1 files changed, 90 insertions, 0 deletions
diff --git a/devtools/shared/commands/resource/tests/browser_resources_clear_resources.js b/devtools/shared/commands/resource/tests/browser_resources_clear_resources.js
new file mode 100644
index 0000000000..44068cb141
--- /dev/null
+++ b/devtools/shared/commands/resource/tests/browser_resources_clear_resources.js
@@ -0,0 +1,90 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test the clearResources function of the ResourceCommand
+
+add_task(async () => {
+  const tab = await addTab(`${URL_ROOT_SSL}empty.html`);
+  const { client, resourceCommand, targetCommand } = await initResourceCommand(
+    tab
+  );
+
+  info("Assert the initial no of resources");
+  assertNoOfResources(resourceCommand, 0, 0);
+
+  const onAvailable = () => {};
+  const onUpdated = () => {};
+
+  await resourceCommand.watchResources(
+    [
+      resourceCommand.TYPES.CONSOLE_MESSAGE,
+      resourceCommand.TYPES.NETWORK_EVENT,
+    ],
+    { onAvailable, onUpdated }
+  );
+
+  info("Log some messages");
+  await logConsoleMessages(tab.linkedBrowser, ["log1", "log2", "log3"]);
+
+  info("Trigger some network requests");
+  const EXAMPLE_DOMAIN = "https://example.com/";
+  await triggerNetworkRequests(tab.linkedBrowser, [
+    `await fetch("${EXAMPLE_DOMAIN}/request1.html", { method: "GET" });`,
+    `await fetch("${EXAMPLE_DOMAIN}/request2.html", { method: "GET" });`,
+  ]);
+
+  assertNoOfResources(resourceCommand, 3, 2);
+
+  info("Clear the network event resources");
+  await resourceCommand.clearResources([resourceCommand.TYPES.NETWORK_EVENT]);
+  assertNoOfResources(resourceCommand, 3, 0);
+
+  info("Clear the console message resources");
+  await resourceCommand.clearResources([resourceCommand.TYPES.CONSOLE_MESSAGE]);
+  assertNoOfResources(resourceCommand, 0, 0);
+
+  resourceCommand.unwatchResources(
+    [
+      resourceCommand.TYPES.CONSOLE_MESSAGE,
+      resourceCommand.TYPES.NETWORK_EVENT,
+    ],
+    { onAvailable, onUpdated, ignoreExistingResources: true }
+  );
+
+  targetCommand.destroy();
+  await client.close();
+});
+
+function assertNoOfResources(
+  resourceCommand,
+  expectedNoOfConsoleMessageResources,
+  expectedNoOfNetworkEventResources
+) {
+  const actualNoOfConsoleMessageResources = resourceCommand.getAllResources(
+    resourceCommand.TYPES.CONSOLE_MESSAGE
+  ).length;
+  is(
+    actualNoOfConsoleMessageResources,
+    expectedNoOfConsoleMessageResources,
+    `There are ${actualNoOfConsoleMessageResources} console messages resources`
+  );
+
+  const actualNoOfNetworkEventResources = resourceCommand.getAllResources(
+    resourceCommand.TYPES.NETWORK_EVENT
+  ).length;
+  is(
+    actualNoOfNetworkEventResources,
+    expectedNoOfNetworkEventResources,
+    `There are ${actualNoOfNetworkEventResources} network event resources`
+  );
+}
+
+function logConsoleMessages(browser, messages) {
+  return SpecialPowers.spawn(browser, [messages], innerMessages => {
+    for (const message of innerMessages) {
+      content.console.log(message);
+    }
+  });
+}