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import copy
from .. import helpers
from six.moves import filterfalse
from cloudinit.filters import launch_index
from cloudinit import user_data as ud
from cloudinit import util
def count_messages(root):
am = 0
for m in root.walk():
if ud.is_skippable(m):
continue
am += 1
return am
class TestLaunchFilter(helpers.ResourceUsingTestCase):
def assertCounts(self, message, expected_counts):
orig_message = copy.deepcopy(message)
for (index, count) in expected_counts.items():
index = util.safe_int(index)
filtered_message = launch_index.Filter(index).apply(message)
self.assertEqual(count_messages(filtered_message), count)
# Ensure original message still ok/not modified
self.assertTrue(self.equivalentMessage(message, orig_message))
def equivalentMessage(self, msg1, msg2):
msg1_count = count_messages(msg1)
msg2_count = count_messages(msg2)
if msg1_count != msg2_count:
return False
# Do some basic payload checking
msg1_msgs = [m for m in msg1.walk()]
msg1_msgs = [m for m in filterfalse(ud.is_skippable, msg1_msgs)]
msg2_msgs = [m for m in msg2.walk()]
msg2_msgs = [m for m in filterfalse(ud.is_skippable, msg2_msgs)]
for i in range(0, len(msg2_msgs)):
m1_msg = msg1_msgs[i]
m2_msg = msg2_msgs[i]
if m1_msg.get_charset() != m2_msg.get_charset():
return False
if m1_msg.is_multipart() != m2_msg.is_multipart():
return False
m1_py = m1_msg.get_payload(decode=True)
m2_py = m2_msg.get_payload(decode=True)
if m1_py != m2_py:
return False
return True
def testMultiEmailIndex(self):
test_data = self.readResource('filter_cloud_multipart_2.email')
ud_proc = ud.UserDataProcessor(self.getCloudPaths())
message = ud_proc.process(test_data)
self.assertTrue(count_messages(message) > 0)
# This file should have the following
# indexes -> amount mapping in it
expected_counts = {
3: 1,
2: 2,
None: 3,
-1: 0,
}
self.assertCounts(message, expected_counts)
def testHeaderEmailIndex(self):
test_data = self.readResource('filter_cloud_multipart_header.email')
ud_proc = ud.UserDataProcessor(self.getCloudPaths())
message = ud_proc.process(test_data)
self.assertTrue(count_messages(message) > 0)
# This file should have the following
# indexes -> amount mapping in it
expected_counts = {
5: 1,
-1: 0,
'c': 1,
None: 1,
}
self.assertCounts(message, expected_counts)
def testConfigEmailIndex(self):
test_data = self.readResource('filter_cloud_multipart_1.email')
ud_proc = ud.UserDataProcessor(self.getCloudPaths())
message = ud_proc.process(test_data)
self.assertTrue(count_messages(message) > 0)
# This file should have the following
# indexes -> amount mapping in it
expected_counts = {
2: 1,
-1: 0,
None: 1,
}
self.assertCounts(message, expected_counts)
def testNoneIndex(self):
test_data = self.readResource('filter_cloud_multipart.yaml')
ud_proc = ud.UserDataProcessor(self.getCloudPaths())
message = ud_proc.process(test_data)
start_count = count_messages(message)
self.assertTrue(start_count > 0)
filtered_message = launch_index.Filter(None).apply(message)
self.assertTrue(self.equivalentMessage(message, filtered_message))
def testIndexes(self):
test_data = self.readResource('filter_cloud_multipart.yaml')
ud_proc = ud.UserDataProcessor(self.getCloudPaths())
message = ud_proc.process(test_data)
start_count = count_messages(message)
self.assertTrue(start_count > 0)
# This file should have the following
# indexes -> amount mapping in it
expected_counts = {
2: 2,
3: 2,
1: 2,
0: 1,
4: 1,
7: 0,
-1: 0,
100: 0,
# None should just give all back
None: start_count,
# Non ints should be ignored
'c': start_count,
# Strings should be converted
'1': 2,
}
self.assertCounts(message, expected_counts)
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