/usr/lib/python2.7/dist-packages/notebook/services/sessions/tests/test_sessionmanager.py is in python-notebook 5.2.2-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 | """Tests for the session manager."""
from functools import partial
from unittest import TestCase
from tornado import gen, web
from tornado.ioloop import IOLoop
from ..sessionmanager import SessionManager
from notebook.services.kernels.kernelmanager import MappingKernelManager
from notebook.services.contents.manager import ContentsManager
from notebook._tz import utcnow, isoformat
class DummyKernel(object):
def __init__(self, kernel_name='python'):
self.kernel_name = kernel_name
dummy_date = utcnow()
dummy_date_s = isoformat(dummy_date)
class DummyMKM(MappingKernelManager):
"""MappingKernelManager interface that doesn't start kernels, for testing"""
def __init__(self, *args, **kwargs):
super(DummyMKM, self).__init__(*args, **kwargs)
self.id_letters = iter(u'ABCDEFGHIJK')
def _new_id(self):
return next(self.id_letters)
def start_kernel(self, kernel_id=None, path=None, kernel_name='python', **kwargs):
kernel_id = kernel_id or self._new_id()
k = self._kernels[kernel_id] = DummyKernel(kernel_name=kernel_name)
self._kernel_connections[kernel_id] = 0
k.last_activity = dummy_date
k.execution_state = 'idle'
return kernel_id
def shutdown_kernel(self, kernel_id, now=False):
del self._kernels[kernel_id]
class TestSessionManager(TestCase):
def setUp(self):
self.sm = SessionManager(
kernel_manager=DummyMKM(),
contents_manager=ContentsManager(),
)
self.loop = IOLoop()
self.addCleanup(partial(self.loop.close, all_fds=True))
def create_sessions(self, *kwarg_list):
@gen.coroutine
def co_add():
sessions = []
for kwargs in kwarg_list:
kwargs.setdefault('type', 'notebook')
session = yield self.sm.create_session(**kwargs)
sessions.append(session)
raise gen.Return(sessions)
return self.loop.run_sync(co_add)
def create_session(self, **kwargs):
return self.create_sessions(kwargs)[0]
def test_get_session(self):
sm = self.sm
session_id = self.create_session(path='/path/to/test.ipynb', kernel_name='bar')['id']
model = sm.get_session(session_id=session_id)
expected = {'id':session_id,
'path': u'/path/to/test.ipynb',
'notebook': {'path': u'/path/to/test.ipynb', 'name': None},
'type': 'notebook',
'name': None,
'kernel': {
'id': 'A',
'name': 'bar',
'connections': 0,
'last_activity': dummy_date_s,
'execution_state': 'idle',
}}
self.assertEqual(model, expected)
def test_bad_get_session(self):
# Should raise error if a bad key is passed to the database.
sm = self.sm
session_id = self.create_session(path='/path/to/test.ipynb',
kernel_name='foo')['id']
self.assertRaises(TypeError, sm.get_session, bad_id=session_id) # Bad keyword
def test_get_session_dead_kernel(self):
sm = self.sm
session = self.create_session(path='/path/to/1/test1.ipynb', kernel_name='python')
# kill the kernel
sm.kernel_manager.shutdown_kernel(session['kernel']['id'])
with self.assertRaises(KeyError):
sm.get_session(session_id=session['id'])
# no sessions left
listed = sm.list_sessions()
self.assertEqual(listed, [])
def test_list_sessions(self):
sm = self.sm
sessions = self.create_sessions(
dict(path='/path/to/1/test1.ipynb', kernel_name='python'),
dict(path='/path/to/2/test2.py', type='file', kernel_name='python'),
dict(path='/path/to/3', name='foo', type='console', kernel_name='python'),
)
sessions = sm.list_sessions()
expected = [
{
'id':sessions[0]['id'],
'path': u'/path/to/1/test1.ipynb',
'type': 'notebook',
