Tests for particle diffusion

python/test/fixtures.py

@@ -173,6 +173,19 @@ def dummy_catalogue(repo_path):
     return arbor.load_catalogue(str(cat_path))
 
 
+@_singleton_fixture
+@repo_path()
+def diffusion_catalogue(repo_path):
+    """
+    Fixture that returns an `arbor.catalogue`
+    which contains mechanisms `neuron_with_diffusion`
+    and `synapse_with_diffusion`.
+    """
+    path = repo_path / "test" / "unit" / "diffusion"
+    cat_path = _build_cat("diffusion", path)
+    return arbor.load_catalogue(str(cat_path))
+
+
 @_fixture
 class empty_recipe(arbor.recipe):
     """

python/test/readme.md

@@ -39,6 +39,6 @@ In subfolders `unit`/`unit_distributed`:
 
 ## Naming convention
 
-- modules: `test_xxxs` (ending with `s` since module can consist of multiple classes)
-- class(es): `TestXxxs` (ending with `s` since class can consist of multiple test functions)
+- modules: `test_xxxs` (if applicable use the plural with `s` as modules can comprise multiple classes)
+- class(es): `TestXxxs` (if applicable use the plural with `s` as classes can comprise multiple test functions)
 - functions: `test_yyy`