Replace nose with pytest

.github/CODEOWNERS

@@ -23,8 +23,7 @@
 /corehq/sql_db/ @snopoke @calellowitz
 /corehq/sql_proxy_accessors/ @snopoke
 /corehq/sql_proxy_standby_accessors/ @snopoke
-/corehq/tests/nose.py @millerdev
-/corehq/tests/noseplugins/ @millerdev
+/corehq/tests/ @millerdev
 /corehq/util/couch.py @esoergel
 /corehq/util/couch_helpers.py @millerdev
 /corehq/util/datadog/lockmeter.py @millerdev

.github/workflows/tests.yml

@@ -19,9 +19,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - {TEST: python, NOSE_DIVIDED_WE_RUN: '05'}
-        - {TEST: python, NOSE_DIVIDED_WE_RUN: '6a'}
-        - {TEST: python, NOSE_DIVIDED_WE_RUN: 'bf'}
+        - {TEST: python, DIVIDED_WE_RUN: '05'}
+        - {TEST: python, DIVIDED_WE_RUN: '6a'}
+        - {TEST: python, DIVIDED_WE_RUN: 'bf'}
         - {TEST: python-sharded-and-javascript}
     env:
       DATADOG_API_KEY: ${{ secrets.DATADOG_API_KEY }}
@@ -46,11 +46,11 @@ jobs:
     - name: Run tests
       env:
         TEST: ${{ matrix.TEST }}
-        NOSE_DIVIDED_WE_RUN: ${{ matrix.NOSE_DIVIDED_WE_RUN }}
+        DIVIDED_WE_RUN: ${{ matrix.DIVIDED_WE_RUN }}
         JS_SETUP: yes
         KAFKA_HOSTNAME: kafka
         STRIPE_PRIVATE_KEY: ${{ secrets.STRIPE_PRIVATE_KEY }}
-      run: scripts/docker test --noinput --stop -v --divided-we-run=${{ matrix.NOSE_DIVIDED_WE_RUN }} --divide-depth=1 --with-timing --with-flaky --threshold=10 --max-test-time=29
+      run: scripts/docker test --exitfirst -vv --reusedb=1 --divided-we-run=${{ matrix.DIVIDED_WE_RUN }} --showlocals --max-test-time=29 -p no:cacheprovider
     - name: "Codecov upload"
       env:
         TOKEN: ${{ secrets.CODECOV_TOKEN }}

.pytest.ini

@@ -0,0 +1,49 @@
+[pytest]
+minversion = 8.1
+
+addopts =
+    --strict-markers
+    -pcorehq.tests.pytest_hooks
+    # HQ has its own (incompatible) warnings system
+    -pno:warnings
+markers =
+    es_test: marker for elasticsearch tests
+    sharded: tests to be run against shard databases
+    skip_setup_users: skip user setup in importer tests
+    slow: marks tests as slow (deselect with -m 'not slow')
+
+empty_parameter_set_mark = fail_at_collect
+xfail_strict = true
+
+norecursedirs =
+    .*
+    *.egg
+    artifacts
+    docker
+    git-hooks
+    locale
+    node_modules
+    requirements
+    scripts
+    sharedfiles
+    staticfiles
+
+python_files =
+    test_*.py
+    tests.py
+    */tests/*.py
+
+pythonpath =
+    .
+    corehq/ex-submodules
+    # 'submodules' is for langcodes
+    submodules
+    submodules/commcare-translations
+    submodules/couchdbkit-aggregate
+    submodules/django-digest-src
+    submodules/django-no-exceptions
+    submodules/python-digest
+    submodules/xml2json
+
+required_plugins = pytest-django
+DJANGO_SETTINGS_MODULE = testsettings

DEV_SETUP.md

@@ -1038,8 +1038,8 @@ Or, to drop the current test DB and create a fresh one
 ./manage.py test corehq.apps.app_manager --reusedb=reset
 ```
 
-See `corehq.tests.nose.HqdbContext` ([source](corehq/tests/nose.py)) for full
-description of `REUSE_DB` and `--reusedb`.
+See `corehq.tests.pytest_plugins.reusedb` ([source](corehq/tests/pytest_plugins/reusedb.py))
+for full description of `REUSE_DB` and `--reusedb`.
 
 
 ### Accessing the test shell and database
@@ -1102,21 +1102,21 @@ ignore:unclosed:ResourceWarning'
 Personal whitelist items may also be added in localsettings.py.
 
 
-### Running tests by tag
+### Running tests by marker
 
-You can run all tests with a certain tag as follows:
+You can run all tests with a certain marker as follows:
 