'notebook': {'path': u'/path/to/1/test1.ipynb', 'name': None},
'name': None,
'kernel': {
'id': 'A',
'name':'python',
'connections': 0,
'last_activity': dummy_date_s,
'execution_state': 'idle',
}
}, {
'id':sessions[1]['id'],
'path': u'/path/to/2/test2.py',
'type': 'file',
'name': None,
'kernel': {
'id': 'B',
'name':'python',
'connections': 0,
'last_activity': dummy_date_s,
'execution_state': 'idle',
}
}, {
'id':sessions[2]['id'],
'path': u'/path/to/3',
'type': 'console',
'name': 'foo',
'kernel': {
'id': 'C',
'name':'python',
'connections': 0,
'last_activity': dummy_date_s,
'execution_state': 'idle',
}
}
]
self.assertEqual(sessions, expected)
def test_list_sessions_dead_kernel(self):
sm = self.sm
sessions = self.create_sessions(
dict(path='/path/to/1/test1.ipynb', kernel_name='python'),
dict(path='/path/to/2/test2.ipynb', kernel_name='python'),
)
# kill one of the kernels
sm.kernel_manager.shutdown_kernel(sessions[0]['kernel']['id'])
listed = sm.list_sessions()
expected = [
{
'id': sessions[1]['id'],
'path': u'/path/to/2/test2.ipynb',
'type': 'notebook',
'name': None,
'notebook': {'path': u'/path/to/2/test2.ipynb', 'name': None},
'kernel': {
'id': 'B',
'name':'python',
'connections': 0,
'last_activity': dummy_date_s,
'execution_state': 'idle',
}
}
]
self.assertEqual(listed, expected)
def test_update_session(self):
sm = self.sm
session_id = self.create_session(path='/path/to/test.ipynb',
kernel_name='julia')['id']
sm.update_session(session_id, path='/path/to/new_name.ipynb')
model = sm.get_session(session_id=session_id)
expected = {'id':session_id,
'path': u'/path/to/new_name.ipynb',
'type': 'notebook',
'name': None,
'notebook': {'path': u'/path/to/new_name.ipynb', 'name': None},
'kernel': {
'id': 'A',
'name':'julia',
'connections': 0,
'last_activity': dummy_date_s,
'execution_state': 'idle',
}
}
self.assertEqual(model, expected)
def test_bad_update_session(self):
# try to update a session with a bad keyword ~ raise error
sm = self.sm
session_id = self.create_session(path='/path/to/test.ipynb',
kernel_name='ir')['id']
self.assertRaises(TypeError, sm.update_session, session_id=session_id, bad_kw='test.ipynb') # Bad keyword
def test_delete_session(self):
sm = self.sm
sessions = self.create_sessions(
dict(path='/path/to/1/test1.ipynb', kernel_name='python'),
dict(path='/path/to/2/test2.ipynb', kernel_name='python'),
dict(path='/path/to/3', name='foo', type='console', kernel_name='python'),
)
sm.delete_session(sessions[1]['id'])
new_sessions = sm.list_sessions()
expected = [{
'id': sessions[0]['id'],
'path': u'/path/to/1/test1.ipynb',
'type': 'notebook',
'name': None,
'notebook': {'path': u'/path/to/1/test1.ipynb', 'name': None},
'kernel': {
'id': 'A',
'name':'python',
'connections': 0,
'last_activity': dummy_date_s,
'execution_state': 'idle',
}
}, {
'id': sessions[2]['id'],
'type': 'console',
'path': u'/path/to/3',
'name': 'foo',
'kernel': {
'id': 'C',
'name':'python',
'connections': 0,
'last_activity': dummy_date_s,
'execution_state': 'idle',
}
}
]
self.assertEqual(new_sessions, expected)
def test_bad_delete_session(self):
# try to delete a session that doesn't exist ~ raise error
sm = self.sm
self.create_session(path='/path/to/test.ipynb', kernel_name='python')
with self.assertRaises(TypeError):
self.loop.run_sync(lambda : sm.delete_session(bad_kwarg='23424')) # Bad keyword
with self.assertRaises(web.HTTPError):
self.loop.run_sync(lambda : sm.delete_session(session_id='23424')) # nonexistent
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