every.channel: sanitized baseline

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every.channel 2026-02-15 16:17:27 -05:00
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use std::ffi::OsStr;
use std::io::{BufRead, BufReader, Write};
use std::process::{Command, Stdio};
use std::time::{Duration, Instant};
fn which(cmd: &str) -> Option<std::path::PathBuf> {
if let Ok(path) = which::which(cmd) {
return Some(path);
}
None
}
fn chrome_path() -> Option<std::path::PathBuf> {
// Prefer the standard macOS Chrome app bundle.
let mac =
std::path::PathBuf::from("/Applications/Google Chrome.app/Contents/MacOS/Google Chrome");
if mac.exists() {
return Some(mac);
}
which("google-chrome")
.or_else(|| which("google-chrome-stable"))
.or_else(|| which("chromium"))
}
fn ec_node_path() -> std::path::PathBuf {
if let Ok(value) = std::env::var("EC_NODE_BIN") {
return value.into();
}
if let Ok(value) = std::env::var("CARGO_BIN_EXE_ec_node") {
return value.into();
}
if let Ok(value) = std::env::var("CARGO_BIN_EXE_ec-node") {
return value.into();
}
let exe = std::env::current_exe().expect("current_exe");
let debug_dir = exe
.parent()
.and_then(|p| p.parent())
.expect("expected target/debug/deps");
debug_dir.join("ec-node")
}
fn read_line_with_timeout(
lines: &mut dyn Iterator<Item = std::io::Result<String>>,
timeout: Duration,
) -> Option<String> {
let deadline = Instant::now() + timeout;
while Instant::now() < deadline {
match lines.next() {
Some(Ok(line)) => {
let line = line.trim().to_string();
if !line.is_empty() {
return Some(line);
}
}
Some(Err(_)) => continue,
None => break,
}
}
None
}
fn generate_ts_fixture(out: &std::path::Path) -> anyhow::Result<()> {
// Deterministic-ish fixture: single-threaded x264, fixed GOP, sine audio.
let status = Command::new("ffmpeg")
.arg("-hide_banner")
.arg("-loglevel")
.arg("error")
.arg("-nostdin")
.arg("-y")
.arg("-f")
.arg("lavfi")
.arg("-i")
.arg("testsrc2=size=1280x720:rate=30")
.arg("-f")
.arg("lavfi")
.arg("-i")
.arg("sine=frequency=1000:sample_rate=48000")
.arg("-t")
.arg("12")
.arg("-map")
.arg("0:v:0")
.arg("-map")
.arg("1:a:0")
.arg("-c:v")
.arg("libx264")
.arg("-pix_fmt")
.arg("yuv420p")
.arg("-g")
.arg("60")
.arg("-keyint_min")
.arg("60")
.arg("-sc_threshold")
.arg("0")
.arg("-bf")
.arg("0")
.arg("-threads")
.arg("1")
.arg("-c:a")
.arg("aac")
.arg("-b:a")
.arg("128k")
.arg("-ac")
.arg("2")
.arg("-ar")
.arg("48000")
.arg("-f")
.arg("mpegts")
.arg(out)
.status()?;
if !status.success() {
anyhow::bail!("ffmpeg fixture generation failed with {status}");
}
Ok(())
}
fn click_button_by_text(tab: &headless_chrome::Tab, text: &str) -> anyhow::Result<()> {
let js = format!(
r#"(function() {{
let btns = Array.from(document.querySelectorAll('button'));
let btn = btns.find(b => (b.innerText || '').trim() === {t});
if (!btn) return false;
btn.click();
return true;
}})();"#,
t = serde_json::to_string(text).unwrap()
);
let v = tab.evaluate(&js, false)?;
let ok = v.value.and_then(|v| v.as_bool()).unwrap_or(false);
if !ok {
anyhow::bail!("button not found: {text}");
}
Ok(())
}
fn fill_input_by_placeholder(
tab: &headless_chrome::Tab,
placeholder: &str,
value: &str,
) -> anyhow::Result<()> {
let js = format!(
r#"(function() {{
let input = document.querySelector('input[placeholder={p}]');
if (!input) return false;
input.focus();
input.value = {v};
input.dispatchEvent(new Event('input', {{ bubbles: true }}));
input.dispatchEvent(new Event('change', {{ bubbles: true }}));
return true;
}})();"#,
p = serde_json::to_string(placeholder).unwrap(),
v = serde_json::to_string(value).unwrap()
);
let v = tab.evaluate(&js, false)?;
let ok = v.value.and_then(|v| v.as_bool()).unwrap_or(false);
if !ok {
anyhow::bail!("input not found for placeholder: {placeholder}");
}
Ok(())
}
fn get_reply_link(tab: &headless_chrome::Tab) -> anyhow::Result<Option<String>> {
// Read the last readonly input inside the add menu; this is where we render the reply code.
