ansible/test/TestRunner.py

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# tests are fairly 'live' (but safe to run)
# setup authorized_keys for logged in user such
# that the user can log in as themselves before running tests
import unittest
import getpass
import ansible.runner
import os
import shutil
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import time
import tempfile
from nose.plugins.skip import SkipTest
def get_binary(name):
for directory in os.environ["PATH"].split(os.pathsep):
path = os.path.join(directory, name)
if os.path.isfile(path) and os.access(path, os.X_OK):
return path
return None
class TestRunner(unittest.TestCase):
def setUp(self):
self.user = getpass.getuser()
self.runner = ansible.runner.Runner(
module_name='ping',
module_path='library/',
module_args='',
remote_user=self.user,
remote_pass=None,
host_list='test/ansible_hosts',
timeout=5,
forks=1,
background=0,
pattern='all',
transport='local',
)
self.cwd = os.getcwd()
self.test_dir = os.path.join(self.cwd, 'test')
self.stage_dir = self._prepare_stage_dir()
def _prepare_stage_dir(self):
stage_path = os.path.join(self.test_dir, 'test_data')
if os.path.exists(stage_path):
shutil.rmtree(stage_path, ignore_errors=False)
assert not os.path.exists(stage_path)
os.makedirs(stage_path)
assert os.path.exists(stage_path)
return stage_path
def _get_test_file(self, filename):
# get a file inside the test input directory
filename = os.path.join(self.test_dir, filename)
assert os.path.exists(filename)
return filename
def _get_stage_file(self, filename):
# get a file inside the test output directory
filename = os.path.join(self.stage_dir, filename)
return filename
def _run(self, module_name, module_args, background=0):
''' run a module and get the localhost results '''
self.runner.module_name = module_name
args = ' '.join(module_args)
self.runner.module_args = args
self.runner.background = background
results = self.runner.run()
# when using nosetests this will only show up on failure
# which is pretty useful
print "RESULTS=%s" % results
assert "localhost" in results['contacted']
return results['contacted']['localhost']
def test_ping(self):
result = self._run('ping', [])
assert "ping" in result
def test_facter(self):
if not get_binary("facter"):
raise SkipTest
result = self._run('facter', [])
assert "hostname" in result
# temporarily disbabled since it occasionally hangs
# ohai's fault, setup module doesn't actually run this
# to get ohai's "facts" anyway
#
#def test_ohai(self):
# if not get_binary("facter"):
# raise SkipTest
# result = self._run('ohai',[])
# assert "hostname" in result
def test_copy(self):
# test copy module, change trigger, etc
input_ = self._get_test_file('sample.j2')
output = self._get_stage_file('sample.out')
assert not os.path.exists(output)
result = self._run('copy', [
"src=%s" % input_,
"dest=%s" % output,
])
assert os.path.exists(output)
data_in = file(input_).read()
data_out = file(output).read()
assert data_in == data_out
assert 'failed' not in result
assert result['changed'] is True
assert 'md5sum' in result
result = self._run('copy', [
"src=%s" % input_,
"dest=%s" % output,
])
assert result['changed'] is False
def test_command(self):
# test command module, change trigger, etc
result = self._run('command', ["/bin/echo", "hi"])
assert "failed" not in result
assert "msg" not in result
assert result['rc'] == 0
assert result['stdout'] == 'hi'
assert result['stderr'] == ''
result = self._run('command', ["false"])
assert result['rc'] == 1
assert 'failed' not in result
result = self._run('command', ["/usr/bin/this_does_not_exist", "splat"])
assert 'msg' in result
assert 'failed' in result
result = self._run('shell', ["/bin/echo", "$HOME"])
assert 'failed' not in result
assert result['rc'] == 0
result = self._run('command', ["creates='/tmp/ansible command test'", "chdir=/tmp", "touch", "'ansible command test'"])
assert 'changed' in result
assert result['rc'] == 0
result = self._run('command', ["creates='/tmp/ansible command test'", "false"])
assert 'skipped' in result
result = self._run('shell', ["removes=/tmp/ansible\\ command\\ test", "chdir=/tmp", "rm -f 'ansible command test'; echo $?"])