 ```sh
-./manage.py test --attr=tag
+pytest -m MARKER
 ```
 
-Available tags:
+Available markers:
 
 - slow: especially slow tests
 - sharded: tests that should get run on the sharded test runner
 - es_test: Elasticsearch tests
 
-See http://nose.readthedocs.io/en/latest/plugins/attrib.html for more details.
+See https://docs.pytest.org/en/stable/example/markers.html for more details.
 
 
 ### Running on DB tests or Non-DB tests
@@ -1131,7 +1131,7 @@ See http://nose.readthedocs.io/en/latest/plugins/attrib.html for more details.
 
 ### Running only failed tests
 
-See https://github.com/nose-devs/nose/blob/master/nose/plugins/testid.py
+See https://docs.pytest.org/en/stable/how-to/cache.html
 
 
 ## Javascript tests

corehq/README.rst

@@ -48,7 +48,7 @@ tabs
     Menu structure for CommCare HQ.
 tests
     Contains a few tests for high-level functionality like locks, as well as tooling to run tests with
-    `nose <https://nose.readthedocs.io/en/latest/>`_, an extension of ``unittest``.
+    `pytest <https://docs.pytest.org/en/stable/>`_.
 toggles.py
     Toggles allow limiting functionality based on user or domain. Also see ``ex-submodules/toggle`` and ``corehq.apps.toggle_ui``.
 util

corehq/apps/change_feed/tests/test_data_sources.py

@@ -201,7 +201,17 @@ def sms_data():
 
 @sharded
 class DocumentStoreDbTests(TestCase):
-    pass
+
+    def test_couch_document_store(self):
+        # this one is not included with generate_cases below because
+        # get_db() should not be called during test collection
+        _test_document_store(
+            self,
+            CouchDocumentStore,
+            (get_db(), 'domain', 'doc_type'),
+            couch_data,
+            '_id',
+        )
 
 
 def _test_document_store(self, doc_store_cls, doc_store_args, data_context, id_field):
@@ -216,15 +226,14 @@ def _test_document_store(self, doc_store_cls, doc_store_args, data_context, id_f
 
 
 @generate_cases([
-    (CouchDocumentStore, (get_db(), 'domain', 'doc_type'), couch_data, '_id'),
     (CaseDocumentStore, ('domain',), case_data, '_id'),
     (FormDocumentStore, ('domain',), form_data, '_id'),
     (LocationDocumentStore, ('domain',), location_data, 'location_id'),
     (LedgerV2DocumentStore, ('domain',), ledger_data, '_id'),
     (SyncLogDocumentStore, (), synclog_data, '_id'),
     (SMSDocumentStore, (), sms_data, '_id'),
 ], DocumentStoreDbTests)
-def test_documet_store(*args):
+def test_document_store(*args):
     _test_document_store(*args)
 
 

corehq/apps/es/tests/utils.py

@@ -98,7 +98,7 @@ def checkQuery(self, query, expected_json, is_raw_query=False, validate_query=Tr
 @nottest
 def es_test(test=None, requires=None, setup_class=False):
     """Decorator for Elasticsearch tests.
-    The decorator sets the ``es_test`` nose attribute and optionally performs
+    The decorator sets the ``es_test`` pytest marker and optionally performs
     index setup/cleanup before and after the test(s).
 
     :param test: A test class, method, or function -- only used via the

corehq/apps/es/transient_util.py

@@ -88,7 +88,6 @@ def populate_doc_adapter_map():
         from pillowtop.tests.utils import TEST_ES_TYPE, TEST_ES_MAPPING, TEST_ES_INDEX
         add_dynamic_adapter("PillowTop", TEST_ES_INDEX, TEST_ES_TYPE, TEST_ES_MAPPING)
 
-        import corehq.tests.pytest_compat  # noqa: F401 - to be removed after switch to pytest
         from corehq.apps.es.tests.utils import TEST_ES_INFO, TEST_ES_MAPPING
         add_dynamic_adapter("UtilES", TEST_ES_INFO.alias, TEST_ES_INFO.type,
                         TEST_ES_MAPPING)

corehq/ex-submodules/casexml/apps/phone/tests/test_restore_user.py

@@ -1,6 +1,8 @@
 from unittest.mock import Mock, patch
 
+import pytest
 from nose.tools import assert_equal
+from unmagic import use
 
 from corehq.apps.users.models import CommCareUser, DomainMembership, WebUser
 from corehq.apps.users.tests.util import patch_user_data_db_layer
@@ -24,11 +26,12 @@ def test_get_commtrack_location_id():
     assert_equal(loc_id, '1')
 
 
-@patch_user_data_db_layer
-def test_user_types():
-    for user, expected_type in [
-            (WebUser(), 'web'),
-            (CommCareUser(domain=DOMAIN), 'commcare'),
-    ]:
+@pytest.mark.parametrize("user, expected_type", [
+    (WebUser(), 'web'),
+    (CommCareUser(domain=DOMAIN), 'commcare'),
+])
+@use("db")
+def test_user_types(user, expected_type):
+    with patch_user_data_db_layer():
         user_type = user.to_ota_restore_user(DOMAIN).user_session_data['commcare_user_type']
-        yield assert_equal, user_type, expected_type
+        assert_equal(user_type, expected_type)

corehq/ex-submodules/dimagi/utils/tests/test_decorators.py

@@ -1,4 +1,4 @@
-import sys
+import inspect
 from io import StringIO
 from unittest.mock import patch
 
@@ -15,7 +15,8 @@ def test_profile_decorator():
     def func(arg):
         args.append(arg)
 
-    with patch.object(sys.stderr, "write", output.write):
+    sys_stderr = inspect.signature(profile).parameters["stream"].default
+    with patch.object(sys_stderr, "write", output.write):
         func(1)
     eq(args, [1])
     eq(output.getvalue(), Regex(r"test_decorators.py:\d+\(func\)"))