Use pytest conftest.py and drop pytest.ini

Let's replace some ugly hacks with proper pytest conftest.py hooks.
Test initialization of ipalib.api is now handled in
pytest_cmdline_main(). Pytest plugins, markers and ignores are also
moved into conftest.py. Additional guards make it possible to run tests
without ipaserver installed.

I added confcutdir to ensure that pytest does not leave our project
space. Pytest used pytest.ini or setup.py before but pytest.ini is gone.

Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Milan Kubik <mkubik@redhat.com>

Makefile.am

@@ -37,8 +37,7 @@ EXTRA_DIST = .mailmap \
 	     doc \
 	     freeipa.spec.in \
 	     ipasetup.py.in \
-	     pylintrc \
-	     pytest.ini
+	     pylintrc
 
 clean-local:
 	rm -rf "$(RPMBUILD)"

ipalib/__init__.py

@@ -949,10 +949,3 @@ def create_api(mode='dummy'):
     return api
 
 api = create_api(mode=None)
-
-if os.environ.get('IPA_UNIT_TEST_MODE', None) == 'cli_test':
-    from ipalib.cli import cli_plugins
-    api.bootstrap(context='cli', in_server=False, in_tree=True, fallback=False)
-    for klass in cli_plugins:
-        api.add_plugin(klass)
-    api.finalize()

ipatests/conftest.py

@@ -0,0 +1,76 @@
+#
+# Copyright (C) 2016  FreeIPA Contributors see COPYING for license
+#
+from __future__ import print_function
+
+from ipalib import api
+from ipalib.cli import cli_plugins
+try:
+    import ipaserver
+except ImportError:
+    ipaserver = None
+
+
+pytest_plugins = [
+    'ipatests.pytest_plugins.additional_config',
+    'ipatests.pytest_plugins.beakerlib',
+    'ipatests.pytest_plugins.declarative',
+    'ipatests.pytest_plugins.nose_compat',
+]
+# The integration plugin is not available in client-only builds.
+if ipaserver is not None:
+    pytest_plugins.append('ipatests.pytest_plugins.integration')
+
+
+MARKERS = [
+    'tier0: basic unit tests and critical functionality',
+    'tier1: functional API tests',
+    'cs_acceptance: Acceptance test suite for Dogtag Certificate Server',
+    'ds_acceptance: Acceptance test suite for 389 Directory Server',
+]
+
+
+NO_RECURSE_DIRS = [
+    # build directories
+    'ipaclient/build',
+    'ipalib/build',
+    'ipaplatform/build',
+    'ipapython/build',
+    'ipaserver/build',
+    'ipatests/build',
+    # install/share/wsgi.py
+    'install/share'
+]
+
+
+def pytest_configure(config):
+    # add pytest markers
+    for marker in MARKERS:
+        config.addinivalue_line('markers', marker)
+
+    # do not recurse into build directories or install/share directory.
+    for norecursedir in NO_RECURSE_DIRS:
+        config.addinivalue_line('norecursedirs', norecursedir)
+
+    # load test classes with these prefixes.
+    # addinivalue_line() adds duplicated entries.
+    python_classes = config.getini('python_classes')
+    for value in ['test_', 'Test']:
+        if value not in python_classes:
+            python_classes.append(value)
+
+    # set default JUnit prefix
+    if config.option.junitprefix is None:
+        config.option.junitprefix = 'ipa'
+
+    # always run doc tests
+    config.option.doctestmodules = True
+
+
+def pytest_cmdline_main(config):
+    api.bootstrap(
+        context=u'cli', in_server=False, in_tree=True, fallback=False
+    )
+    for klass in cli_plugins:
+        api.add_plugin(klass)
+    api.finalize()

ipatests/ipa-run-tests

@@ -34,12 +34,15 @@ import pytest
 
 import ipatests
 
-# This must be set so ipalib.api gets initialized property for tests:
-os.environ['IPA_UNIT_TEST_MODE'] = 'cli_test'
-
 # This is set to store --with-xunit report in an accessible place:
 os.environ['IPATEST_XUNIT_PATH'] = os.path.join(os.getcwd(), 'nosetests.xml')
 
-os.chdir(os.path.dirname(ipatests.__file__))
+HERE = os.path.dirname(os.path.abspath(ipatests.__file__))
 
-sys.exit(pytest.main(sys.argv[1:]))
+args = sys.argv[1:]
+if not any('--confcutdir' in arg for arg in args):
+    args.insert(0, '--confcutdir={}'.format(HERE))
+
+os.chdir(HERE)
+
+sys.exit(pytest.main(args))

ipatests/pytest.ini

@@ -1,23 +0,0 @@
-# pytest configuration
-
-# This file lives in ipatests/pytest.ini, so it can be included by setup.py,
-# and it's symlinked from the project's root directory, so py.test finds it
-# when called with no arguments.
-
-[pytest]
-python_classes = test_ Test
-addopts = --doctest-modules
-          --junit-prefix ipa
-          -p ipatests.pytest_plugins.nose_compat
-          -p ipatests.pytest_plugins.declarative
-          -p ipatests.pytest_plugins.integration
-          -p ipatests.pytest_plugins.beakerlib
-          -p ipatests.pytest_plugins.additional_config
-            # Ignore files for doc tests.
-            # TODO: ideally, these should all use __name__=='__main__' guards
-          --ignore=install/share/wsgi.py
-markers =
-    tier0: basic unit tests and critical functionality
-    tier1: functional API tests
-    cs_acceptance: Acceptance test suite for Dogtag Certificate Server
-    ds_acceptance: Acceptance test suite for 389 Directory Server

ipatests/setup.py

@@ -49,7 +49,6 @@ if __name__ == '__main__':
         ],
         scripts=['ipa-run-tests', 'ipa-test-config', 'ipa-test-task'],
         package_data={
-            'ipatests': ['pytest.ini'],
             'ipatests.test_install': ['*.update'],
             'ipatests.test_integration': ['scripts/*'],
             'ipatests.test_ipalib': ['data/*'],

make-test

@@ -1,4 +1,6 @@
-#! /bin/bash
-
+#!/bin/bash
 set -ex
-IPA_UNIT_TEST_MODE=cli_test PYTHONPATH=.:$PYTHONPATH py.test "$@"
+
+SCRIPTDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+PYTHONPATH=$SCRIPTDIR:$PYTHONPATH py.test --confcutdir="$SCRIPTDIR" "$@"

pytest.ini

@@ -1 +0,0 @@
-ipatests/pytest.ini