assert 'changed' in result
assert result['rc'] == 0
assert result['stdout'] == '0'
result = self._run('shell', ["removes=/tmp/ansible\\ command\\ test", "false"])
assert 'skipped' in result
def test_git(self):
self._run('file', ['path=/tmp/gitdemo', 'state=absent'])
self._run('file', ['path=/tmp/gd', 'state=absent'])
self._run('command', ['git init gitdemo', 'chdir=/tmp'])
self._run('command', ['touch a', 'chdir=/tmp/gitdemo'])
self._run('command', ['git add *', 'chdir=/tmp/gitdemo'])
self._run('command', ['git commit -m "test commit 2"', 'chdir=/tmp/gitdemo'])
self._run('command', ['touch b', 'chdir=/tmp/gitdemo'])
self._run('command', ['git add *', 'chdir=/tmp/gitdemo'])
self._run('command', ['git commit -m "test commit 2"', 'chdir=/tmp/gitdemo'])
result = self._run('git', ["repo=\"file:///tmp/gitdemo\"", "dest=/tmp/gd"])
assert result['changed']
# test the force option not set
self._run('file', ['path=/tmp/gd/a', 'state=absent'])
result = self._run('git', ["repo=\"file:///tmp/gitdemo\"", "dest=/tmp/gd", "force=no"])
assert result['failed']
# test the force option when set
result = self._run('git', ["repo=\"file:///tmp/gitdemo\"", "dest=/tmp/gd", "force=yes"])
assert result['changed']
def test_file(self):
filedemo = tempfile.mkstemp()[1]
assert self._run('file', ['dest=' + filedemo, 'state=directory'])['failed']
assert os.path.isfile(filedemo)
assert self._run('file', ['dest=' + filedemo, 'src=/dev/null', 'state=link'])['failed']
assert os.path.isfile(filedemo)
res = self._run('file', ['dest=' + filedemo, 'mode=604', 'state=file'])
print res
assert res['changed']
assert os.path.isfile(filedemo) and os.stat(filedemo).st_mode == 0100604
assert self._run('file', ['dest=' + filedemo, 'state=absent'])['changed']
assert not os.path.exists(filedemo)
assert not self._run('file', ['dest=' + filedemo, 'state=absent'])['changed']
filedemo = tempfile.mkdtemp()
assert self._run('file', ['dest=' + filedemo, 'state=file'])['failed']
assert os.path.isdir(filedemo)
# this used to fail but will now make a 'null' symlink in the directory pointing to dev/null.
# I feel this is ok but don't want to enforce it with a test.
#result = self._run('file', ['dest=' + filedemo, 'src=/dev/null', 'state=link'])
#assert result['failed']
#assert os.path.isdir(filedemo)
assert self._run('file', ['dest=' + filedemo, 'mode=701', 'state=directory'])['changed']
assert os.path.isdir(filedemo) and os.stat(filedemo).st_mode == 040701
assert self._run('file', ['dest=' + filedemo, 'state=absent'])['changed']
assert not os.path.exists(filedemo)
assert not self._run('file', ['dest=' + filedemo, 'state=absent'])['changed']
tmp_dir = tempfile.mkdtemp()
filedemo = os.path.join(tmp_dir, 'link')
os.symlink('/dev/zero', filedemo)
assert self._run('file', ['dest=' + filedemo, 'state=file'])['failed']
assert os.path.islink(filedemo)
assert self._run('file', ['dest=' + filedemo, 'state=directory'])['failed']
assert os.path.islink(filedemo)
assert self._run('file', ['dest=' + filedemo, 'src=/dev/null', 'state=link'])['changed']
assert os.path.islink(filedemo) and os.path.realpath(filedemo) == '/dev/null'
assert self._run('file', ['dest=' + filedemo, 'state=absent'])['changed']
assert not os.path.exists(filedemo)
assert not self._run('file', ['dest=' + filedemo, 'state=absent'])['changed']
os.rmdir(tmp_dir)
def test_large_output(self):
large_path = "/usr/share/dict/words"
if not os.path.exists(large_path):
large_path = "/usr/share/dict/cracklib-small"
if not os.path.exists(large_path):
