Adding gae test session

.travis.yml

@@ -14,7 +14,6 @@ env:
   - PATH=${PATH}:${HOME}/gcloud/google-cloud-sdk/bin
   - GOOGLE_APPLICATION_CREDENTIALS=${TRAVIS_BUILD_DIR}/testing/resources/service-account.json
   - GOOGLE_CLIENT_SECRETS=${TRAVIS_BUILD_DIR}/testing/resources/client-secrets.json
-  - GAE_PYTHONPATH=${HOME}/.cache/google_appengine
   - GAE_ROOT=${HOME}/.cache/
   - secure: Orp9Et2TIwCG/Hf59aa0NUDF1pNcwcS4TFulXX175918cFREOzf/cNZNg+Ui585ZRFjbifZdc858tVuCVd8XlxQPXQgp7bwB7nXs3lby3LYg4+HD83Gaz7KOWxRLWVor6IVn8OxeCzwl6fJkdmffsTTO9csC4yZ7izHr+u7hiO4=
 before_install:

nox.py

@@ -1,11 +1,55 @@
 import fnmatch
 import os
+import tempfile
 
 import nox
 
 REPO_TOOLS_REQ =\
     'git+https://github.com/GoogleCloudPlatform/python-repo-tools.git'
 
+COMMON_PYTEST_ARGS = [
+    '-x', '--no-success-flaky-report', '--cov', '--cov-config',
+    '.coveragerc', '--cov-append', '--cov-report=']
+
+SAMPLES = [
+    'bigquery/api',
+    'blog/introduction_to_data_models_in_cloud_datastore',
+    'cloud_logging/api',
+    'compute/api',
+    'compute/autoscaler/demo',
+    'datastore/api',
+    'managed_vms/cloudsql',
+    'managed_vms/datastore',
+    'managed_vms/disk',
+    'managed_vms/extending_runtime',
+    'managed_vms/hello_world',
+    'managed_vms/hello_world_compat',
+    'managed_vms/memcache',
+    'managed_vms/pubsub',
+    'managed_vms/static_files',
+    'managed_vms/storage',
+    'monitoring/api',
+    'storage/api',
+]
+
+GAE_SAMPLES = [
+    'appengine/app_identity/signing',
+    'appengine/bigquery',
+    'appengine/blobstore',
+    'appengine/cloudsql',
+    'appengine/images',
+    'appengine/localtesting',
+    'appengine/logging/reading_logs',
+    'appengine/logging/writing_logs',
+    'appengine/mailgun',
+    'appengine/memcache/guestbook',
+    'appengine/multitenancy',
+    'appengine/ndb/modeling',
+    'appengine/ndb/overview',
+    'appengine/ndb/transactions',
+    'appengine/storage',
+]
+
 
 def session_lint(session):
     session.install('flake8', 'flake8-import-order')
@@ -36,32 +80,6 @@ def session_reqcheck(session):
         session.run('gcprepotools', command, reqfile)
 
 
-COMMON_PYTEST_ARGS = [
-    '-x', '--no-success-flaky-report', '--cov', '--cov-config',
-    '.coveragerc', '--cov-append', '--cov-report=']
-
-SAMPLES = [
-    'bigquery/api',
-    'blog/introduction_to_data_models_in_cloud_datastore',
-    'cloud_logging/api',
-    'compute/api',
-    'compute/autoscaler/demo',
-    'datastore/api',
-    'managed_vms/cloudsql',
-    'managed_vms/datastore',
-    'managed_vms/disk',
-    'managed_vms/extending_runtime',
-    'managed_vms/hello_world',
-    'managed_vms/hello_world_compat',
-    'managed_vms/memcache',
-    'managed_vms/pubsub',
-    'managed_vms/static_files',
-    'managed_vms/storage',
-    'monitoring/api',
-    'storage/api',
-]
-
-
 @nox.parametrize('interpreter', ['python2.7', 'python3.4'])
 def session_tests(session, interpreter, extra_pytest_args=None):
     session.interpreter = interpreter
@@ -77,7 +95,33 @@ def session_tests(session, interpreter, extra_pytest_args=None):
             success_codes=[0, 5])  # Treat no test collected as success.
 
 
+def session_gae(session, extra_pytest_args=None):
+    session.interpreter = 'python2.7'
+    session.install(REPO_TOOLS_REQ)
+    session.install('-r', 'requirements-python2.7-dev.txt')
+
+    # Install the app engine sdk and setup import paths.
+    gae_root = os.environ.get('GAE_ROOT', tempfile.gettempdir())
+    session.env['PYTHONPATH'] = os.path.join(gae_root, 'google_appengine')
+    session.run('gcprepotools', 'download-appengine-sdk', gae_root)
+
+    # Create a lib directory to prevent the GAE vendor library from
+    # complaining.
+    if not os.path.exists('lib'):
+        os.makedirs('lib')
+
+    pytest_args = COMMON_PYTEST_ARGS + (extra_pytest_args or [])
+
+    for sample in (session.posargs or GAE_SAMPLES):
+        session.run(
+            'py.test', sample,
+            *pytest_args,
+            success_codes=[0, 5])  # Treat no test collected as success.
+
+
 def session_travis(session):
     """On travis, just run with python3.4 and don't run slow or flaky tests."""
     session_tests(
         session, 'python3.4', extra_pytest_args=['-m not slow and not flaky'])
+    session_gae(
+        session, extra_pytest_args=['-m not slow and not flaky'])