Bug 1091643 - Add tests for SQL LIKE escaping of search_term

Test that we are treating the search term literally in the LIKE
statement, and so have correctly escaped any underscores, percent signs
or escape symbols.

tests/etl/test_bugzilla.py

@@ -39,8 +39,8 @@ def test_bz_api_process(mock_extract, refdata):
     refdata.disconnect()
 
     # the number of rows inserted should equal to the number of bugs
-    assert len(row_data) == 12
+    assert len(row_data) == 13
 
     # test that a second ingestion of the same bugs doesn't insert new rows
     process.run()
-    assert len(row_data) == 12
+    assert len(row_data) == 13

tests/model/derived/test_refdata.py

@@ -464,6 +464,18 @@ def test_update_bugscache(refdata, sample_bugs):
         "test_switch_frame.py TestSwitchFrame.test_should_be_able_to_carry_on_working_if_the_frame_is_deleted",
         [1054669, 1078237]
     ),
+    (
+        "should not be match_d",
+        []
+    ),
+    (
+        "should not be match%d",
+        []
+    ),
+    (
+        "should not be matche=d",
+        []
+    ),
 )
 
 

tests/sample_data/bug_list.json

@@ -145,6 +145,18 @@
             "resolution": "",
             "op_sys": "Windows 7",
             "last_change_time": "2014-10-29T20:57:46"
+        },
+        {
+            "status": "NEW",
+            "id": 1,
+            "summary": "This bug should not be matched",
+            "cf_crash_signature": "",
+            "keywords": [
+                "intermittent-failure"
+            ],
+            "resolution": "",
+            "op_sys": "Windows 7",
+            "last_change_time": "2014-10-29T20:57:46"
         }
     ]
 }