Rocket/codegen/tests/tests.rs

105 lines
3.2 KiB
Rust

extern crate compiletest_rs as compiletest;
use std::path::{Path, PathBuf};
use std::{io, fs::Metadata, time::SystemTime};
#[derive(Copy, Clone)]
enum Kind {
Dynamic, Static
}
impl Kind {
fn extension(self) -> &'static str {
match self {
#[cfg(windows)] Kind::Dynamic => ".dll",
#[cfg(all(unix, target_os = "macos"))] Kind::Dynamic => ".dylib",
#[cfg(all(unix, not(target_os = "macos")))] Kind::Dynamic => ".so",
Kind::Static => ".rlib"
}
}
fn prefix(self) -> &'static str {
#[cfg(windows)] { "" }
#[cfg(not(windows))] { "lib" }
}
}
fn target_path() -> PathBuf {
#[cfg(debug_assertions)] const ENVIRONMENT: &str = "debug";
#[cfg(not(debug_assertions))] const ENVIRONMENT: &str = "release";
Path::new(env!("CARGO_MANIFEST_DIR"))
.parent().unwrap()
.join("target")
.join(ENVIRONMENT)
}
fn link_flag(flag: &str, lib: &str, rel_path: &[&str]) -> String {
let mut path = target_path();
for component in rel_path {
path = path.join(component);
}
format!("{} {}={}", flag, lib, path.display())
}
fn best_time_for(metadata: &Metadata) -> SystemTime {
metadata.created()
.or_else(|_| metadata.modified())
.or_else(|_| metadata.accessed())
.unwrap_or_else(|_| SystemTime::now())
}
fn extern_dep(name: &str, kind: Kind) -> io::Result<String> {
let deps_root = target_path().join("deps");
let dep_name = format!("{}{}", kind.prefix(), name);
let mut dep_path: Option<PathBuf> = None;
for entry in deps_root.read_dir().expect("read_dir call failed") {
let entry = match entry {
Ok(entry) => entry,
Err(_) => continue
};
let filename = entry.file_name();
let filename = filename.to_string_lossy();
let lib_name = filename.split('.').next().unwrap().split('-').next().unwrap();
if lib_name == dep_name && filename.ends_with(kind.extension()) {
if let Some(ref mut existing) = dep_path {
if best_time_for(&entry.metadata()?) > best_time_for(&existing.metadata()?) {
*existing = entry.path().into();
}
} else {
dep_path = Some(entry.path().into());
}
}
}
let dep = dep_path.ok_or_else(|| io::Error::from(io::ErrorKind::NotFound))?;
let filename = dep.file_name().ok_or_else(|| io::Error::from(io::ErrorKind::InvalidData))?;
Ok(link_flag("--extern", name, &["deps", &filename.to_string_lossy()]))
}
fn run_mode(mode: &'static str) {
let mut config = compiletest::Config::default();
config.mode = mode.parse().expect("Invalid mode");
config.src_base = format!("tests/{}", mode).into();
config.clean_rmeta();
config.target_rustcflags = Some([
link_flag("-L", "crate", &[]),
link_flag("-L", "dependency", &["deps"]),
extern_dep("rocket_codegen", Kind::Dynamic).expect("find codegen dep"),
extern_dep("rocket", Kind::Static).expect("find core dep")
].join(" "));
compiletest::run_tests(&config);
}
#[test]
fn compile_test() {
run_mode("compile-fail");
run_mode("run-pass");
}