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cargo/tests/testsuite/cargo_features.rs
Ed Page 675224b3a0 test(config): Shift to config.toml
2024-01-26 13:40:46 -06:00

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//! Tests for `cargo-features` definitions.
use cargo_test_support::registry::Package;
use cargo_test_support::{project, registry};
#[cargo_test]
fn feature_required() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "a"
version = "0.0.1"
authors = []
im-a-teapot = true
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("check")
.masquerade_as_nightly_cargo(&["test-dummy-unstable"])
.with_status(101)
.with_stderr(
"\
error: failed to parse manifest at `[..]`
Caused by:
the `im-a-teapot` manifest key is unstable and may not work properly in England
Caused by:
feature `test-dummy-unstable` is required
The package requires the Cargo feature called `test-dummy-unstable`, \
but that feature is not stabilized in this version of Cargo (1.[..]).
Consider adding `cargo-features = [\"test-dummy-unstable\"]` to the top of Cargo.toml \
(above the [package] table) to tell Cargo you are opting in to use this unstable feature.
See https://doc.rust-lang.org/nightly/cargo/reference/unstable.html for more information \
about the status of this feature.
",
)
.run();
// Same, but stable.
p.cargo("check")
.with_status(101)
.with_stderr(
"\
error: failed to parse manifest at `[..]`
Caused by:
the `im-a-teapot` manifest key is unstable and may not work properly in England
Caused by:
feature `test-dummy-unstable` is required
The package requires the Cargo feature called `test-dummy-unstable`, \
but that feature is not stabilized in this version of Cargo (1.[..]).
Consider trying a newer version of Cargo (this may require the nightly release).
See https://doc.rust-lang.org/nightly/cargo/reference/unstable.html \
for more information about the status of this feature.
",
)
.run();
}
#[cargo_test]
fn feature_required_dependency() {
// The feature has been stabilized by a future version of Cargo, and
// someone published something uses it, but this version of Cargo has not
// yet stabilized it. Don't suggest editing Cargo.toml, since published
// packages shouldn't be edited.
Package::new("bar", "1.0.0")
.file(
"Cargo.toml",
r#"
[package]
name = "bar"
version = "0.1.0"
im-a-teapot = true
"#,
)
.file("src/lib.rs", "")
.publish();
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
[dependencies]
bar = "1.0"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("check")
.masquerade_as_nightly_cargo(&["test-dummy-unstable"])
.with_status(101)
.with_stderr(
"\
[UPDATING] [..]
[DOWNLOADING] [..]
[DOWNLOADED] bar v1.0.0 [..]
error: failed to download replaced source registry `crates-io`
Caused by:
failed to parse manifest at `[..]/bar-1.0.0/Cargo.toml`
Caused by:
the `im-a-teapot` manifest key is unstable and may not work properly in England
Caused by:
feature `test-dummy-unstable` is required
The package requires the Cargo feature called `test-dummy-unstable`, \
but that feature is not stabilized in this version of Cargo (1.[..]).
Consider trying a more recent nightly release.
See https://doc.rust-lang.org/nightly/cargo/reference/unstable.html \
for more information about the status of this feature.
",
)
.run();
// Same, but stable.
p.cargo("check")
.with_status(101)
.with_stderr(
"\
error: failed to download `bar v1.0.0`
Caused by:
unable to get packages from source
Caused by:
failed to download replaced source registry `crates-io`
Caused by:
failed to parse manifest at `[..]/bar-1.0.0/Cargo.toml`
Caused by:
the `im-a-teapot` manifest key is unstable and may not work properly in England
Caused by:
feature `test-dummy-unstable` is required
The package requires the Cargo feature called `test-dummy-unstable`, \
but that feature is not stabilized in this version of Cargo (1.[..]).
Consider trying a newer version of Cargo (this may require the nightly release).
See https://doc.rust-lang.org/nightly/cargo/reference/unstable.html \
for more information about the status of this feature.
",
)
.run();
}
#[cargo_test]
fn unknown_feature() {
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["foo"]
[package]
name = "a"
version = "0.0.1"
authors = []
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("check")
.with_status(101)
.with_stderr(
"\
error: failed to parse manifest at `[..]`
Caused by:
unknown cargo feature `foo`
",
)
.run();
}
#[cargo_test]
fn stable_feature_warns() {
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["test-dummy-stable"]
[package]
name = "a"
version = "0.0.1"
authors = []
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("check")
.with_stderr(
"\
warning: the cargo feature `test-dummy-stable` has been stabilized in the 1.0 \
release and is no longer necessary to be listed in the manifest
See https://doc.rust-lang.org/[..]cargo/ for more information about using this feature.
[CHECKING] a [..]
[FINISHED] [..]
",
)
.run();
}
#[cargo_test(nightly, reason = "-Zallow-features is unstable")]
fn allow_features() {
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["test-dummy-unstable"]
[package]
name = "a"
version = "0.0.1"
authors = []
im-a-teapot = true
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("-Zallow-features=test-dummy-unstable check")
.masquerade_as_nightly_cargo(&["allow-features", "test-dummy-unstable"])
.with_stderr(
"\
[CHECKING] a [..]
