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import { IterableTestGroup } from '../internal/test_group.js';
import { assert } from '../util/util.js';
import { parseQuery } from './query/parseQuery.js';
import { TestQuery } from './query/query.js';
import { TestSuiteListing } from './test_suite_listing.js';
import { loadTreeForQuery, TestTree, TestTreeLeaf } from './tree.js';
// A listing file, e.g. either of:
// - `src/webgpu/listing.ts` (which is dynamically computed, has a Promise<TestSuiteListing>)
// - `out/webgpu/listing.js` (which is pre-baked, has a TestSuiteListing)
interface ListingFile {
listing: Promise<TestSuiteListing> | TestSuiteListing;
}
// A .spec.ts file, as imported.
export interface SpecFile {
readonly description: string;
readonly g: IterableTestGroup;
}
export interface ImportInfo {
url: string;
}
interface TestFileLoaderEventMap {
import: MessageEvent<ImportInfo>;
finish: MessageEvent<void>;
}
export interface TestFileLoader extends EventTarget {
addEventListener<K extends keyof TestFileLoaderEventMap>(
type: K,
listener: (this: TestFileLoader, ev: TestFileLoaderEventMap[K]) => void,
options?: boolean | AddEventListenerOptions
): void;
addEventListener(
type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | AddEventListenerOptions
): void;
removeEventListener<K extends keyof TestFileLoaderEventMap>(
type: K,
listener: (this: TestFileLoader, ev: TestFileLoaderEventMap[K]) => void,
options?: boolean | EventListenerOptions
): void;
removeEventListener(
type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | EventListenerOptions
): void;
}
// Base class for DefaultTestFileLoader and FakeTestFileLoader.
export abstract class TestFileLoader extends EventTarget {
abstract listing(suite: string): Promise<TestSuiteListing>;
protected abstract import(path: string): Promise<SpecFile>;
importSpecFile(suite: string, path: string[]): Promise<SpecFile> {
const url = `${suite}/${path.join('/')}.spec.js`;
this.dispatchEvent(
new MessageEvent<ImportInfo>('import', { data: { url } })
);
return this.import(url);
}
async loadTree(query: TestQuery, subqueriesToExpand: string[] = []): Promise<TestTree> {
const tree = await loadTreeForQuery(
this,
query,
subqueriesToExpand.map(s => {
const q = parseQuery(s);
assert(q.level >= 2, () => `subqueriesToExpand entries should not be multi-file:\n ${q}`);
return q;
})
);
this.dispatchEvent(new MessageEvent<void>('finish'));
return tree;
}
async loadCases(query: TestQuery): Promise<IterableIterator<TestTreeLeaf>> {
const tree = await this.loadTree(query);
return tree.iterateLeaves();
}
}
export class DefaultTestFileLoader extends TestFileLoader {
async listing(suite: string): Promise<TestSuiteListing> {
return ((await import(`../../${suite}/listing.js`)) as ListingFile).listing;
}
import(path: string): Promise<SpecFile> {
return import(`../../${path}`);
}
}
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