mirror of
https://github.com/sstallion/obsidian-command-line.git
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66 lines
2.6 KiB
TypeScript
66 lines
2.6 KiB
TypeScript
/*
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* Copyright (c) 2025 Steven Stallion <sstallion@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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import { describe, expect, test, vi } from "vitest";
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import * as util from "../src/util";
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describe("getLanguage()", () => {
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test("defaults to empty string", () => {
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const codeEl = document.createElement("code");
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expect(util.getLanguage(codeEl)).toBe("");
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});
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test("returns language", () => {
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const codeEl = document.createElement("code");
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codeEl.classList.add("language-test");
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expect(util.getLanguage(codeEl)).toBe("test");
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});
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test("returns first language in list", () => {
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const codeEl = document.createElement("code");
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for (const name of ["first", "next", "last"]) {
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codeEl.classList.add(`language-${name}`);
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}
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expect(util.getLanguage(codeEl)).toBe("first");
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});
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});
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describe("mapTail()", () => {
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test("defaults to empty array", () => {
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expect(util.mapTail([], vi.fn())).toStrictEqual([]);
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});
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test("accumulates head and tail elements", () => {
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expect(
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util.mapTail(["head", "", ""], (value) => value + "tail"),
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).toStrictEqual(["head", "tail", "tail"]);
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});
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test("skips callbacks without tail elements", () => {
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const callbackFn = vi.fn();
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util.mapTail(["head"], callbackFn);
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expect(callbackFn).not.toHaveBeenCalled();
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});
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});
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