cargo/tests/testsuite/package_features.rs
2023-02-20 12:21:27 -06:00

704 lines
17 KiB
Rust

//! Tests for feature selection on the command-line.
use super::features2::switch_to_resolver_2;
use cargo_test_support::registry::{Dependency, Package};
use cargo_test_support::{basic_manifest, project};
use std::fmt::Write;
#[cargo_test]
fn virtual_no_default_features() {
// --no-default-features in root of virtual workspace.
Package::new("dep1", "1.0.0").publish();
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["a", "b"]
"#,
)
.file(
"a/Cargo.toml",
r#"
[package]
name = "a"
version = "0.1.0"
[dependencies]
dep1 = {version = "1.0", optional = true}
[features]
default = ["dep1"]
"#,
)
.file("a/src/lib.rs", "")
.file(
"b/Cargo.toml",
r#"
[package]
name = "b"
version = "0.1.0"
[features]
default = ["f1"]
f1 = []
"#,
)
.file(
"b/src/lib.rs",
r#"
#[cfg(feature = "f1")]
compile_error!{"expected f1 off"}
"#,
)
.build();
p.cargo("check --no-default-features")
.with_stderr_unordered(
"\
[UPDATING] [..]
[CHECKING] a v0.1.0 [..]
[CHECKING] b v0.1.0 [..]
[FINISHED] [..]
",
)
.run();
p.cargo("check --features foo")
.with_status(101)
.with_stderr(
"[ERROR] none of the selected packages contains these features: foo, did you mean: f1?",
)
.run();
p.cargo("check --features a/dep1,b/f1,b/f2,f2")
.with_status(101)
.with_stderr("[ERROR] none of the selected packages contains these features: b/f2, f2, did you mean: f1?")
.run();
p.cargo("check --features a/dep,b/f1,b/f2,f2")
.with_status(101)
.with_stderr("[ERROR] none of the selected packages contains these features: a/dep, b/f2, f2, did you mean: a/dep1, f1?")
.run();
p.cargo("check --features a/dep,a/dep1")
.with_status(101)
.with_stderr("[ERROR] none of the selected packages contains these features: a/dep, did you mean: b/f1?")
.run();
}
#[cargo_test]
fn virtual_typo_member_feature() {
project()
.file(
"Cargo.toml",
r#"
[package]
name = "a"
version = "0.1.0"
resolver = "2"
[features]
deny-warnings = []
"#,
)
.file("src/lib.rs", "")
.build()
.cargo("check --features a/deny-warning")
.with_status(101)
.with_stderr(
"[ERROR] none of the selected packages contains these features: a/deny-warning, did you mean: a/deny-warnings?",
)
.run();
}
#[cargo_test]
fn virtual_features() {
// --features in root of virtual workspace.
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["a", "b"]
"#,
)
.file(
"a/Cargo.toml",
r#"
[package]
name = "a"
version = "0.1.0"
[features]
f1 = []
"#,
)
.file(
"a/src/lib.rs",
r#"
#[cfg(not(feature = "f1"))]
compile_error!{"f1 is missing"}
"#,
)
.file("b/Cargo.toml", &basic_manifest("b", "0.1.0"))
.file("b/src/lib.rs", "")
.build();
p.cargo("check --features f1")
.with_stderr_unordered(
"\
[CHECKING] a [..]
[CHECKING] b [..]
[FINISHED] [..]
",
)
.run();
}
#[cargo_test]
fn virtual_with_specific() {
// -p flags with --features in root of virtual.
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["a", "b"]
"#,
)
.file(
"a/Cargo.toml",
r#"
[package]
name = "a"
version = "0.1.0"
[features]
f1 = []
f2 = []
"#,
)
.file(
"a/src/lib.rs",
r#"
#[cfg(not_feature = "f1")]
compile_error!{"f1 is missing"}
#[cfg(not_feature = "f2")]
compile_error!{"f2 is missing"}
"#,
)
.file(
"b/Cargo.toml",
r#"
[package]
name = "b"
version = "0.1.0"
[features]
f2 = []
f3 = []
"#,
)
.file(
"b/src/lib.rs",
r#"
#[cfg(not_feature = "f2")]
compile_error!{"f2 is missing"}
#[cfg(not_feature = "f3")]
compile_error!{"f3 is missing"}
"#,
)
.build();
p.cargo("check -p a -p b --features f1,f2,f3")
.with_stderr_unordered(
"\
[CHECKING] a [..]
[CHECKING] b [..]
[FINISHED] [..]
",
)
.run();
}
#[cargo_test]
fn other_member_from_current() {
// -p for another member while in the current directory.
