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/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test the TargetCommand API around workers
const FISSION_TEST_URL = URL_ROOT_SSL + "fission_document.html";
add_task(async function () {
// Disable the preloaded process as it creates processes intermittently
// which forces the emission of RDP requests we aren't correctly waiting for.
await pushPref("dom.ipc.processPrelaunch.enabled", false);
await pushPref("devtools.debugger.show-content-scripts", true);
const extension = ExtensionTestUtils.loadExtension({
manifest: {
name: "Addon with content script",
content_scripts: [
{
js: ["content-script.js"],
},
],
},
files: {
"content-script.js": function () {
browser.test.notifyPass("contentScriptRan");
}
}
});
await extension.startup();
info("Test TargetCommand against content scripts via a tab target");
const tab = await addTab(FISSION_TEST_URL);
await extension.awaitFinish("contentScriptRan");
// Create a TargetCommand for the tab
const commands = await CommandsFactory.forTab(tab);
const targetCommand = commands.targetCommand;
await commands.targetCommand.startListening();
const { TYPES } = targetCommand;
info("Check that getAllTargets only returns content scripts");
const contentScripts = await targetCommand.getAllTargets([
TYPES.CONTENT_SCRIPT,
]);
is(contentScripts.length, 1, "Retrieved the content script");
const [contentScript] = contentScripts;
Assert.stringContains(contentScript.title, "Addon with content script");
info(
"Assert that watchTargets works for the existing content script"
);
const targets = [];
const destroyedTargets = [];
const onAvailable = async ({ targetFront }) => {
info(`onAvailable called for ${targetFront.title}`);
is(
targetFront.targetType,
TYPES.CONTENT_SCRIPT,
"We are only notified about content script targets"
);
ok(!targetFront.isTopLevel, "The content scripts are never top level");
targets.push(targetFront);
info(`Handled ${targets.length} targets\n`);
};
const onDestroyed = async ({ targetFront }) => {
is(
targetFront.targetType,
TYPES.CONTENT_SCRIPT,
"We are only notified about content script targets"
);
destroyedTargets.push(targetFront);
};
await targetCommand.watchTargets({
types: [TYPES.CONTENT_SCRIPT],
onAvailable,
onDestroyed,
});
is (targets.length, 1, "watchTargets notifies about a unique target");
is(targets[0], contentScript, "watchTargets reports the same target instance");
await reloadBrowser();
await waitFor(() => destroyedTargets.length == 1, "Wait for content script target to be destroyed on navigation");
await waitFor(() => targets.length == 2, "Wait for a new content script target to be created on navigation");
is(destroyedTargets[0], contentScript, "the previous target is destroyed");
is(targets.length, 2, "a new target is notified");
Assert.stringContains(targets[1].title, "Addon with content script", "the new target is still about the same content script");
await extension.unload();
await waitFor(() => destroyedTargets.length == 2, "Content scripts are destroyed on extension destruction");
targetCommand.unwatchTargets({
types: [TYPES.CONTENT_SCRIPT],
onAvailable,
onDestroyed,
});
targetCommand.destroy();
BrowserTestUtils.removeTab(tab);
await commands.destroy();
});