deno.land / std@0.224.0 / collections / filter_values_test.ts

filter_values_test.ts
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "../assert/mod.ts";import { filterValues } from "./filter_values.ts";
function filterValuesTest<T>( input: [Record<string, T>, (value: T) => boolean], expected: Record<string, T>, message?: string,) { const actual = filterValues(...input); assertEquals(actual, expected, message);}
Deno.test({ name: "filterValues() handles no mutation", fn() { const object = { a: 5, b: true }; filterValues(object, (it) => it !== 5);
assertEquals(object, { a: 5, b: true }); },});
Deno.test({ name: "filterValues() handles empty input", fn() { filterValuesTest( [{}, () => true], {}, ); },});
Deno.test({ name: "filterValues() handles identity", fn() { filterValuesTest( [ { foo: true, bar: "lorem", 1: -5, }, () => true, ], { foo: true, bar: "lorem", 1: -5, }, ); },});
Deno.test({ name: "filterValues() handles filters", fn() { filterValuesTest( [ { "a5e4": { job: "Testing", error: true }, "112d": { job: "Building", error: false }, "0a1e": { job: "Approval", error: true }, }, (it) => it.error, ], { "a5e4": { job: "Testing", error: true }, "0a1e": { job: "Approval", error: true }, }, ); filterValuesTest( [ { "todo": ["1023", "1024"], "dev": ["1010, 1040", "1001"], "done": ["1000"], }, (it) => it.length > 1, ], { "todo": ["1023", "1024"], "dev": ["1010, 1040", "1001"], }, ); },});
std

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Tagged at
6 months ago