forked from svrjs/svrjs
77 lines
2.4 KiB
JavaScript
77 lines
2.4 KiB
JavaScript
const createRegex = require("../../src/utils/createRegex");
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const os = require("os");
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jest.mock("os", () => ({
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platform: jest.fn(),
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}));
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describe("createRegex", () => {
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beforeEach(() => {
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os.platform.mockReset();
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});
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test("should throw an error for invalid regular expression", () => {
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expect(() => createRegex("invalid/regex", false)).toThrow(
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"Invalid regular expression: invalid/regex",
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);
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});
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test("should create a regular expression without modifiers", () => {
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const regex = createRegex("/test/", false);
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expect(regex).toBeInstanceOf(RegExp);
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expect(regex.source).toBe("test");
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expect(regex.flags).toBe("");
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});
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test("should create a regular expression with modifiers", () => {
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const regex = createRegex("/test/gi", false);
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expect(regex).toBeInstanceOf(RegExp);
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expect(regex.source).toBe("test");
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expect(regex.flags).toBe("gi");
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});
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test('should add "i" modifier for paths on Windows', () => {
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os.platform.mockReturnValue("win32");
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const regex = createRegex("/test/", true);
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expect(regex).toBeInstanceOf(RegExp);
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expect(regex.source).toBe("test");
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expect(regex.flags).toBe("i");
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});
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test('should not add "i" modifier for paths on non-Windows platforms', () => {
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os.platform.mockReturnValue("linux");
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const regex = createRegex("/test/", true);
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expect(regex).toBeInstanceOf(RegExp);
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expect(regex.source).toBe("test");
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expect(regex.flags).toBe("");
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});
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test('should not add "i" modifier if already present', () => {
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os.platform.mockReturnValue("win32");
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const regex = createRegex("/test/i", true);
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expect(regex).toBeInstanceOf(RegExp);
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expect(regex.source).toBe("test");
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expect(regex.flags).toBe("i");
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});
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test("should handle escaped characters in the search string", () => {
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const regex = createRegex("/test\\/path/", false);
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expect(regex).toBeInstanceOf(RegExp);
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expect(regex.source).toBe("test\\/path");
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expect(regex.flags).toBe("");
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});
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test("should handle multiple modifiers", () => {
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const regex = createRegex("/test/gim", false);
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expect(regex).toBeInstanceOf(RegExp);
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expect(regex.source).toBe("test");
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expect(regex.flags).toBe("gim");
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});
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test("should handle empty search string", () => {
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const regex = createRegex("/^$/", false);
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expect(regex).toBeInstanceOf(RegExp);
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expect(regex.source).toBe("^$");
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expect(regex.flags).toBe("");
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});
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});
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