raise SkipTest
# Ensure reading a large amount of output from a command doesn't hang.
result = self._run('command', ["/bin/cat", large_path])
assert "failed" not in result
assert "msg" not in result
assert result['rc'] == 0
assert len(result['stdout']) > 100000
assert result['stderr'] == ''
def test_async(self):
# test async launch and job status
# of any particular module
result = self._run('command', [get_binary("sleep"), "3"], background=20)
assert 'ansible_job_id' in result
assert 'started' in result
jid = result['ansible_job_id']
# no real chance of this op taking a while, but whatever
time.sleep(5)
# CLI will abstract this (when polling), but this is how it works internally
result = self._run('async_status', ["jid=%s" % jid])
# TODO: would be nice to have tests for supervisory process
# killing job after X seconds
assert 'finished' in result
assert 'failed' not in result
assert 'rc' in result
assert 'stdout' in result
assert result['ansible_job_id'] == jid
def test_fetch(self):
input_ = self._get_test_file('sample.j2')
output = os.path.join(self.stage_dir, 'localhost', input_)
self._run('fetch', ["src=%s" % input_, "dest=%s" % self.stage_dir])
assert os.path.exists(output)
assert open(input_).read() == open(output).read()
def test_assemble(self):
input = self._get_test_file('assemble.d')
output = self._get_stage_file('sample.out')
result = self._run('assemble', [
"src=%s" % input,
"dest=%s" % output,
])
print result
assert os.path.exists(output)
out = file(output).read()
assert out.find("first") != -1
assert out.find("second") != -1
assert out.find("third") != -1
assert result['changed'] is True
assert 'md5sum' in result
assert 'failed' not in result
result = self._run('assemble', [
"src=%s" % input,
"dest=%s" % output,
])
print result
assert result['changed'] is False
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def test_lineinfile(self):
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# Unit tests for the lineinfile module, without backref features.
sampleroot = 'rocannon'
sample_origin = self._get_test_file(sampleroot + '.txt')
sample = self._get_stage_file(sampleroot + '.out' + '.txt')
shutil.copy(sample_origin, sample)
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# The order of the test cases is important
# defaults to insertafter at the end of the file
testline = 'First: Line added by default at the end of the file.'
testcase = ('lineinfile', [
"dest=%s" % sample,
"regexp='^First: '",
"line='%s'" % testline
])
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result = self._run(*testcase)
assert result['changed']
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assert result['msg'] == 'line added'
artifact = [x.strip() for x in open(sample)]
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assert artifact[-1] == testline
assert artifact.count(testline) == 1
# run a second time, verify only one line has been added
result = self._run(*testcase)
assert not result['changed']
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assert result['msg'] == ''
artifact = [x.strip() for x in open(sample)]
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assert artifact.count(testline) == 1
# insertafter with EOF
testline = 'Second: Line added with insertafter=EOF'
testcase = ('lineinfile', [
"dest=%s" % sample,
"insertafter=EOF",
"regexp='^Second: '",
"line='%s'" % testline
])
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result = self._run(*testcase)
assert result['changed']
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assert result['msg'] == 'line added'
artifact = [x.strip() for x in open(sample)]
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assert artifact[-1] == testline
