use crate::support; use crate::support::{basic_bin_manifest, basic_lib_manifest, project, Project}; use cargo::util::paths::dylib_path_envvar; #[test] fn simple() { let p = project() .file("src/main.rs", r#"fn main() { println!("hello"); }"#) .build(); p.cargo("run") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target/debug/foo[EXE]`", ) .with_stdout("hello") .run(); assert!(p.bin("foo").is_file()); } #[test] fn simple_quiet() { let p = project() .file("src/main.rs", r#"fn main() { println!("hello"); }"#) .build(); p.cargo("run -q").with_stdout("hello").run(); p.cargo("run --quiet").with_stdout("hello").run(); } #[test] fn simple_quiet_and_verbose() { let p = project() .file("src/main.rs", r#"fn main() { println!("hello"); }"#) .build(); p.cargo("run -q -v") .with_status(101) .with_stderr("[ERROR] cannot set both --verbose and --quiet") .run(); } #[test] fn quiet_and_verbose_config() { let p = project() .file( ".cargo/config", r#" [term] verbose = true "#, ) .file("src/main.rs", r#"fn main() { println!("hello"); }"#) .build(); p.cargo("run -q").run(); } #[test] fn simple_with_args() { let p = project() .file( "src/main.rs", r#" fn main() { assert_eq!(std::env::args().nth(1).unwrap(), "hello"); assert_eq!(std::env::args().nth(2).unwrap(), "world"); } "#, ) .build(); p.cargo("run hello world").run(); } #[test] fn exit_code() { let p = project() .file("src/main.rs", "fn main() { std::process::exit(2); }") .build(); let mut output = String::from( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target[..]` ", ); if !cfg!(unix) { output.push_str( "[ERROR] process didn't exit successfully: `target[..]foo[..]` (exit code: 2)", ); } p.cargo("run").with_status(2).with_stderr(output).run(); } #[test] fn exit_code_verbose() { let p = project() .file("src/main.rs", "fn main() { std::process::exit(2); }") .build(); let mut output = String::from( "\ [COMPILING] foo v0.0.1 ([CWD]) [RUNNING] `rustc [..]` [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target[..]` ", ); if !cfg!(unix) { output.push_str( "[ERROR] process didn't exit successfully: `target[..]foo[..]` (exit code: 2)", ); } p.cargo("run -v").with_status(2).with_stderr(output).run(); } #[test] fn no_main_file() { let p = project().file("src/lib.rs", "").build(); p.cargo("run") .with_status(101) .with_stderr( "[ERROR] a bin target must be available \ for `cargo run`\n", ) .run(); } #[test] fn too_many_bins() { let p = project() .file("src/lib.rs", "") .file("src/bin/a.rs", "") .file("src/bin/b.rs", "") .build(); // Using [..] here because the order is not stable p.cargo("run") .with_status(101) .with_stderr( "[ERROR] `cargo run` requires that a package only \ have one executable; use the `--bin` option \ to specify which one to run\navailable binaries: [..]\n", ) .run(); // Using [..] here because the order is not stable p.cargo("run") .masquerade_as_nightly_cargo() .with_status(101) .with_stderr( "[ERROR] `cargo run` could not determine which binary to run. \ Use the `--bin` option to specify a binary, or (on \ nightly) the `default-run` manifest key.\ \navailable binaries: [..]\n", ) .run(); } #[test] fn specify_name() { let p = project() .file("src/lib.rs", "") .file( "src/bin/a.rs", r#" #[allow(unused_extern_crates)] extern crate foo; fn main() { println!("hello a.rs"); } "#, ) .file( "src/bin/b.rs", r#" #[allow(unused_extern_crates)] extern crate foo; fn main() { println!("hello b.rs"); } "#, ) .build(); p.cargo("run --bin a -v") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [RUNNING] `rustc [..] src/lib.rs [..]` [RUNNING] `rustc [..] src/bin/a.rs [..]` [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target/debug/a[EXE]`", ) .with_stdout("hello a.rs") .run(); p.cargo("run --bin b -v") .with_stderr( "\ [COMPILING] foo v0.0.1 ([..]) [RUNNING] `rustc [..] src/bin/b.rs [..]` [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target/debug/b[EXE]`", ) .with_stdout("hello b.rs") .run(); } #[test] fn specify_default_run() { let p = project() .file( "Cargo.toml", r#" cargo-features = ["default-run"] [project] name = "foo" version = "0.0.1" authors = [] default-run = "a" "#, ) .file("src/lib.rs", "") .file("src/bin/a.rs", r#"fn main() { println!