Add test failure with descriptive error message when running tests without a {project} placeholder

2022-11-06 11:02:01 +00:00
parent 2e6cbe2435
commit e4cbe81f3f
6 changed files with 69 additions and 10 deletions
@@ -0,0 +1,14 @@
+# this file is copied to the testing cwd, to raise the below error message if
+# pytest is run from there
+
+
+def test():
+    assert False, (
+        "cibuildwheel executes tests from a different working directory to "
+        "your project. This ensures only your wheel is imported, preventing "
+        "Python from accessing files that haven't been packaged into the "
+        "wheel. Please specify a path to your tests when invoking pytest "
+        "using the {project} placeholder, e.g. `pytest {project}` or "
+        "`pytest {project}/tests`. cibuildwheel will replace {project} with "
+        "the path to your project."
+    )