks = [];
// An LContainer that represents a defer block has at most 1 view, which is
// located right after an LContainer header. Get a hold of that view and inspect
// it for nested defer blocks.
const deferBlockFixtures = [];
if (this.block.lContainer.length >= CONTAINER_HEADER_OFFSET) {
const lView = this.block.lContainer[CONTAINER_HEADER_OFFSET];
getDeferBlocks(lView, deferBlocks);
for (const block of deferBlocks) {
deferBlockFixtures.push(new DeferBlockFixture(block, this.componentFixture));
}
}
return Promise.resolve(deferBlockFixtures);
}
}
function hasStateTemplate(state, block) {
switch (state) {
case DeferBlockState.Placeholder:
return block.tDetails.placeholderTmplIndex !== null;
case DeferBlockState.Loading:
return block.tDetails.loadingTmplIndex !== null;
case DeferBlockState.Error:
return block.tDetails.errorTmplIndex !== null;
case DeferBlockState.Complete:
return true;
default:
return false;
}
}
function getDeferBlockStateNameFromEnum(state) {
switch (state) {
case DeferBlockState.Placeholder:
return 'Placeholder';
case DeferBlockState.Loading:
return 'Loading';
case DeferBlockState.Error:
return 'Error';
default:
return 'Main';
}
}
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