Simplify fmudesign tests

Author: larsevj

tests/fmudesign/test_config_validation.py

@@ -20,32 +20,23 @@ def test_seed_strategy_defaults_to_joint():
     assert cfg["seed_strategy"] is SeedStrategy.JOINT
 
 
-def test_seed_strategy_is_normalized_to_enum_member():
-    cfg = validate_configuration(_minimal_config(seed_strategy="independent"))
-    assert cfg["seed_strategy"] is SeedStrategy.INDEPENDENT
-    assert cfg["seed_strategy"] == "independent"
-
-
-def test_seed_strategy_invalid_raises():
-    with pytest.raises(ValueError, match="seed_strategy"):
-        validate_configuration(_minimal_config(seed_strategy="bogus"))
+@pytest.mark.parametrize(
+    ("value", "expected"),
+    [
+        ("independent", SeedStrategy.INDEPENDENT),
+        ("Independent", SeedStrategy.INDEPENDENT),
+        ("INDEPENDENT", SeedStrategy.INDEPENDENT),
+        (" independent ", SeedStrategy.INDEPENDENT),
+        (None, SeedStrategy.JOINT),
+        ("None", SeedStrategy.JOINT),
+    ],
+)
+def test_seed_strategy_is_normalized(value, expected):
+    cfg = validate_configuration(_minimal_config(seed_strategy=value))
+    assert cfg["seed_strategy"] is expected
 
 
-@pytest.mark.parametrize("value", [["independent"], {"joint": 1}, 5, 1.5])
-def test_seed_strategy_non_string_raises_value_error(value):
-    """Unsupported types must be rejected as validation errors, not TypeErrors."""
+@pytest.mark.parametrize("value", ["bogus", ["independent"], {"joint": 1}, 5, 1.5])
+def test_invalid_seed_strategy_raises_value_error(value):
     with pytest.raises(ValueError, match="seed_strategy"):
         validate_configuration(_minimal_config(seed_strategy=value))
-
-
-@pytest.mark.parametrize("value", ["Independent", "INDEPENDENT", " independent "])
-def test_seed_strategy_is_case_and_whitespace_insensitive(value):
-    """Excel auto-capitalizes cell text, so 'Independent' must be accepted."""
-    cfg = validate_configuration(_minimal_config(seed_strategy=value))
-    assert cfg["seed_strategy"] is SeedStrategy.INDEPENDENT
-
-
-@pytest.mark.parametrize("value", [None, "None"])
-def test_seed_strategy_none_falls_back_to_joint(value):
-    cfg = validate_configuration(_minimal_config(seed_strategy=value))
-    assert cfg["seed_strategy"] is SeedStrategy.JOINT