def test_db_reuse(django_testdir): """ Test the re-use db functionality. This test requires a PostgreSQL server to be available and the environment variables PG_HOST, PG_DB, PG_USER to be defined. """ skip_if_sqlite_in_memory() django_testdir.create_test_module(''' import pytest from .app.models import Item @pytest.mark.django_db def test_db_can_be_accessed(): assert Item.objects.count() == 0 ''') # Use --create-db on the first run to make sure we are not just re-using a # database from another test run drop_database() assert not db_exists() # Do not pass in --create-db to make sure it is created when it # does not exist result_first = django_testdir.runpytest_subprocess('-v', '--reuse-db') assert result_first.ret == 0 result_first.stdout.fnmatch_lines([ "*test_db_can_be_accessed PASSED*", ]) assert not mark_exists() mark_database() assert mark_exists() result_second = django_testdir.runpytest_subprocess('-v', '--reuse-db') assert result_second.ret == 0 result_second.stdout.fnmatch_lines([ "*test_db_can_be_accessed PASSED*", ]) # Make sure the database has not been re-created assert mark_exists() result_third = django_testdir.runpytest_subprocess('-v', '--reuse-db', '--create-db') assert result_third.ret == 0 result_third.stdout.fnmatch_lines([ "*test_db_can_be_accessed PASSED*", ]) # Make sure the database has been re-created and the mark is gone assert not mark_exists()
def test_db_reuse(django_testdir): """ Test the re-use db functionality. This test requires a PostgreSQL server to be available and the environment variables PG_HOST, PG_DB, PG_USER to be defined. """ skip_if_sqlite_in_memory() django_testdir.create_test_module(''' import pytest from .app.models import Item @pytest.mark.django_db def test_db_can_be_accessed(): assert Item.objects.count() == 0 ''') # Use --create-db on the first run to make sure we are not just re-using a # database from another test run drop_database() assert not db_exists() # Do not pass in --create-db to make sure it is created when it # does not exist result_first = django_testdir.runpytest_subprocess('-v', '--reuse-db') assert result_first.ret == 0 result_first.stdout.fnmatch_lines([ "*test_db_can_be_accessed PASSED*", ]) assert not mark_exists() mark_database() assert mark_exists() result_second = django_testdir.runpytest_subprocess('-v', '--reuse-db') assert result_second.ret == 0 result_second.stdout.fnmatch_lines([ "*test_db_can_be_accessed PASSED*", ]) # Make sure the database has not been re-created assert mark_exists() result_third = django_testdir.runpytest_subprocess('-v', '--reuse-db', '--create-db') assert result_third.ret == 0 result_third.stdout.fnmatch_lines([ "*test_db_can_be_accessed PASSED*", ]) # Make sure the database has been re-created and the mark is gone assert not mark_exists()
def test_db_reuse(django_testdir): """ Test the re-use db functionality. """ skip_if_sqlite_in_memory() django_testdir.create_test_module( """ import pytest from .app.models import Item @pytest.mark.django_db def test_db_can_be_accessed(): assert Item.objects.count() == 0 """ ) # Use --create-db on the first run to make sure we are not just re-using a # database from another test run drop_database() assert not db_exists() # Do not pass in --create-db to make sure it is created when it # does not exist result_first = django_testdir.runpytest_subprocess("-v", "--reuse-db") assert result_first.ret == 0 result_first.stdout.fnmatch_lines(["*test_db_can_be_accessed PASSED*"]) assert not mark_exists() mark_database() assert mark_exists() result_second = django_testdir.runpytest_subprocess("-v", "--reuse-db") assert result_second.ret == 0 result_second.stdout.fnmatch_lines(["*test_db_can_be_accessed PASSED*"]) # Make sure the database has not been re-created assert mark_exists() result_third = django_testdir.runpytest_subprocess( "-v", "--reuse-db", "--create-db" ) assert result_third.ret == 0 result_third.stdout.fnmatch_lines(["*test_db_can_be_accessed PASSED*"]) # Make sure the database has been re-created and the mark is gone assert db_exists() assert not mark_exists()