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executable file
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import collections
import json
import pytest
import consul.base
CB = consul.base.CB
Response = consul.base.Response
Request = collections.namedtuple(
'Request', ['method', 'path', 'params', 'data'])
class HTTPClient(object):
def __init__(self, host=None, port=None, scheme=None,
verify=True, cert=None):
pass
def get(self, callback, path, params=None):
return Request('get', path, params, None)
def put(self, callback, path, params=None, data=''):
return Request('put', path, params, data)
def delete(self, callback, path, params=None):
return Request('delete', path, params, None)
class Consul(consul.base.Consul):
def connect(self, host, port, scheme, verify=True, cert=None):
return HTTPClient(host, port, scheme, verify=verify, cert=None)
def _should_support(c):
return (
# kv
lambda **kw: c.kv.get('foo', **kw),
# catalog
c.catalog.nodes,
c.catalog.services,
lambda **kw: c.catalog.node('foo', **kw),
lambda **kw: c.catalog.service('foo', **kw),
# session
c.session.list,
lambda **kw: c.session.info('foo', **kw),
lambda **kw: c.session.node('foo', **kw),
)
def _should_support_node_meta(c):
return (
# catalog
c.catalog.nodes,
c.catalog.services,
lambda **kw: c.catalog.service('foo', **kw),
lambda **kw: c.catalog.register('foo', 'bar', **kw),
# health
lambda **kw: c.health.service('foo', **kw),
lambda **kw: c.health.checks('foo', **kw),
lambda **kw: c.health.state('unknown', **kw),
)
def _should_support_meta(c):
return (
# agent
lambda **kw: c.agent.service.register('foo', **kw),
lambda **kw: c.agent.service.register('foo', 'bar', **kw),
)
class TestIndex(object):
"""
Tests read requests that should support blocking on an index
"""
def test_index(self):
c = Consul()
for r in _should_support(c):
assert r().params == []
assert r(index='5').params == [('index', '5')]
class TestConsistency(object):
"""
Tests read requests that should support consistency modes
"""
def test_explict(self):
c = Consul()
for r in _should_support(c):
assert r().params == []
assert r(consistency='default').params == []
assert r(consistency='consistent').params == [('consistent', '1')]
assert r(consistency='stale').params == [('stale', '1')]
def test_implicit(self):
c = Consul(consistency='consistent')
for r in _should_support(c):
assert r().params == [('consistent', '1')]
assert r(consistency='default').params == []
assert r(consistency='consistent').params == [('consistent', '1')]
assert r(consistency='stale').params == [('stale', '1')]
class TestNodemeta(object):
"""
Tests read requests that should support node_meta
"""
def test_node_meta(self):
c = Consul()
for r in _should_support_node_meta(c):
assert r().params == []
assert sorted(r(node_meta={'env': 'prod', 'net': 1}).params) == \
sorted([('node-meta', 'net:1'), ('node-meta', 'env:prod')])
class TestMeta(object):
"""
Tests read requests that should support meta
"""
def test_meta(self):
c = Consul()
for r in _should_support_meta(c):
d = json.loads(r(meta={'env': 'prod', 'net': 1}).data)
assert sorted(d['meta']) == sorted({'env': 'prod', 'net': 1})
class TestCB(object):
def test_status_200_passes(self):
response = consul.base.Response(200, None, None)
CB._status(response)
@pytest.mark.parametrize(
'response, expected_exception',
[
(Response(400, None, None), consul.base.BadRequest),
(Response(401, None, None), consul.base.ACLDisabled),
(Response(403, None, None), consul.base.ACLPermissionDenied),
])
def test_status_4xx_raises_error(self, response, expected_exception):
with pytest.raises(expected_exception):
CB._status(response)
def test_status_404_allow_404(self):
response = Response(404, None, None)
CB._status(response, allow_404=True)
def test_status_404_dont_allow_404(self):
response = Response(404, None, None)
with pytest.raises(consul.base.NotFound):
CB._status(response, allow_404=False)
def test_status_405_raises_generic_ClientError(self):
response = Response(405, None, None)
with pytest.raises(consul.base.ClientError):
CB._status(response)
@pytest.mark.parametrize(
'response',
[
Response(500, None, None),
Response(599, None, None),
])
def test_status_5xx_raises_error(self, response):
with pytest.raises(consul.base.ConsulException):
CB._status(response)
class TestChecks(object):
"""
Check constructor helpers return valid check configurations.
"""
@pytest.mark.parametrize(
'url, interval, timeout, deregister, header, want', [
('http://example.com', '10s', None, None, None, {
'http': 'http://example.com',
'interval': '10s',
}),
('http://example.com', '10s', '1s', None, None, {
'http': 'http://example.com',
'interval': '10s',
'timeout': '1s',
}),
('http://example.com', '10s', None, '1m', None, {
'http': 'http://example.com',
'interval': '10s',
'DeregisterCriticalServiceAfter': '1m',
}),
('http://example.com', '10s', '1s', '1m', None, {
'http': 'http://example.com',
'interval': '10s',
'timeout': '1s',
'DeregisterCriticalServiceAfter': '1m',
}),
('http://example.com', '10s', '1s', '1m',
{'X-Test-Header': ['TestHeaderValue']},
{
'http': 'http://example.com',
'interval': '10s',
'timeout': '1s',
'DeregisterCriticalServiceAfter': '1m',
'header': {'X-Test-Header': ['TestHeaderValue']}
}
),
])
def test_http_check(self, url, interval, timeout, deregister, header,
want):
ch = consul.base.Check.http(url, interval, timeout=timeout,
deregister=deregister, header=header)
assert ch == want
@pytest.mark.parametrize(
'host, port, interval, timeout, deregister, want',
[
('localhost', 1234, '10s', None, None, {
'tcp': 'localhost:1234',
'interval': '10s',
}),
('localhost', 1234, '10s', '1s', None, {
'tcp': 'localhost:1234',
'interval': '10s',
'timeout': '1s',
}),
('localhost', 1234, '10s', None, '1m', {
'tcp': 'localhost:1234',
'interval': '10s',
'DeregisterCriticalServiceAfter': '1m',
}),
('localhost', 1234, '10s', '1s', '1m', {
'tcp': 'localhost:1234',
'interval': '10s',
'timeout': '1s',
'DeregisterCriticalServiceAfter': '1m',
}),
])
def test_tcp_check(self, host, port, interval, timeout, deregister, want):
ch = consul.base.Check.tcp(host, port, interval, timeout=timeout,
deregister=deregister)
assert ch == want
@pytest.mark.parametrize(
'container_id, shell, script, interval, deregister, want',
[
('wandering_bose', '/bin/sh', '/bin/true', '10s', None, {
'docker_container_id': 'wandering_bose',
'shell': '/bin/sh',
'script': '/bin/true',
'interval': '10s',
}),
('wandering_bose', '/bin/sh', '/bin/true', '10s', '1m', {
'docker_container_id': 'wandering_bose',
'shell': '/bin/sh',
'script': '/bin/true',
'interval': '10s',
'DeregisterCriticalServiceAfter': '1m',
}),
])
def test_docker_check(self, container_id, shell, script, interval,
deregister, want):
ch = consul.base.Check.docker(container_id, shell, script, interval,
deregister=deregister)
assert ch == want
def test_ttl_check(self):
ch = consul.base.Check.ttl('1m')
assert ch == {'ttl': '1m'}