split poll tests up, only one requires "real" stdio

This commit is contained in:
Pat Hickey
2021-01-21 16:54:40 -08:00
parent 12056885eb
commit a46c2ad0aa
4 changed files with 191 additions and 113 deletions

View File

@@ -146,7 +146,12 @@ mod wasi_tests {
};
writeln!(
out,
" runtime::instantiate(&data, &bin_name, {})",
" runtime::{}(&data, &bin_name, {})",
if inherit_stdio(testsuite, stemstr) {
"instantiate_inherit_stdio"
} else {
"instantiate"
},
workspace,
)?;
writeln!(out, " }}")?;
@@ -190,6 +195,19 @@ mod wasi_tests {
"big_random_buf" => true,
"clock_time_get" => true,
"sched_yield" => true,
"poll_oneoff_stdio" => true,
_ => false,
}
} else {
unreachable!()
}
}
/// Mark tests which require inheriting parent process stdio
fn inherit_stdio(testsuite: &str, name: &str) -> bool {
if testsuite == "wasi-tests" {
match name {
"poll_oneoff_stdio" => true,
_ => false,
}
} else {

View File

@@ -62,3 +62,42 @@ pub fn instantiate(data: &[u8], bin_name: &str, workspace: Option<&Path>) -> any
}
}
}
pub fn instantiate_inherit_stdio(
data: &[u8],
bin_name: &str,
workspace: Option<&Path>,
) -> anyhow::Result<()> {
let r = {
let store = Store::default();
// Create our wasi context.
// Additionally register any preopened directories if we have them.
let mut builder = WasiCtxBuilder::new();
builder = builder.arg(bin_name)?.arg(".")?.inherit_stdio();
if let Some(workspace) = workspace {
println!("preopen: {:?}", workspace);
let preopen_dir = unsafe { cap_std::fs::Dir::open_ambient_dir(workspace) }?;
builder = builder.preopened_dir(preopen_dir, ".")?;
}
let snapshot1 = wasi_c2_wasmtime::Wasi::new(&store, builder.build()?);
let mut linker = Linker::new(&store);
snapshot1.add_to_linker(&mut linker)?;
let module = Module::new(store.engine(), &data).context("failed to create wasm module")?;
let instance = linker.instantiate(&module)?;
let start = instance.get_func("_start").unwrap();
let with_type = start.get0::<()>()?;
with_type().map_err(anyhow::Error::from)
};
match r {
Ok(()) => Ok(()),
Err(trap) => Err(trap.context(format!("error while testing Wasm module '{}'", bin_name,))),
}
}

View File

@@ -1,6 +1,6 @@
use more_asserts::assert_gt;
use std::{env, mem::MaybeUninit, process};
use wasi_tests::{open_scratch_directory, STDERR_FD, STDIN_FD, STDOUT_FD};
use wasi_tests::open_scratch_directory;
const CLOCK_ID: wasi::Userdata = 0x0123_45678;
@@ -59,113 +59,6 @@ unsafe fn test_timeout() {
);
}
unsafe fn test_stdin_read() {
let clock = wasi::SubscriptionClock {
id: wasi::CLOCKID_MONOTONIC,
timeout: 5_000_000u64, // 5 milliseconds
precision: 0,
flags: 0,
};
let fd_readwrite = wasi::SubscriptionFdReadwrite {
file_descriptor: STDIN_FD,
};
let r#in = [
wasi::Subscription {
userdata: CLOCK_ID,
u: wasi::SubscriptionU {
tag: wasi::EVENTTYPE_CLOCK,
u: wasi::SubscriptionUU { clock },
},
},
// Make sure that timeout is returned only once even if there are multiple read events
wasi::Subscription {
userdata: 1,
u: wasi::SubscriptionU {
tag: wasi::EVENTTYPE_FD_READ,
u: wasi::SubscriptionUU {
fd_read: fd_readwrite,
},
},
},
];
let out = poll_oneoff_impl(&r#in).unwrap();
assert_eq!(out.len(), 1, "should return 1 event");
let event = &out[0];
assert_eq!(
event.error,
wasi::ERRNO_SUCCESS,
"the event.error should be set to ESUCCESS"
);
assert_eq!(
event.r#type,
wasi::EVENTTYPE_CLOCK,
"the event.type should equal clock"
);
assert_eq!(
event.userdata, CLOCK_ID,
"the event.userdata should contain clock_id specified by the user"
);
}
unsafe fn test_stdout_stderr_write() {
let stdout_readwrite = wasi::SubscriptionFdReadwrite {
file_descriptor: STDOUT_FD,
};
let stderr_readwrite = wasi::SubscriptionFdReadwrite {
file_descriptor: STDERR_FD,
};
let r#in = [
wasi::Subscription {
userdata: 1,
u: wasi::SubscriptionU {
tag: wasi::EVENTTYPE_FD_WRITE,
u: wasi::SubscriptionUU {
fd_write: stdout_readwrite,
},
},
},
wasi::Subscription {
userdata: 2,
u: wasi::SubscriptionU {
tag: wasi::EVENTTYPE_FD_WRITE,
u: wasi::SubscriptionUU {
fd_write: stderr_readwrite,
},
},
},
];
let out = poll_oneoff_impl(&r#in).unwrap();
assert_eq!(out.len(), 2, "should return 2 events");
assert_eq!(
out[0].userdata, 1,
"the event.userdata should contain fd userdata specified by the user"
);
assert_eq!(
out[0].error,
wasi::ERRNO_SUCCESS,
"the event.error should be set to ERRNO_SUCCESS",
);
assert_eq!(
out[0].r#type,
wasi::EVENTTYPE_FD_WRITE,
"the event.type should equal FD_WRITE"
);
assert_eq!(
out[1].userdata, 2,
"the event.userdata should contain fd userdata specified by the user"
);
assert_eq!(
out[1].error,
wasi::ERRNO_SUCCESS,
"the event.error should be set to ERRNO_SUCCESS",
);
assert_eq!(
out[1].r#type,
wasi::EVENTTYPE_FD_WRITE,
"the event.type should equal FD_WRITE"
);
}
unsafe fn test_fd_readwrite(fd: wasi::Fd, error_code: wasi::Errno) {
let fd_readwrite = wasi::SubscriptionFdReadwrite {
file_descriptor: fd,
@@ -277,10 +170,6 @@ unsafe fn test_fd_readwrite_invalid_fd() {
unsafe fn test_poll_oneoff(dir_fd: wasi::Fd) {
test_timeout();
test_empty_poll();
// NB we assume that stdin/stdout/stderr are valid and open
// for the duration of the test case
test_stdin_read();
test_stdout_stderr_write();
test_fd_readwrite_valid_fd(dir_fd);
test_fd_readwrite_invalid_fd();
}

