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132 lines
3.5 KiB
Python
132 lines
3.5 KiB
Python
# -- coding: utf-8 --
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from __future__ import unicode_literals
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from django.test import TestCase
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from django.utils.encoding import python_2_unicode_compatible
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from rest_framework.compat import apply_markdown
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from rest_framework.utils.formatting import dedent
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from rest_framework.views import APIView
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# We check that docstrings get nicely un-indented.
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DESCRIPTION = """an example docstring
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====================
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* list
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* list
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another header
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--------------
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code block
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indented
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# hash style header #"""
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# If markdown is installed we also test it's working
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# (and that our wrapped forces '=' to h2 and '-' to h3)
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# We support markdown < 2.1 and markdown >= 2.1
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MARKED_DOWN_lt_21 = """<h2>an example docstring</h2>
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<ul>
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<li>list</li>
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<li>list</li>
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</ul>
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<h3>another header</h3>
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<pre><code>code block
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</code></pre>
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<p>indented</p>
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<h2 id="hash_style_header">hash style header</h2>"""
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MARKED_DOWN_gte_21 = """<h2 id="an-example-docstring">an example docstring</h2>
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<ul>
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<li>list</li>
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<li>list</li>
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</ul>
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<h3 id="another-header">another header</h3>
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<pre><code>code block
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</code></pre>
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<p>indented</p>
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<h2 id="hash-style-header">hash style header</h2>"""
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class TestViewNamesAndDescriptions(TestCase):
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def test_view_name_uses_class_name(self):
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"""
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Ensure view names are based on the class name.
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"""
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class MockView(APIView):
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pass
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assert MockView().get_view_name() == 'Mock'
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def test_view_description_uses_docstring(self):
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"""Ensure view descriptions are based on the docstring."""
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class MockView(APIView):
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"""an example docstring
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====================
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* list
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* list
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another header
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--------------
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code block
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indented
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# hash style header #"""
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assert MockView().get_view_description() == DESCRIPTION
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def test_view_description_can_be_empty(self):
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"""
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Ensure that if a view has no docstring,
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then it's description is the empty string.
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"""
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class MockView(APIView):
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pass
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assert MockView().get_view_description() == ''
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def test_view_description_can_be_promise(self):
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"""
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Ensure a view may have a docstring that is actually a lazily evaluated
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class that can be converted to a string.
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See: https://github.com/tomchristie/django-rest-framework/issues/1708
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"""
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# use a mock object instead of gettext_lazy to ensure that we can't end
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# up with a test case string in our l10n catalog
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@python_2_unicode_compatible
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class MockLazyStr(object):
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def __init__(self, string):
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self.s = string
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def __str__(self):
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return self.s
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class MockView(APIView):
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__doc__ = MockLazyStr("a gettext string")
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assert MockView().get_view_description() == 'a gettext string'
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def test_markdown(self):
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"""
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Ensure markdown to HTML works as expected.
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"""
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if apply_markdown:
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gte_21_match = apply_markdown(DESCRIPTION) == MARKED_DOWN_gte_21
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lt_21_match = apply_markdown(DESCRIPTION) == MARKED_DOWN_lt_21
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assert gte_21_match or lt_21_match
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def test_dedent_tabs():
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result = 'first string\n\nsecond string'
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assert dedent(" first string\n\n second string") == result
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assert dedent("first string\n\n second string") == result
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assert dedent("\tfirst string\n\n\tsecond string") == result
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assert dedent("first string\n\n\tsecond string") == result
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