1 files changed, 69 insertions, 0 deletions
diff --git a/devtools/shared/tests/xpcshell/test_fetch-http.js b/devtools/shared/tests/xpcshell/test_fetch-http.js
new file mode 100644
index 0000000000..deb9c7b8f6
--- /dev/null
+++ b/devtools/shared/tests/xpcshell/test_fetch-http.js
@@ -0,0 +1,69 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Tests for DevToolsUtils.fetch on http:// URI's.
+
+const { HttpServer } = ChromeUtils.importESModule(
+  "resource://testing-common/httpd.sys.mjs"
+);
+
+const server = new HttpServer();
+server.registerDirectory("/", do_get_cwd());
+server.registerPathHandler("/cached.json", cacheRequestHandler);
+server.start(-1);
+
+const port = server.identity.primaryPort;
+const serverURL = "http://localhost:" + port;
+const CACHED_URL = serverURL + "/cached.json";
+const NORMAL_URL = serverURL + "/test_fetch-http.js";
+
+function cacheRequestHandler(request, response) {
+  info("Got request for " + request.path);
+  response.setHeader("Cache-Control", "max-age=10000", false);
+  response.setStatusLine(request.httpVersion, 200, "OK");
+  response.setHeader("Content-Type", "application/json", false);
+
+  const body = "[" + Math.random() + "]";
+  response.bodyOutputStream.write(body, body.length);
+}
+
+do_get_profile();
+
+registerCleanupFunction(() => {
+  return new Promise(resolve => server.stop(resolve));
+});
+
+add_task(async function test_normal() {
+  await DevToolsUtils.fetch(NORMAL_URL).then(({ content }) => {
+    ok(
+      content.includes("The content looks correct."),
+      "The content looks correct."
+    );
+  });
+});
+
+add_task(async function test_caching() {
+  let initialContent = null;
+
+  info("Performing the first request.");
+  await DevToolsUtils.fetch(CACHED_URL).then(({ content }) => {
+    info("Got the first response: " + content);
+    initialContent = content;
+  });
+
+  info("Performing another request, expecting to get cached response.");
+  await DevToolsUtils.fetch(CACHED_URL).then(({ content }) => {
+    deepEqual(content, initialContent, "The content was loaded from cache.");
+  });
+
+  info("Performing a third request with cache bypassed.");
+  const opts = { loadFromCache: false };
+  await DevToolsUtils.fetch(CACHED_URL, opts).then(({ content }) => {
+    notDeepEqual(
+      content,
+      initialContent,
+      "The URL wasn't loaded from cache with loadFromCache: false."
+    );
+  });
+});