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"""
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Module with tests for exporter.py
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"""
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#-----------------------------------------------------------------------------
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# Copyright (c) 2013, the IPython Development Team.
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#
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# Distributed under the terms of the Modified BSD License.
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#
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# The full license is in the file COPYING.txt, distributed with this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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from IPython.config import Config
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from .base import ExportersTestsBase
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from .cheese import CheeseTransformer
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from ..exporter import Exporter
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#-----------------------------------------------------------------------------
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# Class
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#-----------------------------------------------------------------------------
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class TestExporter(ExportersTestsBase):
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"""Contains test functions for exporter.py"""
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def test_constructor(self):
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"""
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Can an Exporter be constructed?
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"""
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Exporter()
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def test_export(self):
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"""
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Can an Exporter export something?
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"""
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exporter = self._make_exporter()
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(output, resources) = exporter.from_filename(self._get_notebook())
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assert len(output) > 0
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def test_extract_outputs(self):
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"""
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If the ExtractOutputTransformer is enabled, are outputs extracted?
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"""
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config = Config({'ExtractOutputTransformer': {'enabled': True}})
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exporter = self._make_exporter(config=config)
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(output, resources) = exporter.from_filename(self._get_notebook())
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assert resources is not None
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assert 'outputs' in resources
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assert len(resources['outputs']) > 0
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def test_transformer_class(self):
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"""
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Can a transformer be added to the transformers list by class type?
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"""
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config = Config({'Exporter': {'transformers': [CheeseTransformer]}})
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exporter = self._make_exporter(config=config)
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(output, resources) = exporter.from_filename(self._get_notebook())
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assert resources is not None
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assert 'cheese' in resources
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assert resources['cheese'] == 'real'
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def test_transformer_instance(self):
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"""
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Can a transformer be added to the transformers list by instance?
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"""
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config = Config({'Exporter': {'transformers': [CheeseTransformer()]}})
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exporter = self._make_exporter(config=config)
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(output, resources) = exporter.from_filename(self._get_notebook())
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assert resources is not None
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assert 'cheese' in resources
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assert resources['cheese'] == 'real'
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def test_transformer_dottedobjectname(self):
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"""
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Can a transformer be added to the transformers list by dotted object name?
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"""
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config = Config({'Exporter': {'transformers': ['IPython.nbconvert.exporters.tests.cheese.CheeseTransformer']}})
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exporter = self._make_exporter(config=config)
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(output, resources) = exporter.from_filename(self._get_notebook())
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assert resources is not None
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assert 'cheese' in resources
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assert resources['cheese'] == 'real'
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def test_transformer_via_method(self):
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"""
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Can a transformer be added via the Exporter convinience method?
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"""
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exporter = self._make_exporter()
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exporter.register_transformer(CheeseTransformer, enabled=True)
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(output, resources) = exporter.from_filename(self._get_notebook())
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assert resources is not None
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assert 'cheese' in resources
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assert resources['cheese'] == 'real'
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def _make_exporter(self, config=None):
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#Create the exporter instance, make sure to set a template name since
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#the base Exporter doesn't have a template associated with it.
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exporter = Exporter(config=config)
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exporter.template_file = 'python'
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return exporter
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