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use std::env;
use std::fs::File;
use std::io::Write;
use std::process::Command;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::mpsc;
use std::sync::Arc;
use std::thread;
use futures::future::{self, Future};
use futures::stream::{self, Stream};
use jobserver::Client;
use tokio_core::reactor::Core;
use tokio_process::CommandExt;
macro_rules! t {
($e:expr) => {
match $e {
Ok(e) => e,
Err(e) => panic!("{} failed with {}", stringify!($e), e),
}
};
}
struct Test {
name: &'static str,
f: &'static dyn Fn(),
make_args: &'static [&'static str],
rule: &'static dyn Fn(&str) -> String,
}
const TESTS: &[Test] = &[
Test {
name: "no j args",
make_args: &[],
rule: &|me| me.to_string(),
f: &|| {
assert!(unsafe { Client::from_env().is_none() });
},
},
Test {
name: "no j args with plus",
make_args: &[],
rule: &|me| format!("+{}", me),
f: &|| {
assert!(unsafe { Client::from_env().is_none() });
},
},
Test {
name: "j args with plus",
make_args: &["-j2"],
rule: &|me| format!("+{}", me),
f: &|| {
assert!(unsafe { Client::from_env().is_some() });
},
},
Test {
name: "acquire",
make_args: &["-j2"],
rule: &|me| format!("+{}", me),
f: &|| {
let c = unsafe { Client::from_env().unwrap() };
drop(c.acquire().unwrap());
drop(c.acquire().unwrap());
},
},
Test {
name: "acquire3",
make_args: &["-j3"],
rule: &|me| format!("+{}", me),
f: &|| {
let c = unsafe { Client::from_env().unwrap() };
let a = c.acquire().unwrap();
let b = c.acquire().unwrap();
drop((a, b));
},
},
Test {
name: "acquire blocks",
make_args: &["-j2"],
rule: &|me| format!("+{}", me),
f: &|| {
let c = unsafe { Client::from_env().unwrap() };
let a = c.acquire().unwrap();
let hit = Arc::new(AtomicBool::new(false));
let hit2 = hit.clone();
let (tx, rx) = mpsc::channel();
let t = thread::spawn(move || {
tx.send(()).unwrap();
let _b = c.acquire().unwrap();
hit2.store(true, Ordering::SeqCst);
});
rx.recv().unwrap();
assert!(!hit.load(Ordering::SeqCst));
drop(a);
t.join().unwrap();
assert!(hit.load(Ordering::SeqCst));
},
},
Test {
name: "acquire_raw",
make_args: &["-j2"],
rule: &|me| format!("+{}", me),
f: &|| {
let c = unsafe { Client::from_env().unwrap() };
c.acquire_raw().unwrap();
c.release_raw().unwrap();
},
},
];
fn main() {
if let Ok(test) = env::var("TEST_TO_RUN") {
return (TESTS.iter().find(|t| t.name == test).unwrap().f)();
}
let me = t!(env::current_exe());
let me = me.to_str().unwrap();
let filter = env::args().nth(1);
let mut core = t!(Core::new());
let futures = TESTS
.iter()
.filter(|test| match filter {
Some(ref s) => test.name.contains(s),
None => true,
})
.map(|test| {
let td = t!(tempfile::tempdir());
let makefile = format!(
"\
all: export TEST_TO_RUN={}
all:
\t{}
",
test.name,
(test.rule)(me)
);
t!(t!(File::create(td.path().join("Makefile"))).write_all(makefile.as_bytes()));
let prog = env::var("MAKE").unwrap_or_else(|_| "make".to_string());
let mut cmd = Command::new(prog);
cmd.args(test.make_args);
cmd.current_dir(td.path());
future::lazy(move || {
cmd.output_async().map(move |e| {
drop(td);
(test, e)
})
})
})
.collect::<Vec<_>>();
println!("\nrunning {} tests\n", futures.len());
let stream = stream::iter(futures.into_iter().map(Ok)).buffer_unordered(num_cpus::get());
let mut failures = Vec::new();
t!(core.run(stream.for_each(|(test, output)| {
if output.status.success() {
println!("test {} ... ok", test.name);
} else {
println!("test {} ... FAIL", test.name);
failures.push((test, output));
}
Ok(())
})));
if failures.is_empty() {
println!("\ntest result: ok\n");
return;
}
println!("\n----------- failures");
for (test, output) in failures {
println!("test {}", test.name);
let stdout = String::from_utf8_lossy(&output.stdout);
let stderr = String::from_utf8_lossy(&output.stderr);
println!("\texit status: {}", output.status);
if !stdout.is_empty() {
println!("\tstdout ===");
for line in stdout.lines() {
println!("\t\t{}", line);
}
}
if !stderr.is_empty() {
println!("\tstderr ===");
for line in stderr.lines() {
println!("\t\t{}", line);
}
}
}
std::process::exit(4);
}
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