assert artifact.count(testline) == 1
# with invalid insertafter regex
# If the regexp doesn't match and the insertafter doesn't match,
# do nothing.
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testline = 'Third: Line added with an invalid insertafter regex'
testcase = ('lineinfile', [
"dest=%s" % sample,
"insertafter='^abcdefgh'",
"regexp='^Third: '",
"line='%s'" % testline
])
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result = self._run(*testcase)
assert not result['changed']
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# with an insertafter regex
# The regexp doesn't match, but the insertafter is specified and does,
# so insert after insertafter.
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testline = 'Fourth: Line added with a valid insertafter regex'
testcase = ('lineinfile', [
"dest=%s" % sample,
"insertafter='^receive messages to '",
"regexp='^Fourth: '",
"line='%s'" % testline
])
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result = self._run(*testcase)
assert result['changed']
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assert result['msg'] == 'line added'
artifact = [x.strip() for x in open(sample)]
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assert artifact.count(testline) == 1
idx = artifact.index('receive messages to and from a corresponding device over any distance')
assert artifact[idx + 1] == testline
# replacement of a line from a regex
# we replace the line, so we need to get its idx before the run
artifact = [x.strip() for x in open(sample)]
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target_line = 'combination of microphone, speaker, keyboard and display. It can send and'
idx = artifact.index(target_line)
testline = 'Fith: replacement of a line: combination of microphone'
testcase = ('lineinfile', [
"dest=%s" % sample,
"regexp='combination of microphone'",
"line='%s'" % testline
])
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result = self._run(*testcase)
assert result['changed']
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assert result['msg'] == 'line replaced'
artifact = [x.strip() for x in open(sample)]
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assert artifact.count(testline) == 1
assert artifact.index(testline) == idx
assert target_line not in artifact
# removal of a line
# we replace the line, so we need to get its idx before the run
artifact = [x.strip() for x in open(sample)]
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target_line = 'receive messages to and from a corresponding device over any distance'
idx = artifact.index(target_line)
testcase = ('lineinfile', [
"dest=%s" % sample,
"regexp='^receive messages to and from '",
"state=absent"
])
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result = self._run(*testcase)
assert result['changed']
artifact = [x.strip() for x in open(sample)]
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assert target_line not in artifact
# with both insertafter and insertbefore (should fail)
testline = 'Seventh: this line should not be there'
testcase = ('lineinfile', [
"dest=%s" % sample,
"insertafter='BOF'",
"insertbefore='BOF'",
"regexp='^communication. '",
"line='%s'" % testline
])
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result = self._run(*testcase)
assert result['failed']
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# insertbefore with BOF
testline = 'Eighth: insertbefore BOF'
testcase = ('lineinfile', [
"dest=%s" % sample,
"insertbefore=BOF",
"regexp='^Eighth: '",
"line='%s'" % testline
])
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result = self._run(*testcase)
assert result['changed']
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assert result['msg'] == 'line added'
artifact = [x.strip() for x in open(sample)]
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assert artifact.count(testline) == 1
assert artifact[0] == testline
# insertbefore with regex
testline = 'Ninth: insertbefore with a regex'
testcase = ('lineinfile', [
"dest=%s" % sample,
"insertbefore='^communication. Typically '",
"regexp='^Ninth: '",
"line='%s'" % testline
])
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result = self._run(*testcase)
assert result['changed']
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assert result['msg'] == 'line added'
artifact = [x.strip() for x in open(sample)]
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assert artifact.count(testline) == 1
idx = artifact.index('communication. Typically it is depicted as a lunch-box sized object with some')
assert artifact[idx - 1] == testline
# cleanup
os.unlink(sample)
def test_lineinfile_backrefs(self):
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# Unit tests for the lineinfile module, with backref features.
sampleroot = 'rocannon'
sample_origin = self._get_test_file(sampleroot + '.txt')
origin_lines = [line.strip() for line in open(sample_origin)]
sample = self._get_stage_file(sampleroot + '.out' + '.txt')
shutil.copy(sample_origin, sample)
# The order of the test cases is important
# The regexp doesn't match, so the line will not be added anywhere.
testline = r'\\1: Line added by default at the end of the file.'
