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GPT_SHIM_MSG = "Google Publisher Tags is being shimmed by Firefox"
GAGTA_SHIM_MSG = "Google Analytics and Tag Manager is being shimmed by Firefox"
async def is_gtag_placeholder_displayed(client, url, finder, **kwargs):
await client.navigate(url, **kwargs)
client.execute_async_script(
"""
const done = arguments[0];
if (window.dataLayer?.push?.toString() === [].push.toString()) {
return done();
}
setTimeout(() => {
dataLayer.push({
event: "datalayerReady",
eventTimeout: 1,
eventCallback: done,
});
}, 100);
"""
)
return client.is_displayed(client.find_element(finder))
async def clicking_link_navigates(client, url, finder, **kwargs):
await client.navigate(url, **kwargs)
elem = client.await_element(finder)
return client.session.execute_async_script(
"""
const elem = arguments[0],
done = arguments[1];
window.onbeforeunload = function() {
done(true);
};
elem.click();
setTimeout(() => {
done(false);
}, 1000);
""",
args=[elem],
)
async def verify_redirectors(client, urls, expected="REDIRECTED"):
await client.navigate(client.inline("<html>"))
for url, type in urls.items():
assert expected == client.execute_async_script(
"""
const [url, type, resolve] = arguments;
fetch(url).then(async response => {
if (!response.ok) {
return resolve("FAILED");
}
try {
if (type === "image") {
const blob = await response.blob();
const url = URL.createObjectURL(blob);
const img = new Image(1, 1);
await new Promise((res, rej) => {
img.onerror = rej;
img.onload = res;
img.src = url;
});
} else if (type === "js") {
const text = await response.text();
if (!text.includes("This script is intentionally empty")) {
throw "";
}
} else {
return resolve("UNKNOWN TYPE");
}
} catch(_) {
return resolve("TYPE MISMATCH");
}
resolve(response.redirected ? "REDIRECTED" : "LOADED");
}).catch(_ => {
resolve("BLOCKED");
});
""",
url,
type,
)