Run tests using pytest

debian/changelog

@@ -2,6 +2,7 @@ zope.interface (5.5.2-1) UNRELEASED; urgency=medium
 
   * New upstream release.
   * d/rules: Simplify, removing manual calls to setup.py.
+  * Run tests using pytest.
 
  -- Colin Watson <cjwatson@debian.org>  Sat, 10 Dec 2022 14:30:03 +0000
 

debian/conftest.py

+# Work around difficulties with pre-PEP-420 namespace packages: the .pth
+# files from build-dependencies are loaded during site initialization,
+# adding the system "zope" package directory to sys.path, but we want to
+# ensure that subpackages of zope can be imported both from our
+# build-dependencies and from this package while running tests.
+
+import os.path
+
+import zope
+
+zope.__path__[:0] = [os.path.join(os.path.dirname(__file__), "zope")]

debian/control

@@ -8,6 +8,7 @@ Build-Depends: debhelper-compat (= 13),
                libpython3-all-dev,
                python3-all-dev:any,
                python3-coverage (>= 5.0.3),
+               python3-pytest,
                python3-setuptools,
                python3-zope.event,
                python3-zope.testing

debian/pybuild.testfiles

+debian/conftest.py

debian/rules

 #!/usr/bin/make -f
 
 export PYBUILD_NAME=zope.interface
+export PYBUILD_TEST_PYTEST=1
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 #export PYBUILD_VERBOSE=1
 #export DH_VERBOSE=1