def test_install_python_packages_uses_pip_first(self, command_mock):
installer.detect_pip = Mock()
installer.detect_pip.return_value = "pip"
command_mock.return_value = Mock()
installer.install_python_packages(self.PYTHON_MODULES)
command_mock.assert_called_with(
"pip install --quiet --upgrade --force-reinstall " +
" ".join(self.PYTHON_MODULES),
'Installing python dependencies',
exit_on_failure=True)
def test_install_python_packages_uses_easy_install_when_pip_is_not_available(
self, command_mock):
installer.detect_pip = Mock()
installer.detect_pip.side_effect = CalledProcessError(
cmd="which python-pip", returncode=1)
command_mock.return_value = Mock()
installer.install_python_packages(self.PYTHON_MODULES)
command_mock.assert_called_with("easy_install -U --quiet " +
" ".join(self.PYTHON_MODULES),
"Installing python dependencies",
exit_on_failure=True)