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["bar"]
[package]
name = "foo"
version = "0.1.0"
[dependencies]
bar = { path="bar", features=["f3"] }
[features]
f1 = ["bar/f4"]
"#,
)
.file("src/lib.rs", "")
.file(
"bar/Cargo.toml",
r#"
[package]
name = "bar"
version = "0.1.0"
[features]
f1 = []
f2 = []
f3 = []
f4 = []
"#,
)
.file("bar/src/lib.rs", "")
.file(
"bar/src/main.rs",
r#"
fn main() {
if cfg!(feature = "f1") {
print!("f1");
}
if cfg!(feature = "f2") {
print!("f2");
}
if cfg!(feature = "f3") {
print!("f3");
}
if cfg!(feature = "f4") {
print!("f4");
}
println!();
}
"#,
)
.build();
// Old behavior.
p.cargo("run -p bar --features f1")
.with_stdout("f3f4")
.run();
p.cargo("run -p bar --features f1,f2")
.with_status(101)
.with_stderr("[ERROR] Package `foo[..]` does not have the feature `f2`")
.run();
p.cargo("run -p bar --features bar/f1")
.with_stdout("f1f3")
.run();
// New behavior.
switch_to_resolver_2(&p);
p.cargo("run -p bar --features f1").with_stdout("f1").run();
p.cargo("run -p bar --features f1,f2")
.with_stdout("f1f2")
.run();
p.cargo("run -p bar --features bar/f1")
.with_stdout("f1")
.run();
}
#[cargo_test]
fn feature_default_resolver() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "a"
version = "0.1.0"
[features]
test = []
"#,
)
.file(
"src/main.rs",
r#"
fn main() {
if cfg!(feature = "test") {
println!("feature set");
}
}
"#,
)
.build();
p.cargo("check --features testt")
.with_status(101)
.with_stderr("[ERROR] Package `a[..]` does not have the feature `testt`")
.run();
p.cargo("run --features test")
.with_status(0)
.with_stdout("feature set")
.run();
p.cargo("run --features a/test")
.with_status(101)
.with_stderr("[ERROR] package `a[..]` does not have a dependency named `a`")
.run();
}
#[cargo_test]
fn virtual_member_slash() {
// member slash feature syntax
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["a"]
"#,
)
.file(
"a/Cargo.toml",
r#"
[package]
name = "a"
version = "0.1.0"
[dependencies]
b = {path="../b", optional=true}
[features]
default = ["f1"]
f1 = []
f2 = []
"#,
)
.file(
"a/src/lib.rs",
r#"
#[cfg(feature = "f1")]
compile_error!{"f1 is set"}
#[cfg(feature = "f2")]
compile_error!{"f2 is set"}
#[cfg(feature = "b")]
compile_error!{"b is set"}
"#,
)
.file(
"b/Cargo.toml",
r#"
[package]
name = "b"
version = "0.1.0"
[features]
bfeat = []
"#,
)
.file(
"b/src/lib.rs",
r#"
#[cfg(feature = "bfeat")]
compile_error!{"bfeat is set"}
"#,
)
.build();
p.cargo("check -p a")
.with_status(101)
.with_stderr_contains("[..]f1 is set[..]")
.with_stderr_does_not_contain("[..]f2 is set[..]")
.with_stderr_does_not_contain("[..]b is set[..]")
.run();
p.cargo("check -p a --features a/f1")
.with_status(101)
.with_stderr_contains("[..]f1 is set[..]")
.with_stderr_does_not_contain("[..]f2 is set[..]")
.with_stderr_does_not_contain("[..]b is set[..]")
.run();
p.cargo("check -p a --features a/f2")
.with_status(101)
.with_stderr_contains("[..]f1 is set[..]")
.with_stderr_contains("[..]f2 is set[..]")
.with_stderr_does_not_contain("[..]b is set[..]")
.run();
p.cargo("check -p a --features b/bfeat")
.with_status(101)
.with_stderr_contains("[..]bfeat is set[..]")
.run();
p.cargo("check -p a --no-default-features").run();
p.cargo("check -p a --no-default-features --features b")
.with_status(101)
.with_stderr_contains("[..]b is set[..]")
.run();
}
#[cargo_test]
fn non_member() {
// -p for a non-member
Package::new("dep", "1.0.0").publish();
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
resolver = "2"
[dependencies]
dep = "1.0"
[features]
f1 = []
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("check -p dep --features f1")
.with_status(101)
.with_stderr("[ERROR] cannot specify features for packages outside of workspace")
.run();
p.cargo("check -p dep --all-features")
.with_status(101)
.with_stderr("[ERROR] cannot specify features for packages outside of workspace")
.run();
p.cargo("check -p dep --no-default-features")
.with_status(101)
.with_stderr("[ERROR] cannot specify features for packages outside of workspace")
.run();
p.cargo("check -p dep")
.with_stderr(
"\
[UPDATING] [..]
[DOWNLOADING] [..]
[DOWNLOADED] [..]
[CHECKING] dep [..]
[FINISHED] [..]
