import { assertEquals } from "../testing/asserts.ts";import { partitionEntries } from "./partition_entries.ts";
function partitionEntriesTest<T>( input: [Record<string, T>, (entry: [string, T]) => boolean], expected: [match: Record<string, T>, rest: Record<string, T>], message?: string,) { const actual = partitionEntries(...input); assertEquals(actual, expected, message);}
Deno.test({ name: "[collections/partitionEntries] no mutation", fn() { const object = { a: 5, b: true }; partitionEntries(object, ([key]) => key !== "a");
assertEquals(object, { a: 5, b: true }); },});
Deno.test({ name: "[collections/partitionEntries] empty input", fn() { partitionEntriesTest( [{}, () => true], [{}, {}], ); },});
Deno.test({ name: "[collections/partitionEntries] identity", fn() { partitionEntriesTest( [ { foo: true, bar: "lorem", 1: -5, }, () => true, ], [{ foo: true, bar: "lorem", 1: -5, }, {}], ); },});
Deno.test({ name: "[collections/partitionEntries] clean object", fn() { partitionEntriesTest( [ { test: "foo", "": [] }, () => false, ], [{}, { test: "foo", "": [] }], ); },});
Deno.test({ name: "[collections/partitionEntries] filters", fn() { partitionEntriesTest( [ { "Anna": 22, "Kim": 24, "Karen": 33, "Claudio": 11, "Karl": 45, }, ([name, age]) => name.startsWith("K") && age > 30, ], [ { "Karen": 33, "Karl": 45, }, { "Anna": 22, "Kim": 24, "Claudio": 11, }, ], ); partitionEntriesTest( [ { "A": true, "b": "foo", "C": 5, "d": -2, "": false, }, ([key]) => key.toUpperCase() === key, ], [ { "A": true, "C": 5, "": false, }, { "b": "foo", "d": -2, }, ], ); },});