[FINISHED] [..]
",
)
.run();
p.cargo("-Zallow-features=test-dummy-unstable,print-im-a-teapot -Zprint-im-a-teapot check")
.masquerade_as_nightly_cargo(&[
"allow-features",
"test-dummy-unstable",
"print-im-a-teapot",
])
.with_stdout("im-a-teapot = true")
.run();
p.cargo("-Zallow-features=test-dummy-unstable -Zprint-im-a-teapot check")
.masquerade_as_nightly_cargo(&[
"allow-features",
"test-dummy-unstable",
"print-im-a-teapot",
])
.with_status(101)
.with_stderr(
"\
error: the feature `print-im-a-teapot` is not in the list of allowed features: [test-dummy-unstable]
",
)
.run();
p.cargo("-Zallow-features= check")
.masquerade_as_nightly_cargo(&["allow-features", "test-dummy-unstable"])
.with_status(101)
.with_stderr(
"\
error: failed to parse manifest at `[..]`
Caused by:
the feature `test-dummy-unstable` is not in the list of allowed features: []
",
)
.run();
}
#[cargo_test(nightly, reason = "-Zallow-features is unstable")]
fn allow_features_to_rustc() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "a"
version = "0.0.1"
authors = []
"#,
)
.file(
"src/lib.rs",
r#"
#![allow(internal_features)]
#![feature(rustc_attrs)]
"#,
)
.build();
p.cargo("-Zallow-features= check")
.masquerade_as_nightly_cargo(&["allow-features"])
.with_status(101)
.with_stderr_contains("[..]E0725[..]")
.run();
p.cargo("-Zallow-features=rustc_attrs check")
.masquerade_as_nightly_cargo(&["allow-features"])
.with_stderr(
"\
[CHECKING] a [..]
[FINISHED] [..]
",
)
.run();
}
#[cargo_test(nightly, reason = "-Zallow-features is unstable")]
fn allow_features_in_cfg() {
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["test-dummy-unstable"]
[package]
name = "a"
version = "0.0.1"
authors = []
im-a-teapot = true
"#,
)
.file(
".cargo/config.toml",
r#"
[unstable]
allow-features = ["test-dummy-unstable", "print-im-a-teapot"]
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("check")
.masquerade_as_nightly_cargo(&[
"allow-features",
"test-dummy-unstable",
"print-im-a-teapot",
])
.with_stderr(
"\
[CHECKING] a [..]
[FINISHED] [..]
",
)
.run();
p.cargo("-Zprint-im-a-teapot check")
.masquerade_as_nightly_cargo(&[
"allow-features",
"test-dummy-unstable",
"print-im-a-teapot",
])
.with_stdout("im-a-teapot = true")
.with_stderr("[FINISHED] [..]")
.run();
p.cargo("-Zunstable-options check")
.masquerade_as_nightly_cargo(&["allow-features", "test-dummy-unstable", "print-im-a-teapot"])
.with_status(101)
.with_stderr(
"\
error: the feature `unstable-options` is not in the list of allowed features: [print-im-a-teapot, test-dummy-unstable]
",
)
.run();
// -Zallow-features overrides .cargo/config.toml
p.cargo("-Zallow-features=test-dummy-unstable -Zprint-im-a-teapot check")
.masquerade_as_nightly_cargo(&[
"allow-features",
"test-dummy-unstable",
"print-im-a-teapot",
])
.with_status(101)
.with_stderr(
"\
error: the feature `print-im-a-teapot` is not in the list of allowed features: [test-dummy-unstable]
",
)
.run();
p.cargo("-Zallow-features= check")
.masquerade_as_nightly_cargo(&[
"allow-features",
"test-dummy-unstable",
"print-im-a-teapot",
])
.with_status(101)
.with_stderr(
"\
error: failed to parse manifest at `[..]`
Caused by:
the feature `test-dummy-unstable` is not in the list of allowed features: []
",
)
.run();
}
#[cargo_test]
fn nightly_feature_requires_nightly() {
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["test-dummy-unstable"]
[package]
name = "a"
version = "0.0.1"
authors = []
im-a-teapot = true
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("check")
.masquerade_as_nightly_cargo(&["test-dummy-unstable"])
.with_stderr(
"\
[CHECKING] a [..]
[FINISHED] [..]
",
)
.run();
p.cargo("check")
.with_status(101)
.with_stderr(
"\
error: failed to parse manifest at `[..]`
Caused by:
the cargo feature `test-dummy-unstable` requires a nightly version of Cargo, \
but this is the `stable` channel
See [..]
See https://doc.rust-lang.org/[..]cargo/reference/unstable.html for more \
information about using this feature.
