feat: merge django 2.2 and django 3.2 branches into 1 branch

.github/workflows/django3.2_tests_against_emulator0.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+name: django3.2-tests0
+jobs:
+  system-tests:
+    runs-on: ubuntu-latest
+
+    services:
+      emulator-0:
+        image: gcr.io/cloud-spanner-emulator/emulator:latest
+        ports:
+          - 9010:9010
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Run Django tests
+        run: sh django_test_suite_3.2.sh
+        env:
+          SPANNER_EMULATOR_HOST: localhost:9010
+          GOOGLE_CLOUD_PROJECT: emulator-test-project
+          GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true
+          RUNNING_SPANNER_BACKEND_TESTS: 1
+          SPANNER_TEST_INSTANCE: google-cloud-django-backend-tests
+          DJANGO_TEST_APPS: admin_changelist admin_ordering aggregation distinct_on_fields expressions_window fixtures_model_package datetimes custom_methods generic_inline_admin field_defaults datatypes empty m2o_recursive many_to_one_null migration_test_data_persistence admin_docs invalid_models_tests migrate_signals model_forms.test_uuid model_forms.test_modelchoicefield syndication_tests view_tests update test_utils select_related_onetoone sessions_tests

.github/workflows/django3.2_tests_against_emulator1.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+name: django3.2-tests1
+jobs:
+  system-tests:
+    runs-on: ubuntu-latest
+
+    services:
+      emulator-0:
+        image: gcr.io/cloud-spanner-emulator/emulator:latest
+        ports:
+          - 9010:9010
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Run Django tests
+        run: sh django_test_suite_3.2.sh
+        env:
+          SPANNER_EMULATOR_HOST: localhost:9010
+          GOOGLE_CLOUD_PROJECT: emulator-test-project
+          GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true
+          RUNNING_SPANNER_BACKEND_TESTS: 1
+          SPANNER_TEST_INSTANCE: google-cloud-django-backend-tests
+          DJANGO_TEST_APPS: db_functions save_delete_hooks get_object_or_404 model_indexes custom_pk indexes transaction_hooks constraints schema custom_columns i18n from_db_value sites_tests mutually_referential model_package defer_regress update_only_fields backends redirects_tests expressions get_or_create foreign_object generic_relations_regress many_to_many select_related generic_relations queryset_pickle model_inheritance

.github/workflows/django3.2_tests_against_emulator2.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+name: django3.2-tests2
+jobs:
+  system-tests:
+    runs-on: ubuntu-latest
+
+    services:
+      emulator-0:
+        image: gcr.io/cloud-spanner-emulator/emulator:latest
+        ports:
+          - 9010:9010
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Run Django tests
+        run: sh django_test_suite_3.2.sh
+        env:
+          SPANNER_EMULATOR_HOST: localhost:9010
+          GOOGLE_CLOUD_PROJECT: emulator-test-project
+          GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true
+          RUNNING_SPANNER_BACKEND_TESTS: 1
+          SPANNER_TEST_INSTANCE: google-cloud-django-backend-tests
+          DJANGO_TEST_APPS: model_options known_related_objects m2m_signals delete_regress fixtures generic_views model_inheritance_regress nested_foreign_keys lookup delete model_formsets

.github/workflows/django3.2_tests_against_emulator3.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+name: django3.2-tests3
+jobs:
+  system-tests:
+    runs-on: ubuntu-latest
+
+    services:
+      emulator-0:
+        image: gcr.io/cloud-spanner-emulator/emulator:latest
+        ports:
+          - 9010:9010
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Run Django tests
+        run: sh django_test_suite_3.2.sh
+        env:
+          SPANNER_EMULATOR_HOST: localhost:9010
+          GOOGLE_CLOUD_PROJECT: emulator-test-project
+          GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true
+          RUNNING_SPANNER_BACKEND_TESTS: 1
+          SPANNER_TEST_INSTANCE: google-cloud-django-backend-tests
+          DJANGO_TEST_APPS: signals or_lookups m2m_through_regress filtered_relation servers m2m_through fixtures_regress timezones model_forms.tests

.github/workflows/django3.2_tests_against_emulator4.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+name: django3.2-tests4
+jobs:
+  system-tests:
+    runs-on: ubuntu-latest
+
+    services:
+      emulator-0:
+        image: gcr.io/cloud-spanner-emulator/emulator:latest
+        ports:
+          - 9010:9010
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Run Django tests
+        run: sh django_test_suite_3.2.sh
+        env:
+          SPANNER_EMULATOR_HOST: localhost:9010
+          GOOGLE_CLOUD_PROJECT: emulator-test-project
+          GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true
+          RUNNING_SPANNER_BACKEND_TESTS: 1
+          SPANNER_TEST_INSTANCE: google-cloud-django-backend-tests
+          DJANGO_TEST_APPS: introspection multiple_database null_fk_ordering ordering m2m_intermediary null_fk max_lengths dates force_insert_update test_client m2m_multiple test_client_regress sitemaps_tests admin_inlines transactions null_queries test_runner m2m_and_m2o prefetch_related m2m_regress file_uploads sites_framework auth_tests forms_tests inline_formsets order_with_respect_to contenttypes_tests defer

