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")')
assert io.stdout == 'foo\n'
kc = BlockingInProcessKernelClient(kernel=kernel, session=kernel.session)
kernel.frontends.append(kc)
kc.execute('print("bar")')
out, err = assemble_output(kc.iopub_channel)
assert out == 'bar\n'
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")')
assert io.stdout == 'foo\n'
kc = BlockingInProcessKernelClient(kernel=kernel, session=kernel.session)
kernel.frontends.append(kc)
kc.execute('print("bar")')
out, err = assemble_output(kc.iopub_channel)
assert out == 'bar\n'
def test_capfd(self):
"""Does correctly capture fd"""
kernel = InProcessKernel()
with capture_output() as io:
kernel.shell.run_cell('print("foo")')
assert io.stdout == "foo\n"
kc = BlockingInProcessKernelClient(kernel=kernel,
session=kernel.session)
kernel.frontends.append(kc)
kc.execute("import os")
kc.execute('os.system("echo capfd")')
out, err = assemble_output(kc.iopub_channel)
assert out == "capfd\n"