2411831964
Some wasi-common tests assume that stdin is never ready to be read, but on CI stdin is closed so it's always ready to be read. Work around this by guaranteeing that wasi-common tests always have an unreadable stdin pipe by creating our own pipe.
31 lines
845 B
Rust
31 lines
845 B
Rust
use std::fs;
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use std::path::Path;
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use tempfile::{Builder, TempDir};
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pub fn read_wasm(path: &Path) -> anyhow::Result<Vec<u8>> {
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let data = fs::read(path)?;
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if data.starts_with(&[b'\0', b'a', b's', b'm']) {
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Ok(data)
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} else {
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anyhow::bail!("Invalid Wasm file encountered")
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}
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}
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pub fn prepare_workspace(exe_name: &str) -> anyhow::Result<TempDir> {
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let prefix = format!("wasi_common_{}", exe_name);
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let tempdir = Builder::new().prefix(&prefix).tempdir()?;
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Ok(tempdir)
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}
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pub fn extract_exec_name_from_path(path: &Path) -> anyhow::Result<String> {
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path.file_stem()
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.and_then(|s| s.to_str())
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.map(String::from)
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.ok_or_else(|| {
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anyhow::anyhow!(
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"couldn't extract the file stem from path {}",
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path.display()
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)
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})
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}
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