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29 lines
786 B
TypeScript
29 lines
786 B
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// This module is browser compatible.
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import { AssertionError } from "./assertion_error.ts";
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/**
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* Make an assertion that `actual` not match RegExp `expected`. If match
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* then throw.
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*
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* @example
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* ```ts
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* import { assertNotMatch } from "@std/assert/assert-not-match";
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*
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* assertNotMatch("Denosaurus", RegExp(/Raptor/)); // Doesn't throw
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* assertNotMatch("Raptor", RegExp(/Raptor/)); // Throws
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* ```
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*/
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export function assertNotMatch(
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actual: string,
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expected: RegExp,
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msg?: string,
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) {
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if (expected.test(actual)) {
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const msgSuffix = msg ? `: ${msg}` : ".";
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msg =
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`Expected actual: "${actual}" to not match: "${expected}"${msgSuffix}`;
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throw new AssertionError(msg);
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}
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}
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