27 lines
956 B
TypeScript
27 lines
956 B
TypeScript
import { describe, expect, it } from "vitest";
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import { compileSafeRegex, hasNestedRepetition } from "./safe-regex.js";
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describe("safe regex", () => {
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it("flags nested repetition patterns", () => {
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expect(hasNestedRepetition("(a+)+$")).toBe(true);
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expect(hasNestedRepetition("^(?:foo|bar)$")).toBe(false);
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});
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it("rejects unsafe nested repetition during compile", () => {
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expect(compileSafeRegex("(a+)+$")).toBeNull();
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});
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it("compiles common safe filter regex", () => {
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const re = compileSafeRegex("^agent:.*:discord:");
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expect(re).toBeInstanceOf(RegExp);
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expect(re?.test("agent:main:discord:channel:123")).toBe(true);
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expect(re?.test("agent:main:telegram:channel:123")).toBe(false);
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});
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it("supports explicit flags", () => {
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const re = compileSafeRegex("token=([A-Za-z0-9]+)", "gi");
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expect(re).toBeInstanceOf(RegExp);
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expect("TOKEN=abcd1234".replace(re as RegExp, "***")).toBe("***");
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});
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});
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