test(complete): Demonstrate current behavior

Author: mernen

clap_complete/tests/testsuite/bash.rs

@@ -380,3 +380,20 @@ fn complete_dynamic_empty_option_value() {
     let actual = runtime.complete(input, &term).unwrap();
     assert_data_eq!(actual, expected);
 }
+
+#[test]
+#[cfg(all(unix, feature = "unstable-dynamic"))]
+#[cfg(feature = "unstable-shell-tests")]
+fn complete_dynamic_dir_trailing_space() {
+    if !common::has_command(CMD) {
+        return;
+    }
+
+    let term = completest::Term::new();
+    let mut runtime = common::load_runtime::<RuntimeBuilder>("dynamic-env", "exhaustive");
+
+    let input = "exhaustive hint --file test\t";
+    let expected = snapbox::str!["exhaustive hint --file test     % exhaustive hint --file tests/ "];
+    let actual = runtime.complete(input, &term).unwrap();
+    assert_data_eq!(actual, expected);
+}