",
)
.run();
}
#[cargo_test]
fn nightly_feature_requires_nightly_in_dep() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "b"
version = "0.0.1"
authors = []
[dependencies]
a = { path = "a" }
"#,
)
.file("src/lib.rs", "")
.file(
"a/Cargo.toml",
r#"
cargo-features = ["test-dummy-unstable"]
[package]
name = "a"
version = "0.0.1"
authors = []
im-a-teapot = true
"#,
)
.file("a/src/lib.rs", "")
.build();
p.cargo("check")
.masquerade_as_nightly_cargo(&["test-dummy-unstable"])
.with_stderr(
"\
[CHECKING] a [..]
[CHECKING] b [..]
[FINISHED] [..]
",
)
.run();
p.cargo("check")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to get `a` as a dependency of package `b v0.0.1 ([..])`
Caused by:
failed to load source for dependency `a`
Caused by:
Unable to update [..]
Caused by:
failed to parse manifest at `[..]`
Caused by:
the cargo feature `test-dummy-unstable` requires a nightly version of Cargo, \
but this is the `stable` channel
See [..]
See https://doc.rust-lang.org/[..]cargo/reference/unstable.html for more \
information about using this feature.
",
)
.run();
}
#[cargo_test]
fn cant_publish() {
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["test-dummy-unstable"]
[package]
name = "a"
version = "0.0.1"
authors = []
im-a-teapot = true
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("check")
.masquerade_as_nightly_cargo(&["test-dummy-unstable"])
.with_stderr(
"\
[CHECKING] a [..]
[FINISHED] [..]
",
)
.run();
p.cargo("check")
.with_status(101)
.with_stderr(
"\
error: failed to parse manifest at `[..]`
Caused by:
the cargo feature `test-dummy-unstable` requires a nightly version of Cargo, \
but this is the `stable` channel
See [..]
See https://doc.rust-lang.org/[..]cargo/reference/unstable.html for more \
information about using this feature.
",
)
.run();
}
#[cargo_test]
fn z_flags_rejected() {
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["test-dummy-unstable"]
[package]
name = "a"
version = "0.0.1"
authors = []
im-a-teapot = true
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("check -Zprint-im-a-teapot")
.with_status(101)
.with_stderr(
"error: the `-Z` flag is only accepted on the nightly \
channel of Cargo, but this is the `stable` channel\n\
See [..]",
)
.run();
p.cargo("check -Zarg")
.masquerade_as_nightly_cargo(&["test-dummy-unstable"])
.with_status(101)
.with_stderr(
r#"error: unknown `-Z` flag specified: arg
For available unstable features, see https://doc.rust-lang.org/nightly/cargo/reference/unstable.html
If you intended to use an unstable rustc feature, try setting `RUSTFLAGS="-Zarg"`
"#,
)
.run();
p.cargo("check -Zprint-im-a-teapot")
.masquerade_as_nightly_cargo(&["test-dummy-unstable"])
.with_stdout("im-a-teapot = true\n")
.with_stderr(
"\
[CHECKING] a [..]
[FINISHED] [..]
",
)
.run();
}
#[cargo_test]
fn publish_allowed() {
let registry = registry::RegistryBuilder::new()
.http_api()
.http_index()
.build();
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["test-dummy-unstable"]
[package]
name = "a"
version = "0.0.1"
authors = []
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("publish")
.replace_crates_io(registry.index_url())
.masquerade_as_nightly_cargo(&["test-dummy-unstable"])
.with_stderr(
"\
[UPDATING] [..]
[WARNING] [..]
[..]
[PACKAGING] a v0.0.1 [..]
[VERIFYING] a v0.0.1 [..]
[COMPILING] a v0.0.1 [..]
[FINISHED] [..]
[PACKAGED] [..]
[UPLOADING] a v0.0.1 [..]
[UPLOADED] a v0.0.1 to registry `crates-io`
note: Waiting for `a v0.0.1` to be available at registry `crates-io`.
You may press ctrl-c to skip waiting; the crate should be available shortly.
[PUBLISHED] a v0.0.1 at registry `crates-io`
",
)
.run();
}
#[cargo_test]
fn wrong_position() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
cargo-features = ["test-dummy-unstable"]
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("check")
.masquerade_as_nightly_cargo(&["test-dummy-unstable"])
.with_status(101)
.with_stderr(
"\
[ERROR] the field `cargo-features` should be set at the top of Cargo.toml before any tables
--> Cargo.toml:5:34
|
5 | cargo-features = [\"test-dummy-unstable\"]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
",
)
.run();
}
#[cargo_test]
fn z_stabilized() {
let p = project().file("src/lib.rs", "").build();
p.cargo("check -Z cache-messages")
.masquerade_as_nightly_cargo(&["always_nightly"])
.with_stderr(
"\
warning: flag `-Z cache-messages` has been stabilized in the 1.40 release, \
and is no longer necessary
Message caching is now always enabled.
[CHECKING] foo [..]
[FINISHED] [..]
",
)
.run();
p.cargo("check -Z offline")
.masquerade_as_nightly_cargo(&["always_nightly"])
.with_status(101)
.with_stderr(
"\
error: flag `-Z offline` has been stabilized in the 1.36 release
Offline mode is now available via the --offline CLI option
",
)
.run();
}
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