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How to use test_sqlite_in_memory_used method in pytest-django

Best Python code snippet using pytest-django_python

test_db_setup.py

Source:test_db_setup.py

...189            "ENGINE": "django.db.backends.sqlite3",190            "NAME": "/tmp/should-not-be-used",191        }192    }193    def test_sqlite_in_memory_used(self, django_testdir):194        pytest.importorskip("xdist")195        django_testdir.create_test_module(196            """197            import pytest198            from django.db import connections199            @pytest.mark.django_db200            def test_a():201                (conn, ) = connections.all()202                assert conn.vendor == 'sqlite'203                db_name = conn.creation._get_test_db_name()204                assert 'file:memorydb' in db_name or db_name == ':memory:'205        """206        )207        result = django_testdir.runpytest_subprocess("--tb=short", "-vv", "-n1")208        assert result.ret == 0209        result.stdout.fnmatch_lines(["*PASSED*test_a*"])210class TestSqliteWithMultipleDbsAndXdist:211    db_settings = {212        "default": {213            "ENGINE": "django.db.backends.sqlite3",214            "NAME": "/tmp/should-not-be-used",215        },216        "db2": {217            "ENGINE": "django.db.backends.sqlite3",218            "NAME": "db_name",219            "TEST": {"NAME": "test_custom_db_name"},220        }221    }222    def test_sqlite_database_renamed(self, django_testdir):223        pytest.importorskip("xdist")224        django_testdir.create_test_module(225            """226            import pytest227            from django.db import connections228            @pytest.mark.django_db229            def test_a():230                (conn_db2, conn_default) = sorted(231                    connections.all(),232                    key=lambda conn: conn.alias,233                )234                assert conn_default.vendor == 'sqlite'235                db_name = conn_default.creation._get_test_db_name()236                # can_share_in_memory_db was removed in Django 2.1, and237                # used in _get_test_db_name before.238                if getattr(conn_default.features, "can_share_in_memory_db", True):239                    assert 'file:memorydb' in db_name240                else:241                    assert db_name == ":memory:"242                assert conn_db2.vendor == 'sqlite'243                db_name = conn_db2.creation._get_test_db_name()244                assert db_name.startswith('test_custom_db_name_gw')245        """246        )247        result = django_testdir.runpytest_subprocess("--tb=short", "-vv", "-n1")248        assert result.ret == 0249        result.stdout.fnmatch_lines(["*PASSED*test_a*"])250class TestSqliteWithTox:251    db_settings = {252        "default": {253            "ENGINE": "django.db.backends.sqlite3",254            "NAME": "db_name",255            "TEST": {"NAME": "test_custom_db_name"},256        }257    }258    def test_db_with_tox_suffix(self, django_testdir, monkeypatch):259        "A test to check that Tox DB suffix works when running in parallel."260        monkeypatch.setenv("TOX_PARALLEL_ENV", "py37-django22")261        django_testdir.create_test_module(262            """263            import pytest264            from django.db import connections265            @pytest.mark.django_db266            def test_inner():267                (conn, ) = connections.all()268                assert conn.vendor == 'sqlite'269                db_name = conn.creation._get_test_db_name()270                assert db_name == 'test_custom_db_name_py37-django22'271        """272        )273        result = django_testdir.runpytest_subprocess("--tb=short", "-vv")274        assert result.ret == 0275        result.stdout.fnmatch_lines(["*test_inner*PASSED*"])276    def test_db_with_empty_tox_suffix(self, django_testdir, monkeypatch):277        "A test to check that Tox DB suffix is not used when suffix would be empty."278        monkeypatch.setenv("TOX_PARALLEL_ENV", "")279        django_testdir.create_test_module(280            """281            import pytest282            from django.db import connections283            @pytest.mark.django_db284            def test_inner():285                (conn,) = connections.all()286                assert conn.vendor == 'sqlite'287                db_name = conn.creation._get_test_db_name()288                assert db_name == 'test_custom_db_name'289        """290        )291        result = django_testdir.runpytest_subprocess("--tb=short", "-vv")292        assert result.ret == 0293        result.stdout.fnmatch_lines(["*test_inner*PASSED*"])294class TestSqliteWithToxAndXdist:295    db_settings = {296        "default": {297            "ENGINE": "django.db.backends.sqlite3",298            "NAME": "db_name",299            "TEST": {"NAME": "test_custom_db_name"},300        }301    }302    def test_db_with_tox_suffix(self, django_testdir, monkeypatch):303        "A test to check that both Tox and xdist suffixes work together."304        pytest.importorskip("xdist")305        monkeypatch.setenv("TOX_PARALLEL_ENV", "py37-django22")306        django_testdir.create_test_module(307            """308            import pytest309            from django.db import connections310            @pytest.mark.django_db311            def test_inner():312                (conn, ) = connections.all()313                assert conn.vendor == 'sqlite'314                db_name = conn.creation._get_test_db_name()315                assert db_name.startswith('test_custom_db_name_py37-django22_gw')316        """317        )318        result = django_testdir.runpytest_subprocess("--tb=short", "-vv", "-n1")319        assert result.ret == 0320        result.stdout.fnmatch_lines(["*PASSED*test_inner*"])321class TestSqliteInMemoryWithXdist:322    db_settings = {323        "default": {324            "ENGINE": "django.db.backends.sqlite3",325            "NAME": ":memory:",326            "TEST": {"NAME": ":memory:"},327        }328    }329    def test_sqlite_in_memory_used(self, django_testdir):330        pytest.importorskip("xdist")331        django_testdir.create_test_module(332            """333            import pytest334            from django.db import connections335            @pytest.mark.django_db336            def test_a():337                (conn, ) = connections.all()338                assert conn.vendor == 'sqlite'339                db_name = conn.creation._get_test_db_name()340                assert 'file:memorydb' in db_name or db_name == ':memory:'341        """342        )343        result = django_testdir.runpytest_subprocess("--tb=short", "-vv", "-n1")...

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