("hello A"); }"#) .file("src/bin/b.rs", r#"fn main() { println!("hello B"); }"#) .build(); p.cargo("run") .masquerade_as_nightly_cargo() .with_stdout("hello A") .run(); p.cargo("run --bin a") .masquerade_as_nightly_cargo() .with_stdout("hello A") .run(); p.cargo("run --bin b") .masquerade_as_nightly_cargo() .with_stdout("hello B") .run(); } #[test] fn bogus_default_run() { let p = project() .file( "Cargo.toml", r#" cargo-features = ["default-run"] [project] name = "foo" version = "0.0.1" authors = [] default-run = "b" "#, ) .file("src/lib.rs", "") .file("src/bin/a.rs", r#"fn main() { println!("hello A"); }"#) .build(); p.cargo("run") .masquerade_as_nightly_cargo() .with_status(101) .with_stderr("error: no bin target named `b`\n\nDid you mean [..]?") .run(); } #[test] fn default_run_unstable() { let p = project() .file( "Cargo.toml", r#" [project] name = "foo" version = "0.0.1" authors = [] default-run = "a" "#, ) .file("src/bin/a.rs", r#"fn main() { println!("hello A"); }"#) .build(); p.cargo("run") .with_status(101) .with_stderr( r#"error: failed to parse manifest at [..] Caused by: the `default-run` manifest key is unstable Caused by: feature `default-run` is required this Cargo does not support nightly features, but if you switch to nightly channel you can add `cargo-features = ["default-run"]` to enable this feature "#, ) .run(); p.cargo("run") .masquerade_as_nightly_cargo() .with_status(101) .with_stderr( r#"error: failed to parse manifest at [..] Caused by: the `default-run` manifest key is unstable Caused by: feature `default-run` is required consider adding `cargo-features = ["default-run"]` to the manifest "#, ) .run(); } #[test] fn run_example() { let p = project() .file("src/lib.rs", "") .file("examples/a.rs", r#"fn main() { println!("example"); }"#) .file("src/bin/a.rs", r#"fn main() { println!("bin"); }"#) .build(); p.cargo("run --example a") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target/debug/examples/a[EXE]`", ) .with_stdout("example") .run(); } #[test] fn run_library_example() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [[example]] name = "bar" crate_type = ["lib"] "#, ) .file("src/lib.rs", "") .file("examples/bar.rs", "fn foo() {}") .build(); p.cargo("run --example bar") .with_status(101) .with_stderr("[ERROR] example target `bar` is a library and cannot be executed") .run(); } #[test] fn run_bin_example() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" [[example]] name = "bar" crate_type = ["bin"] "#, ) .file("src/lib.rs", "") .file("examples/bar.rs", r#"fn main() { println!("example"); }"#) .build(); p.cargo("run --example bar") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target/debug/examples/bar[EXE]`", ) .with_stdout("example") .run(); } fn autodiscover_examples_project(rust_edition: &str, autoexamples: Option) -> Project { let autoexamples = match autoexamples { None => "".to_string(), Some(bool) => format!("autoexamples = {}", bool), }; project() .file( "Cargo.toml", &format!( r#" [project] name = "foo" version = "0.0.1" authors = [] edition = "{rust_edition}" {autoexamples} [features] magic = [] [[example]] name = "do_magic" required-features = ["magic"] "#, rust_edition = rust_edition, autoexamples = autoexamples ), ) .file("examples/a.rs", r#"fn main() { println!("example"); }"#) .file( "examples/do_magic.rs", r#" fn main() { println!