commitbee 0.6.0

diff --git a/tests/validator.rs b/tests/validator.rs
new file mode 100644
index 0000000..abc1234
--- /dev/null
+++ b/tests/validator.rs
@@ -0,0 +1,30 @@
+use myproject::services::validator::CommitValidator;
+
+#[test]
+fn test_valid_subject_passes() {
+    let validator = CommitValidator::new(72);
+    assert!(validator.validate_subject("feat: add new parser").is_ok());
+}
+
+#[test]
+fn test_empty_subject_passes() {
+    let validator = CommitValidator::new(72);
+    assert!(validator.validate_subject("").is_ok());
+}
+
+#[test]
+fn test_subject_at_limit_passes() {
+    let validator = CommitValidator::new(10);
+    assert!(validator.validate_subject("1234567890").is_ok());
+}
+
+#[test]
+fn test_subject_over_limit_fails() {
+    let validator = CommitValidator::new(10);
+    assert!(validator.validate_subject("12345678901").is_err());
+}
+
+#[test]
+fn test_unicode_subject_counts_bytes() {
+    let validator = CommitValidator::new(5);
+    assert!(validator.validate_subject("abcde").is_ok());
+}