@uswds/uswds
Version:
Open source UI components and visual style guide for U.S. government websites
38 lines (32 loc) • 1.39 kB
JavaScript
const assert = require("assert");
const { generateDynamicRegExp } = require("../index");
describe("generateDynamicRegExp function", () => {
it("allows for static string", () => {
const regex = generateDynamicRegExp("something", "");
assert.ok(regex.test("something"));
assert.strictEqual(regex.test("something else"), false);
});
it("allows for string replacement", () => {
const regex = generateDynamicRegExp("something{{ query }}", " else");
assert.ok(regex.test("something else"));
assert.strictEqual(regex.test("something"), false);
});
it("allows for string replacement with filter", () => {
const regex = generateDynamicRegExp("something{{ filter }}", " Else", {
filter: "([LS]+)",
});
assert.ok(regex.test("somethingLS"));
assert.strictEqual(regex.test("something"), false);
assert.strictEqual(regex.test("something Else"), false);
});
it("allows for escaped string", () => {
const regex = generateDynamicRegExp("something\\{\\{else\\}\\}", " else");
assert.ok(regex.test("something{{else}}"));
assert.strictEqual(regex.test("something else"), false);
});
it("escapes regular expression inputs", () => {
const regex = generateDynamicRegExp("something {{query}}", ".* else");
assert.ok(regex.test("something .* else"));
assert.strictEqual(regex.test("something ?? else"), false);
});
});