use cargo_test_support::{basic_manifest, project};
use cargo_test_support::{is_nightly, rustc_host};
#[cargo_test]
fn plugin_to_the_max() {
if !is_nightly() {
return;
}
let foo = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[lib]
name = "foo_lib"
[dependencies.bar]
path = "../bar"
"#,
)
.file(
"src/main.rs",
r#"
#![feature(plugin)]
#![plugin(bar)]
extern crate foo_lib;
fn main() { foo_lib::foo(); }
"#,
)
.file(
"src/foo_lib.rs",
r#"
#![feature(plugin)]
#![plugin(bar)]
pub fn foo() {}
"#,
)
.build();
let _bar = project()
.at("bar")
.file(
"Cargo.toml",
r#"
[package]
name = "bar"
version = "0.0.1"
authors = []
[lib]
name = "bar"
plugin = true
[dependencies.baz]
path = "../baz"
"#,
)
.file(
"src/lib.rs",
r#"
#![feature(plugin_registrar, rustc_private)]
extern crate baz;
extern crate rustc_driver;
use rustc_driver::plugin::Registry;
#[plugin_registrar]
pub fn foo(_reg: &mut Registry) {
println!("{}", baz::baz());
}
"#,
)
.build();
let _baz = project()
.at("baz")
.file(
"Cargo.toml",
r#"
[package]
name = "baz"
version = "0.0.1"
authors = []
[lib]
name = "baz"
crate_type = ["dylib"]
"#,
)
.file("src/lib.rs", "pub fn baz() -> i32 { 1 }")
.build();
foo.cargo("build").run();
foo.cargo("doc").run();
}
#[cargo_test]
fn plugin_with_dynamic_native_dependency() {
if !is_nightly() {
return;
}
let build = project()
.at("builder")
.file(
"Cargo.toml",
r#"
[package]
name = "builder"
version = "0.0.1"
authors = []
[lib]
name = "builder"
crate-type = ["dylib"]
"#,
)
.file("src/lib.rs", "#[no_mangle] pub extern fn foo() {}")
.build();
let foo = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies.bar]
path = "bar"
"#,
)
.file(
"src/main.rs",
r#"
#![feature(plugin)]
#![plugin(bar)]
fn main() {}
"#,
)
.file(
"bar/Cargo.toml",
r#"
[package]
name = "bar"
version = "0.0.1"
authors = []
build = 'build.rs'
[lib]
name = "bar"
plugin = true
"#,
)
.file(
"bar/build.rs",
r#"
use std::env;
use std::fs;
use std::path::PathBuf;
fn main() {
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
let root = PathBuf::from(env::var("BUILDER_ROOT").unwrap());
let file = format!("{}builder{}",
env::consts::DLL_PREFIX,
env::consts::DLL_SUFFIX);
let src = root.join(&file);
let dst = out_dir.join(&file);
fs::copy(src, dst).unwrap();
if cfg!(windows) {
fs::copy(root.join("builder.dll.lib"),
out_dir.join("builder.dll.lib")).unwrap();
}
println!("cargo:rustc-flags=-L {}", out_dir.display());
}
"#,
)
.file(
"bar/src/lib.rs",
r#"
#![feature(plugin_registrar, rustc_private)]
extern crate rustc_driver;
use rustc_driver::plugin::Registry;
#[cfg_attr(not(target_env = "msvc"), link(name = "builder"))]
#[cfg_attr(target_env = "msvc", link(name = "builder.dll"))]
extern { fn foo(); }
#[plugin_registrar]
pub fn bar(_reg: &mut Registry) {
unsafe { foo() }
}
"#,
)
.build();
build.cargo("build").run();
let root = build.root().join("target").join("debug");
foo.cargo("build -v").env("BUILDER_ROOT", root).run();
}
#[cargo_test]
fn plugin_integration() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
build = "build.rs"
[lib]
name = "foo"
plugin = true
doctest = false
"#,
)
.file("build.rs", "fn main() {}")
.file("src/lib.rs", "")
.file("tests/it_works.rs", "")
.build();
p.cargo("test -v").run();
}
#[cargo_test]
fn doctest_a_plugin() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies]
bar = { path = "bar" }
"#,
)
.file("src/lib.rs", "#[macro_use] extern crate bar;")
.file(
"bar/Cargo.toml",
r#"
[package]
name = "bar"
version = "0.0.1"
authors = []
[lib]
name = "bar"
plugin = true
"#,
)
.file("bar/src/lib.rs", "pub fn bar() {}")
.build();
p.cargo("test -v").run();
}
#[cargo_test]
fn native_plugin_dependency_with_custom_linker() {
let target = rustc_host();
let _foo = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[lib]
plugin = true
"#,
)
.file("src/lib.rs", "")
.build();
let bar = project()
.at("bar")
.file(
"Cargo.toml",
r#"
[package]
name = "bar"
version = "0.0.1"
authors = []
[dependencies.foo]
path = "../foo"
"#,
)
.file("src/lib.rs", "")
.file(
".cargo/config",
&format!(
r#"
[target.{}]
linker = "nonexistent-linker"
"#,
target
),
)
.build();
bar.cargo("build --verbose")
.with_status(101)
.with_stderr_contains(
"\
[COMPILING] foo v0.0.1 ([..])
[RUNNING] `rustc [..] -C linker=nonexistent-linker [..]`
[ERROR] [..]linker[..]
",
)
.run();
}
#[cargo_test]
fn panic_abort_plugins() {
if !is_nightly() {
return;
}
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[profile.dev]
panic = 'abort'
[dependencies]
bar = { path = "bar" }
"#,
)
.file("src/lib.rs", "")
.file(
"bar/Cargo.toml",
r#"
[package]
name = "bar"
version = "0.0.1"
authors = []
[lib]
plugin = true
"#,
)
.file(
"bar/src/lib.rs",
r#"
#![feature(rustc_private)]
extern crate rustc_ast;
"#,
)
.build();
p.cargo("build").run();
}
#[cargo_test]
fn shared_panic_abort_plugins() {
if !is_nightly() {
return;
}
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[profile.dev]
panic = 'abort'
[dependencies]
bar = { path = "bar" }
baz = { path = "baz" }
"#,
)
.file("src/lib.rs", "extern crate baz;")
.file(
"bar/Cargo.toml",
r#"
[package]
name = "bar"
version = "0.0.1"
authors = []
[lib]
plugin = true
[dependencies]
baz = { path = "../baz" }
"#,
)
.file(
"bar/src/lib.rs",
r#"
#![feature(rustc_private)]
extern crate rustc_ast;
extern crate baz;
"#,
)
.file("baz/Cargo.toml", &basic_manifest("baz", "0.0.1"))
.file("baz/src/lib.rs", "")
.build();
p.cargo("build").run();
}