mirror of
https://github.com/rust-lang/cargo
synced 2024-10-13 19:22:33 +00:00
187 lines
5.6 KiB
Rust
187 lines
5.6 KiB
Rust
extern crate cargotest;
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extern crate hamcrest;
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use std::env;
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use std::ffi::OsString;
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use std::fs::{self, File};
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use std::io::prelude::*;
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use std::path::{Path, PathBuf};
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use std::str;
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use cargotest::cargo_process;
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use cargotest::support::paths::{self, CargoPathExt};
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use cargotest::support::{execs, project, ProjectBuilder};
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use hamcrest::{assert_that};
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#[cfg_attr(windows,allow(dead_code))]
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enum FakeKind<'a> {
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Executable,
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Symlink{target:&'a Path},
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}
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/// Add an empty file with executable flags (and platform-dependent suffix).
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/// TODO: move this to `ProjectBuilder` if other cases using this emerge.
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fn fake_file(proj: ProjectBuilder, dir: &Path, name: &str, kind: FakeKind) -> ProjectBuilder {
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let path = proj.root().join(dir).join(&format!("{}{}", name,
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env::consts::EXE_SUFFIX));
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path.parent().unwrap().mkdir_p();
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match kind {
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FakeKind::Executable => {
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File::create(&path).unwrap();
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make_executable(&path);
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},
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FakeKind::Symlink{target} => {
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make_symlink(&path,target);
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}
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}
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return proj;
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#[cfg(unix)]
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fn make_executable(p: &Path) {
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use std::os::unix::prelude::*;
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let mut perms = fs::metadata(p).unwrap().permissions();
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let mode = perms.mode();
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perms.set_mode(mode | 0o111);
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fs::set_permissions(p, perms).unwrap();
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}
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#[cfg(windows)]
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fn make_executable(_: &Path) {}
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#[cfg(unix)]
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fn make_symlink(p: &Path, t: &Path) {
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::std::os::unix::fs::symlink(t,p).expect("Failed to create symlink");
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}
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#[cfg(windows)]
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fn make_symlink(_: &Path, _: &Path) {
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panic!("Not supported")
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}
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}
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fn path() -> Vec<PathBuf> {
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env::split_paths(&env::var_os("PATH").unwrap_or(OsString::new())).collect()
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}
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#[test]
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fn list_command_looks_at_path() {
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let proj = project("list-non-overlapping");
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let proj = fake_file(proj, &Path::new("path-test"), "cargo-1", FakeKind::Executable);
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let mut pr = cargo_process();
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let mut path = path();
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path.push(proj.root().join("path-test"));
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let path = env::join_paths(path.iter()).unwrap();
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let output = pr.arg("-v").arg("--list")
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.env("PATH", &path);
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let output = output.exec_with_output().unwrap();
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let output = str::from_utf8(&output.stdout).unwrap();
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assert!(output.contains("\n 1\n"), "missing 1: {}", output);
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}
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// windows and symlinks don't currently agree that well
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#[cfg(unix)]
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#[test]
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fn list_command_resolves_symlinks() {
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use cargotest::support::cargo_dir;
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let proj = project("list-non-overlapping");
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let proj = fake_file(proj, &Path::new("path-test"), "cargo-2",
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FakeKind::Symlink{target:&cargo_dir().join("cargo")});
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let mut pr = cargo_process();
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let mut path = path();
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path.push(proj.root().join("path-test"));
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let path = env::join_paths(path.iter()).unwrap();
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let output = pr.arg("-v").arg("--list")
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.env("PATH", &path);
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let output = output.exec_with_output().unwrap();
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let output = str::from_utf8(&output.stdout).unwrap();
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assert!(output.contains("\n 2\n"), "missing 2: {}", output);
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}
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#[test]
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fn find_closest_biuld_to_build() {
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let mut pr = cargo_process();
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pr.arg("biuld");
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assert_that(pr,
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execs().with_status(101)
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.with_stderr("[ERROR] no such subcommand: `biuld`
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<tab>Did you mean `build`?
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"));
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}
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// if a subcommand is more than 3 edit distance away, we don't make a suggestion
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#[test]
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fn find_closest_dont_correct_nonsense() {
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let mut pr = cargo_process();
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pr.arg("there-is-no-way-that-there-is-a-command-close-to-this")
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.cwd(&paths::root());
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assert_that(pr,
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execs().with_status(101)
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.with_stderr("[ERROR] no such subcommand: \
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`there-is-no-way-that-there-is-a-command-close-to-this`
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"));
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}
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#[test]
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fn displays_subcommand_on_error() {
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let mut pr = cargo_process();
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pr.arg("invalid-command");
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assert_that(pr,
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execs().with_status(101)
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.with_stderr("[ERROR] no such subcommand: `invalid-command`
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"));
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}
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#[test]
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fn override_cargo_home() {
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let root = paths::root();
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let my_home = root.join("my_home");
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fs::create_dir(&my_home).unwrap();
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File::create(&my_home.join("config")).unwrap().write_all(br#"
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[cargo-new]
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name = "foo"
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email = "bar"
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git = false
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"#).unwrap();
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assert_that(cargo_process()
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.arg("new").arg("foo")
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.env("USER", "foo")
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.env("CARGO_HOME", &my_home),
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execs().with_status(0));
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let toml = paths::root().join("foo/Cargo.toml");
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let mut contents = String::new();
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File::open(&toml).unwrap().read_to_string(&mut contents).unwrap();
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assert!(contents.contains(r#"authors = ["foo <bar>"]"#));
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}
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#[test]
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fn cargo_help() {
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assert_that(cargo_process(),
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execs().with_status(0));
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assert_that(cargo_process().arg("help"),
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execs().with_status(0));
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assert_that(cargo_process().arg("-h"),
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execs().with_status(0));
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assert_that(cargo_process().arg("help").arg("build"),
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execs().with_status(0));
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assert_that(cargo_process().arg("build").arg("-h"),
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execs().with_status(0));
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assert_that(cargo_process().arg("help").arg("-h"),
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execs().with_status(0));
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assert_that(cargo_process().arg("help").arg("help"),
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execs().with_status(0));
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}
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#[test]
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fn explain() {
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assert_that(cargo_process().arg("--explain").arg("E0001"),
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execs().with_status(0));
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}
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