("magic example"); } "#, ) .build() } #[test] fn run_example_autodiscover_2015() { if !support::is_nightly() { return; } let p = autodiscover_examples_project("2015", None); p.cargo("run --example a") .with_status(101) .with_stderr( "warning: \ An explicit [[example]] section is specified in Cargo.toml which currently disables Cargo from automatically inferring other example targets. This inference behavior will change in the Rust 2018 edition and the following files will be included as a example target: * [..]a.rs This is likely to break cargo build or cargo test as these files may not be ready to be compiled as a example target today. You can future-proof yourself and disable this warning by adding `autoexamples = false` to your [package] section. You may also move the files to a location where Cargo would not automatically infer them to be a target, such as in subfolders. For more information on this warning you can consult https://github.com/rust-lang/cargo/issues/5330 error: no example target named `a` ", ) .run(); } #[test] fn run_example_autodiscover_2015_with_autoexamples_enabled() { if !support::is_nightly() { return; } let p = autodiscover_examples_project("2015", Some(true)); p.cargo("run --example a") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target/debug/examples/a[EXE]`", ) .with_stdout("example") .run(); } #[test] fn run_example_autodiscover_2015_with_autoexamples_disabled() { if !support::is_nightly() { return; } let p = autodiscover_examples_project("2015", Some(false)); p.cargo("run --example a") .with_status(101) .with_stderr("error: no example target named `a`\n") .run(); } #[test] fn run_example_autodiscover_2018() { if !support::is_nightly() { return; } let p = autodiscover_examples_project("2018", None); p.cargo("run --example a") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target/debug/examples/a[EXE]`", ) .with_stdout("example") .run(); } #[test] fn autobins_disables() { let p = project() .file( "Cargo.toml", r#" [project] name = "foo" version = "0.0.1" autobins = false "#, ) .file("src/lib.rs", "pub mod bin;") .file("src/bin/mod.rs", "// empty") .build(); p.cargo("run") .with_status(101) .with_stderr("[ERROR] a bin target must be available for `cargo run`") .run(); } #[test] fn run_bins() { let p = project() .file("src/lib.rs", "") .file("examples/a.rs", r#"fn main() { println!("example"); }"#) .file("src/bin/a.rs", r#"fn main() { println!("bin"); }"#) .build(); p.cargo("run --bins") .with_status(1) .with_stderr_contains( "error: Found argument '--bins' which wasn't expected, or isn't valid in this context", ) .run(); } #[test] fn run_with_filename() { let p = project() .file("src/lib.rs", "") .file( "src/bin/a.rs", r#" extern crate foo; fn main() { println!("hello a.rs"); } "#, ) .file("examples/a.rs", r#"fn main() { println!("example"); }"#) .build(); p.cargo("run --bin bin.rs") .with_status(101) .with_stderr("[ERROR] no bin target named `bin.rs`") .run(); p.cargo("run --bin a.rs") .with_status(101) .with_stderr( "\ [ERROR] no bin target named `a.rs` Did you mean `a`?", ) .run(); p.cargo("run --example example.rs") .with_status(101) .with_stderr("[ERROR] no example target named `example.rs`") .run(); p.cargo("run --example a.rs") .with_status(101) .with_stderr( "\ [ERROR] no example target named `a.rs` Did you mean `a`?", ) .run(); } #[test] fn either_name_or_example() { let p = project() .file("src/bin/a.rs", r#"fn main() { println!("hello a.rs"); }"#) .file("examples/b.rs", r#"fn main() { println!("hello b.rs"); }"#) .build(); p.cargo("run --bin a --example b") .with_status(101) .with_stderr( "[ERROR] `cargo run` can run at most one \ executable, but multiple were \ specified", ) .run(); } #[test] fn one_bin_multiple_examples() { let p = project() .file("src/lib.rs", "") .file( "src/bin/main.rs", r#"fn main() { println!("hello main.rs"); }"#, ) .file("examples/a.rs", r#"fn main() { println!("hello a.rs"); }"#) .file("examples/b.rs", r#"fn main() { println!("hello b.rs"); }"#) .build(); p.cargo("run") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target/debug/main[EXE]`", ) .with_stdout("hello main.rs") .run(); } #[test] fn example_with_release_flag() { let p = project() .file( "Cargo.toml", r#" [project] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] version = "*" path = "bar" "#, ) .file( "examples/a.rs", r#" extern crate bar; fn main() { if cfg!(debug_assertions) { println!("slow1") } else { println!("fast1") } bar::baz(); } "#, ) .file("bar/Cargo.toml", &basic_lib_manifest("bar")) .file( "bar/src/bar.rs", r#" pub fn baz() { if cfg!(debug_assertions) { println!("slow2") } else { println!