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# -*- coding: utf8 -*-
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import io
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import os
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import shutil
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import tempfile
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pjoin = os.path.join
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from ..nbbase import (
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NotebookNode,
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new_code_cell, new_text_cell, new_worksheet, new_notebook
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)
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from ..nbpy import reads, writes, read, write
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from .nbexamples import nb0, nb0_py
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def open_utf8(fname, mode):
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return io.open(fname, mode=mode, encoding='utf-8')
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class NBFormatTest:
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"""Mixin for writing notebook format tests"""
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# override with appropriate values in subclasses
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nb0_ref = None
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ext = None
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mod = None
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def setUp(self):
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self.wd = tempfile.mkdtemp()
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def tearDown(self):
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shutil.rmtree(self.wd)
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def assertNBEquals(self, nba, nbb):
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self.assertEqual(nba, nbb)
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def test_writes(self):
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s = self.mod.writes(nb0)
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if self.nb0_ref:
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self.assertEqual(s, self.nb0_ref)
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def test_reads(self):
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s = self.mod.writes(nb0)
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nb = self.mod.reads(s)
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def test_roundtrip(self):
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s = self.mod.writes(nb0)
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self.assertNBEquals(self.mod.reads(s),nb0)
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def test_write_file(self):
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with open_utf8(pjoin(self.wd, "nb0.%s" % self.ext), 'w') as f:
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self.mod.write(nb0, f)
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def test_read_file(self):
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with open_utf8(pjoin(self.wd, "nb0.%s" % self.ext), 'w') as f:
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self.mod.write(nb0, f)
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with open_utf8(pjoin(self.wd, "nb0.%s" % self.ext), 'r') as f:
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nb = self.mod.read(f)
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