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test_adapter.py
314 lines | 10.4 KiB | text/x-python | PythonLexer
MinRK
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r16694 """Tests for adapting IPython msg spec versions"""
# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
import copy
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r16695 import json
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r16694 from unittest import TestCase
import nose.tools as nt
from IPython.kernel.adapter import adapt, V4toV5, V5toV4
from IPython.kernel.zmq.session import Session
def test_default_version():
s = Session()
msg = s.msg("msg_type")
msg['header'].pop('version')
original = copy.deepcopy(msg)
adapted = adapt(original)
MinRK
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r16695 nt.assert_equal(adapted['header']['version'], V4toV5.version)
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r16694
class AdapterTest(TestCase):
def setUp(self):
self.session = Session()
def adapt(self, msg, version=None):
original = copy.deepcopy(msg)
adapted = adapt(msg, version or self.to_version)
return original, adapted
def check_header(self, msg):
pass
class V4toV5TestCase(AdapterTest):
from_version = 4
to_version = 5
def msg(self, msg_type, content):
"""Create a v4 msg (same as v5, minus version header)"""
msg = self.session.msg(msg_type, content)
msg['header'].pop('version')
return msg
def test_same_version(self):
msg = self.msg("execute_result",
content={'status' : 'ok'}
)
original, adapted = self.adapt(msg, self.from_version)
self.assertEqual(original, adapted)
def test_no_adapt(self):
msg = self.msg("input_reply", {'value' : 'some text'})
v4, v5 = self.adapt(msg)
self.assertEqual(v5['header']['version'], V4toV5.version)
v5['header'].pop('version')
self.assertEqual(v4, v5)
def test_rename_type(self):
for v5_type, v4_type in [
('execute_result', 'pyout'),
('execute_input', 'pyin'),
('error', 'pyerr'),
]:
msg = self.msg(v4_type, {'key' : 'value'})
v4, v5 = self.adapt(msg)
self.assertEqual(v5['header']['version'], V4toV5.version)
self.assertEqual(v5['header']['msg_type'], v5_type)
self.assertEqual(v4['content'], v5['content'])
def test_execute_request(self):
msg = self.msg("execute_request", {
'code' : 'a=5',
'silent' : False,
'user_expressions' : {'a' : 'apple'},
'user_variables' : ['b'],
})
v4, v5 = self.adapt(msg)
self.assertEqual(v4['header']['msg_type'], v5['header']['msg_type'])
v4c = v4['content']
v5c = v5['content']
self.assertEqual(v5c['user_expressions'], {'a' : 'apple', 'b': 'b'})
MinRK
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r16695 self.assertNotIn('user_variables', v5c)
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r16694 self.assertEqual(v5c['code'], v4c['code'])
def test_complete_request(self):
MinRK
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r16695 msg = self.msg("complete_request", {
'text' : 'a.is',
'line' : 'foo = a.is',
'block' : None,
'cursor_pos' : 10,
})
v4, v5 = self.adapt(msg)
v4c = v4['content']
v5c = v5['content']
for key in ('text', 'line', 'block'):
self.assertNotIn(key, v5c)
self.assertEqual(v5c['cursor_pos'], v4c['cursor_pos'])
self.assertEqual(v5c['code'], v4c['line'])
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r16694
def test_complete_reply(self):
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r16695 msg = self.msg("complete_reply", {
'matched_text' : 'a.is',
'matches' : ['a.isalnum',
'a.isalpha',
'a.isdigit',
'a.islower',
],
})
v4, v5 = self.adapt(msg)
v4c = v4['content']
v5c = v5['content']
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r16698 self.assertEqual(v5c['matches'], v4c['matches'])
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r16695 self.assertEqual(v5c['metadata'], {})
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r16698 self.assertEqual(v5c['cursor_start'], -4)
self.assertEqual(v5c['cursor_end'], None)
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r16694
def test_object_info_request(self):
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r16695 msg = self.msg("object_info_request", {
'oname' : 'foo',
'detail_level' : 1,
})
v4, v5 = self.adapt(msg)
self.assertEqual(v5['header']['msg_type'], 'inspect_request')
v4c = v4['content']
v5c = v5['content']
self.assertEqual(v5c['code'], v4c['oname'])
self.assertEqual(v5c['cursor_pos'], len(v4c['oname']))
self.assertEqual(v5c['detail_level'], v4c['detail_level'])
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r16694
def test_object_info_reply(self):
MinRK
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r16695 msg = self.msg("object_info_reply", {
'name' : 'foo',
'found' : True,
'status' : 'ok',
'definition' : 'foo(a=5)',
'docstring' : "the docstring",
})
v4, v5 = self.adapt(msg)
self.assertEqual(v5['header']['msg_type'], 'inspect_reply')
v4c = v4['content']
v5c = v5['content']
self.assertEqual(sorted(v5c), [ 'data', 'found', 'metadata', 'name', 'status'])
text = v5c['data']['text/plain']
self.assertEqual(text, '\n'.join([v4c['definition'], v4c['docstring']]))
