chore(ci): run tests on Windows (#82)

* ci: run tests on Windows

* update PATH in shell script

* Add nox to path after install

* update license headers

Author: shubha-rajan

.kokoro/python3.7/windows/common.cfg

@@ -0,0 +1,28 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Get secrets for tests.
+gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/cloud-sql/python-connector"
+
+# Use the trampoline script to run in docker.
+build_file: "cloud-sql-python-connector/.kokoro/tests/run_tests.bat"
+
+
+# Specify which tests to run
+env_vars: {
+    key: "RUN_TESTS_SESSION"
+    value: "test-3.7"
+}

.kokoro/python3.7/windows/continuous.cfg

@@ -0,0 +1,15 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Format: //devtools/kokoro/config/proto/build.proto

.kokoro/python3.7/windows/periodic.cfg

@@ -0,0 +1,15 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Format: //devtools/kokoro/config/proto/build.proto

.kokoro/python3.7/windows/presubmit.cfg

@@ -0,0 +1,15 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Format: //devtools/kokoro/config/proto/build.proto

.kokoro/tests/run_tests.bat

@@ -0,0 +1,2 @@
+
+"C:\Program Files\Git\bin\bash.exe" github/cloud-sql-python-connector/.kokoro/tests/run_tests_windows.sh

.kokoro/tests/run_tests_windows.sh

@@ -0,0 +1,39 @@
+#! /bin/bash
+# Copyright 2020 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDIcd TIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# `-e` enables the script to automatically fail when a command fails
+set -e
+
+# Kokoro setup
+if [ -n "$KOKORO_GFILE_DIR" ]; then
+  # Move into project directory
+  cd github/cloud-sql-python-connector
+  # source secrets
+  source "${KOKORO_GFILE_DIR}/TEST_SECRETS.sh"
+  export GOOGLE_APPLICATION_CREDENTIALS="${KOKORO_GFILE_DIR}/testing-service-account.json"
+fi
+
+# Add python and pip to PATH
+export PATH=/c/python37:/c/python37/scripts:$PATH
+
+# install nox for testing
+pip install --user -q nox
+
+# add nox to path
+export PATH="/c/Users/kbuilder/AppData/Roaming/Python/Python37/Scripts:$PATH"
+
+echo -e "******************** Running tests... ********************\n"
+nox -s "$RUN_TESTS_SESSION"
+echo -e "******************** Tests complete.  ********************\n"