let js = r#"(function() {
let menu = document.querySelector('.source-menu');
if (!menu) return null;
let inputs = Array.from(menu.querySelectorAll('input.source-menu-input[readonly]'));
if (!inputs.length) return null;
return inputs[inputs.length - 1].value || null;
})();"#;
let v = tab.evaluate(js, false)?;
Ok(v.value.and_then(|v| v.as_str().map(|s| s.to_string())))
}
fn wait_for_text(
tab: &headless_chrome::Tab,
needle: &str,
timeout: Duration,
) -> anyhow::Result<()> {
let deadline = Instant::now() + timeout;
while Instant::now() < deadline {
let js = format!(
r#"(function() {{
return document.body && (document.body.innerText || '').includes({n});
}})();"#,
n = serde_json::to_string(needle).unwrap()
);
let v = tab.evaluate(&js, false)?;
if v.value.and_then(|v| v.as_bool()).unwrap_or(false) {
return Ok(());
}
std::thread::sleep(Duration::from_millis(200));
}
anyhow::bail!("timed out waiting for text: {needle}");
}
fn wait_for_blob_video(tab: &headless_chrome::Tab, timeout: Duration) -> anyhow::Result<()> {
let deadline = Instant::now() + timeout;
while Instant::now() < deadline {
let js = r#"(function() {
let v = document.querySelector('video');
if (!v) return false;
if (typeof v.src !== 'string') return false;
return v.src.startsWith('blob:');
})();"#;
let v = tab.evaluate(js, false)?;
if v.value.and_then(|v| v.as_bool()).unwrap_or(false) {
return Ok(());
}
std::thread::sleep(Duration::from_millis(200));
}
anyhow::bail!("timed out waiting for video blob src");
}
#[test]
#[ignore]
fn e2e_remote_website_connects_to_local_direct_publisher() -> anyhow::Result<()> {
if which("ffmpeg").is_none() {
return Ok(()); // skip
}
let chrome = match chrome_path() {
Some(p) => p,
None => return Ok(()), // skip
};
let site_url = std::env::var("EVERY_CHANNEL_SITE_URL")
.unwrap_or_else(|_| "https://every.channel/".to_string());
let ec_node = ec_node_path();
let ts = std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.unwrap_or_default()
.as_millis();
let tmp = std::env::temp_dir().join(format!("ec-e2e-remote-website-direct-{ts}"));
let _ = std::fs::create_dir_all(&tmp);
let input_ts = tmp.join("input.ts");
let chunk_dir = tmp.join("chunks");
generate_ts_fixture(&input_ts)?;
let mut pub_child = Command::new(&ec_node)
.arg("direct-publish")
.arg("--chunk-dir")
.arg(&chunk_dir)
.arg("--chunk-ms")
.arg("2000")
.arg("--max-segments")
.arg("6")
.arg("ts")
.arg(&input_ts)
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.stderr(Stdio::inherit())
.spawn()?;
let stdout = pub_child.stdout.take().expect("publisher stdout missing");
let mut lines = BufReader::new(stdout).lines();
let offer = read_line_with_timeout(&mut lines, Duration::from_secs(60))
.ok_or_else(|| anyhow::anyhow!("publisher did not print offer link in time"))?;
if !offer.starts_with("every.channel://direct?c=") {
anyhow::bail!("unexpected offer link: {offer}");
}
let launch_options = headless_chrome::LaunchOptionsBuilder::default()
.path(Some(chrome))
.headless(true)
.args(vec![
OsStr::new("--autoplay-policy=no-user-gesture-required"),
OsStr::new("--mute-audio"),
])
.build()
.unwrap();
let browser = headless_chrome::Browser::new(launch_options)?;
let tab = browser.new_tab()?;
tab.navigate_to(&site_url)?;
tab.wait_until_navigated()?;
// Open the add menu via class selector (stable).
tab.wait_for_element("button.add-source")?.click()?;
tab.wait_for_element(".source-menu")?;
// Use Watch a link flow.
fill_input_by_placeholder(&tab, "every.channel://watch?...", &offer)?;
click_button_by_text(&tab, "Parse link")?;
click_button_by_text(&tab, "Tune in")?;
// Poll for reply link.
let deadline = Instant::now() + Duration::from_secs(60);
let reply = loop {
if let Some(v) = get_reply_link(&tab)? {
if v.starts_with("every.channel://direct?c=") {
break v;
}
}
if Instant::now() > deadline {
anyhow::bail!("timed out waiting for reply link in UI");
}
std::thread::sleep(Duration::from_millis(200));
};
// Feed reply back to publisher.
let stdin = pub_child.stdin.as_mut().expect("publisher stdin missing");
writeln!(stdin, "{reply}")?;
stdin.flush()?;
// Website should go Live and show a blob video source.
wait_for_text(&tab, "Live", Duration::from_secs(60))?;
wait_for_blob_video(&tab, Duration::from_secs(60))?;
// Cleanup.
let _ = pub_child.kill();
let _ = pub_child.wait();
let _ = std::fs::remove_dir_all(&tmp);
Ok(())
}