Grcov report - wasm

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//! Meta-test that runs WASM frontend tests if browser tooling is available.

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//!

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//! This test spawns `wasm-pack test` as a subprocess, allowing WASM tests

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//! to run seamlessly as part of `cargo test --workspace`.

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use std::process::Command;

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fn has_command(cmd: &str) -> bool {

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    Command::new(cmd)

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        .arg("--version")

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        .stdout(std::process::Stdio::null())

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        .stderr(std::process::Stdio::null())

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        .status()

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        .map(|s| s.success())

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        .unwrap_or(false)

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#[test]

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fn wasm_frontend_behavior_tests() {

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    if !has_command("wasm-pack") {

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        eprintln!("Skipping WASM tests: wasm-pack not installed");

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        eprintln!("  Install with: cargo install wasm-pack");

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        return;

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    let has_firefox = has_command("firefox") || has_command("geckodriver");

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    let has_chrome =

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        has_command("google-chrome") || has_command("chromium") || has_command("chromedriver");

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    if !has_firefox && !has_chrome {

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        eprintln!("Skipping WASM tests: no browser available");

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        eprintln!("  Install Firefox or Chrome with their respective drivers");

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        return;

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    let frontend_dir = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("frontend");

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    let browser_args = if has_firefox {

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        vec![

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            "test",

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            "--headless",

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            "--firefox",

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            "--",

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            "--no-default-features",

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    } else {

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        vec![

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            "test",

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            "--headless",

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            "--chrome",

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            "--",

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            "--no-default-features",

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};

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    eprintln!("Running WASM frontend tests...");

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    let status = Command::new("wasm-pack")

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        .args(&browser_args)

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        .current_dir(&frontend_dir)

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        .status()

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        .expect("Failed to execute wasm-pack");

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    assert!(status.success(), "WASM frontend tests failed");

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