def test_interface(self):
""" Does the in-process kernel manager implement the basic KM interface?
"""
km = InProcessKernelManager()
self.assert_(not km.has_kernel)
km.start_kernel()
self.assert_(km.has_kernel)
self.assert_(km.kernel is not None)
kc = BlockingInProcessKernelClient(kernel=km.kernel)
self.assert_(not kc.channels_running)
kc.start_channels()
self.assert_(kc.channels_running)
old_kernel = km.kernel
km.restart_kernel()
self.assertIsNotNone(km.kernel)
self.assertNotEquals(km.kernel, old_kernel)
km.shutdown_kernel()
self.assert_(not km.has_kernel)
self.assertRaises(NotImplementedError, km.interrupt_kernel)
self.assertRaises(NotImplementedError, km.signal_kernel, 9)
kc.stop_channels()
self.assert_(not kc.channels_running)
def test_execute(self):
""" Does executing code in an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
kc.execute('foo = 1')
self.assertEquals(km.kernel.shell.user_ns['foo'], 1)
def test_complete(self):
""" Does requesting completion from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
km.kernel.shell.push({"my_bar": 0, "my_baz": 1})
kc.complete("my_ba", "my_ba", 5)
msg = kc.get_shell_msg()
self.assertEqual(msg["header"]["msg_type"], "complete_reply")
self.assertEqual(sorted(msg["content"]["matches"]), ["my_bar", "my_baz"])
def test_object_info(self):
""" Does requesting object information from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
km.kernel.shell.user_ns['foo'] = 1
kc.object_info('foo')
msg = kc.get_shell_msg()
self.assertEquals(msg['header']['msg_type'], 'object_info_reply')
self.assertEquals(msg['content']['name'], 'foo')
self.assertEquals(msg['content']['type_name'], 'int')
def test_complete(self):
""" Does requesting completion from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
km.kernel.shell.push({'my_bar': 0, 'my_baz': 1})
kc.complete('my_ba', 'my_ba', 5)
msg = kc.get_shell_msg()
self.assertEqual(msg['header']['msg_type'], 'complete_reply')
self.assertEqual(sorted(msg['content']['matches']),
['my_bar', 'my_baz'])
def test_object_info(self):
""" Does requesting object information from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
km.kernel.shell.user_ns["foo"] = 1
kc.object_info("foo")
msg = kc.get_shell_msg()
self.assertEquals(msg["header"]["msg_type"], "object_info_reply")
self.assertEquals(msg["content"]["name"], "foo")
self.assertEquals(msg["content"]["type_name"], "int")
def get_kernel_pointer(buffer):
lisp.message("getting kernel for " + buffer)
if buffer not in kernels:
lisp.message("creating new " + buffer)
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
kernel = InProcessKernel()
kernels[buffer] = (kc,kernel,kernel.shell.get_ipython())
# run this so that plt, np pointers are ready
kc.shell_channel.execute('%pylab inline')
return kernels[buffer]
def test_history(self):
""" Does requesting history from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
kc.execute('%who')
kc.history(hist_access_type='tail', n=1)
msg = kc.shell_channel.get_msgs()[-1]
self.assertEquals(msg['header']['msg_type'], 'history_reply')
history = msg['content']['history']
self.assertEquals(len(history), 1)
self.assertEquals(history[0][2], '%who')
def test_complete(self):
""" Does requesting completion from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
kc.wait_for_ready()
km.kernel.shell.push({'my_bar': 0, 'my_baz': 1})
kc.complete('my_ba', 5)
msg = kc.get_shell_msg()
self.assertEqual(msg['header']['msg_type'], 'complete_reply')
self.assertEqual(sorted(msg['content']['matches']),
['my_bar', 'my_baz'])
def test_history(self):
""" Does requesting history from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
kc.execute('%who')
kc.history(hist_access_type='tail', n=1)
msg = kc.shell_channel.get_msgs()[-1]
self.assertEquals(msg['header']['msg_type'], 'history_reply')
history = msg['content']['history']
self.assertEquals(len(history), 1)
self.assertEquals(history[0][2], '%who')
def test_history(self):
""" Does requesting history from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
kc.execute("%who")
kc.history(hist_access_type="tail", n=1)
msg = kc.shell_channel.get_msgs()[-1]
self.assertEquals(msg["header"]["msg_type"], "history_reply")
history = msg["content"]["history"]
self.assertEquals(len(history), 1)
self.assertEquals(history[0][2], "%who")
def test_inspect(self):
""" Does requesting object information from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
km.kernel.shell.user_ns['foo'] = 1
kc.inspect('foo')
msg = kc.get_shell_msg()
self.assertEqual(msg['header']['msg_type'], 'inspect_reply')
content = msg['content']
assert content['found']
text = content['data']['text/plain']
self.assertIn('int', text)
def test_inspect(self):
""" Does requesting object information from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
km.kernel.shell.user_ns['foo'] = 1
kc.inspect('foo')
msg = kc.get_shell_msg()
self.assertEqual(msg['header']['msg_type'], 'inspect_reply')
content = msg['content']
assert content['found']
text = content['data']['text/plain']
self.assertIn('int', text)
def get_kernel_pointer(buffer):
lisp.message("getting kernel for " + buffer)
if buffer not in kernels:
lisp.message("creating new " + buffer)
km = InProcessKernelManager()
km.start_kernel()
kc = BlockingInProcessKernelClient(kernel=km.kernel)
kc.start_channels()
kernel = InProcessKernel()
kernels[buffer] = (kc,kernel,kernel.shell.get_ipython())
# run this so that plt, np pointers are ready
kc.shell_channel.execute('%pylab inline')
kc.shell_channel.execute('%load_ext autoreload')
kc.shell_channel.execute('%autoreload 2')
return kernels[buffer]
class InProcessKernelTestCase(unittest.TestCase):
def setUp(self):
self.km = InProcessKernelManager()
self.km.start_kernel()
self.kc = BlockingInProcessKernelClient(kernel=self.km.kernel)
self.kc.start_channels()
@skipif_not_matplotlib
def test_pylab(self):
""" Does pylab work in the in-process kernel?
