@dash0/sdk-web
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Dash0's Web SDK to collect telemetry from end-users' web browsers
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JavaScript
import { expect, describe, it, beforeEach, afterEach } from "vitest";
import { addUrlAttributes } from "./url";
import { vars } from "../vars";
import { identity } from "../utils/fn";
import { URL_DOMAIN, URL_FRAGMENT, URL_FULL, URL_PATH, URL_QUERY, URL_SCHEME } from "../semantic-conventions";
describe("addUrlAttributes", () => {
let attributes;
let originalScrubber;
beforeEach(() => {
attributes = [];
originalScrubber = vars.urlAttributeScrubber;
vars.urlAttributeScrubber = identity;
});
afterEach(() => {
vars.urlAttributeScrubber = originalScrubber;
});
describe("URL parsing and attribute extraction", () => {
it("extracts all URL components for complete URL", () => {
const url = "https://example.com:8080/path/to/resource?param1=value1¶m2=value2#section1";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{
key: URL_FULL,
value: { stringValue: "https://example.com:8080/path/to/resource?param1=value1¶m2=value2#section1" },
},
{ key: URL_PATH, value: { stringValue: "/path/to/resource" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
{ key: URL_FRAGMENT, value: { stringValue: "section1" } },
{ key: URL_QUERY, value: { stringValue: "param1=value1¶m2=value2" } },
]);
});
it("handles URL with only required components", () => {
const url = "https://example.com";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://example.com/" } },
{ key: URL_PATH, value: { stringValue: "/" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
]);
});
it("handles URL with path but no query or fragment", () => {
const url = "http://example.com/some/path";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "http://example.com/some/path" } },
{ key: URL_PATH, value: { stringValue: "/some/path" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "http" } },
]);
});
it("handles URL with query but no fragment", () => {
const url = "https://example.com/path?query=test";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://example.com/path?query=test" } },
{ key: URL_PATH, value: { stringValue: "/path" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
{ key: URL_QUERY, value: { stringValue: "query=test" } },
]);
});
it("handles URL with fragment but no query", () => {
const url = "https://example.com/path#section";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://example.com/path#section" } },
{ key: URL_PATH, value: { stringValue: "/path" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
{ key: URL_FRAGMENT, value: { stringValue: "section" } },
]);
});
it("accepts URL object as input", () => {
const urlObject = new URL("https://example.com/path?query=test#fragment");
addUrlAttributes(attributes, urlObject);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://example.com/path?query=test#fragment" } },
{ key: URL_PATH, value: { stringValue: "/path" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
{ key: URL_FRAGMENT, value: { stringValue: "fragment" } },
{ key: URL_QUERY, value: { stringValue: "query=test" } },
]);
});
});
describe("credential redaction functionality", () => {
it("redacts username and password from URL", () => {
const url = "https://user:pass@example.com/path";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://REDACTED:REDACTED@example.com/path" } },
{ key: URL_PATH, value: { stringValue: "/path" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
]);
});
it("redacts username when password is not present", () => {
const url = "https://user@example.com/path";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://REDACTED@example.com/path" } },
{ key: URL_PATH, value: { stringValue: "/path" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
]);
});
it("handles special characters in credentials", () => {
const url = "https://user%40domain:p%40ssw0rd@example.com/path";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://REDACTED:REDACTED@example.com/path" } },
{ key: URL_PATH, value: { stringValue: "/path" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
