"""
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 .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")