View File

@@ -0,0 +1,132 @@
use std::mem::MaybeUninit;
use wasi_tests::{STDERR_FD, STDIN_FD, STDOUT_FD};
const CLOCK_ID: wasi::Userdata = 0x0123_45678;
unsafe fn poll_oneoff_impl(r#in: &[wasi::Subscription]) -> Result<Vec<wasi::Event>, wasi::Error> {
let mut out: Vec<wasi::Event> = Vec::new();
out.resize_with(r#in.len(), || {
MaybeUninit::<wasi::Event>::zeroed().assume_init()
});
let size = wasi::poll_oneoff(r#in.as_ptr(), out.as_mut_ptr(), r#in.len())?;
out.truncate(size);
Ok(out)
}
unsafe fn test_stdin_read() {
let clock = wasi::SubscriptionClock {
id: wasi::CLOCKID_MONOTONIC,
timeout: 5_000_000u64, // 5 milliseconds
precision: 0,
flags: 0,
};
let fd_readwrite = wasi::SubscriptionFdReadwrite {
file_descriptor: STDIN_FD,
};
let r#in = [
wasi::Subscription {
userdata: CLOCK_ID,
u: wasi::SubscriptionU {
tag: wasi::EVENTTYPE_CLOCK,
u: wasi::SubscriptionUU { clock },
},
},
// Make sure that timeout is returned only once even if there are multiple read events
wasi::Subscription {
userdata: 1,
u: wasi::SubscriptionU {
tag: wasi::EVENTTYPE_FD_READ,
u: wasi::SubscriptionUU {
fd_read: fd_readwrite,
},
},
},
];
let out = poll_oneoff_impl(&r#in).unwrap();
assert_eq!(out.len(), 1, "should return 1 event");
let event = &out[0];
assert_eq!(
event.error,
wasi::ERRNO_SUCCESS,
"the event.error should be set to ESUCCESS"
);
assert_eq!(
event.r#type,
wasi::EVENTTYPE_CLOCK,
"the event.type should equal clock"
);
assert_eq!(
event.userdata, CLOCK_ID,
"the event.userdata should contain clock_id specified by the user"
);
}
unsafe fn test_stdout_stderr_write() {
let stdout_readwrite = wasi::SubscriptionFdReadwrite {
file_descriptor: STDOUT_FD,
};
let stderr_readwrite = wasi::SubscriptionFdReadwrite {
file_descriptor: STDERR_FD,
};
let r#in = [
wasi::Subscription {
userdata: 1,
u: wasi::SubscriptionU {
tag: wasi::EVENTTYPE_FD_WRITE,
u: wasi::SubscriptionUU {
fd_write: stdout_readwrite,
},
},
},
wasi::Subscription {
userdata: 2,
u: wasi::SubscriptionU {
tag: wasi::EVENTTYPE_FD_WRITE,
u: wasi::SubscriptionUU {
fd_write: stderr_readwrite,
},
},
},
];
let out = poll_oneoff_impl(&r#in).unwrap();
assert_eq!(out.len(), 2, "should return 2 events");
assert_eq!(
out[0].userdata, 1,
"the event.userdata should contain fd userdata specified by the user"
);
assert_eq!(
out[0].error,
wasi::ERRNO_SUCCESS,
"the event.error should be set to ERRNO_SUCCESS",
);
assert_eq!(
out[0].r#type,
wasi::EVENTTYPE_FD_WRITE,
"the event.type should equal FD_WRITE"
);
assert_eq!(
out[1].userdata, 2,
"the event.userdata should contain fd userdata specified by the user"
);
assert_eq!(
out[1].error,
wasi::ERRNO_SUCCESS,
"the event.error should be set to ERRNO_SUCCESS",
);
assert_eq!(
out[1].r#type,
wasi::EVENTTYPE_FD_WRITE,
"the event.type should equal FD_WRITE"
);
}
unsafe fn test_poll_oneoff() {
// NB we assume that stdin/stdout/stderr are valid and open
// for the duration of the test case
test_stdin_read();
test_stdout_stderr_write();
}
fn main() {
// Run the tests.
unsafe { test_poll_oneoff() }
}