Switching from nosetests to py.test.

.coveragerc

@@ -1,3 +1,10 @@
+[run]
+branch = True
+
+[report]
+fail_under = 100
+show_missing = True
+
 [report]
 omit =
     */_generated/*.py

.gitignore

@@ -26,7 +26,7 @@ pip-log.txt
 # Unit test / coverage reports
 .coverage
 .tox
-nosetests.xml
+.cache
 
 # Translations
 *.mo

CONTRIBUTING.rst

@@ -118,7 +118,7 @@ Running Tests
 --------------
 
 - To run all tests for ``gcloud-python`` on a single Python version, run
-  ``nosetests`` from your development virtualenv (See
+  ``py.test`` from your development virtualenv (See
   *Using a Development Checkout* above).
 
 - To run the full set of ``gcloud-python`` tests on all platforms, install
@@ -272,11 +272,7 @@ Test Coverage
 -------------
 
 - The codebase *must* have 100% test statement coverage after each commit.
-  You can test coverage via ``tox -e coverage``, or alternately by installing
-  ``nose`` and ``coverage`` into your virtualenv, and running
-  ``setup.py nosetests --with-coverage``.  If you have ``tox`` installed::
-
-   $ tox -e cover
+  You can test coverage via ``tox -e cover``.
 
 Documentation Coverage and Building HTML Documentation
 ------------------------------------------------------

appveyor.yml

@@ -19,32 +19,38 @@ environment:
     - PYTHON: "C:\\Python27"
       PYTHON_VERSION: "2.7.11"
       PYTHON_ARCH: "32"
+      TOX_ENV: "py27"
 
     - PYTHON: "C:\\Python27-x64"
       PYTHON_VERSION: "2.7.11"
       PYTHON_ARCH: "64"
+      TOX_ENV: "py27"
 
     # Python 3.4.4 is the latest Python 3.4 with a Windows installer
     # Python 3.4.4 is the overall latest
     # https://www.python.org/ftp/python/3.4.4/
     - PYTHON: "C:\\Python34"
       PYTHON_VERSION: "3.4.4"
       PYTHON_ARCH: "32"
+      TOX_ENV: "py34"
 
     - PYTHON: "C:\\Python34-x64"
       PYTHON_VERSION: "3.4.4"
       PYTHON_ARCH: "64"
+      TOX_ENV: "py34"
 
     # Python 3.5.1 is the latest Python 3.5 with a Windows installer
     # Python 3.5.1 is the overall latest
     # https://www.python.org/ftp/python/3.5.1/
     - PYTHON: "C:\\Python35"
       PYTHON_VERSION: "3.5.1"
       PYTHON_ARCH: "32"
+      TOX_ENV: "py35"
 
     - PYTHON: "C:\\Python35-x64"
       PYTHON_VERSION: "3.5.1"
       PYTHON_ARCH: "64"
+      TOX_ENV: "py35"
 
 install:
   - ECHO "Filesystem root:"
@@ -83,7 +89,7 @@ build_script:
 test_script:
   - "%CMD_IN_ENV% pip list"
   # Run the project tests
-  - "%CMD_IN_ENV% python setup.py nosetests"
+  - "%CMD_IN_ENV% tox -e %TOX_ENV%"
 
 after_test:
   # If tests are successful, create binary packages for the project.

appveyor/requirements.txt

@@ -3,8 +3,8 @@
 # pip will build them from source using the MSVC compiler matching the
 # target Python version and architecture
 wheel
-nose
-nose-exclude
+pytest
+tox
 cryptography
 grpcio >= 1.0rc1
 grpc-google-pubsub-v1

gcloud/_helpers.py

@@ -57,7 +57,16 @@
     (?P<nanos>\d{1,9})                       # nanoseconds, maybe truncated
     Z                                        # Zulu
 """, re.VERBOSE)
-DEFAULT_CONFIGURATION_PATH = '~/.config/gcloud/configurations/config_default'
+# NOTE: Catching this ImportError is a workaround for GAE not supporting the
+#       "pwd" module which is imported lazily when "expanduser" is called.
+try:
+    _USER_ROOT = os.path.expanduser('~')
+except ImportError:  # pragma: NO COVER
+    _USER_ROOT = None
+_GCLOUD_CONFIG_FILE = os.path.join(
+    'gcloud', 'configurations', 'config_default')
+_GCLOUD_CONFIG_SECTION = 'core'
+_GCLOUD_CONFIG_KEY = 'project'
 
 
 class _LocalStack(Local):
@@ -171,10 +180,10 @@ def _app_engine_id():
 
 
 def _file_project_id():
-    """Gets the project id from the credentials file if one is available.
+    """Gets the project ID from the credentials file if one is available.
 