testcase = ('lineinfile', [
"dest=%s" % sample,
"regexp='^(First): '",
"line='%s'" % testline,
"backrefs=yes",
])
result = self._run(*testcase)
assert not result['changed']
assert result['msg'] == ''
artifact = [x.strip() for x in open(sample)]
assert artifact == origin_lines
# insertafter with EOF
# The regexp doesn't match, so the line will not be added anywhere.
testline = r'\\1: Line added with insertafter=EOF'
testcase = ('lineinfile', [
"dest=%s" % sample,
"insertafter=EOF",
"regexp='^(Second): '",
"line='%s'" % testline,
"backrefs=yes",
])
result = self._run(*testcase)
assert not result['changed']
assert result['msg'] == ''
artifact = [x.strip() for x in open(sample)]
assert artifact == origin_lines
# with invalid insertafter regex
# The regexp doesn't match, so do nothing.
testline = r'\\1: Line added with an invalid insertafter regex'
testcase = ('lineinfile', [
"dest=%s" % sample,
"insertafter='^abcdefgh'",
"regexp='^(Third): '",
"line='%s'" % testline,
"backrefs=yes",
])
result = self._run(*testcase)
assert not result['changed']
assert artifact == origin_lines
# with an insertafter regex
# The regexp doesn't match, so do nothing.
testline = r'\\1: Line added with a valid insertafter regex'
testcase = ('lineinfile', [
"dest=%s" % sample,
"insertafter='^receive messages to '",
"regexp='^(Fourth): '",
"line='%s'" % testline,
"backrefs=yes",
])
result = self._run(*testcase)
assert not result['changed']
assert result['msg'] == ''
assert artifact == origin_lines
# replacement of a line from a regex
# we replace the line, so we need to get its idx before the run
artifact = [x.strip() for x in open(sample)]
target_line = 'combination of microphone, speaker, keyboard and display. It can send and'
idx = artifact.index(target_line)
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testline = r'\\1 of megaphone'
testline_after = 'combination of megaphone'
testcase = ('lineinfile', [
"dest=%s" % sample,
"regexp='(combination) of microphone'",
"line='%s'" % testline,
"backrefs=yes",
])
result = self._run(*testcase)
assert result['changed']
assert result['msg'] == 'line replaced'
artifact = [x.strip() for x in open(sample)]
assert artifact.count(testline_after) == 1
assert artifact.index(testline_after) == idx
assert target_line not in artifact
# Go again, should be unchanged now.
testline = r'\\1 of megaphone'
testline_after = 'combination of megaphone'
testcase = ('lineinfile', [
"dest=%s" % sample,
"regexp='(combination) of megaphone'",
"line='%s'" % testline,
"backrefs=yes",
])
result = self._run(*testcase)
assert not result['changed']
assert result['msg'] == ''
# Try a numeric, named capture group example.
f = open(sample, 'a+')
f.write("1 + 1 = 3" + os.linesep)
f.close()
testline = r"2 + \\g<num> = 3"
testline_after = "2 + 1 = 3"
testcase = ('lineinfile', [
"dest=%s" % sample,
r"regexp='1 \\+ (?P<num>\\d) = 3'",
"line='%s'" % testline,
"backrefs=yes",
])
result = self._run(*testcase)
artifact = [x.strip() for x in open(sample)]
assert result['changed']
assert result['msg'] == 'line replaced'
artifact = [x.strip() for x in open(sample)]
assert '1 + 1 = 3' not in artifact
assert testline_after == artifact[-1]
# with both insertafter and insertbefore (should fail)
testline = 'Seventh: this line should not be there'
testcase = ('lineinfile', [
"dest=%s" % sample,
"insertafter='BOF'",
"insertbefore='BOF'",
"regexp='^communication. '",
"line='%s'" % testline
])
result = self._run(*testcase)
assert result['failed']
os.unlink(sample)