123 lines
4.1 KiB
TypeScript
123 lines
4.1 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 {
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printReceivedStringContainExpectedResult,
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printReceivedStringContainExpectedSubstring
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} from 'expect/build/print';
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import { isString } from '../../utils/utils';
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import { currentTestInfo } from '../globals';
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import type { Expect } from '../types';
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import { expectType, pollUntilDeadline } from '../util';
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export async function toMatchText(
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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: (timeout: number) => Promise<string>,
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expected: string | RegExp,
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options: { timeout?: number, matchSubstring?: boolean, normalizeWhiteSpace?: boolean } = {},
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) {
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const testInfo = currentTestInfo();
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if (!testInfo)
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throw new Error(`${matcherName} must be called during the test`);
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expectType(receiver, receiverType, matcherName);
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const matcherOptions = {
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isNot: this.isNot,
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promise: this.promise,
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};
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if (
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!(typeof expected === 'string') &&
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!(expected && typeof expected.test === 'function')
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) {
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throw new Error(
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this.utils.matcherErrorMessage(
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this.utils.matcherHint(matcherName, undefined, undefined, matcherOptions),
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`${this.utils.EXPECTED_COLOR(
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'expected',
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)} value must be a string or regular expression`,
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this.utils.printWithType('Expected', expected, this.utils.printExpected),
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),
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);
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}
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let received: string;
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let pass = false;
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if (options.normalizeWhiteSpace && isString(expected))
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expected = normalizeWhiteSpace(expected);
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await pollUntilDeadline(testInfo, async remainingTime => {
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received = await query(remainingTime);
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if (options.normalizeWhiteSpace && isString(expected))
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received = normalizeWhiteSpace(received);
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if (options.matchSubstring)
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pass = received.includes(expected as string);
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else if (typeof expected === 'string')
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pass = received === expected;
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else
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pass = expected.test(received);
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return pass === !matcherOptions.isNot;
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}, options.timeout, testInfo._testFinished);
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const stringSubstring = options.matchSubstring ? 'substring' : 'string';
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const message = pass
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? () =>
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typeof expected === 'string'
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? this.utils.matcherHint(matcherName, undefined, undefined, matcherOptions) +
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'\n\n' +
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`Expected ${stringSubstring}: not ${this.utils.printExpected(expected)}\n` +
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`Received string: ${printReceivedStringContainExpectedSubstring(
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received,
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received.indexOf(expected),
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expected.length,
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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 pattern: not ${this.utils.printExpected(expected)}\n` +
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`Received string: ${printReceivedStringContainExpectedResult(
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received,
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typeof expected.exec === 'function'
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? expected.exec(received)
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: null,
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)}`
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: () => {
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const labelExpected = `Expected ${typeof expected === 'string' ? stringSubstring : 'pattern'
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}`;
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const labelReceived = 'Received string';
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return (
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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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labelExpected,
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labelReceived,
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this.expand !== false,
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));
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};
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return { message, pass };
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}
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export function normalizeWhiteSpace(s: string) {
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return s.trim().replace(/\s+/g, ' ');
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}
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