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test(priv_dep): add test for verify public is respected recursively #13183

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test(priv_dep): add test for verify public is respected recursively #13183

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9 changes: 9 additions & 0 deletions crates/cargo-test-support/src/registry.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -558,6 +558,7 @@ pub struct Dependency {
package: Option<String>,
optional: bool,
default_features: bool,
public: bool,
}

/// Entry with data that corresponds to [`tar::EntryType`].
Expand Down Expand Up @@ -1428,6 +1429,7 @@ impl Package {
"kind": dep.kind,
"registry": registry_url,
"package": dep.package,
"public": dep.public
})
})
.collect::<Vec<_>>();
Expand Down Expand Up @@ -1678,6 +1680,7 @@ impl Dependency {
optional: false,
registry: None,
default_features: true,
public: false,
}
}

Expand Down Expand Up @@ -1731,6 +1734,12 @@ impl Dependency {
self
}

/// Changes this to an public dependency.
pub fn public(&mut self, public: bool) -> &mut Self {
self.public = public;
self
}

/// Adds `default-features = false` if the argument is `false`.
pub fn default_features(&mut self, default_features: bool) -> &mut Self {
self.default_features = default_features;
Expand Down
219 changes: 218 additions & 1 deletion tests/testsuite/pub_priv.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
//! Tests for public/private dependencies.

use cargo_test_support::project;
use cargo_test_support::registry::Package;
use cargo_test_support::registry::{Dependency, Package};

#[cargo_test(nightly, reason = "exported_private_dependencies lint is unstable")]
fn exported_priv_warning() {
Expand Down Expand Up @@ -479,3 +479,220 @@ fn allow_priv_in_custom_build() {
)
.run()
}

// A indirectly add D as private dependency.
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These tests don't make it too clear that they are not expected behavior but that some help show existing bugs. We should call that out, linking to the issue in question

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I've been unsure whether these should be merged before the related fix. Thinking on it more, and with rust-lang/rust#119428 being moved to the rust repo, I suspect we should hold off on tests that demonstrate bad behavior. The problem is that the fix would be merged into the rust repo but they can't update the tests in the same commit, adding more frustration to the process of fixing the bugs.

Sorry that I hadn't thought of it before you had put more time into polishing this up.

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It is ok to close this PR or add WIP to the title until the issue fixed in rust repo.

// A -> B -> C -> D
#[cargo_test(nightly, reason = "exported_private_dependencies lint is unstable")]
fn recursive_package_pub_no_warning() {
Package::new("grandparent_bar", "0.1.0")
.file("src/lib.rs", "pub struct FromPub;")
.publish();
Package::new("parent_bar", "0.1.0")
.cargo_feature("public-dependency")
.add_dep(Dependency::new("grandparent_bar", "0.1.0").public(true))
.file(
"src/lib.rs",
"
extern crate grandparent_bar;
pub use grandparent_bar::*;
",
)
.publish();
Package::new("pub_dep", "0.1.0")
.cargo_feature("public-dependency")
.add_dep(Dependency::new("parent_bar", "0.1.0").public(true))
.file(
"src/lib.rs",
"
extern crate parent_bar;
pub use parent_bar::*;
",
)
.publish();
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["public-dependency"]

[package]
name = "foo"
version = "0.0.1"

[dependencies]
pub_dep = {version = "0.1.0", public = true}
"#,
)
.file(
"src/lib.rs",
"
extern crate pub_dep;
pub fn use_pub(_: pub_dep::FromPub) {}
",
)
.build();

p.cargo("check --message-format=short")
.masquerade_as_nightly_cargo(&["public-dependency"])
.with_stderr(
"\
[UPDATING] `[..]` index
[DOWNLOADING] crates ...
[DOWNLOADED] pub_dep v0.1.0 ([..])
[DOWNLOADED] parent_bar v0.1.0 ([..])
[DOWNLOADED] grandparent_bar v0.1.0 ([..])
[CHECKING] grandparent_bar v0.1.0
[CHECKING] parent_bar v0.1.0
[CHECKING] pub_dep v0.1.0
[CHECKING] foo v0.0.1 ([..])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run()
}