]);
});
});
describe("URL attribute scrubber integration", () => {
it("applies custom scrubber to URL attributes", () => {
const customScrubber = (attrs) => ({
...attrs,
[URL_PATH]: "REDACTED",
[URL_QUERY]: undefined,
});
vars.urlAttributeScrubber = customScrubber;
const url = "https://example.com/sensitive/path?secret=value#fragment";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://example.com/sensitive/path?secret=value#fragment" } },
{ key: URL_PATH, value: { stringValue: "REDACTED" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
{ key: URL_FRAGMENT, value: { stringValue: "fragment" } },
]);
});
it("applies scrubber that removes all optional attributes", () => {
const restrictiveScrubber = (attrs) => ({
[URL_FULL]: attrs[URL_FULL],
});
vars.urlAttributeScrubber = restrictiveScrubber;
const url = "https://example.com/path?query=test#fragment";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://example.com/path?query=test#fragment" } },
]);
});
it("handles scrubber that throws an error", () => {
const errorScrubber = () => {
throw new Error("Scrubber error");
};
vars.urlAttributeScrubber = errorScrubber;
const url = "https://example.com/path";
addUrlAttributes(attributes, url);
expect(attributes).toHaveLength(0);
});
it("applies identity scrubber correctly", () => {
vars.urlAttributeScrubber = identity;
const url = "https://example.com/path?query=test";
addUrlAttributes(attributes, url);
expect(attributes).toHaveLength(5);
expect(attributes.find((attr) => attr.key === URL_FULL)?.value).toEqual({
stringValue: "https://example.com/path?query=test",
});
expect(attributes.find((attr) => attr.key === URL_PATH)?.value).toEqual({ stringValue: "/path" });
expect(attributes.find((attr) => attr.key === URL_DOMAIN)?.value).toEqual({ stringValue: "example.com" });
expect(attributes.find((attr) => attr.key === URL_SCHEME)?.value).toEqual({ stringValue: "https" });
expect(attributes.find((attr) => attr.key === URL_QUERY)?.value).toEqual({ stringValue: "query=test" });
});
});
describe("error handling for invalid URLs", () => {
it("handles invalid URL with identity scrubber by adding full URL", () => {
vars.urlAttributeScrubber = identity;
const invalidUrl = "not-a-valid-url";
addUrlAttributes(attributes, invalidUrl);
// Invalid URLs still parse but create fallback attributes
expect(attributes.length).toBeGreaterThan(0);
// The actual behavior might be different based on the parsing logic
const fullAttr = attributes.find((attr) => attr.key === URL_FULL);
expect(fullAttr).toBeDefined();
});
it("handles invalid URL with custom scrubber by dropping attributes", () => {
const customScrubber = (attrs) => attrs;
vars.urlAttributeScrubber = customScrubber;
const invalidUrl = "not-a-valid-url";
addUrlAttributes(attributes, invalidUrl);
// With custom scrubber, invalid URLs still get parsed with fallback
expect(attributes.length).toBeGreaterThan(0);
});
it("handles empty string URL with identity scrubber", () => {
vars.urlAttributeScrubber = identity;
const emptyUrl = "";
addUrlAttributes(attributes, emptyUrl);
// Empty URLs still parse but create fallback attributes
expect(attributes.length).toBeGreaterThan(0);
expect(attributes.find((attr) => attr.key === URL_FULL)?.value).toEqual({
stringValue: "http://localhost:3000/",
});
});
it("handles relative URL that can be parsed with base", () => {
// This should work if there's a document.baseURI or location.href available
const relativeUrl = "/relative/path?query=test";
// This might throw or might work depending on environment
addUrlAttributes(attributes, relativeUrl);
// We expect either parsed attributes or fallback behavior
expect(attributes.length).toBeGreaterThanOrEqual(0);
});
});
describe("prefix functionality for attributes", () => {
it("applies string prefix to attribute keys", () => {
const url = "https://example.com/path";
const prefix = "page";
addUrlAttributes(attributes, url, prefix);
expect(attributes).toEqual([
{ key: "page.url.full", value: { stringValue: "https://example.com/path" } },
{ key: "page.url.path", value: { stringValue: "/path" } },
