rust-lang/rust#122565 adds a new line to thread panic output.
To make the current test suites works on stable, beta, and nightly,
this relaxes the assertion around that by globbing everything.
We now include the prelude in so many places, this simplifies how we can
present how `cargo-test-support` works.
Yes, this included some `use` clean ups but its already painful enough
walking through every test file, I didn't want to do it twice.
While this is noisy and hides other deprecations, I figured deprecations would
make it easier for people to discover what tasks remain and allow us to
divide and conquer this work rather than doing a heroic PR.
In theory, this will be short lived and we'll go back to seeing
deprecations in our tests.
External subcommands are already able to inherit the jobserver from
env since #10511. However, users reported that they've expected
`cargo run` to behave the same as external subcommands.
A popular example "cargo-xtask" pattern is used as scripting to run
arbitrary tasks. Users may want to invoke `cargo run` from Make and
expect some parallelism. This PR provides such an ability to the
general `target.<...>.runner`, which affects `cargo test`,
`cargo bench`, and `cargo run`.
Note that this PR doesn't create any jobserver client if there is no
existing jobserver from the environment. Nor `-j`/`--jobs` would create
a new client. Reasons for this decision:
* There might be crates don't want the jobserver to pollute their
file descriptors, although they might be rare
* Creating a jobsever driver with the new FIFO named pipe style is not
yet supported as of `jobserver@0.1.26`. Once we can create a named
pipe-based jobserver, it will be less risky and inheritance by
default can be implemented.
* Collapse the nested cargotest::support module into the cargotest
module (merge the mod.rs's)
* Rename the cargotest module to support
* Nest the top-level hamcrest module into support
By rewriting the tests, with rerast (https://github.com/google/rerast),
to use the newly introduced "at" method.
First I added the following temporary function to cargotest::support:
pub fn project_foo() -> ProjectBuilder {
project("foo")
}
Then I defined the following rewrite.rs:
use cargotest::support::{ project, project_foo };
fn rule1(a: &'static str) {
replace!(project("foo") => project_foo());
replace!(project(a) => project_foo().at(a));
}
Then I ran rerast:
cargo +nightly rerast --rules_file=rewrite.rs --force --targets tests --file tests/testsuite/main.rs
Finally I searched and replaced the references to project_foo with
argument-less project (a little awkardly on macOS with a git clean).
find tests -type f -exec sed -i -e 's/project_foo/project/g' {} +
git clean -d tests
