feat: Stage 6 of nox implementation - enabling system tests

.gitignore

@@ -1,16 +1,22 @@
-*.py[co]
+*.py[cod]
 *.sw[op]
 
 # Packages
+*.egg
 *.egg-info
+dist
 build
+eggs
+.eggs
+bin
 MANIFEST
-dist
 django_tests
+__pycache__
 
 # Unit test / coverage reports
 .coverage
 .nox
+.pytest_cache
 
 # JetBrains
 .idea

noxfile.py

@@ -87,6 +87,43 @@ def unit(session):
     default(session)
 
 
+@nox.session(python="3.8")
+def system(session):
+    """Run the system test suite."""
+    system_test_path = os.path.join("tests", "system.py")
+    system_test_folder_path = os.path.join("tests", "system")
+
+    # Sanity check: Only run tests if the environment variable is set.
+    if not os.environ.get("GOOGLE_APPLICATION_CREDENTIALS", ""):
+        session.skip("Credentials must be set via environment variable")
+
+    system_test_exists = os.path.exists(system_test_path)
+    system_test_folder_exists = os.path.exists(system_test_folder_path)
+
+    # Sanity check: only run tests if found.
+    if not system_test_exists and not system_test_folder_exists:
+        session.skip("System tests were not found")
+
+    # Install dependencies, e.g.:
+    # session.install("google-cloud-iam")
+    # Use pre-release gRPC for system tests.
+    # session.install("--pre", "grpcio")
+
+    # Install all test dependencies, then install this package into the
+    # virtualenv's dist-packages.
+    session.install("mock", "pytest")
+    session.install("-e", ".")
+    session.install("-e", "test_utils")
+
+    # Run py.test against the system tests.
+    if system_test_exists:
+        session.run("py.test", "--quiet", system_test_path, *session.posargs)
+    if system_test_folder_exists:
+        session.run(
+            "py.test", "--quiet", system_test_folder_path, *session.posargs
+        )
+
+
 @nox.session(python="3.8")
 def cover(session):
     """Run the final coverage report.

test_utils/credentials.json.enc

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test_utils/scripts/circleci/get_tagged_package.py

@@ -0,0 +1,64 @@
+# Copyright 2016 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.
+
+"""Helper to determine package from tag.
+Get the current package directory corresponding to the Circle Tag.
+"""
+
+from __future__ import print_function
+
+import os
+import re
+import sys
+
+
+TAG_RE = re.compile(r"""
+    ^
+    (?P<pkg>
+        (([a-z]+)[_-])*)  # pkg-name-with-hyphens-or-underscores (empty allowed)
+    ([0-9]+)\.([0-9]+)\.([0-9]+)  # Version x.y.z (x, y, z all ints)
+    $
+""", re.VERBOSE)
+TAG_ENV = 'CIRCLE_TAG'
+ERROR_MSG = '%s env. var. not set' % (TAG_ENV,)
+BAD_TAG_MSG = 'Invalid tag name: %s. Expected pkg-name-x.y.z'
+CIRCLE_CI_SCRIPTS_DIR = os.path.dirname(__file__)
+ROOT_DIR = os.path.realpath(
+    os.path.join(CIRCLE_CI_SCRIPTS_DIR, '..', '..', '..'))
+
+
+def main():
+    """Get the current package directory.
+    Prints the package directory out so callers can consume it.
+    """
+    if TAG_ENV not in os.environ:
+        print(ERROR_MSG, file=sys.stderr)
+        sys.exit(1)
+
+    tag_name = os.environ[TAG_ENV]
+    match = TAG_RE.match(tag_name)
+    if match is None:
+        print(BAD_TAG_MSG % (tag_name,), file=sys.stderr)
+        sys.exit(1)
+
+    pkg_name = match.group('pkg')
+    if pkg_name is None:
+        print(ROOT_DIR)
+    else:
+        pkg_dir = pkg_name.rstrip('-').replace('-', '_')
+        print(os.path.join(ROOT_DIR, pkg_dir))
+
+
+if __name__ == '__main__':
+    main()

test_utils/scripts/circleci/twine_upload.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Copyright 2016 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.
+
+set -ev
+
+# If this is not a CircleCI tag, no-op.
+if [[ -z "$CIRCLE_TAG" ]]; then
+  echo "This is not a release tag. Doing nothing."
+  exit 0
+fi
+
+# H/T: http://stackoverflow.com/a/246128/1068170
+SCRIPT="$(dirname "${BASH_SOURCE[0]}")/get_tagged_package.py"
+# Determine the package directory being deploying on this tag.
+PKG_DIR="$(python ${SCRIPT})"
+
+# Ensure that we have the latest versions of Twine, Wheel, and Setuptools.
+python3 -m pip install --upgrade twine wheel setuptools
+
+# Move into the package, build the distribution and upload.
+cd ${PKG_DIR}
+python3 setup.py sdist bdist_wheel
+twine upload dist/*