1 files changed, 35 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/src/har/test/browser_harautomation_simple.js b/devtools/client/netmonitor/src/har/test/browser_harautomation_simple.js
new file mode 100644
index 0000000000..9da746d28f
--- /dev/null
+++ b/devtools/client/netmonitor/src/har/test/browser_harautomation_simple.js
@@ -0,0 +1,35 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const HAR_FILENAME = "test_filename.har";
+
+// We expect the HAR file to be created on reload in profD/har/logs
+const HAR_PATH = ["har", "logs", HAR_FILENAME];
+
+/**
+ * Smoke test for automated HAR export.
+ * Note that the `enableAutoExportToFile` is set from browser-harautomation.ini
+ * because the preference needs to be set before starting the browser.
+ */
+add_task(async function () {
+  // Set a simple test filename for the exported HAR.
+  await pushPref("devtools.netmonitor.har.defaultFileName", "test_filename");
+
+  const tab = await addTab(SIMPLE_URL);
+  const toolbox = await gDevTools.showToolboxForTab(tab, {
+    toolId: "inspector",
+  });
+
+  await reloadBrowser();
+
+  info("Wait until the HAR file is created in the profile directory");
+  await waitUntil(() => FileUtils.getFile("ProfD", HAR_PATH).exists());
+
+  const harFile = FileUtils.getFile("ProfD", HAR_PATH);
+  ok(harFile.exists(), "HAR file was automatically created");
+
+  await toolbox.destroy();
+  await removeTab(tab);
+});