[python.test|boundaryinfo] add some simple tests

python/test/grid_boundary_info.py

+# ~~~
+# This file is part of the dune-xt project:
+#   https://github.com/dune-community/dune-xt
+# Copyright 2009-2018 dune-xt developers and contributors. All rights reserved.
+# License: Dual licensed as BSD 2-Clause License (http://opensource.org/licenses/BSD-2-Clause)
+#      or  GPL-2.0+ (http://opensource.org/licenses/gpl-license)
+#          with "runtime exception" (http://www.dune-project.org/license.html)
+# Authors:
+#   René Fritze    (2018 - 2019)
+#   Tobias Leibner (2018 - 2019)
+# ~~~
+
+import pytest
+
+
+def test_types():
+    from dune.xt.grid import (
+            NoBoundary,
+            UnknownBoundary,
+            DirichletBoundary,
+            NeumannBoundary,
+            RobinBoundary,
+            ReflectingBoundary,
+            AbsorbingBoundary,
+            InflowBoundary,
+            OutflowBoundary,
+            InflowOutflowBoundary,
+            ImpermeableBoundary,
+            )
+    NoBoundary()
+    UnknownBoundary()
+    DirichletBoundary()
+    NeumannBoundary()
+    RobinBoundary()
+    ReflectingBoundary()
+    AbsorbingBoundary()
+    InflowBoundary()
+    OutflowBoundary()
+    InflowOutflowBoundary()
+    ImpermeableBoundary()
+
+
+def test_initless_boundary_infos():
+    from dune.xt.grid import (
+            AllDirichletBoundaryInfo,
+            AllNeumannBoundaryInfo,
+            AllReflectingBoundaryInfo,
+            )
+    from dune.xt.grid import make_cube_grid
+    from grid_provider_cube import init_args as grid_init_args
+    for args in grid_init_args:
+        grid = make_cube_grid(*args)
+        AllDirichletBoundaryInfo(grid)
+        AllNeumannBoundaryInfo(grid)
+        AllReflectingBoundaryInfo(grid)
+
+
+def test_normalbased_boundary_inf():
+    from dune.xt.grid import NormalBaseBoundaryInfo
+    from dune.xt.grid import make_cube_grid, NoBoundary
+    from grid_provider_cube import init_args as grid_init_args
+    for args in grid_init_args:
+        grid = make_cube_grid(*args)
+        NormalBaseBoundaryInfo(
+                grid_provider=grid,
+                default_boundary_type=NoBoundary(),
+                tolerance=1e-10,
+                logging_prefix='')
+        NormalBaseBoundaryInfo(
+                grid_provider=grid,
+                default_boundary_type=NoBoundary(),
+                tolerance=1e-10)
+        NormalBaseBoundaryInfo(
+                grid_provider=grid,
+                default_boundary_type=NoBoundary())