validate DAYZ SPEC version

Author: R-Palazzo

sdv/single_table/dayz.py

@@ -173,7 +173,7 @@ def create_parameters(data, metadata, output_filename):
     metadata.validate()
     datas = data if isinstance(data, dict) else {metadata._get_single_table_name(): data}
     metadata.validate_data(datas)
-    parameters = {'DAYZ_SPEC_VERSION': 'V1', 'tables': {}}
+    parameters = {'DAYZ_SPEC_VERSION': DAYZ_SPEC_VERSION, 'tables': {}}
     for table_name, table_data in datas.items():
         parameters['tables'][table_name] = {}
         parameters['tables'][table_name].update(_detect_table_parameters(table_data))
@@ -196,6 +196,13 @@ def _validate_parameter_dict_keys(dayz_parameters):
             f"DayZ parameters contains unexpected key(s): '{unknown_base_keys}'."
         )
 
+    dayz_spec_version = dayz_parameters.get('DAYZ_SPEC_VERSION', DAYZ_SPEC_VERSION)
+    if dayz_spec_version != DAYZ_SPEC_VERSION:
+        raise SynthesizerProcessingError(
+            f"Unsupported DayZ parameter spec version: '{dayz_spec_version}'."
+            f" Supported version is: '{DAYZ_SPEC_VERSION}'."
+        )
+
 
 def _validate_table_parameter_dict_keys(table, table_parameters):
     unknown_table_keys = table_parameters.keys() - TABLE_PARAMETER_KEYS

tests/unit/single_table/test_dayz.py

@@ -183,8 +183,23 @@ def test__validate_parameter_structure(dayz_parameters):
     bad_tables_parameters = {'tables': None}
     bad_tables_parameters_value = {'tables': {'table': None}}
     bad_tables_key = {'tables': {'table': {'invalid_key': None}}}
+    bad_spec_version = {'DAYZ_SPEC_VERSION': 'V2', 'tables': {}}
+    valid_parameters = {
+        'DAYZ_SPEC_VERSION': 'V1',
+        'tables': {
+            'table': {
+                'num_rows': 100,
+                'columns': {
+                    'id': {},
+                    'numerical': {},
+                },
+            }
+        },
+        'relationships': [],
+    }
 
     # Run and Assert
+    _validate_parameter_structure(valid_parameters)
     expected_bad_parameters_type_msg = re.escape(
         'DayZ parameters must be a dictionary of DayZSynthesizer parameters.'
     )
@@ -197,6 +212,12 @@ def test__validate_parameter_structure(dayz_parameters):
     with pytest.raises(SynthesizerProcessingError, match=expected_bad_parameters_key_msg):
         _validate_parameter_structure(bad_parameters_key)
 
+    expected_bad_spec_version_msg = re.escape(
+        "Unsupported DayZ parameter spec version: 'V2'. Supported version is: 'V1'."
+    )
+    with pytest.raises(SynthesizerProcessingError, match=expected_bad_spec_version_msg):
+        _validate_parameter_structure(bad_spec_version)
+
     expected_bad_tables_parameters_msg = re.escape(
         "The 'tables' value in the DayZ parameters must be a dictionary of table parameters."
     )