rust/tests/dogfood.rs

102 lines
3.5 KiB
Rust

// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::path::PathBuf;
use std::process::Command;
fn rustc_sysroot_path() -> PathBuf {
option_env!("SYSROOT")
.map(String::from)
.or_else(|| std::env::var("SYSROOT").ok())
.or_else(|| {
let home = option_env!("RUSTUP_HOME").or(option_env!("MULTIRUST_HOME"));
let toolchain = option_env!("RUSTUP_TOOLCHAIN").or(option_env!("MULTIRUST_TOOLCHAIN"));
home.and_then(|home| toolchain.map(|toolchain| format!("{}/toolchains/{}", home, toolchain)))
})
.or_else(|| {
Command::new("rustc")
.arg("--print")
.arg("sysroot")
.output()
.ok()
.and_then(|out| String::from_utf8(out.stdout).ok())
.map(|s| s.trim().to_owned())
})
.expect("need to specify SYSROOT env var during clippy compilation, or use rustup or multirust")
.into()
}
#[test]
fn dogfood() {
if option_env!("RUSTC_TEST_SUITE").is_some() || cfg!(windows) {
return;
}
let root_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
let clippy_cmd = std::path::Path::new(&root_dir)
.join("target")
.join(env!("PROFILE"))
.join("cargo-clippy");
let output = std::process::Command::new(clippy_cmd)
.current_dir(root_dir)
.env("CLIPPY_DOGFOOD", "1")
.env("RUSTFLAGS", format!("--sysroot {}", rustc_sysroot_path().display()))
.arg("clippy")
.arg("--all-targets")
.arg("--all-features")
.arg("--")
.args(&["-D", "clippy::all"])
.args(&["-D", "clippy::internal"])
.args(&["-D", "clippy::pedantic"])
.output()
.unwrap();
println!("status: {}", output.status);
println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
assert!(output.status.success());
}
#[test]
fn dogfood_tests() {
if option_env!("RUSTC_TEST_SUITE").is_some() || cfg!(windows) {
return;
}
let root_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
let clippy_cmd = std::path::Path::new(&root_dir)
.join("target")
.join(env!("PROFILE"))
.join("cargo-clippy");
for d in &[
"clippy_workspace_tests",
"clippy_workspace_tests/src",
"clippy_workspace_tests/subcrate",
"clippy_workspace_tests/subcrate/src",
"clippy_dev",
"rustc_tools_util",
] {
let output = std::process::Command::new(&clippy_cmd)
.current_dir(root_dir.join(d))
.env("CLIPPY_DOGFOOD", "1")
.env("RUSTFLAGS", format!("--sysroot {}", rustc_sysroot_path().display()))
.arg("clippy")
.arg("--")
.args(&["-D", "clippy::all"])
.args(&["-D", "clippy::pedantic"])
.output()
.unwrap();
println!("status: {}", output.status);
println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
assert!(output.status.success());
}
}