",
)
.run();
}
#[cargo_test]
fn resolver1_member_features() {
// --features member-name/feature-name with resolver="1"
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["member1", "member2"]
"#,
)
.file(
"member1/Cargo.toml",
r#"
[package]
name = "member1"
version = "0.1.0"
[features]
m1-feature = []
"#,
)
.file(
"member1/src/main.rs",
r#"
fn main() {
if cfg!(feature = "m1-feature") {
println!("m1-feature set");
}
}
"#,
)
.file("member2/Cargo.toml", &basic_manifest("member2", "0.1.0"))
.file("member2/src/lib.rs", "")
.build();
p.cargo("run -p member1 --features member1/m1-feature")
.cwd("member2")
.with_stdout("m1-feature set")
.run();
p.cargo("check -p member1 --features member1/m2-feature")
.cwd("member2")
.with_status(101)
.with_stderr("[ERROR] Package `member1[..]` does not have the feature `m2-feature`")
.run();
}
#[cargo_test]
fn non_member_feature() {
// --features for a non-member
Package::new("jazz", "1.0.0").publish();
Package::new("bar", "1.0.0")
.add_dep(Dependency::new("jazz", "1.0").optional(true))
.publish();
let make_toml = |resolver, optional| {
let mut s = String::new();
write!(
s,
r#"
[package]
name = "foo"
version = "0.1.0"
resolver = "{}"
[dependencies]
"#,
resolver
)
.unwrap();
if optional {
s.push_str(r#"bar = { version = "1.0", optional = true } "#);
} else {
s.push_str(r#"bar = "1.0""#)
}
s.push('\n');
s
};
let p = project()
.file("Cargo.toml", &make_toml("1", false))
.file("src/lib.rs", "")
.build();
p.cargo("fetch").run();
///////////////////////// V1 non-optional
eprintln!("V1 non-optional");
p.cargo("check -p bar")
.with_stderr(
"\
[CHECKING] bar v1.0.0
[FINISHED] [..]
",
)
.run();
// TODO: This should not be allowed (future warning?)
p.cargo("check --features bar/jazz")
.with_stderr(
"\
[DOWNLOADING] crates ...
[DOWNLOADED] jazz v1.0.0 [..]
[CHECKING] jazz v1.0.0
[CHECKING] bar v1.0.0
[CHECKING] foo v0.1.0 [..]
[FINISHED] [..]
",
)
.run();
// TODO: This should not be allowed (future warning?)
p.cargo("check -p bar --features bar/jazz -v")
.with_stderr(
"\
[FRESH] jazz v1.0.0
[FRESH] bar v1.0.0
[FINISHED] [..]
",
)
.run();
///////////////////////// V1 optional
eprintln!("V1 optional");
p.change_file("Cargo.toml", &make_toml("1", true));
// This error isn't great, but is probably unlikely to be common in
// practice, so I'm not going to put much effort into improving it.
p.cargo("check -p bar")
.with_status(101)
.with_stderr(
"\
error: package ID specification `bar` did not match any packages
<tab>Did you mean `foo`?
",
)
.run();
p.cargo("check -p bar --features bar -v")
.with_stderr(
"\
[FRESH] bar v1.0.0
[FINISHED] [..]
",
)
.run();
// TODO: This should not be allowed (future warning?)
p.cargo("check -p bar --features bar/jazz -v")
.with_stderr(
"\
[FRESH] jazz v1.0.0
[FRESH] bar v1.0.0
[FINISHED] [..]
",
)
.run();
///////////////////////// V2 non-optional
eprintln!("V2 non-optional");
p.change_file("Cargo.toml", &make_toml("2", false));
// TODO: This should not be allowed (future warning?)
p.cargo("check --features bar/jazz -v")
.with_stderr(
"\
[FRESH] jazz v1.0.0
[FRESH] bar v1.0.0
[FRESH] foo v0.1.0 [..]
[FINISHED] [..]
",
)
.run();
p.cargo("check -p bar -v")
.with_stderr(
"\
[FRESH] bar v1.0.0
[FINISHED] [..]
",
)
.run();
p.cargo("check -p bar --features bar/jazz")
.with_status(101)
.with_stderr("error: cannot specify features for packages outside of workspace")
.run();
///////////////////////// V2 optional
eprintln!("V2 optional");
p.change_file("Cargo.toml", &make_toml("2", true));
p.cargo("check -p bar")
.with_status(101)
.with_stderr(
"\
error: package ID specification `bar` did not match any packages
<tab>Did you mean `foo`?
",
)
.run();
// New --features behavior does not look at cwd.
p.cargo("check -p bar --features bar")
.with_status(101)
.with_stderr("error: cannot specify features for packages outside of workspace")
.run();
p.cargo("check -p bar --features bar/jazz")
.with_status(101)
.with_stderr("error: cannot specify features for packages outside of workspace")
.run();
p.cargo("check -p bar --features foo/bar")
.with_status(101)
.with_stderr("error: cannot specify features for packages outside of workspace")
.run();
}