[WIP] Add config for test coverage

.coveragerc

@@ -0,0 +1,19 @@
+[run]
+branch = True
+omit = *.nox/*
+       */test_*.py
+       nox.py
+       */setup.py
+
+[report]
+fail_under = 100
+show_missing = True
+exclude_lines =
+    # Re-enable the standard pragma
+    pragma: NO COVER
+    # Ignore debug-only repr
+    def __repr__
+omit = *.nox/*
+       */test_*.py
+       nox.py
+       */setup.py

compatibility_lib/compatibility_lib/__init__.py

@@ -12,9 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-try:
+
+try:  #pragma: NO COVER
     import pkg_resources
     pkg_resources.declare_namespace(__name__)
-except ImportError:
+except ImportError:  #pragma: NO COVER
     import pkgutil
     __path__ = pkgutil.extend_path(__path__, __name__)

compatibility_lib/setup.py

@@ -14,29 +14,25 @@
 
 import setuptools
 
-with open("README.rst", "r") as fh:
-    long_description = fh.read()
-
-
 namespaces = ['compatibility_lib']
 
-
 setuptools.setup(
     name="compatibility_lib",
     version="0.0.1",
     author="Cloud Python",
+    author_email="lyh1228@outlook.com",
     description="A library to get and store the dependency compatibility status"
                 "data to BigQuery.",
-    long_description=long_description,
+    long_description=open('README.rst').read(),
     license="Apache-2.0",
     include_package_data=True,
     url="https://github.com/GoogleCloudPlatform/cloud-opensource-python/tree/master/compatibility_lib",
     packages=setuptools.find_packages(),
     namespace_packages=namespaces,
-    classifiers=(
+    classifiers=[
         "Intended Audience :: Developers",
         "Development Status :: 3 - Alpha",
         "Programming Language :: Python :: 3",
         "License :: OSI Approved :: Apache Software License",
-    ),
+    ],
 )

nox.py

@@ -16,8 +16,6 @@
 
 from __future__ import absolute_import
 
-import os
-
 import nox
 
 LINT_UNIT_DIR = ['compatibility_server', '.']
@@ -57,24 +55,41 @@ def unit(session, py):
     session.run(
         'py.test',
         '--quiet',
+        '--cov={}'.format('compatibility_lib'),
+        '--cov-append',
+        '--cov-config=.coveragerc',
+        '--cov-report=',
+        '--cov-fail-under=97',
         *LINT_UNIT_DIR,
         *session.posargs
     )
 
 
 @nox.session
-def update_dashboard(session):
-    """Build the dashboard."""
-
+def cover(session):
+    """Run the final coverage report.
+    This outputs the coverage report aggregating coverage from the unit
+    test runs (not system test runs), and then erases coverage data.
+    """
     session.interpreter = 'python3.6'
-    session.install('-e', ','.join(LOCAL_DEPS))
-    session.install('-r', 'requirements-test.txt')
-
-    # Set the virtualenv dirname.
-    session.virtualenv_dirname = 'dashboard'
+    session.install('coverage', 'pytest-cov')
+    session.run('coverage', 'report', '--show-missing', '--fail-under=100')
+    session.run('coverage', 'erase')
 
-    session.chdir(os.path.realpath(os.path.dirname(__file__)))
 
-    # Build the dashboard!
-    session.run(
-        'bash', os.path.join('.', 'scripts', 'update_dashboard.sh'))
+# @nox.session
+# def update_dashboard(session):
+#     """Build the dashboard."""
+#
+#     session.interpreter = 'python3.6'
+#     session.install('-e', ','.join(LOCAL_DEPS))
+#     session.install('-r', 'requirements-test.txt')
+#
+#     # Set the virtualenv dirname.
+#     session.virtualenv_dirname = 'dashboard'
+#
+#     session.chdir(os.path.realpath(os.path.dirname(__file__)))
+#
+#     # Build the dashboard!
+#     session.run(
+#         'bash', os.path.join('.', 'scripts', 'update_dashboard.sh'))

requirements-test.txt

@@ -2,4 +2,5 @@ google-cloud-bigquery==1.3.0
 Jinja2==2.10
 mock==2.0.0
 pytest==3.6.1
+pytest-cov==2.5.1
 retrying==1.3.3