verify undocumented allure_test cases do not emit blank descriptions (via #17)

Author: baev

crates/allure-cargotest/tests/e2e.rs

@@ -45,7 +45,7 @@ impl Drop for TempProjectDir {
 #[allure_cargotest::log_asserts]
 fn generates_allure_results_for_descriptions_sample() {
     allure::description(
-        "Verifies the description sample emits explicit descriptions, doc comment descriptions, and doc comment opt-outs.",
+        "Verifies the description sample emits explicit descriptions, doc comment descriptions, missing-doc omissions, and doc comment opt-outs.",
     );
     let (results, _, _project_dir) = run_sample("descriptions", true);
     let result = results
@@ -74,6 +74,14 @@ fn generates_allure_results_for_descriptions_sample() {
     );
     assert_eq!(json_string(result, "descriptionHtml"), None);
 
+    let result = results
+        .get("leaves_description_absent_without_doc_comment")
+        .expect("missing leaves_description_absent_without_doc_comment result");
+    assert_has_allure_result_fields(result);
+    assert_eq!(json_string(result, "status"), Some("passed"));
+    assert_eq!(json_string(result, "description"), None);
+    assert_eq!(json_string(result, "descriptionHtml"), None);
+
     let result = results
         .get("skips_doc_comment_description")
         .expect("missing skips_doc_comment_description result");

smokes/allure-cargotest/Cargo.lock

@@ -2,6 +2,7 @@ attachments::writes_attachment
 concurrent_metadata::metadata_for_first_test_stays_isolated
 concurrent_metadata::metadata_for_second_test_stays_isolated
 default_and_global_labels::writes_default_and_global_labels
+descriptions::leaves_description_absent_without_doc_comment
 descriptions::skips_doc_comment_description
 descriptions::uses_doc_comment_as_description
 descriptions::writes_descriptions

smokes/allure-cargotest/expected-fullnames.txt

@@ -15,6 +15,12 @@ fn uses_doc_comment_as_description() {
     allure.log_step("doc comment description was applied by the macro");
 }
 
+#[allure_test]
+#[test]
+fn leaves_description_absent_without_doc_comment() {
+    allure.log_step("no doc comment description was added by the macro");
+}
+
 /// skipped doc comment description
 #[allure_test(doc = false)]
 #[test]