     :rtype: str or ``NoneType``
-    :returns: Project-ID from JSON credentials file if value exists,
+    :returns: Project ID from JSON credentials file if value exists,
               else ``None``.
     """
     credentials_file_path = os.getenv(CREDENTIALS)
@@ -185,9 +194,37 @@ def _file_project_id():
             return credentials.get('project_id')
 
 
+def _get_nix_config_path():
+    """Get the ``gcloud`` CLI config path on *nix systems.
+
+    :rtype: str
+    :returns: The filename on a *nix system containing the CLI
+              config file.
+    """
+    return os.path.join(_USER_ROOT, '.config', _GCLOUD_CONFIG_FILE)
+
+
+def _get_windows_config_path():
+    """Get the ``gcloud`` CLI config path on Windows systems.
+
+    :rtype: str
+    :returns: The filename on a Windows system containing the CLI
+              config file.
+    """
+    appdata_dir = os.getenv('APPDATA', '')
+    return os.path.join(appdata_dir, _GCLOUD_CONFIG_FILE)
+
+
 def _default_service_project_id():
     """Retrieves the project ID from the gcloud command line tool.
 
+    This assumes the ``.config`` directory is stored
+    - in ~/.config on *nix systems
+    - in the %APPDATA% directory on Windows systems
+
+    Additionally, the ${HOME} / "~" directory may not be present on Google
+    App Engine, so this may be conditionally ignored.
+
     Files that cannot be opened with configparser are silently ignored; this is
     designed so that you can specify a list of potential configuration file
     locations.
@@ -196,21 +233,17 @@ def _default_service_project_id():
     :returns: Project-ID from default configuration file else ``None``
     """
     search_paths = []
-    # Workaround for GAE not supporting pwd which is used by expanduser.
-    try:
-        search_paths.append(os.path.expanduser(DEFAULT_CONFIGURATION_PATH))
-    except ImportError:
-        pass
+    if _USER_ROOT is not None:
+        search_paths.append(_get_nix_config_path())
+
+    if os.name == 'nt':
+        search_paths.append(_get_windows_config_path())
 
-    windows_config_path = os.path.join(os.getenv('APPDATA', ''),
-                                       'gcloud', 'configurations',
-                                       'config_default')
-    search_paths.append(windows_config_path)
     config = configparser.RawConfigParser()
     config.read(search_paths)
 
-    if config.has_section('core'):
-        return config.get('core', 'project')
+    if config.has_section(_GCLOUD_CONFIG_SECTION):
+        return config.get(_GCLOUD_CONFIG_SECTION, _GCLOUD_CONFIG_KEY)
 
 
 def _compute_engine_id():

tox.ini

@@ -4,18 +4,13 @@ envlist =
 
 [testing]
 deps =
-    nose
-    nose-exclude
+    pytest
 covercmd =
-    nosetests \
-      --exclude-dir=system_tests \
-      --with-coverage \
-      --cover-package=gcloud \
-      --cover-package=unit_tests \
-      --cover-erase \
-      --cover-tests \
-      --cover-branches \
-      --nocapture
+    py.test \
+      --cov=gcloud \
+      --cov=unit_tests \
+      --cov-config {toxinidir}/.coveragerc \
+      unit_tests
 
 [grpc]
 deps =
@@ -28,7 +23,7 @@ deps =
 
 [testenv]
 commands =
-    nosetests
+    py.test {posargs} unit_tests
 deps =
     {[testing]deps}
     {[grpc]deps}
@@ -44,16 +39,18 @@ deps =
 basepython =
     python2.7
 commands =
-    {[testing]covercmd} --cover-min-percentage=100
+    {[testing]covercmd}
 deps =
     {[testenv]deps}
     coverage
+    pytest-cov
 
 [testenv:coveralls]
 basepython = {[testenv:cover]basepython}
 commands =
     {[testing]covercmd}
     coveralls
+ignore_errors = True
 deps =
     {[testenv:cover]deps}
     coveralls