Unit testing code cleanup

CHANGELOG.md

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Generalizes the alias functions (e.g. `lineintegral`) to also accept `Domain`s.
 - Updated docstrings to improve clarity and consistency.
+- Improved unit testing for `AutoEnzyme` support.
 
 
 ## [0.16.3] - 2025-06-26

ext/MeshIntegralsEnzymeExt.jl

@@ -21,8 +21,8 @@ MeshIntegrals.supports_autoenzyme(::Type{<:Meshes.Geometry}) = true
 MeshIntegrals.supports_autoenzyme(::Type{<:Meshes.Domain}) = true
 # except for those that throw errors (see GitHub Issue #154)
 MeshIntegrals.supports_autoenzyme(::Type{<:Meshes.BezierCurve}) = false
-MeshIntegrals.supports_autoenzyme(::Type{<:Meshes.CylinderSurface}) = false
 MeshIntegrals.supports_autoenzyme(::Type{<:Meshes.Cylinder}) = false
+MeshIntegrals.supports_autoenzyme(::Type{<:Meshes.CylinderSurface}) = false
 MeshIntegrals.supports_autoenzyme(::Type{<:Meshes.ParametrizedCurve}) = false
 
 end

test/utils.jl

@@ -26,25 +26,33 @@ end
 end
 
 @testitem "Differentiation (EnzymeExt loaded)" setup=[Utils] begin
-    # supports_autoenzyme(::Type{<:Any})
-    @test MeshIntegrals.supports_autoenzyme(Nothing) == false
-
-    # _default_diff_method -- using type or instance, Enzyme-supported combination
+    # supports_autoenzyme & _default_diff_method
+    # Nominal usage: Enzyme-supported geometry and FP type
     let sphere = Sphere(Point(0, 0, 0), 1.0)
         @test _default_diff_method(Meshes.Sphere, Float64) isa AutoEnzyme
         @test _default_diff_method(sphere, Float64) isa AutoEnzyme
     end
-
-    # _default_diff_method -- Enzyme-unsupported FP types
+    # supports_autoenzyme(::Type{<:Any}) for CI completeness
+    @test MeshIntegrals.supports_autoenzyme(Nothing) == false
+    # BezierCurve: blocked by upstream Meshes-Enzyme incompatibility
+    let curve = BezierCurve([Point(t, 0) for t in range(-π, π, length = 361)])
+        @test_throws "proven readonly" jacobian(curve, (0.5,), AutoEnzyme())
+        @test _default_diff_method(Meshes.BezierCurve, Float64) isa FiniteDifference
+    end
+    # Cylinder: blocked by version-dependent upstream Meshes-Enzyme incompatibility
+    let cyl = Cylinder(Point(0, 0, 0), Point(0, 0, 1), 2.0)
+        @test _default_diff_method(Meshes.Cylinder, Float64) isa FiniteDifference
+    end
+    # CylinderSurface: blocked by version-dependent upstream Meshes-Enzyme incompatibility
+    let cylsurf = CylinderSurface(Point(0, 0, 0), Point(0, 0, 1), 2.0)
+        @test _default_diff_method(Meshes.CylinderSurface, Float64) isa FiniteDifference
+    end
+    # ParametrizedCurve: no default AD since user-defined functions
+    @test _default_diff_method(Meshes.ParametrizedCurve, Float64) isa FiniteDifference
+    # Non-Float64: other FP types not supported by Enzyme
     @test _default_diff_method(Meshes.Sphere, Float16) isa FiniteDifference
     @test _default_diff_method(Meshes.Sphere, BigFloat) isa FiniteDifference
 
-    # _default_diff_method -- geometries that currently error with AutoEnzyme
-    @test _default_diff_method(Meshes.BezierCurve, Float64) isa FiniteDifference
-    @test _default_diff_method(Meshes.CylinderSurface, Float64) isa FiniteDifference
-    @test _default_diff_method(Meshes.Cylinder, Float64) isa FiniteDifference
-    @test _default_diff_method(Meshes.ParametrizedCurve, Float64) isa FiniteDifference
-
     # FiniteDifference
     @test FiniteDifference().ε ≈ 1e-6