77 lines
2.9 KiB
TypeScript
77 lines
2.9 KiB
TypeScript
/**
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* Copyright Microsoft Corporation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import type { Expect } from '../types';
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import { expectTypes } from '../util';
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import { callLogText, currentExpectTimeout } from '../util';
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import type { ParsedStackTrace } from 'playwright-core/lib/utils/stackTrace';
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import { captureStackTrace } from 'playwright-core/lib/utils/stackTrace';
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// Omit colon and one or more spaces, so can call getLabelPrinter.
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const EXPECTED_LABEL = 'Expected';
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const RECEIVED_LABEL = 'Received';
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// The optional property of matcher context is true if undefined.
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const isExpand = (expand?: boolean): boolean => expand !== false;
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export async function toEqual<T>(
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this: ReturnType<Expect['getState']>,
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matcherName: string,
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receiver: any,
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receiverType: string,
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query: (isNot: boolean, timeout: number, customStackTrace: ParsedStackTrace) => Promise<{ matches: boolean, received?: any, log?: string[] }>,
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expected: T,
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options: { timeout?: number, contains?: boolean } = {},
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) {
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expectTypes(receiver, [receiverType], matcherName);
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const matcherOptions = {
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comment: options.contains ? '' : 'deep equality',
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isNot: this.isNot,
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promise: this.promise,
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};
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const timeout = currentExpectTimeout(options);
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const customStackTrace = captureStackTrace();
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customStackTrace.apiName = 'expect.' + matcherName;
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const { matches: pass, received, log } = await query(this.isNot, timeout, customStackTrace);
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const message = pass
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? () =>
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this.utils.matcherHint(matcherName, undefined, undefined, matcherOptions) +
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'\n\n' +
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`Expected: not ${this.utils.printExpected(expected)}\n` +
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(this.utils.stringify(expected) !== this.utils.stringify(received)
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? `Received: ${this.utils.printReceived(received)}`
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: '') + callLogText(log)
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: () =>
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this.utils.matcherHint(matcherName, undefined, undefined, matcherOptions) +
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'\n\n' +
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this.utils.printDiffOrStringify(
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expected,
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received,
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EXPECTED_LABEL,
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RECEIVED_LABEL,
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isExpand(this.expand),
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) + callLogText(log);
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// Passing the actual and expected objects so that a custom reporter
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// could access them, for example in order to display a custom visual diff,
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// or create a different error message
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return { actual: received, expected, message, name: matcherName, pass };
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}
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