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test_metrics.py
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test_metrics.py
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import os.path
from graphite_api._vendor import whisper
from . import TestCase, WHISPER_DIR
class MetricsTests(TestCase):
def _create_dbs(self):
for db in (
('test', 'foo.wsp'),
('test', 'wat', 'welp.wsp'),
('test', 'bar', 'baz.wsp'),
):
db_path = os.path.join(WHISPER_DIR, *db)
os.makedirs(os.path.dirname(db_path))
whisper.create(db_path, [(1, 60)])
def test_find(self):
url = '/metrics/find'
response = self.app.get(url)
self.assertEqual(response.status_code, 400)
response = self.app.get(url, query_string={'query': 'test'})
self.assertJSON(response, [])
response = self.app.get(url, query_string={'query': 'test',
'format': 'completer'})
self.assertJSON(response, {'metrics': []})
self._create_dbs()
for _url in ['/metrics/find', '/metrics']:
response = self.app.get(_url, query_string={'query': 'test.*',
'format': 'treejson'})
self.assertJSON(response, [{
'allowChildren': 1,
'expandable': 1,
'id': 'test.bar',
'leaf': 0,
'text': 'bar',
}, {
'allowChildren': 1,
'expandable': 1,
'id': 'test.wat',
'leaf': 0,
'text': 'wat',
}, {
'allowChildren': 0,
'expandable': 0,
'id': 'test.foo',
'leaf': 1,
'text': 'foo',
}])
response = self.app.get(url, query_string={'query': 'test.*',
'format': 'treejson',
'wildcards': 1})
self.assertJSON(response, [{
'text': '*',
'expandable': 1,
'leaf': 0,
'id': 'test.*',
'allowChildren': 1,
}, {
'allowChildren': 1,
'expandable': 1,
'id': 'test.bar',
'leaf': 0,
'text': 'bar',
}, {
'allowChildren': 1,
'expandable': 1,
'id': 'test.wat',
'leaf': 0,
'text': 'wat',
}, {
'allowChildren': 0,
'expandable': 0,
'id': 'test.foo',
'leaf': 1,
'text': 'foo',
}])
response = self.app.get(url, query_string={'query': 'test.*',
'format': 'completer'})
self.assertJSON(response, {'metrics': [{
'is_leaf': 0,
'name': 'bar',
'path': 'test.bar.',
}, {
'is_leaf': 1,
'name': 'foo',
'path': 'test.foo',
}, {
'is_leaf': 0,
'name': 'wat',
'path': 'test.wat.',
}]})
response = self.app.get(url, query_string={'query': 'test.*',
'wildcards': 1,
'format': 'completer'})
self.assertJSON(response, {'metrics': [{
'is_leaf': 0,
'name': 'bar',
'path': 'test.bar.',
}, {
'is_leaf': 1,
'name': 'foo',
'path': 'test.foo',
}, {
'is_leaf': 0,
'name': 'wat',
'path': 'test.wat.',
}, {
'name': '*',
}]})
def test_find_validation(self):
url = '/metrics/find'
response = self.app.get(url, query_string={'query': 'foo',
'wildcards': 'aaa'})
self.assertJSON(response, {'errors': {'wildcards': 'must be 0 or 1.'}},
status_code=400)
response = self.app.get(url, query_string={'query': 'foo',
'from': 'aaa',
'until': 'bbb'})
self.assertJSON(response, {'errors': {
'from': 'must be an epoch timestamp.',
'until': 'must be an epoch timestamp.',
}}, status_code=400)
response = self.app.get(url, query_string={'query': 'foo',
'format': 'other'})
self.assertJSON(response, {'errors': {
'format': 'unrecognized format: "other".',
}}, status_code=400)
def test_expand(self):
url = '/metrics/expand'
response = self.app.get(url)
self.assertJSON(response, {'errors':
{'query': 'this parameter is required.'}},
status_code=400)
response = self.app.get(url, query_string={'query': 'test'})
self.assertJSON(response, {'results': []})
self._create_dbs()
response = self.app.get(url, query_string={'query': 'test'})
self.assertJSON(response, {'results': ['test']})
response = self.app.get(url, query_string={'query': 'test.*'})
self.assertJSON(response, {'results': ['test.bar', 'test.foo',
'test.wat']})
response = self.app.get(url, query_string={'query': 'test.*',
'leavesOnly': 1})
self.assertJSON(response, {'results': ['test.foo']})
response = self.app.get(url, query_string={'query': 'test.*',
'groupByExpr': 1})
self.assertJSON(response, {'results': {'test.*': ['test.bar',
'test.foo',
'test.wat']}})
def test_expand_validation(self):
url = '/metrics/expand'
response = self.app.get(url, query_string={'query': 'foo',
'leavesOnly': 'bbb',
'groupByExpr': 'aaa'})
self.assertJSON(response, {'errors': {
'groupByExpr': 'must be 0 or 1.',
'leavesOnly': 'must be 0 or 1.',
}}, status_code=400)
def test_noop(self):
url = '/dashboard/find'
response = self.app.get(url)
self.assertJSON(response, {'dashboards': []})
url = '/dashboard/load/foo'
response = self.app.get(url)
self.assertJSON(response, {'error': "Dashboard 'foo' does not exist."},
status_code=404)
url = '/events/get_data'
response = self.app.get(url)
self.assertJSON(response, [])
def test_index(self):
parent = os.path.join(WHISPER_DIR, 'collectd')
os.makedirs(parent)
for metric in ['load', 'memory', 'cpu']:
db = os.path.join(parent, '{0}.wsp'.format(metric))
whisper.create(db, [(1, 60)])
response = self.app.put('/index')
self.assertJSON(response, {'success': True, 'entries': 3})
def test_metrics_index(self):
url = '/metrics/index.json'
response = self.app.get(url)
self.assertJSON(response, [])
self.assertEqual(response.headers['Content-Type'], 'application/json')
response = self.app.get(url, query_string={'jsonp': 'foo'})
self.assertEqual(response.data, b'foo([])')
self.assertEqual(response.headers['Content-Type'], 'text/javascript')
parent = os.path.join(WHISPER_DIR, 'collectd')
os.makedirs(parent)
for metric in ['load', 'memory', 'cpu']:
db = os.path.join(parent, '{0}.wsp'.format(metric))
whisper.create(db, [(1, 60)])
response = self.app.get(url)
self.assertJSON(response, [
u'collectd.cpu',
u'collectd.load',
u'collectd.memory',
])
response = self.app.get(url, query_string={'jsonp': 'bar'})
self.assertEqual(
response.data,
b'bar(["collectd.cpu", "collectd.load", "collectd.memory"])')