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test.py
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test.py
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import cStringIO
import json
import tempfile
import os
import chopmunk as L
def test_timing():
lst = []
pipe = L.list_sink(lst)
pipe = L.timify(pipe)
pipe.send({})
assert len(lst) == 1, 'nothing added to sink'
assert 'datetime' in lst[0]
def test_tagging():
lst = []
pipe = L.list_sink(lst)
pipe = L.taggify(pipe, tags=['bla', 'blubb'])
pipe.send({})
assert len(lst) == 1, 'nothing added to sink'
tags = lst[0]['tags']
assert tags == ['bla', 'blubb'], 'tags did not get through: %s' % tags
pipe = L.taggify(pipe, tags='hopp')
pipe.send({})
tags = lst[-1]['tags']
assert tags == ['hopp', 'bla', 'blubb'], 'tags did not get through: %s' % tags
def test_jsonify():
lst = []
pipe = L.list_sink(lst)
pipe = L.jsonify(pipe)
info = {'2': [3], '4': 5.}
pipe.send(info)
received_info = json.loads(lst[0])
assert received_info == info, 'jsonify did mutate info: %s' % received_info
def test_broadcast():
lst1 = []
lst2 = []
pipe1 = L.list_sink(lst1)
pipe2 = L.list_sink(lst2)
pipe = L.broadcast(pipe1, pipe2)
info = {'und alle so': 'yeah'}
pipe.send(info)
assert lst1[0] == info, 'list 1 did not receive info'
assert lst2[0] == info, 'list 2 did not receive info'
def test_filelike_sink():
flo = cStringIO.StringIO()
info = {'und alle so': 'yeah'}
pipe = L.filelike_sink(flo, '')
pipe.send(info)
assert flo.getvalue() == str(info)
flo = cStringIO.StringIO()
info = {'und alle so': 'yeah'}
pipe = L.filelike_sink(flo)
pipe.send(info)
assert flo.getvalue() == str(info) + '\n'
def test_file_sink():
info = {'und alle so': 'yeah'}
# 1. Test without newline.
# Create a file on the file system.
tf = tempfile.NamedTemporaryFile('r', delete=False)
tf.close()
# Send info into file.
pipe = L.file_sink(tf.name, suffix='')
pipe.send(info)
del pipe
with open(tf.name) as fp:
content = fp.read()
assert content == str(info)
# Delete file.
os.remove(tf.name)
# 2. Test with newline.
# Create a file on the file system.
tf = tempfile.NamedTemporaryFile('r', delete=False)
tf.close()
# Send info into file.
pipe = L.file_sink(tf.name, suffix='\n')
pipe.send(info)
del pipe
with open(tf.name) as fp:
content = fp.read()
assert content == str(info) + '\n'
# Send to it again.
pipe = L.file_sink(tf.name, append=True, suffix='\n')
pipe.send(info)
del pipe
with open(tf.name) as fp:
content = fp.read()
assert content == str(info) + '\n' + str(info) + '\n', 'content not as expected'
# Delete file.
os.remove(tf.name)
def test_exclude_tags():
lst = []
pipe = L.list_sink(lst)
pipe = L.exclude_tags(pipe, 'fun')
pipe1 = L.taggify(pipe, 'warn')
pipe2 = L.taggify(pipe, 'fun')
pipe1.send({'message': 'take care'})
pipe2.send({'message': 'haahaa'})
assert len(lst) == 1, 'wrong number of messages got through'
assert lst[0]['message'] == 'take care', 'wrong message got through'
def test_keep():
lst = []
pipe = L.list_sink(lst)
pipe = L.keep(pipe, ['message'])
pipe.send({'message': 'take care', 'blabla': 'blubb'})
assert len(lst) == 1, 'wrong number of messages got through'
assert lst[0] == {'message': 'take care'}, 'wrong keys got through'
def test_dontkeep():
lst = []
pipe = L.list_sink(lst)
pipe = L.dontkeep(pipe, ['blabla'])
pipe.send({'message': 'take care', 'blabla': 'blubb'})
assert len(lst) == 1, 'wrong number of messages got through'
assert lst[0] == {'message': 'take care'}, 'wrong keys got through'
def test_uniquify():
lst = []
pipe = L.list_sink(lst)
pipe = L.uniquify(pipe)
pipe.send({'message': 'take care', 'blabla': 'blubb'})
assert len(lst) == 1, 'wrong number of messages got through'
assert 'uuid' in lst[0], 'did not get a uuid'
assert len(lst[0]['uuid']) == 36, 'not a uuid'
def test_addkeyvalue():
lst = []
pipe = L.list_sink(lst)
pipe = L.add_keyvalue(pipe, 'yo', 'no')
pipe.send({'message': 'take care', 'blabla': 'blubb'})
assert len(lst) == 1, 'wrong number of messages got through'
assert 'yo' in lst[0], 'did not get field'
assert lst[0]['yo'] == 'no', 'field has not the right value'