("fast2") } } "#, ) .build(); p.cargo("run -v --release --example a") .with_stderr( "\ [COMPILING] bar v0.5.0 ([CWD]/bar) [RUNNING] `rustc --crate-name bar bar/src/bar.rs --color never --crate-type lib \ --emit=dep-info,link \ -C opt-level=3 \ -C metadata=[..] \ --out-dir [CWD]/target/release/deps \ -L dependency=[CWD]/target/release/deps` [COMPILING] foo v0.0.1 ([CWD]) [RUNNING] `rustc --crate-name a examples/a.rs --color never --crate-type bin \ --emit=dep-info,link \ -C opt-level=3 \ -C metadata=[..] \ --out-dir [CWD]/target/release/examples \ -L dependency=[CWD]/target/release/deps \ --extern bar=[CWD]/target/release/deps/libbar-[..].rlib` [FINISHED] release [optimized] target(s) in [..] [RUNNING] `target/release/examples/a[EXE]` ", ) .with_stdout( "\ fast1 fast2", ) .run(); p.cargo("run -v --example a") .with_stderr( "\ [COMPILING] bar v0.5.0 ([CWD]/bar) [RUNNING] `rustc --crate-name bar bar/src/bar.rs --color never --crate-type lib \ --emit=dep-info,link \ -C debuginfo=2 \ -C metadata=[..] \ --out-dir [CWD]/target/debug/deps \ -L dependency=[CWD]/target/debug/deps` [COMPILING] foo v0.0.1 ([CWD]) [RUNNING] `rustc --crate-name a examples/a.rs --color never --crate-type bin \ --emit=dep-info,link \ -C debuginfo=2 \ -C metadata=[..] \ --out-dir [CWD]/target/debug/examples \ -L dependency=[CWD]/target/debug/deps \ --extern bar=[CWD]/target/debug/deps/libbar-[..].rlib` [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [RUNNING] `target/debug/examples/a[EXE]` ", ) .with_stdout( "\ slow1 slow2", ) .run(); } #[test] fn run_dylib_dep() { let p = project() .file( "Cargo.toml", r#" [project] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "bar" "#, ) .file( "src/main.rs", r#"extern crate bar; fn main() { bar::bar(); }"#, ) .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.0.1" authors = [] [lib] name = "bar" crate-type = ["dylib"] "#, ) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); p.cargo("run hello world").run(); } #[test] fn release_works() { let p = project() .file( "src/main.rs", r#" fn main() { if cfg!(debug_assertions) { panic!() } } "#, ) .build(); p.cargo("run --release") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] release [optimized] target(s) in [..] [RUNNING] `target/release/foo[EXE]` ", ) .run(); assert!(p.release_bin("foo").is_file()); } #[test] fn run_bin_different_name() { let p = project() .file( "Cargo.toml", r#" [project] name = "foo" version = "0.0.1" authors = [] [[bin]] name = "bar" "#, ) .file("src/bar.rs", "fn main() {}") .build(); p.cargo("run").run(); } #[test] fn dashes_are_forwarded() { let p = project() .file( "src/bin/bar.rs", r#" fn main() { let s: Vec = std::env::args().collect(); assert_eq!(s[1], "--"); assert_eq!(s[2], "a"); assert_eq!(s[3], "--"); assert_eq!(s[4], "b"); } "#, ) .build(); p.cargo("run -- -- a -- b").run(); } #[test] fn run_from_executable_folder() { let p = project() .file("src/main.rs", r#"fn main() { println!("hello"); }"#) .build(); let cwd = p.root().join("target").join("debug"); p.cargo("build").run(); p.cargo("run") .cwd(cwd) .with_stderr( "\ [FINISHED] dev [unoptimized + debuginfo] target(s) in [..]\n\ [RUNNING] `./foo[EXE]`", ) .with_stdout("hello") .run(); } #[test] fn run_with_library_paths() { let p = project(); // Only link search directories within the target output directory are // propagated through to dylib_path_envvar() (see #3366). let mut dir1 = p.target_debug_dir(); dir1.push("foo\\backslash"); let mut dir2 = p.target_debug_dir(); dir2.push("dir=containing=equal=signs"); let p = p .file( "Cargo.toml", r#" [project] name = "foo" version = "0.0.1" authors = [] build = "build.rs" "#, ) .file( "build.rs", &format!( r##" fn main() {{ println!(r#"cargo:rustc-link-search=native={}"#); println!(r#"cargo:rustc-link-search={}"#); }} "##, dir1.display(), dir2.display() ), ) .file( "src/main.rs", &format!( r##" fn main() {{ let search_path = std::env::var_os("{}").unwrap(); let paths = std::env::split_paths(&search_path).collect::>(); assert!(paths.contains(&r#"{}"#.into())); assert!