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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test the behavior of ResourceWatcher when the top level target changes
const {
ResourceWatcher,
} = require("devtools/shared/resources/resource-watcher");
const { CONSOLE_MESSAGE, SOURCE } = ResourceWatcher.TYPES;
const TEST_URI =
"data:text/html;charset=utf-8,<script>console.log('foo');</script>";
add_task(async function() {
const tab = await addTab(TEST_URI);
const { client, resourceWatcher, targetList } = await initResourceWatcher(
tab
);
info("Check the resources gotten from getAllResources at initial");
is(
resourceWatcher.getAllResources(CONSOLE_MESSAGE).length,
0,
"There is no resources before calling watchResources"
);
info(
"Start to watch the available resources in order to compare with resources gotten from getAllResources"
);
const availableResources = [];
const onAvailable = resources => {
// Ignore message coming from shared worker started by previous tests and
// logging late a console message
resources
.filter(r => {
return !r.message.arguments[0].startsWith("[WORKER] started");
})
.map(r => availableResources.push(r));
};
await resourceWatcher.watchResources([CONSOLE_MESSAGE], { onAvailable });
is(availableResources.length, 1, "Got the page message");
is(
availableResources[0].message.arguments[0],
"foo",
"Got the expected page message"
);
// Register another listener before unregistering the console listener
// otherwise the resource watcher stop watching for targets
const onSourceAvailable = () => {};
await resourceWatcher.watchResources([SOURCE], {
onAvailable: onSourceAvailable,
});
info(
"Unregister the console listener and check that we no longer listen for console messages"
);
resourceWatcher.unwatchResources([CONSOLE_MESSAGE], {
onAvailable,
});
let onSwitched = targetList.once("switched-target");
info("Navigate to another process");
BrowserTestUtils.loadURI(gBrowser.selectedBrowser, "about:robots");
await BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser);
await onSwitched;
is(
availableResources.length,
1,
"about:robots doesn't fire any new message, so we should have a new one"
);
info("Navigate back to data: URI");
onSwitched = targetList.once("switched-target");
BrowserTestUtils.loadURI(gBrowser.selectedBrowser, TEST_URI);
await BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser);
await onSwitched;
is(
availableResources.length,
1,
"the data:URI fired a message, but we are no longer listening to it, so no new one should be notified"
);
is(
resourceWatcher.getAllResources(CONSOLE_MESSAGE).length,
0,
"As we are no longer listening to CONSOLE message, we should not collect any"
);
resourceWatcher.unwatchResources([SOURCE], {
onAvailable: onSourceAvailable,
});
await targetList.destroy();
await client.close();
});
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