1 files changed, 63 insertions, 0 deletions
diff --git a/services/sync/tests/unit/test_resource_header.js b/services/sync/tests/unit/test_resource_header.js
new file mode 100644
index 0000000000..2b58d5d8f1
--- /dev/null
+++ b/services/sync/tests/unit/test_resource_header.js
@@ -0,0 +1,63 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { Resource } = ChromeUtils.importESModule(
+  "resource://services-sync/resource.sys.mjs"
+);
+
+var httpServer = new HttpServer();
+httpServer.registerPathHandler("/content", contentHandler);
+httpServer.start(-1);
+
+const HTTP_PORT = httpServer.identity.primaryPort;
+const TEST_URL = "http://localhost:" + HTTP_PORT + "/content";
+const BODY = "response body";
+
+// Keep headers for later inspection.
+var auth = null;
+var foo = null;
+function contentHandler(metadata, response) {
+  _("Handling request.");
+  auth = metadata.getHeader("Authorization");
+  foo = metadata.getHeader("X-Foo");
+
+  _("Extracted headers. " + auth + ", " + foo);
+
+  response.setHeader("Content-Type", "text/plain");
+  response.bodyOutputStream.write(BODY, BODY.length);
+}
+
+// Set a proxy function to cause an internal redirect.
+function triggerRedirect() {
+  const PROXY_FUNCTION =
+    "function FindProxyForURL(url, host) {" +
+    "  return 'PROXY a_non_existent_domain_x7x6c572v:80; " +
+    "PROXY localhost:" +
+    HTTP_PORT +
+    "';" +
+    "}";
+
+  let prefs = Services.prefs.getBranch("network.proxy.");
+  prefs.setIntPref("type", 2);
+  prefs.setCharPref("autoconfig_url", "data:text/plain," + PROXY_FUNCTION);
+}
+
+add_task(async function test_headers_copied() {
+  triggerRedirect();
+
+  _("Issuing request.");
+  let resource = new Resource(TEST_URL);
+  resource.setHeader("Authorization", "Basic foobar");
+  resource.setHeader("X-Foo", "foofoo");
+
+  let result = await resource.get(TEST_URL);
+  _("Result: " + result.data);
+
+  Assert.equal(result.data, BODY);
+  Assert.equal(auth, "Basic foobar");
+  Assert.equal(foo, "foofoo");
+
+  await promiseStopServer(httpServer);
+});