def create_and_destroy_kernel(self):
"""
Set up a new kernel with two associated consoles, then shut everything
down.
"""
kernel = InternalIPKernel()
kernel.init_ipkernel(gui_backend=None)
kernel.new_qt_console()
kernel.new_qt_console()
kernel.shutdown()
def test_io_pub_thread_stopped(self):
kernel = InternalIPKernel()
kernel.init_ipkernel(gui_backend=None)
kernel.new_qt_console()
kernel.new_qt_console()
kernel.shutdown()
io_pub_threads = [
obj for obj in gc.get_objects() if isinstance(obj, IOPubThread)
]
for thread in io_pub_threads:
self.assertFalse(thread.thread.is_alive())
def test_io_pub_thread_stopped(self):
kernel = InternalIPKernel()
kernel.init_ipkernel(gui_backend=None)
kernel.new_qt_console()
kernel.new_qt_console()
kernel.shutdown()
io_pub_threads = [
obj for obj in gc.get_objects()
if isinstance(obj, IOPubThread)
]
for thread in io_pub_threads:
self.assertFalse(thread.thread.is_alive())
def test_lifecycle(self):
kernel = InternalIPKernel()
self.assertIsNone(kernel.ipkernel)
kernel.init_ipkernel(gui_backend=None)
self.assertIsNotNone(kernel.ipkernel)
self.assertIsInstance(kernel.ipkernel, IPKernelApp)
kernel.new_qt_console()
kernel.new_qt_console()
self.assertEqual(len(kernel.consoles), 2)
kernel.shutdown()
self.assertIsNone(kernel.ipkernel)
self.assertEqual(len(kernel.consoles), 0)
def test_lifecycle(self):
kernel = InternalIPKernel()
self.assertIsNone(kernel.ipkernel)
kernel.init_ipkernel(gui_backend=None)
self.assertIsNotNone(kernel.ipkernel)
self.assertIsInstance(kernel.ipkernel, IPKernelApp)
kernel.new_qt_console()
kernel.new_qt_console()
self.assertEqual(len(kernel.consoles), 2)
kernel.shutdown()
self.assertIsNone(kernel.ipkernel)
self.assertEqual(len(kernel.consoles), 0)
def test_shutdown_closes_console_pipes(self):
kernel = InternalIPKernel(initial_namespace=[('x', 42.1)])
kernel.init_ipkernel(gui_backend=None)
console = kernel.new_qt_console()
self.assertFalse(console.stdout.closed)
self.assertFalse(console.stderr.closed)
kernel.shutdown()
self.assertTrue(console.stdout.closed)
self.assertTrue(console.stderr.closed)
def test_shutdown_closes_console_pipes(self):
kernel = InternalIPKernel(initial_namespace=[('x', 42.1)])
kernel.init_ipkernel(gui_backend=None)
console = kernel.new_qt_console()
self.assertFalse(console.stdout.closed)
self.assertFalse(console.stderr.closed)
kernel.shutdown()
self.assertTrue(console.stdout.closed)
self.assertTrue(console.stderr.closed)
