Created a new flow generator + tests for it.

tests/parsing_utils_test.py

@@ -4,6 +4,7 @@ from bs4 import BeautifulSoup
 
 from core.parsing_utils import (
     ParsingFlow,
+    ParsingFlowGenerator,
     ReferenciaFieldInstructions,
     PrecioFieldInstructions,
     TamanoCategoricoFieldInstructions,
@@ -2725,3 +2726,30 @@ def test_parsing_flow_fails_for_unrelated_html(unrelated_html):
     assert not parsing_flow.all_non_optional_fields_were_found and len(
         parsing_flow.issues
     ) == len(all_instructions)
+
+
+def test_parsing_flow_generator_returns_proper_flows():
+
+    four_instructions_with_params = {
+        ReferenciaFieldInstructions: {},
+        PrecioFieldInstructions: {},
+        TamanoCategoricoFieldInstructions: {},
+        SecondaryFeaturesFieldInstructions: {
+            "field_name": "personal",
+            "search_keyword": "Personal",
+        },
+    }
+
+    parsing_flow_generator = ParsingFlowGenerator(
+        parsing_flow_class=ParsingFlow,
+        instructions_to_attach_with_params=four_instructions_with_params,
+    )
+
+    a_new_parsing_flow = parsing_flow_generator.get_new_flow()
+
+    assert (
+        isinstance(a_new_parsing_flow, ParsingFlow),
+        len(a_new_parsing_flow._instructions) == len(four_instructions_with_params),
+        all([field.found is None for field in a_new_parsing_flow._instructions]),
+        all([field.valid is None for field in a_new_parsing_flow._instructions]),
+    )