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"""
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Module with tests for Strings
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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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import os
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from ...tests.base import TestsBase
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from ..strings import (wrap_text, html2text, add_anchor, strip_dollars,
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strip_files_prefix, get_lines, comment_lines, ipython2python, posix_path,
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add_prompts
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)
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#-----------------------------------------------------------------------------
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# Class
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#-----------------------------------------------------------------------------
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class TestStrings(TestsBase):
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def test_wrap_text(self):
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"""wrap_text test"""
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test_text = """
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Tush! never tell me; I take it much unkindly
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That thou, Iago, who hast had my purse
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As if the strings were thine, shouldst know of this.
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"""
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for length in [30,5,1]:
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self._confirm_wrap_text(test_text, length)
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def _confirm_wrap_text(self, text, length):
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for line in wrap_text(text, length).split('\n'):
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assert len(line) <= length
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def test_html2text(self):
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"""html2text test"""
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#TODO: More tests
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self.assertEqual(html2text('<name>joe</name>'), 'joe')
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def test_add_anchor(self):
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"""add_anchor test"""
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#TODO: More tests
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results = add_anchor('<b>Hello World!</b>')
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assert 'Hello World!' in results
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assert 'id="' in results
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assert 'class="anchor-link"' in results
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assert '<b' in results
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assert '</b>' in results
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def test_add_anchor_fail(self):
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"""add_anchor does nothing when it fails"""
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html = '<h1>Hello <br>World!</h1>'
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results = add_anchor(html)
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self.assertEqual(html, results)
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def test_strip_dollars(self):
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"""strip_dollars test"""
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tests = [
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('', ''),
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('$$', ''),
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('$H$', 'H'),
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('$He', 'He'),
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('H$el', 'H$el'),
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('Hell$', 'Hell'),
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('Hello', 'Hello'),
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('W$o$rld', 'W$o$rld')]
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for test in tests:
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self._try_strip_dollars(test[0], test[1])
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def _try_strip_dollars(self, test, result):
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self.assertEqual(strip_dollars(test), result)
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def test_strip_files_prefix(self):
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"""strip_files_prefix test"""
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tests = [
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('', ''),
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('/files', '/files'),
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('test="/files"', 'test="/files"'),
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('My files are in `files/`', 'My files are in `files/`'),
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('<a href="files/test.html">files/test.html</a>', '<a href="test.html">files/test.html</a>'),
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('<a href="/files/test.html">files/test.html</a>', '<a href="test.html">files/test.html</a>'),
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("<a href='files/test.html'>files/test.html</a>", "<a href='test.html'>files/test.html</a>"),
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('<img src="files/url/location.gif">', '<img src="url/location.gif">'),
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('<img src="/files/url/location.gif">', '<img src="url/location.gif">'),
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('hello![caption]', 'hello![caption]'),
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('hello', 'hello'),
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('hello', 'hello'),
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('hello', 'hello'),
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('hello', 'hello'),
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('hello', 'hello'),
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('hello [text](/files/url/location.gif)', 'hello [text](url/location.gif)'),
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('hello [text space](files/url/location.gif)', 'hello [text space](url/location.gif)'),
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]
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for test in tests:
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self._try_files_prefix(test[0], test[1])
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def _try_files_prefix(self, test, result):
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self.assertEqual(strip_files_prefix(test), result)
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def test_comment_lines(self):
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"""comment_lines test"""
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for line in comment_lines('hello\nworld\n!').split('\n'):
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assert line.startswith('# ')
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for line in comment_lines('hello\nworld\n!', 'beep').split('\n'):
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assert line.startswith('beep')
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def test_get_lines(self):
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"""get_lines test"""
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text = "hello\nworld\n!"
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self.assertEqual(get_lines(text, start=1), "world\n!")
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self.assertEqual(get_lines(text, end=2), "hello\nworld")
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self.assertEqual(get_lines(text, start=2, end=5), "!")
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self.assertEqual(get_lines(text, start=-2), "world\n!")
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def test_ipython2python(self):
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"""ipython2python test"""
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#TODO: More tests
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results = ipython2python(u'%%pylab\nprint("Hello-World")').replace("u'", "'")
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self.fuzzy_compare(results, u"get_ipython().run_cell_magic('pylab', '', 'print(\"Hello-World\")')",
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ignore_spaces=True, ignore_newlines=True)
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def test_posix_path(self):
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"""posix_path test"""
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path_list = ['foo', 'bar']
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expected = '/'.join(path_list)
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native = os.path.join(*path_list)
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filtered = posix_path(native)
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self.assertEqual(filtered, expected)
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def test_add_prompts(self):
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"""add_prompts test"""
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text1 = """for i in range(10):\n i += 1\n print i"""
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text2 = """>>> for i in range(10):\n... i += 1\n... print i"""
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self.assertEqual(text2, add_prompts(text1))
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