update the tests for the typed mixed builder

Author: satwiksps

tests/npe_nle_builder_integration_test.py

@@ -13,7 +13,6 @@
 from sbi.neural_nets.estimators import MixedDensityEstimator
 from sbi.neural_nets.estimators.tabpfn_flow import TabPFNFlow
 from sbi.neural_nets.net_builders.estimator_configs import (
-    _MIXED_CONTINUOUS_CONFIGS,
     MAFConfig,
     MDNConfig,
     MixedConfig,
@@ -155,17 +154,6 @@ def test_mixed_rejects_a_continuous_model_it_cannot_build(continuous):
         MixedConfig(continuous=continuous)
 
 
-def test_mixed_continuous_configs_match_the_build_functions():
-    """Guard against drift between the allowed set and `mixed_nets`."""
-    from sbi.neural_nets.net_builders.estimator_configs import _DENSITY_CONFIGS
-    from sbi.neural_nets.net_builders.mixed_nets import model_builders
-
-    assert (
-        frozenset(_DENSITY_CONFIGS[name] for name in model_builders)
-        == _MIXED_CONTINUOUS_CONFIGS
-    )
-
-
 def test_mixed_requires_explicit_auxiliary_widths_for_per_transform_widths():
     """Fallback widths require the continuous config to hold one integer."""
     with pytest.raises(ValueError, match="hidden_features"):
@@ -231,22 +219,15 @@ def test_mixed_default_keeps_the_previous_continuous_net():
     The mixed build function overrode the spline tail bound with its own value,
     so the default continuous config has to carry that rather than `NSFConfig`'s.
     """
-    import inspect
-
-    from sbi.neural_nets.net_builders.mixed_nets import (
-        _build_mixed_density_estimator,
-    )
-
-    params = inspect.signature(_build_mixed_density_estimator).parameters
     continuous = MixedConfig().continuous
 
     assert isinstance(continuous, NSFConfig)
-    assert continuous.z_score_input == params["z_score_x"].default
-    assert continuous.tail_bound == params["tail_bound"].default
-    assert continuous.hidden_features == params["hidden_features"].default
-    assert continuous.num_transforms == params["num_transforms"].default
-    assert continuous.num_bins == params["num_bins"].default
-    assert MixedConfig().dropout_probability == params["dropout_probability"].default
+    assert continuous.z_score_input == "independent"
+    assert continuous.tail_bound == 10.0
+    assert continuous.hidden_features == 50
+    assert continuous.num_transforms == 5
+    assert continuous.num_bins == 10
+    assert MixedConfig().dropout_probability == 0.0
 
 
 @pytest.mark.parametrize(

tests/sbiutils_test.py

@@ -483,9 +483,6 @@ def test_z_scoring_structured(z_x, z_theta, build_fn):
             model_x = x
 
         implements_transform = model.startswith("zuko") or model == "mdn"
-        # `mnle` has no config yet, so it keeps the lenient factory path where
-        # an unusable setting is forwarded and ignored downstream.
-        legacy = model == "mnle"
 
         # The factories reject a setting the chosen model does not use, so only
         # the ones this model has are passed.
@@ -500,14 +497,12 @@ def test_z_scoring_structured(z_x, z_theta, build_fn):
             if model not in ("mdn", "made"):
                 kwargs["num_transforms"] = 1
             # `x_dist` is read only by the unconstrained transform.
-            if modeled_z == "transform_to_unconstrained" and (
-                implements_transform or legacy
-            ):
+            if modeled_z == "transform_to_unconstrained" and implements_transform:
                 kwargs["x_dist"] = dist
 
         unsupported = (
             modeled_z == "transform_to_unconstrained" and not implements_transform
-        ) or (condition_z == "transform_to_unconstrained" and not legacy)
+        ) or condition_z == "transform_to_unconstrained"
         if unsupported:
             with pytest.raises(ValueError, match="transform_to_unconstrained"):
                 build_fun = build_fn(**kwargs)