104 lines
4.0 KiB
TypeScript
104 lines
4.0 KiB
TypeScript
/*
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Copyright 2023 The Matrix.org Foundation C.I.C.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 React from "react";
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import { formatList, formatCount, formatCountLong } from "../../src/utils/FormattingUtils";
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import SettingsStore from "../../src/settings/SettingsStore";
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jest.mock("../../src/dispatcher/dispatcher");
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describe("FormattingUtils", () => {
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describe("formatCount", () => {
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it.each([
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{ count: 999, expectedCount: "999" },
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{ count: 9999, expectedCount: "10K" },
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{ count: 99999, expectedCount: "100K" },
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{ count: 999999, expectedCount: "1M" },
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{ count: 9999999, expectedCount: "10M" },
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{ count: 99999999, expectedCount: "100M" },
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{ count: 999999999, expectedCount: "1B" },
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{ count: 9999999999, expectedCount: "10B" },
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])("formats $count as $expectedCount", ({ count, expectedCount }) => {
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expect(formatCount(count)).toBe(expectedCount);
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});
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});
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describe("formatCountLong", () => {
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it("formats numbers according to the locale", () => {
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expect(formatCountLong(1000)).toBe("1,000");
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});
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});
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describe("formatList", () => {
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beforeEach(() => {
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jest.resetAllMocks();
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jest.spyOn(SettingsStore, "getValue").mockReturnValue("en-GB");
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});
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it("should return empty string when given empty list", () => {
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expect(formatList([])).toEqual("");
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});
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it("should return only item when given list of length 1", () => {
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expect(formatList(["abc"])).toEqual("abc");
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});
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it("should return expected sentence in English without item limit", () => {
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expect(formatList(["abc", "def", "ghi"])).toEqual("abc, def and ghi");
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});
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it("should return expected sentence in German without item limit", () => {
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jest.spyOn(SettingsStore, "getValue").mockReturnValue("de");
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expect(formatList(["abc", "def", "ghi"])).toEqual("abc, def und ghi");
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});
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it("should return expected sentence in English with item limit", () => {
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expect(formatList(["abc", "def", "ghi", "jkl"], 2)).toEqual("abc, def and 2 others");
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expect(formatList(["abc", "def", "ghi", "jkl"], 3)).toEqual("abc, def, ghi and one other");
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});
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it("should return expected sentence in English with item limit and includeCount", () => {
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expect(formatList(["abc", "def", "ghi", "jkl"], 3, true)).toEqual("abc, def and 2 others");
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expect(formatList(["abc", "def", "ghi", "jkl"], 4, true)).toEqual("abc, def, ghi and jkl");
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});
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it("should return expected sentence in ReactNode when given 2 React children", () => {
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expect(formatList([<span key="a">a</span>, <span key="b">b</span>])).toMatchSnapshot();
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});
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it("should return expected sentence in ReactNode when given more React children", () => {
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expect(
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formatList([
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<span key="a">a</span>,
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<span key="b">b</span>,
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<span key="c">c</span>,
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<span key="d">d</span>,
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]),
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).toMatchSnapshot();
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});
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it("should return expected sentence in ReactNode when using itemLimit", () => {
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expect(
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formatList(
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[<span key="a">a</span>, <span key="b">b</span>, <span key="c">c</span>, <span key="d">d</span>],
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2,
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),
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).toMatchSnapshot();
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});
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});
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});
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