import { addUtmParams, BASE_PARAMS } from "content-src/lib/addUtmParams.mjs"; describe("addUtmParams", () => { const originalBaseParams = JSON.parse(JSON.stringify(BASE_PARAMS)); afterEach(() => Object.assign(BASE_PARAMS, originalBaseParams)); it("should convert a string URL", () => { const result = addUtmParams("https://foo.com", "foo"); assert.equal(result.hostname, "foo.com"); }); it("should add all base params", () => { assert.match( addUtmParams(new URL("https://foo.com"), "foo").toString(), /utm_source=activity-stream&utm_campaign=firstrun&utm_medium=referral/ ); }); it("should allow updating base params utm values", () => { BASE_PARAMS.utm_campaign = "firstrun-default"; assert.match( addUtmParams(new URL("https://foo.com"), "foo", "default").toString(), /utm_source=activity-stream&utm_campaign=firstrun-default&utm_medium=referral/ ); }); it("should add utm_term", () => { const params = addUtmParams(new URL("https://foo.com"), "foo").searchParams; assert.equal(params.get("utm_term"), "foo", "utm_term"); }); it("should not override the URL's existing utm param values", () => { const url = new URL("https://foo.com/?utm_source=foo&utm_campaign=bar"); const params = addUtmParams(url, "foo").searchParams; assert.equal(params.get("utm_source"), "foo", "utm_source"); assert.equal(params.get("utm_campaign"), "bar", "utm_campaign"); assert.equal(params.get("utm_medium"), "referral", "utm_medium"); }); });