(paths.contains(&r#"{}"#.into())); }} "##, dylib_path_envvar(), dir1.display(), dir2.display() ), ) .build(); p.cargo("run").run(); } #[test] fn library_paths_sorted_alphabetically() { let p = project(); let mut dir1 = p.target_debug_dir(); dir1.push("zzzzzzz"); let mut dir2 = p.target_debug_dir(); dir2.push("BBBBBBB"); let mut dir3 = p.target_debug_dir(); dir3.push("aaaaaaa"); let p = p .file( "Cargo.toml", r#" [project] name = "foo" version = "0.0.1" authors = [] build = "build.rs" "#, ) .file( "build.rs", &format!( r##" fn main() {{ println!(r#"cargo:rustc-link-search=native={}"#); println!(r#"cargo:rustc-link-search=native={}"#); println!(r#"cargo:rustc-link-search=native={}"#); }} "##, dir1.display(), dir2.display(), dir3.display() ), ) .file( "src/main.rs", &format!( r##" fn main() {{ let search_path = std::env::var_os("{}").unwrap(); let paths = std::env::split_paths(&search_path).collect::>(); // ASCII case-sensitive sort assert_eq!("BBBBBBB", paths[0].file_name().unwrap().to_string_lossy()); assert_eq!("aaaaaaa", paths[1].file_name().unwrap().to_string_lossy()); assert_eq!("zzzzzzz", paths[2].file_name().unwrap().to_string_lossy()); }} "##, dylib_path_envvar() ), ) .build(); p.cargo("run").run(); } #[test] fn fail_no_extra_verbose() { let p = project() .file("src/main.rs", "fn main() { std::process::exit(1); }") .build(); p.cargo("run -q") .with_status(1) .with_stdout("") .with_stderr("") .run(); } #[test] fn run_multiple_packages() { let p = project() .no_manifest() .file( "foo/Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [workspace] [dependencies] d1 = { path = "d1" } d2 = { path = "d2" } d3 = { path = "../d3" } # outside of the workspace [[bin]] name = "foo" "#, ) .file("foo/src/foo.rs", "fn main() { println!(\"foo\"); }") .file("foo/d1/Cargo.toml", &basic_bin_manifest("d1")) .file("foo/d1/src/lib.rs", "") .file("foo/d1/src/main.rs", "fn main() { println!(\"d1\"); }") .file("foo/d2/Cargo.toml", &basic_bin_manifest("d2")) .file("foo/d2/src/main.rs", "fn main() { println!(\"d2\"); }") .file("d3/Cargo.toml", &basic_bin_manifest("d3")) .file("d3/src/main.rs", "fn main() { println!(\"d2\"); }") .build(); let cargo = || { let mut process_builder = p.cargo("run"); process_builder.cwd(p.root().join("foo")); process_builder }; cargo().arg("-p").arg("d1").with_stdout("d1").run(); cargo() .arg("-p") .arg("d2") .arg("--bin") .arg("d2") .with_stdout("d2") .run(); cargo().with_stdout("foo").run(); cargo().arg("-p").arg("d1").arg("-p").arg("d2") .with_status(1) .with_stderr_contains("error: The argument '--package ' was provided more than once, but cannot be used multiple times").run(); cargo() .arg("-p") .arg("d3") .with_status(101) .with_stderr_contains("[ERROR] package `d3` is not a member of the workspace") .run(); } #[test] fn explicit_bin_with_args() { let p = project() .file( "src/main.rs", r#" fn main() { assert_eq!(std::env::args().nth(1).unwrap(), "hello"); assert_eq!(std::env::args().nth(2).unwrap(), "world"); } "#, ) .build(); p.cargo("run --bin foo hello world").run(); } #[test] fn run_workspace() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["a", "b"] "#, ) .file("a/Cargo.toml", &basic_bin_manifest("a")) .file("a/src/main.rs", r#"fn main() {println!("run-a");}"#) .file("b/Cargo.toml", &basic_bin_manifest("b")) .file("b/src/main.rs", r#"fn main() {println!("run-b");}"#) .build(); p.cargo("run") .with_status(101) .with_stderr( "\ [ERROR] `cargo run` requires that a package only have one executable[..] available binaries: a, b", ) .run(); p.cargo("run --bin a") .with_status(0) .with_stdout("run-a") .run(); } #[test] fn default_run_workspace() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["a", "b"] "#, ) .file( "a/Cargo.toml", r#" cargo-features = ["default-run"] [project] name = "a" version = "0.0.1" default-run = "a" "#, ) .file("a/src/main.rs", r#"fn main() {println!("run-a");}"#) .file("b/Cargo.toml", &basic_bin_manifest("b")) .file("b/src/main.rs", r#"fn main() {println!("run-b");}"#) .build(); p.cargo("run") .masquerade_as_nightly_cargo() .with_status(0) .with_stdout("run-a") .run(); }