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|
//! The common code for `tests/lang_tests_*.rs`
use std::{
env::{self, current_dir},
path::{Path, PathBuf},
process::Command,
};
use lang_tester::LangTester;
use tempfile::TempDir;
/// Controls the compile options (e.g., optimization level) used to compile
/// test code.
#[allow(dead_code)] // Each test crate picks one variant
pub enum Profile {
Debug,
Release,
}
pub fn main_inner(profile: Profile) {
let tempdir = TempDir::new().expect("temp dir");
let current_dir = current_dir().expect("current dir");
let current_dir = current_dir.to_str().expect("current dir").to_string();
let gcc_path = include_str!("../gcc_path");
let gcc_path = gcc_path.trim();
env::set_var("LD_LIBRARY_PATH", gcc_path);
fn rust_filter(filename: &Path) -> bool {
filename.extension().expect("extension").to_str().expect("to_str") == "rs"
}
#[cfg(feature="master")]
fn filter(filename: &Path) -> bool {
rust_filter(filename)
}
#[cfg(not(feature="master"))]
fn filter(filename: &Path) -> bool {
if let Some(filename) = filename.to_str() {
if filename.ends_with("gep.rs") {
return false;
}
}
rust_filter(filename)
}
LangTester::new()
.test_dir("tests/run")
.test_file_filter(filter)
.test_extract(|source| {
let lines =
source.lines()
.skip_while(|l| !l.starts_with("//"))
.take_while(|l| l.starts_with("//"))
.map(|l| &l[2..])
.collect::<Vec<_>>()
.join("\n");
Some(lines)
})
.test_cmds(move |path| {
// Test command 1: Compile `x.rs` into `tempdir/x`.
let mut exe = PathBuf::new();
exe.push(&tempdir);
exe.push(path.file_stem().expect("file_stem"));
let mut compiler = Command::new("rustc");
compiler.args(&[
&format!("-Zcodegen-backend={}/target/debug/librustc_codegen_gcc.so", current_dir),
"--sysroot", &format!("{}/build_sysroot/sysroot/", current_dir),
"-Zno-parallel-llvm",
"-C", "link-arg=-lc",
"-o", exe.to_str().expect("to_str"),
path.to_str().expect("to_str"),
]);
// TODO(antoyo): find a way to send this via a cli argument.
let test_target = std::env::var("CG_GCC_TEST_TARGET");
if let Ok(ref target) = test_target {
compiler.args(&["--target", &target]);
let linker = format!("{}-gcc", target);
compiler.args(&[format!("-Clinker={}", linker)]);
let mut env_path = std::env::var("PATH").unwrap_or_default();
// TODO(antoyo): find a better way to add the PATH necessary locally.
env_path = format!("/opt/m68k-unknown-linux-gnu/bin:{}", env_path);
compiler.env("PATH", env_path);
}
if let Some(flags) = option_env!("TEST_FLAGS") {
for flag in flags.split_whitespace() {
compiler.arg(&flag);
}
}
match profile {
Profile::Debug => {}
Profile::Release => {
compiler.args(&[
"-C", "opt-level=3",
"-C", "lto=no",
]);
}
}
// Test command 2: run `tempdir/x`.
if test_target.is_ok() {
let vm_parent_dir = std::env::var("CG_GCC_VM_DIR")
.map(|dir| PathBuf::from(dir))
.unwrap_or_else(|_| std::env::current_dir().unwrap());
let vm_dir = "vm";
let exe_filename = exe.file_name().unwrap();
let vm_home_dir = vm_parent_dir.join(vm_dir).join("home");
let vm_exe_path = vm_home_dir.join(exe_filename);
// FIXME(antoyo): panicking here makes the test pass.
let inside_vm_exe_path = PathBuf::from("/home").join(&exe_filename);
let mut copy = Command::new("sudo");
copy.arg("cp");
copy.args(&[&exe, &vm_exe_path]);
let mut runtime = Command::new("sudo");
runtime.args(&["chroot", vm_dir, "qemu-m68k-static"]);
runtime.arg(inside_vm_exe_path);
runtime.current_dir(vm_parent_dir);
vec![
("Compiler", compiler),
("Copy", copy),
("Run-time", runtime),
]
}
else {
let runtime = Command::new(exe);
vec![
("Compiler", compiler),
("Run-time", runtime),
]
}
})
.run();
}
|
