text: # 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.
  
  from __future__ import absolute_import
  
  import os
  
  import nox
  
  
  LOCAL_DEPS = (
      os.path.join('..', 'api_core'),
  )
  
  
  @nox.session
  def default(session):
      """Default unit test session.
  
      This is intended to be run **without** an interpreter set, so
      that the current ``python`` (on the ``PATH``) or the version of
      Python corresponding to the ``nox`` binary the ``PATH`` can
      run the tests.
      """
      # Install all test dependencies, then install this package in-place.
      session.install('mock', 'pytest', 'pytest-cov', *LOCAL_DEPS)
      session.install('-e', '.')
  
      # Run py.test against the unit tests.
      session.run(
          'py.test', '--quiet',
          '--cov=google.cloud.speech_v1',
          '--cov=tests.unit',
          '--cov-append',
          '--cov-config=.coveragerc',
          '--cov-report=',
          '--cov-fail-under=0',
          os.path.join('tests', 'unit'),
      )
  
  
  @nox.session
  @nox.parametrize('py', ['2.7', '3.5', '3.6', '3.7'])
  def unit(session, py):
      """Run the unit test suite."""
  
      # Run unit tests against all supported versions of Python.
      session.interpreter = 'python{}'.format(py)
  
      # Set the virtualenv dirname.
      session.virtualenv_dirname = 'unit-' + py
  
      default(session)
  
  
  @nox.session
  @nox.parametrize('py', ['2.7', '3.6'])
  def system(session, py):
      """Run the system test suite."""
  
      # Sanity check: Only run system tests if the environment variable is set.
      if not os.environ.get('GOOGLE_APPLICATION_CREDENTIALS', ''):
          session.skip('Credentials must be set via environment variable.')
  
      # Run the system tests against latest Python 2 and Python 3 only.
      session.interpreter = 'python{}'.format(py)
  
      # Set the virtualenv dirname.
      session.virtualenv_dirname = 'sys-' + py
  
      # Install all test dependencies, then install this package into the
      # virtualenv's dist-packages.
      session.install('mock', 'pytest', *LOCAL_DEPS)
      session.install('../test_utils/', '../storage/')
      session.install('.')
  
      # Run py.test against the system tests.
      session.run('py.test', '--quiet', os.path.join('tests', 'system'))
  
  
  @nox.session
  def lint(session):
      """Run linters.
  
      Returns a failure if the linters find linting errors or sufficiently
      serious code quality issues.
      """
      session.interpreter = 'python3.6'
      session.install('flake8', *LOCAL_DEPS)
      session.install('.')
      session.run('flake8', 'google', 'tests')
  
  
  @nox.session
  def lint_setup_py(session):
      """Verify that setup.py is valid (including RST check)."""
      session.interpreter = 'python3.6'
  
      # Set the virtualenv dirname.
      session.virtualenv_dirname = 'setup'
  
      session.install('docutils', 'Pygments')
      session.run(
          'python', 'setup.py', 'check', '--restructuredtext', '--strict')
  
  
  @nox.session
  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.chdir(os.path.dirname(__file__))
      session.install('coverage', 'pytest-cov')
      session.run('coverage', 'report', '--show-missing', '--fail-under=100')
      session.run('coverage', 'erase')
  