Rollup merge of #125723 - GuillaumeGomez:migrate-run-make-crate-data-smoke, r=jieyouxu

Migrate `run-make/crate-data-smoke` to `rmake.rs`

Part of #121876.

r? ``@jieyouxu``

Author: fmease

src/tools/run-make-support/src/lib.rs

@@ -135,7 +135,13 @@ pub fn dynamic_lib_name(name: &str) -> String {
 /// Construct a path to a rust library (rlib) under `$TMPDIR` given the library name. This will return a
 /// path with `$TMPDIR` joined with the library name.
 pub fn rust_lib(name: &str) -> PathBuf {
-    tmp_dir().join(format!("lib{name}.rlib"))
+    tmp_dir().join(rust_lib_name(name))
+}
+
+/// Generate the name a rust library (rlib) would have. If you want the complete path, use
+/// [`rust_lib`] instead.
+pub fn rust_lib_name(name: &str) -> String {
+    format!("lib{name}.rlib")
 }
 
 /// Construct the binary name based on platform.

src/tools/run-make-support/src/rustc.rs

@@ -211,7 +211,7 @@ impl Rustc {
 
     /// Get the [`Output`] of the finished process.
     #[track_caller]
-    pub fn command_output(&mut self) -> ::std::process::Output {
+    pub fn command_output(&mut self) -> Output {
         // let's make sure we piped all the input and outputs
         self.cmd.stdin(Stdio::piped());
         self.cmd.stdout(Stdio::piped());

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -22,7 +22,6 @@ run-make/compiler-lookup-paths/Makefile
 run-make/compiler-rt-works-on-mingw/Makefile
 run-make/compressed-debuginfo/Makefile
 run-make/const_fn_mir/Makefile
-run-make/crate-data-smoke/Makefile
 run-make/crate-hash-rustc-version/Makefile
 run-make/crate-name-priority/Makefile
 run-make/cross-lang-lto-clang/Makefile

tests/run-make/crate-data-smoke/Makefile

@@ -0,0 +1,43 @@
+use std::process::Output;
+
+use run_make_support::{bin_name, rust_lib_name, rustc};
+
+fn compare_stdout<S: AsRef<str>>(output: Output, expected: S) {
+    assert_eq!(
+        String::from_utf8(output.stdout).unwrap().trim(),
+        expected.as_ref()
+    );
+}
+
+fn main() {
+    compare_stdout(rustc().print("crate-name").input("crate.rs").run(), "foo");
+    compare_stdout(
+        rustc().print("file-names").input("crate.rs").run(),
+        bin_name("foo"),
+    );
+    compare_stdout(
+        rustc()
+            .print("file-names")
+            .crate_type("lib")
+            .arg("--test")
+            .input("crate.rs")
+            .run(),
+        bin_name("foo"),
+    );
+    compare_stdout(
+        rustc()
+            .print("file-names")
+            .arg("--test")
+            .input("lib.rs")
+            .run(),
+        bin_name("mylib"),
+    );
+    compare_stdout(
+        rustc().print("file-names").input("lib.rs").run(),
+        rust_lib_name("mylib"),
+    );
+    compare_stdout(
+        rustc().print("file-names").input("rlib.rs").run(),
+        rust_lib_name("mylib"),
+    );
+}