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Add whatsnew entry for selecting kernels
Add whatsnew entry for selecting kernels

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test_coalescestreams.py
73 lines | 3.8 KiB | text/x-python | PythonLexer
"""
Module with tests for the coalescestreams preprocessor
"""
#-----------------------------------------------------------------------------
# Copyright (c) 2013, the IPython Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from IPython.nbformat import current as nbformat
from .base import PreprocessorTestsBase
from ..coalescestreams import coalesce_streams
#-----------------------------------------------------------------------------
# Class
#-----------------------------------------------------------------------------
class TestCoalesceStreams(PreprocessorTestsBase):
"""Contains test functions for coalescestreams.py"""
def test_coalesce_streams(self):
"""coalesce_streams preprocessor output test"""
nb = self.build_notebook()
res = self.build_resources()
nb, res = coalesce_streams(nb, res)
outputs = nb.worksheets[0].cells[0].outputs
self.assertEqual(outputs[0].text, "a")
self.assertEqual(outputs[1].output_type, "text")
self.assertEqual(outputs[2].text, "cd")
self.assertEqual(outputs[3].text, "ef")
def test_coalesce_sequenced_streams(self):
"""Can the coalesce streams preprocessor merge a sequence of streams?"""
outputs = [nbformat.new_output(output_type="stream", stream="stdout", output_text="0"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="1"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="2"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="3"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="4"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="5"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="6"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="7")]
cells=[nbformat.new_code_cell(input="# None", prompt_number=1,outputs=outputs)]
worksheets = [nbformat.new_worksheet(name="worksheet1", cells=cells)]
nb = nbformat.new_notebook(name="notebook1", worksheets=worksheets)
res = self.build_resources()
nb, res = coalesce_streams(nb, res)
outputs = nb.worksheets[0].cells[0].outputs
self.assertEqual(outputs[0].text, u'01234567')
def test_coalesce_replace_streams(self):
"""Are \\r characters handled?"""
outputs = [nbformat.new_output(output_type="stream", stream="stdout", output_text="z"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="\ra"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="\nz\rb"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="\nz"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="\rc\n"),
nbformat.new_output(output_type="stream", stream="stdout", output_text="z\rz\rd")]
cells=[nbformat.new_code_cell(input="# None", prompt_number=1,outputs=outputs)]
worksheets = [nbformat.new_worksheet(name="worksheet1", cells=cells)]
nb = nbformat.new_notebook(name="notebook1", worksheets=worksheets)
res = self.build_resources()
nb, res = coalesce_streams(nb, res)
outputs = nb.worksheets[0].cells[0].outputs
self.assertEqual(outputs[0].text, u'a\nb\nc\nd')