Fix "multiple candidates for rmeta dependency" issues with compilet…

…est_rs.

Cargo.toml

@@ -43,9 +43,9 @@ codecov = { repository = "orium/archery", branch = "master", service = "github"
 static_assertions = "1.1.0"
 
 [dev-dependencies]
-criterion = { version = "0.4.0", features = ["html_reports"] }
+criterion = { version = "0.5.1", features = ["html_reports"] }
 pretty_assertions = "1.2.1"
-compiletest_rs = { version = "0.9.0", features = [ "tmp" ] }
+compiletest_rs = "0.10.2"
 
 [features]
 fatal-warnings = []

tests/compile-fail/shared_pointer_arc_of_non_send_is_not_send_nor_sync.rs

@@ -1,6 +1,3 @@
-extern crate archery;
-extern crate static_assertions;
-
 use archery::*;
 use static_assertions::assert_impl_all;
 use std::sync::MutexGuard;

tests/compile-fail/shared_pointer_arc_of_non_send_nor_sync_is_not_send_nor_sync.rs

@@ -1,9 +1,6 @@
-extern crate archery;
-extern crate static_assertions;
-
+use archery::*;
 use std::rc::Rc;
 use static_assertions::assert_impl_all;
-use archery::*;
 
 assert_impl_all!(SharedPointer<Rc<i32>, ArcK>: Send);
 //~^ ERROR cannot be sent between threads safely

tests/compile-fail/shared_pointer_arc_of_non_sync_is_not_send_nor_sync.rs

@@ -1,6 +1,3 @@
-extern crate archery;
-extern crate static_assertions;
-
 use archery::*;
 use static_assertions::assert_impl_all;
 use std::cell::Cell;

tests/compile-fail/shared_pointer_rc_is_not_send_nor_sync.rs

@@ -1,8 +1,5 @@
-extern crate archery;
-extern crate static_assertions;
-
-use static_assertions::assert_impl_all;
 use archery::*;
+use static_assertions::assert_impl_all;
 
 assert_impl_all!(i32: Send, Sync);
 

tests/tests.rs

@@ -2,20 +2,53 @@
 
 extern crate compiletest_rs as compiletest;
 
+use std::path::PathBuf;
+
+fn find_rlib(dependency_path: &str, dependency_name: &str) -> std::io::Result<Option<PathBuf>> {
+    use std::fs::read_dir;
+
+    for entry in read_dir(dependency_path)? {
+        let entry = entry?;
+
+        if let Some(filename) = entry.path().file_name().and_then(|f| f.to_str()) {
+            if filename.starts_with(&format!("lib{}", dependency_name))
+                && filename.ends_with(".rlib")
+            {
+                return Ok(Some(entry.path()));
+            }
+        }
+    }
+
+    Ok(None)
+}
+
+fn rustc_flags(dependency_path: &str, dependencies: &[&str]) -> String {
+    let mut flags = format!("--edition=2021 -L dependency={} ", dependency_path);
+
+    for dep in dependencies {
+        let rlib_path = find_rlib(dependency_path, dep).expect("io error").expect("rlib not found");
+
+        flags.push_str(&format!("--extern {}={} ", dep, rlib_path.display()));
+    }
+
+    flags
+}
+
 #[cfg(not(miri))]
 #[test]
 fn compile_tests() {
-    use compiletest::common::ConfigWithTemp;
     use compiletest::common::Mode;
     use compiletest::Config;
     use std::path::PathBuf;
 
-    let mut config: ConfigWithTemp = Config::default().tempdir();
+    let mut config: Config = Config::default();
 
     config.mode = Mode::CompileFail;
     config.src_base = PathBuf::from("tests/compile-fail");
-    config.target_rustcflags = Some("-L target/debug -L target/debug/deps".to_string());
-    config.clean_rmeta();
+
+    let dependencies = ["archery", "static_assertions"];
+
+    config.target_rustcflags = Some(rustc_flags("target/debug/deps/", &dependencies));
 
     compiletest::run_tests(&config);
 }