.github/workflows/django3.2_tests_against_emulator5.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+name: django3.2-tests5
+jobs:
+  system-tests:
+    runs-on: ubuntu-latest
+
+    services:
+      emulator-0:
+        image: gcr.io/cloud-spanner-emulator/emulator:latest
+        ports:
+          - 9010:9010
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Run Django tests
+        run: sh django_test_suite_3.2.sh
+        env:
+          SPANNER_EMULATOR_HOST: localhost:9010
+          GOOGLE_CLOUD_PROJECT: emulator-test-project
+          GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true
+          RUNNING_SPANNER_BACKEND_TESTS: 1
+          SPANNER_TEST_INSTANCE: google-cloud-django-backend-tests
+          DJANGO_TEST_APPS: file_storage m2m_recursive reverse_lookup managers_regress basic annotations unmanaged_models string_lookup aggregation_regress reserved_names select_for_update many_to_one cache select_related_regress flatpages_tests model_formsets_regress

.github/workflows/django3.2_tests_against_emulator6.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+name: django3.2-tests6
+jobs:
+  system-tests:
+    runs-on: ubuntu-latest
+
+    services:
+      emulator-0:
+        image: gcr.io/cloud-spanner-emulator/emulator:latest
+        ports:
+          - 9010:9010
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Run Django tests
+        run: sh django_test_suite_3.2.sh
+        env:
+          SPANNER_EMULATOR_HOST: localhost:9010
+          GOOGLE_CLOUD_PROJECT: emulator-test-project
+          GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true
+          RUNNING_SPANNER_BACKEND_TESTS: 1
+          SPANNER_TEST_INSTANCE: google-cloud-django-backend-tests
+          DJANGO_TEST_APPS: model_fields queries.test_bulk_update queries.test_explain

.github/workflows/django3.2_tests_against_emulator7.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+name: django3.2-tests7
+jobs:
+  system-tests:
+    runs-on: ubuntu-latest
+
+    services:
+      emulator-0:
+        image: gcr.io/cloud-spanner-emulator/emulator:latest
+        ports:
+          - 9010:9010
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Run Django tests
+        run: sh django_test_suite_3.2.sh
+        env:
+          SPANNER_EMULATOR_HOST: localhost:9010
+          GOOGLE_CLOUD_PROJECT: emulator-test-project
+          GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true
+          RUNNING_SPANNER_BACKEND_TESTS: 1
+          SPANNER_TEST_INSTANCE: google-cloud-django-backend-tests
+          DJANGO_TEST_APPS: queries.test_iterator queries.test_q queries.test_query queries.test_qs_combinators

.github/workflows/django3.2_tests_against_emulator8.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+name: django3.2-tests8
+jobs:
+  system-tests:
+    runs-on: ubuntu-latest
+
+    services:
+      emulator-0:
+        image: gcr.io/cloud-spanner-emulator/emulator:latest
+        ports:
+          - 9010:9010
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Run Django tests
+        run: sh django_test_suite_3.2.sh
+        env:
+          SPANNER_EMULATOR_HOST: localhost:9010
+          GOOGLE_CLOUD_PROJECT: emulator-test-project
+          GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true
+          RUNNING_SPANNER_BACKEND_TESTS: 1
+          SPANNER_TEST_INSTANCE: google-cloud-django-backend-tests
+          DJANGO_TEST_APPS: inspectdb custom_managers migrations validation get_earliest_or_latest proxy_model_inheritance one_to_one raw_query bulk_create

.github/workflows/django3.2_tests_against_emulator9.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+name: django3.2-tests9
+jobs:
+  system-tests:
+    runs-on: ubuntu-latest
+
+    services:
+      emulator-0:
+        image: gcr.io/cloud-spanner-emulator/emulator:latest
+        ports:
+          - 9010:9010
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Run Django tests
+        run: sh django_test_suite_3.2.sh
+        env:
+          SPANNER_EMULATOR_HOST: localhost:9010
+          GOOGLE_CLOUD_PROJECT: emulator-test-project
+          GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true
+          RUNNING_SPANNER_BACKEND_TESTS: 1
+          SPANNER_TEST_INSTANCE: google-cloud-django-backend-tests
+          DJANGO_TEST_APPS: queries.tests

.github/workflows/integration-tests-against-emulator.yml

@@ -7,6 +7,9 @@ name: Run Django Spanner integration tests against emulator
 jobs:
   system-tests:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 3.9]
 
     services:
       emulator:
@@ -18,10 +21,10 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
-      - name: Setup Python
+      - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: ${{ matrix.python-version }}
       - name: Install nox
         run: python -m pip install nox
       - name: Run nox