MinRK
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r16694
# iopub channel
def test_display_data(self):
MinRK
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r16695 jsondata = dict(a=5)
msg = self.msg("display_data", {
'data' : {
'text/plain' : 'some text',
'application/json' : json.dumps(jsondata)
},
'metadata' : {'text/plain' : { 'key' : 'value' }},
})
v4, v5 = self.adapt(msg)
v4c = v4['content']
v5c = v5['content']
self.assertEqual(v5c['metadata'], v4c['metadata'])
self.assertEqual(v5c['data']['text/plain'], v4c['data']['text/plain'])
self.assertEqual(v5c['data']['application/json'], jsondata)
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r16694
# stdin channel
def test_input_request(self):
msg = self.msg('input_request', {'prompt': "$>"})
v4, v5 = self.adapt(msg)
self.assertEqual(v5['content']['prompt'], v4['content']['prompt'])
self.assertFalse(v5['content']['password'])
class V5toV4TestCase(AdapterTest):
from_version = 5
to_version = 4
def msg(self, msg_type, content):
return self.session.msg(msg_type, content)
def test_same_version(self):
msg = self.msg("execute_result",
content={'status' : 'ok'}
)
original, adapted = self.adapt(msg, self.from_version)
self.assertEqual(original, adapted)
def test_no_adapt(self):
msg = self.msg("input_reply", {'value' : 'some text'})
v5, v4 = self.adapt(msg)
self.assertNotIn('version', v4['header'])
v5['header'].pop('version')
self.assertEqual(v4, v5)
def test_rename_type(self):
for v5_type, v4_type in [
('execute_result', 'pyout'),
('execute_input', 'pyin'),
('error', 'pyerr'),
]:
msg = self.msg(v5_type, {'key' : 'value'})
v5, v4 = self.adapt(msg)
self.assertEqual(v4['header']['msg_type'], v4_type)
nt.assert_not_in('version', v4['header'])
self.assertEqual(v4['content'], v5['content'])
def test_execute_request(self):
msg = self.msg("execute_request", {
'code' : 'a=5',
'silent' : False,
'user_expressions' : {'a' : 'apple'},
})
v5, v4 = self.adapt(msg)
self.assertEqual(v4['header']['msg_type'], v5['header']['msg_type'])
v4c = v4['content']
v5c = v5['content']
self.assertEqual(v4c['user_variables'], [])
self.assertEqual(v5c['code'], v4c['code'])
def test_complete_request(self):
MinRK
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r16695 msg = self.msg("complete_request", {
'code' : 'def foo():\n'
' a.is\n'
'foo()',
'cursor_pos': 19,
})
v5, v4 = self.adapt(msg)
v4c = v4['content']
v5c = v5['content']
self.assertNotIn('code', v4c)
self.assertEqual(v4c['line'], v5c['code'].splitlines(True)[1])
self.assertEqual(v4c['cursor_pos'], 8)
self.assertEqual(v4c['text'], '')
self.assertEqual(v4c['block'], None)
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r16694
def test_complete_reply(self):
MinRK
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r16695 msg = self.msg("complete_reply", {
'cursor_start' : 10,
'cursor_end' : 14,
'matches' : ['a.isalnum',
'a.isalpha',
'a.isdigit',
'a.islower',
],
'metadata' : {},
})
v5, v4 = self.adapt(msg)
v4c = v4['content']
v5c = v5['content']
self.assertEqual(v4c['matched_text'], 'a.is')
self.assertEqual(v4c['matches'], v5c['matches'])
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r16694
def test_inspect_request(self):
MinRK
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r16695 msg = self.msg("inspect_request", {
'code' : 'def foo():\n'
' apple\n'
'bar()',
'cursor_pos': 18,
'detail_level' : 1,
})
v5, v4 = self.adapt(msg)
self.assertEqual(v4['header']['msg_type'], 'object_info_request')
v4c = v4['content']
v5c = v5['content']
self.assertEqual(v4c['oname'], 'apple')
self.assertEqual(v5c['detail_level'], v4c['detail_level'])
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r16694
def test_inspect_reply(self):
MinRK
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r16695 msg = self.msg("inspect_reply", {
'name' : 'foo',
'found' : True,
'data' : {'text/plain' : 'some text'},
'metadata' : {},
})
v5, v4 = self.adapt(msg)
self.assertEqual(v4['header']['msg_type'], 'object_info_reply')
v4c = v4['content']
v5c = v5['content']
self.assertEqual(sorted(v4c), ['found', 'name'])
self.assertEqual(v4c['found'], False)
MinRK
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r16694
# iopub channel
def test_display_data(self):
MinRK
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r16695 jsondata = dict(a=5)
msg = self.msg("display_data", {
'data' : {
'text/plain' : 'some text',
'application/json' : jsondata,
},
'metadata' : {'text/plain' : { 'key' : 'value' }},
})
v5, v4 = self.adapt(msg)
v4c = v4['content']
v5c = v5['content']
self.assertEqual(v5c['metadata'], v4c['metadata'])
self.assertEqual(v5c['data']['text/plain'], v4c['data']['text/plain'])
self.assertEqual(v4c['data']['application/json'], json.dumps(jsondata))
MinRK
begin testing msg spec adapter
r16694
# stdin channel
def test_input_request(self):
msg = self.msg('input_request', {'prompt': "$>", 'password' : True})
v5, v4 = self.adapt(msg)
self.assertEqual(v5['content']['prompt'], v4['content']['prompt'])
self.assertNotIn('password', v4['content'])