{ key: "page.url.domain", value: { stringValue: "example.com" } },
{ key: "page.url.scheme", value: { stringValue: "https" } },
]);
});
it("applies array prefix to attribute keys", () => {
const url = "https://example.com/path?query=test";
const prefix = ["http", "request"];
addUrlAttributes(attributes, url, prefix);
expect(attributes).toEqual([
{ key: "http.request.url.full", value: { stringValue: "https://example.com/path?query=test" } },
{ key: "http.request.url.path", value: { stringValue: "/path" } },
{ key: "http.request.url.domain", value: { stringValue: "example.com" } },
{ key: "http.request.url.scheme", value: { stringValue: "https" } },
{ key: "http.request.url.query", value: { stringValue: "query=test" } },
]);
});
it("handles empty string prefix", () => {
const url = "https://example.com/path";
const prefix = "";
addUrlAttributes(attributes, url, prefix);
expect(attributes).toEqual([
{ key: "url.full", value: { stringValue: "https://example.com/path" } },
{ key: "url.path", value: { stringValue: "/path" } },
{ key: "url.domain", value: { stringValue: "example.com" } },
{ key: "url.scheme", value: { stringValue: "https" } },
]);
});
it("handles undefined prefix", () => {
const url = "https://example.com/path";
addUrlAttributes(attributes, url, undefined);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://example.com/path" } },
{ key: URL_PATH, value: { stringValue: "/path" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
]);
});
it("applies prefix with error handling fallback", () => {
vars.urlAttributeScrubber = identity;
const invalidUrl = "invalid-url";
const prefix = "page";
addUrlAttributes(attributes, invalidUrl, prefix);
// With prefix and identity scrubber, fallback should include prefix
expect(attributes.length).toBeGreaterThan(0);
// The actual behavior might be different based on the parsing logic
const fullAttr = attributes.find((attr) => attr.key === "page.url.full");
expect(fullAttr).toBeDefined();
});
});
describe("edge cases and corner cases", () => {
it("handles URL with port number", () => {
const url = "https://example.com:8080/path";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "https://example.com:8080/path" } },
{ key: URL_PATH, value: { stringValue: "/path" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
]);
});
it("handles URL with IP address", () => {
const url = "http://192.168.1.1:8080/api";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "http://192.168.1.1:8080/api" } },
{ key: URL_PATH, value: { stringValue: "/api" } },
{ key: URL_DOMAIN, value: { stringValue: "192.168.1.1" } },
{ key: URL_SCHEME, value: { stringValue: "http" } },
]);
});
it("handles URL with IPv6 address", () => {
const url = "http://[::1]:8080/path";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{ key: URL_FULL, value: { stringValue: "http://[::1]:8080/path" } },
{ key: URL_PATH, value: { stringValue: "/path" } },
{ key: URL_DOMAIN, value: { stringValue: "[::1]" } },
{ key: URL_SCHEME, value: { stringValue: "http" } },
]);
});
it("handles URL with encoded characters", () => {
const url = "https://example.com/path%20with%20spaces?query=value%20with%20spaces#fragment%20with%20spaces";
addUrlAttributes(attributes, url);
expect(attributes).toEqual([
{
key: URL_FULL,
value: {
stringValue: "https://example.com/path%20with%20spaces?query=value%20with%20spaces#fragment%20with%20spaces",
},
},
{ key: URL_PATH, value: { stringValue: "/path%20with%20spaces" } },
{ key: URL_DOMAIN, value: { stringValue: "example.com" } },
{ key: URL_SCHEME, value: { stringValue: "https" } },
{ key: URL_FRAGMENT, value: { stringValue: "fragment%20with%20spaces" } },
{ key: URL_QUERY, value: { stringValue: "query=value%20with%20spaces" } },
]);
});
it("handles different protocol schemes", () => {
const protocols = ["ftp", "ws", "wss", "file"];
protocols.forEach((protocol) => {
attributes = []; // Reset attributes for each test
const url = `${protocol}://example.com/path`;
addUrlAttributes(attributes, url);
const schemeAttr = attributes.find((attr) => attr.key === URL_SCHEME);
expect(schemeAttr?.value).toEqual({ stringValue: protocol });
});
});
});
});