// A indirectly add D as private dependency.
// A -> B -> C -> D
#[cargo_test(nightly, reason = "exported_private_dependencies lint is unstable")]
fn recursive_package_priv_warning() {
Package::new("grandparent_bar", "0.1.0")
.file("src/lib.rs", "pub struct FromPriv;")
.publish();
Package::new("parent_bar", "0.1.0")
.cargo_feature("public-dependency")
.add_dep(Dependency::new("grandparent_bar", "0.1.0").public(true))
.file(
"src/lib.rs",
"
extern crate grandparent_bar;
pub use grandparent_bar::*;
",
)
.publish();
Package::new("priv_dep", "0.1.0")
.cargo_feature("public-dependency")
.add_dep(Dependency::new("parent_bar", "0.1.0").public(true))
.file(
"src/lib.rs",
"
extern crate parent_bar;
pub use parent_bar::*;
",
)
.publish();
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["public-dependency"]

[package]
name = "foo"
version = "0.0.1"

[dependencies]
priv_dep = "0.1.0"
"#,
)
.file(
"src/lib.rs",
"
extern crate priv_dep;
pub fn use_pub(_: priv_dep::FromPriv) {}
",
)
.build();

p.cargo("check --message-format=short")
.masquerade_as_nightly_cargo(&["public-dependency"])
.with_stderr(
"\
[UPDATING] `[..]` index
[DOWNLOADING] crates ...
[DOWNLOADED] priv_dep v0.1.0 ([..])
[DOWNLOADED] parent_bar v0.1.0 ([..])
[DOWNLOADED] grandparent_bar v0.1.0 ([..])
[CHECKING] grandparent_bar v0.1.0
[CHECKING] parent_bar v0.1.0
[CHECKING] priv_dep v0.1.0
[CHECKING] foo v0.0.1 ([..])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run()
}

// A indirectly add D as public dependency, then directly add D as private dependency.
// A -> B -> C -> D
// \ _ _ _ _ _ /|\
#[cargo_test(nightly, reason = "exported_private_dependencies lint is unstable")]
fn recursive_package_pub_priv_together() {
Package::new("grandparent_bar", "0.1.0")
.file("src/lib.rs", "pub struct FromPriv;")
.publish();
Package::new("parent_bar", "0.1.0")
.cargo_feature("public-dependency")
.add_dep(Dependency::new("grandparent_bar", "0.1.0").public(true))
.file(
"src/lib.rs",
"
extern crate grandparent_bar;
pub use grandparent_bar::*;
",
)
.publish();
Package::new("pub_dep", "0.1.0")
.cargo_feature("public-dependency")
.add_dep(Dependency::new("parent_bar", "0.1.0").public(true))
.file(
"src/lib.rs",
"
extern crate parent_bar;
pub use parent_bar::*;
",
)
.publish();
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["public-dependency"]

[package]
name = "foo"
version = "0.0.1"

[dependencies]
pub_dep = {version = "0.1.0", public = true}
grandparent_bar = "0.1.0"
"#,
)
.file(
"src/lib.rs",
"
extern crate pub_dep;
extern crate grandparent_bar;

pub fn use_pub(_: grandparent_bar::FromPriv) {}
",
)
.build();

p.cargo("check --message-format=short")
.masquerade_as_nightly_cargo(&["public-dependency"])
.with_stderr(
"\
[UPDATING] `[..]` index
[DOWNLOADING] crates ...
[DOWNLOADED] pub_dep v0.1.0 ([..])
[DOWNLOADED] parent_bar v0.1.0 ([..])
[DOWNLOADED] grandparent_bar v0.1.0 ([..])
[CHECKING] grandparent_bar v0.1.0
[CHECKING] parent_bar v0.1.0
[CHECKING] pub_dep v0.1.0
[CHECKING] foo v0.0.1 ([..])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run()
}