Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/nbconvert/preprocessors/tests/test_coalescestreams.py

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2020-11-12 16:05:57 +00:00
"""Tests for the coalescestreams preprocessor"""
# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
from nbformat import v4 as nbformat
from .base import PreprocessorTestsBase
from ..coalescestreams import coalesce_streams
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.cells[0].outputs
self.assertEqual(outputs[0].text, "a")
self.assertEqual(outputs[1].output_type, "display_data")
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", name="stdout", text="0"),
nbformat.new_output(output_type="stream", name="stdout", text="1"),
nbformat.new_output(output_type="stream", name="stdout", text="2"),
nbformat.new_output(output_type="stream", name="stdout", text="3"),
nbformat.new_output(output_type="stream", name="stdout", text="4"),
nbformat.new_output(output_type="stream", name="stdout", text="5"),
nbformat.new_output(output_type="stream", name="stdout", text="6"),
nbformat.new_output(output_type="stream", name="stdout", text="7")]
cells=[nbformat.new_code_cell(source="# None", execution_count=1,outputs=outputs)]
nb = nbformat.new_notebook(cells=cells)
res = self.build_resources()
nb, res = coalesce_streams(nb, res)
outputs = nb.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", name="stdout", text="z"),
nbformat.new_output(output_type="stream", name="stdout", text="\ra"),
nbformat.new_output(output_type="stream", name="stdout", text="\nz\rb"),
nbformat.new_output(output_type="stream", name="stdout", text="\nz"),
nbformat.new_output(output_type="stream", name="stdout", text="\rc\n"),
nbformat.new_output(output_type="stream", name="stdout", text="z\rz\rd")]
cells=[nbformat.new_code_cell(source="# None", execution_count=1,outputs=outputs)]
nb = nbformat.new_notebook(cells=cells)
res = self.build_resources()
nb, res = coalesce_streams(nb, res)
outputs = nb.cells[0].outputs
self.assertEqual(outputs[0].text, u'a\nb\nc\nd')