fix(server/pypika/filter): Fix "notmatches" operator for backends usi…

…ng REGEXP

closes TCTC-3808

Signed-off-by: Luka Peschke <luka.peschke@toucantoco.com>

server/src/weaverbird/backends/pypika_translator/translators/base.py

@@ -954,7 +954,7 @@ def _get_single_condition_criterion(
                 elif condition.operator == "notmatches":
                     match self.REGEXP_OP:
                         case RegexOp.REGEXP:
-                            return column_field.regexp(condition.value).negate()
+                            return column_field.regexp(compliant_regex).negate()
                         case RegexOp.SIMILAR_TO:
                             return BasicCriterion(
                                 RegexpMatching.not_similar_to,

server/tests/backends/fixtures/filter/notmatches_pypika.yaml

@@ -0,0 +1,30 @@
+exclude:
+- mongo
+- pandas
+- snowflake
+step:
+  pipeline:
+  - condition:
+      column: name
+      operator: notmatches
+      value: beer
+    name: filter
+  - columns:
+    - name
+    name: select
+expected:
+  data:
+  - name: Ninkasi Ploploplop
+  - name: Brewdog Nanny State Alcoholvrij
+  - name: Ardwen Blonde
+  - name: "Cuv\xE9e des Trolls"
+  - name: Weihenstephan Hefe Weizen Alcoholarm
+  - name: Bellfield Lawless Village IPA
+  - name: Pauwel Kwak
+  - name: Brasserie De Sutter Brin de Folie
+  - name: Brugse Zot blonde
+  schema:
+    fields:
+    - name: name
+      type: string
+    pandas_version: 1.4.0

server/tests/backends/sql_translator_unit_tests/test_filter_translators.py

@@ -177,7 +177,7 @@ def test_notmatches_regexp_filter(
     ctx = regexp_translator.filter(step=step, columns=selected_columns, **default_step_kwargs)
     expected_query = (
         Query.from_(previous_step)
-        .where(Field(column).regexp(regex).negate())
+        .where(Field(column).regexp(f"%{regex}%").negate())
         .select(*selected_columns)
     )
 
@@ -358,7 +358,7 @@ def test_notmatches_regexp__like_filter(
     ctx = regexp_translator.filter(step=step, columns=selected_columns, **default_step_kwargs)
     expected_query = (
         Query.from_(previous_step)
-        .where(Field(column).regexp(regex).negate())
+        .where(Field(column).regexp(f"%{regex}%").negate())
         .select(*selected_columns)
     )
 
@@ -417,7 +417,7 @@ def test_notmatches_regexp__contains_filter(
     ctx = regexp_translator.filter(step=step, columns=selected_columns, **default_step_kwargs)
     expected_query = (
         Query.from_(previous_step)
-        .where(Field(column).regexp(regex).negate())
+        .where(Field(column).regexp(f"%{regex}%").negate())
         .select(*selected_columns)
     )