Fix #176

rstest_reuse/src/lib.rs

@@ -357,6 +357,7 @@ pub fn template(_args: proc_macro::TokenStream, input: proc_macro::TokenStream)
                         }
                     }
         }
+        #[allow(unused_imports)]
         pub(crate) use #macro_name as #macro_name;
     });
     tokens.into()

rstest_reuse/tests/acceptance.rs

@@ -1,7 +1,10 @@
-use rstest_test::{assert_not_in, sanitize_name, testname, Project, Stringable, TestResults};
+use rstest_test::{
+    assert_in, assert_not_in, sanitize_name, testname, Project, Stringable, TestResults,
+};
 
 use lazy_static::lazy_static;
 
+use rstest::rstest;
 use std::path::{Path, PathBuf};
 use temp_testdir::TempDir;
 
@@ -50,13 +53,22 @@ fn use_before_define() {
         .assert(output);
 }
 
-#[test]
-fn not_show_any_warning() {
-    let (output, _) = run_test("simple_example.rs");
+#[rstest]
+#[case::simple("simple_example.rs")]
+#[case::export_not_used("export_not_used.rs")]
+fn not_show_any_warning(#[case] path: &str) {
+    let (output, _) = run_test(path);
 
     assert_not_in!(output.stderr.str(), "warning:");
 }
 
+#[test]
+fn should_show_warning_if_not_used_template() {
+    let (output, _) = run_test("not_used.rs");
+
+    assert_in!(output.stderr.str(), "warning:");
+}
+
 #[test]
 fn in_mod() {
     let (output, _) = run_test("in_mod.rs");

rstest_reuse/tests/resources/export_not_used.rs

@@ -0,0 +1,9 @@
+mod foo {
+    use rstest_reuse::template;
+
+    #[template]
+    #[export]
+    #[rstest]
+    #[case("bar")]
+    fn not_used(#[case] s: &str) {}
+}

rstest_reuse/tests/resources/not_used.rs

@@ -0,0 +1,8 @@
+mod foo {
+    use rstest_reuse::template;
+
+    #[template]
+    #[rstest]
+    #[case("bar")]
+    fn not_used(#[case] s: &str) {}
+}