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add test functions around haproxy module_config and reads, to be run …
…with pytest
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Mark Stumpf
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Sep 15, 2017
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#!/usr/bin/env python | ||
import collections | ||
from mock import MagicMock | ||
from mock import Mock | ||
from mock import patch | ||
import sys | ||
import pytest | ||
import csv | ||
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class MockCollectd(MagicMock): | ||
""" | ||
Mocks the functions and objects provided by the collectd module | ||
""" | ||
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@staticmethod | ||
def log(log_str): | ||
print log_str | ||
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debug = log | ||
info = log | ||
warning = log | ||
error = log | ||
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class MockHAProxySocket(object): | ||
def __init__(self, socket_file="whatever"): | ||
self.socket_file = socket_file | ||
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def get_server_info(self): | ||
sample_data = {'ConnRate': '3', 'CumReq': '5', 'idle_pct': '78'} | ||
return sample_data | ||
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def get_server_stats(self): | ||
sample_data = [{'bin': '3120628', 'lastchg': '', 'lbt': '', 'weight': '', | ||
'wretr': '', 'slim': '50', 'pid': '1', 'wredis': '', 'dresp': '0', | ||
'ereq': '0', 'pxname': 'sample_proxy', 'stot': '39728', | ||
'sid': '0', 'bout': '188112702395', 'qlimit': '', 'status': 'OPEN', | ||
'smax': '2', 'dreq': '0', 'econ': '', 'iid': '2', 'chkfail': '', | ||
'downtime': '', 'qcur': '', 'eresp': '', 'throttle': '', 'scur': '0', | ||
'bck': '', 'qmax': '', 'act': '', 'chkdown': '', 'svname': 'FRONTEND'}] | ||
return sample_data | ||
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sys.modules['collectd'] = MockCollectd() | ||
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import haproxy | ||
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ConfigOption = collections.namedtuple('ConfigOption', ('key', 'values')) | ||
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mock_config_default_values = Mock() | ||
mock_config_default_values.children = [ | ||
ConfigOption('Testing', ('True',)) | ||
] | ||
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def test_default_config(): | ||
module_config = haproxy.config(mock_config_default_values) | ||
assert module_config['socket'] == '/var/run/haproxy.sock' | ||
assert not module_config['enhanced_metrics'] | ||
assert module_config['proxy_monitors'] == ['server', 'frontend', 'backend'] | ||
assert module_config['testing'] | ||
assert module_config['excluded_metrics'] == set() | ||
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mock_config_enhanced_metrics_off = Mock() | ||
mock_config_enhanced_metrics_off.children = [ | ||
ConfigOption('Socket', ('/var/run/haproxy.sock',)), | ||
ConfigOption('EnhancedMetrics', ('False',)), | ||
ConfigOption('Testing', ('True',)) | ||
] | ||
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def test_enhanced_metrics_off_config(): | ||
module_config = haproxy.config(mock_config_enhanced_metrics_off) | ||
assert module_config['socket'] == '/var/run/haproxy.sock' | ||
assert not module_config['enhanced_metrics'] | ||
assert module_config['proxy_monitors'] == ['server', 'frontend', 'backend'] | ||
assert module_config['testing'] | ||
assert module_config['excluded_metrics'] == set() | ||
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mock_config_enhanced_metrics_on = Mock() | ||
mock_config_enhanced_metrics_on.children = [ | ||
ConfigOption('Socket', ('/var/run/haproxy.sock',)), | ||
ConfigOption('EnhancedMetrics', ('True',)), | ||
ConfigOption('Testing', ('True',)) | ||
] | ||
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def test_enhanced_metrics_on_config(): | ||
module_config = haproxy.config(mock_config_enhanced_metrics_on) | ||
assert module_config['socket'] == '/var/run/haproxy.sock' | ||
assert module_config['enhanced_metrics'] | ||
assert module_config['proxy_monitors'] == ['server', 'frontend', 'backend'] | ||
assert module_config['testing'] | ||
assert module_config['excluded_metrics'] == set() | ||
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mock_config_exclude_idle_pct = Mock() | ||
mock_config_exclude_idle_pct.children = [ | ||
ConfigOption('Socket', ('/var/run/haproxy.sock',)), | ||
ConfigOption('EnhancedMetrics', ('False',)), | ||
ConfigOption('ExcludeMetric', ('idle_pct',)), | ||
ConfigOption('Testing', ('True',)) | ||
] | ||
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def test_exclude_metrics_config(): | ||
module_config = haproxy.config(mock_config_exclude_idle_pct) | ||
assert module_config['socket'] == '/var/run/haproxy.sock' | ||
assert not module_config['enhanced_metrics'] | ||
assert module_config['proxy_monitors'] == ['server', 'frontend', 'backend'] | ||
assert module_config['testing'] | ||
assert module_config['excluded_metrics'] == set(['idle_pct']) | ||
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mock_config = Mock() | ||
mock_config.children = [ | ||
ConfigOption('Testing', ('True',)) | ||
] | ||
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@patch('haproxy.HAProxySocket', MockHAProxySocket) | ||
def test_read(): | ||
haproxy.collect_metrics(haproxy.config(mock_config)) | ||
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mock_config_exclude_bytes_out = Mock() | ||
mock_config_exclude_bytes_out.children = [ | ||
ConfigOption('ExcludeMetric', ('bytes_out',)), | ||
ConfigOption('Testing', ('True',)) | ||
] | ||
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@patch('haproxy.HAProxySocket', MockHAProxySocket) | ||
def test_exclude_metric(): | ||
haproxy.collect_metrics(haproxy.config(mock_config_exclude_bytes_out)) | ||
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mock_config_enhanced_sample = Mock() | ||
mock_config_enhanced_sample.children = [ | ||
ConfigOption('ProxyMonitor', ('sample_proxy',)), | ||
ConfigOption('EnhancedMetrics', ('True',)), | ||
ConfigOption('Testing', ('True',)) | ||
] | ||
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@patch('haproxy.HAProxySocket', MockHAProxySocket) | ||
def test_enhanced_metrics(): | ||
haproxy.collect_metrics(haproxy.config(mock_config_enhanced_sample)) |