120 lines
3.7 KiB
Python
120 lines
3.7 KiB
Python
"""
|
|
Tests covering the Open edX Paver prequisites installation workflow
|
|
"""
|
|
|
|
import os
|
|
import unittest
|
|
|
|
from mock import patch
|
|
from paver.easy import BuildFailure
|
|
|
|
from pavelib.paver_tests.utils import PaverTestCase, fail_on_npm_install, unexpected_fail_on_npm_install
|
|
import pavelib.prereqs
|
|
|
|
|
|
class TestPaverPrereqInstall(unittest.TestCase):
|
|
"""
|
|
Test the status of the NO_PREREQ_INSTALL variable, its presence and how
|
|
paver handles it.
|
|
"""
|
|
def check_val(self, set_val, expected_val):
|
|
"""
|
|
Verify that setting the variable to a certain value returns
|
|
the expected boolean for it.
|
|
|
|
As environment variables are only stored as strings, we have to cast
|
|
whatever it's set at to a boolean that does not violate expectations.
|
|
"""
|
|
_orig_environ = dict(os.environ)
|
|
os.environ['NO_PREREQ_INSTALL'] = set_val
|
|
self.assertEqual(
|
|
pavelib.prereqs.no_prereq_install(),
|
|
expected_val,
|
|
u'NO_PREREQ_INSTALL is set to {}, but we read it as {}'.format(
|
|
set_val, expected_val),
|
|
)
|
|
|
|
# Reset Environment back to original state
|
|
os.environ.clear()
|
|
os.environ.update(_orig_environ)
|
|
|
|
def test_no_prereq_install_true_lowercase(self):
|
|
"""
|
|
Ensure that 'true' will be True.
|
|
"""
|
|
self.check_val('true', True)
|
|
|
|
def test_no_prereq_install_false_lowercase(self):
|
|
"""
|
|
Ensure that 'false' will be False.
|
|
"""
|
|
self.check_val('false', False)
|
|
|
|
def test_no_prereq_install_true(self):
|
|
"""
|
|
Ensure that 'True' will be True.
|
|
"""
|
|
self.check_val('True', True)
|
|
|
|
def test_no_prereq_install_false(self):
|
|
"""
|
|
Ensure that 'False' will be False.
|
|
"""
|
|
self.check_val('False', False)
|
|
|
|
def test_no_prereq_install_0(self):
|
|
"""
|
|
Ensure that '0' will be False.
|
|
"""
|
|
self.check_val('0', False)
|
|
|
|
def test_no_prereq_install_1(self):
|
|
"""
|
|
Ensure that '1' will be True.
|
|
"""
|
|
self.check_val('1', True)
|
|
|
|
|
|
class TestPaverNodeInstall(PaverTestCase):
|
|
"""
|
|
Test node install logic
|
|
"""
|
|
|
|
def setUp(self):
|
|
super(TestPaverNodeInstall, self).setUp()
|
|
|
|
# Ensure prereqs will be run
|
|
os.environ['NO_PREREQ_INSTALL'] = 'false'
|
|
|
|
def test_npm_install_with_subprocess_error(self):
|
|
"""
|
|
An exit with subprocess exit 1 is what paver receives when there is
|
|
an npm install error ("cb() never called!"). Test that we can handle
|
|
this kind of failure. For more info see TE-1767.
|
|
"""
|
|
with patch('subprocess.Popen') as _mock_popen:
|
|
_mock_popen.side_effect = fail_on_npm_install
|
|
with self.assertRaises(BuildFailure):
|
|
pavelib.prereqs.node_prereqs_installation()
|
|
# npm install will be called twice
|
|
self.assertEquals(_mock_popen.call_count, 2)
|
|
|
|
def test_npm_install_called_once_when_successful(self):
|
|
"""
|
|
Vanilla npm install should only be calling npm install one time
|
|
"""
|
|
with patch('subprocess.Popen') as _mock_popen:
|
|
pavelib.prereqs.node_prereqs_installation()
|
|
# when there's no failure, npm install is only called once
|
|
self.assertEquals(_mock_popen.call_count, 1)
|
|
|
|
def test_npm_install_with_unexpected_subprocess_error(self):
|
|
"""
|
|
If there's some other error, only call npm install once, and raise a failure
|
|
"""
|
|
with patch('subprocess.Popen') as _mock_popen:
|
|
_mock_popen.side_effect = unexpected_fail_on_npm_install
|
|
with self.assertRaises(BuildFailure):
|
|
pavelib.prereqs.node_prereqs_installation()
|
|
self.assertEquals(_mock_popen.call_count, 1)
|