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<!DOCTYPE html>
<html>
<head>
<title>Test for telemetry for content script injection</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script src="chrome://mochikit/content/tests/SimpleTest/ExtensionTestUtils.js"></script>
<script src="head.js"></script>
<link rel="stylesheet" href="chrome://mochikit/contents/tests/SimpleTest/test.css"/>
</head>
<body>
<script>
"use strict";
const HISTOGRAM = "WEBEXT_CONTENT_SCRIPT_INJECTION_MS";
add_task(async function test_contentscript_telemetry() {
// Turn on telemetry and reset it to the previous state once the test is completed.
const telemetryCanRecordBase = SpecialPowers.Services.telemetry.canRecordBase;
SpecialPowers.Services.telemetry.canRecordBase = true;
SimpleTest.registerCleanupFunction(() => {
SpecialPowers.Services.telemetry.canRecordBase = telemetryCanRecordBase;
});
function background() {
browser.test.onMessage.addListener(() => {
browser.tabs.executeScript({code: 'browser.test.sendMessage("content-script-run");'});
});
}
let extensionData = {
manifest: {
permissions: ["<all_urls>"],
},
background,
};
let win = window.open("http://example.com/");
let extension = ExtensionTestUtils.loadExtension(extensionData);
let histogram = SpecialPowers.Services.telemetry.getHistogramById(HISTOGRAM);
histogram.clear();
is(histogram.snapshot().sum, 0,
`No data recorded for histogram: ${HISTOGRAM}.`);
await extension.startup();
is(histogram.snapshot().sum, 0,
`No data recorded for histogram after startup: ${HISTOGRAM}.`);
extension.sendMessage();
await extension.awaitMessage("content-script-run");
let histogramSum = histogram.snapshot().sum;
ok(histogramSum > 0,
`Data recorded for first extension for histogram: ${HISTOGRAM}.`);
win.close();
await extension.unload();
});
</script>
</body>
</html>
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