"""
kc = self.kc
kc.execute('%pylab')
msg = get_stream_message(kc)
self.assert_('matplotlib' in msg['content']['data'])
def test_raw_input(self):
""" Does the in-process kernel handle raw_input correctly?
"""
io = StringIO('foobar\n')
sys_stdin = sys.stdin
sys.stdin = io
try:
if py3compat.PY3:
self.kc.execute('x = input()')
else:
self.kc.execute('x = raw_input()')
finally:
sys.stdin = sys_stdin
self.assertEqual(self.km.kernel.shell.user_ns.get('x'), 'foobar')
def test_stdout(self):
""" Does the in-process kernel correctly capture IO?
"""
kernel = InProcessKernel()
with capture_output() as io:
kernel.shell.run_cell('print("foo")')
self.assertEqual(io.stdout, 'foo\n')
kc = BlockingInProcessKernelClient(kernel=kernel)
kernel.frontends.append(kc)
kc.shell_channel.execute('print("bar")')
msg = get_stream_message(kc)
self.assertEqual(msg['content']['data'], 'bar\n')
class InProcessKernelTestCase(unittest.TestCase):
def setUp(self):
self.km = InProcessKernelManager()
self.km.start_kernel()
self.kc = BlockingInProcessKernelClient(kernel=self.km.kernel)
self.kc.start_channels()
@skipif_not_matplotlib
def test_pylab(self):
""" Does pylab work in the in-process kernel?
"""
kc = self.kc
kc.execute('%pylab')
msg = get_stream_message(kc)
self.assert_('Welcome to pylab' in msg['content']['data'])
def test_raw_input(self):
""" Does the in-process kernel handle raw_input correctly?
"""
io = StringIO('foobar\n')
sys_stdin = sys.stdin
sys.stdin = io
try:
if py3compat.PY3:
self.kc.execute('x = input()')
else:
self.kc.execute('x = raw_input()')
finally:
sys.stdin = sys_stdin
self.assertEqual(self.km.kernel.shell.user_ns.get('x'), 'foobar')
def test_stdout(self):
""" Does the in-process kernel correctly capture IO?
"""
kernel = InProcessKernel()
with capture_output() as io:
kernel.shell.run_cell('print("foo")')
self.assertEqual(io.stdout, 'foo\n')
kc = BlockingInProcessKernelClient(kernel=kernel)
kernel.frontends.append(kc)
kc.shell_channel.execute('print("bar")')
msg = get_stream_message(kc)
self.assertEqual(msg['content']['data'], 'bar\n')
class InProcessKernelTestCase(unittest.TestCase):
def setUp(self):
self.km = InProcessKernelManager()
self.km.start_kernel()
self.kc = BlockingInProcessKernelClient(kernel=self.km.kernel)
self.kc.start_channels()
self.kc.wait_for_ready()
@skipif_not_matplotlib
def test_pylab(self):
"""Does %pylab work in the in-process kernel?"""
kc = self.kc
kc.execute("%pylab")
out, err = assemble_output(kc.iopub_channel)
self.assertIn("matplotlib", out)
def test_raw_input(self):
""" Does the in-process kernel handle raw_input correctly?
"""
io = StringIO("foobar\n")
sys_stdin = sys.stdin
sys.stdin = io
try:
if py3compat.PY3:
self.kc.execute("x = input()")
else:
self.kc.execute("x = raw_input()")
finally:
sys.stdin = sys_stdin
self.assertEqual(self.km.kernel.shell.user_ns.get("x"), "foobar")
def test_stdout(self):
""" Does the in-process kernel correctly capture IO?
"""
kernel = InProcessKernel()
with capture_output() as io:
kernel.shell.run_cell('print("foo")')
self.assertEqual(io.stdout, "foo\n")
kc = BlockingInProcessKernelClient(kernel=kernel)
kernel.frontends.append(kc)
kc.execute('print("bar")')
out, err = assemble_output(kc.iopub_channel)
self.assertEqual(out, "bar\n")