From 39ec61a5d3580331a9d38d9f5e25adeacbcd2606 Mon Sep 17 00:00:00 2001
From: Adebisi Adeyemi <84504391+adebisi4145@users.noreply.github.com>
Date: Fri, 18 Oct 2024 08:03:35 +0000
Subject: [PATCH] add negative test for the _is_inchikey method in
 CompoundIdentifier class

---
 test/test_compound_identifier.py | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/test/test_compound_identifier.py b/test/test_compound_identifier.py
index 1fd696fae..5fe293486 100644
--- a/test/test_compound_identifier.py
+++ b/test/test_compound_identifier.py
@@ -13,4 +13,15 @@ def test_is_input_header_positive(compound_identifier, header):
 @pytest.mark.parametrize("header", ["key", "inchiKey", "KEY", "INCHIKEY"])
 def test_is_key_header_positive(compound_identifier, header):
     """Test that valid key headers return True."""
-    assert compound_identifier.is_key_header(header) is True
\ No newline at end of file
+    assert compound_identifier.is_key_header(header) is True
+
+@pytest.mark.parametrize("inchikey", [
+    "BSYNRYMUTXBXSQUHFFFAOYSA",        
+    "BSYNRYMUTXBXSQ-UHFFFAOYSA-XY", 
+    "12345678901234-1234567890-X",
+    "BSYNRYMUTXBXSQ_UHFFFAOYSA-N",
+    "BSYNRYMUTXBXSQ-UHFFFAOYSA"
+])
+def test_is_inchikey_negative(compound_identifier, inchikey):
+    """Test that invalid InChIKeys return False."""
+    assert not compound_identifier._is_inchikey(inchikey)
\ No newline at end of file