424 lines
15 KiB
Python
424 lines
15 KiB
Python
import os
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import sys
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import difflib
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import __builtin__
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import re
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import pydoc
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import inspect
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import keyword
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import unittest
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import xml.etree
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import test.test_support
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from collections import namedtuple
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from test.script_helper import assert_python_ok
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from test.test_support import (
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TESTFN, rmtree, reap_children, captured_stdout)
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from test import pydoc_mod
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if test.test_support.HAVE_DOCSTRINGS:
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expected_data_docstrings = (
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'dictionary for instance variables (if defined)',
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'list of weak references to the object (if defined)',
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)
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else:
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expected_data_docstrings = ('', '')
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expected_text_pattern = \
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"""
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NAME
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test.pydoc_mod - This is a test module for test_pydoc
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FILE
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%s
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%s
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CLASSES
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__builtin__.object
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B
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A
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\x20\x20\x20\x20
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class A
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| Hello and goodbye
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|\x20\x20
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| Methods defined here:
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|\x20\x20
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| __init__()
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| Wow, I have no function!
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\x20\x20\x20\x20
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class B(__builtin__.object)
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| Data descriptors defined here:
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|\x20\x20
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| __dict__%s
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|\x20\x20
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| __weakref__%s
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|\x20\x20
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| ----------------------------------------------------------------------
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| Data and other attributes defined here:
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|\x20\x20
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| NO_MEANING = 'eggs'
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FUNCTIONS
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doc_func()
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This function solves all of the world's problems:
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hunger
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lack of Python
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war
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\x20\x20\x20\x20
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nodoc_func()
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DATA
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__author__ = 'Benjamin Peterson'
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__credits__ = 'Nobody'
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__version__ = '1.2.3.4'
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VERSION
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1.2.3.4
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AUTHOR
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Benjamin Peterson
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CREDITS
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Nobody
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""".strip()
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expected_text_data_docstrings = tuple('\n | ' + s if s else ''
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for s in expected_data_docstrings)
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expected_html_pattern = \
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"""
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="heading">
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<tr bgcolor="#7799ee">
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<td valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a href="test.html"><font color="#ffffff">test</font></a>.pydoc_mod</strong></big></big> (version 1.2.3.4)</font></td
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><td align=right valign=bottom
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><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:%s">%s</a>%s</font></td></tr></table>
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<p><tt>This is a test module for test_pydoc</tt></p>
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<p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#ee77aa">
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<td colspan=3 valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td>
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<td width="100%%"><dl>
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<dt><font face="helvetica, arial"><a href="__builtin__.html#object">__builtin__.object</a>
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</font></dt><dd>
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<dl>
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<dt><font face="helvetica, arial"><a href="test.pydoc_mod.html#B">B</a>
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</font></dt></dl>
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</dd>
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<dt><font face="helvetica, arial"><a href="test.pydoc_mod.html#A">A</a>
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</font></dt></dl>
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<p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#ffc8d8">
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<td colspan=3 valign=bottom> <br>
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<font color="#000000" face="helvetica, arial"><a name="A">class <strong>A</strong></a></font></td></tr>
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\x20\x20\x20\x20
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<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
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<td colspan=2><tt>Hello and goodbye<br> </tt></td></tr>
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<tr><td> </td>
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<td width="100%%">Methods defined here:<br>
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<dl><dt><a name="A-__init__"><strong>__init__</strong></a>()</dt><dd><tt>Wow, I have no function!</tt></dd></dl>
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</td></tr></table> <p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#ffc8d8">
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<td colspan=3 valign=bottom> <br>
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<font color="#000000" face="helvetica, arial"><a name="B">class <strong>B</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
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<td width="100%%">Data descriptors defined here:<br>
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<dl><dt><strong>__dict__</strong></dt>
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<dd><tt>%s</tt></dd>
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</dl>
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<dl><dt><strong>__weakref__</strong></dt>
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<dd><tt>%s</tt></dd>
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</dl>
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<hr>
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Data and other attributes defined here:<br>
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<dl><dt><strong>NO_MEANING</strong> = 'eggs'</dl>
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</td></tr></table></td></tr></table><p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#eeaa77">
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<td colspan=3 valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#eeaa77"><tt> </tt></td><td> </td>
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<td width="100%%"><dl><dt><a name="-doc_func"><strong>doc_func</strong></a>()</dt><dd><tt>This function solves all of the world's problems:<br>
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hunger<br>
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lack of Python<br>
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war</tt></dd></dl>
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<dl><dt><a name="-nodoc_func"><strong>nodoc_func</strong></a>()</dt></dl>
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</td></tr></table><p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#55aa55">
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<td colspan=3 valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td>
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<td width="100%%"><strong>__author__</strong> = 'Benjamin Peterson'<br>
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<strong>__credits__</strong> = 'Nobody'<br>
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<strong>__version__</strong> = '1.2.3.4'</td></tr></table><p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#7799ee">
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<td colspan=3 valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Author</strong></big></font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#7799ee"><tt> </tt></td><td> </td>
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<td width="100%%">Benjamin Peterson</td></tr></table><p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#7799ee">
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<td colspan=3 valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Credits</strong></big></font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#7799ee"><tt> </tt></td><td> </td>
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<td width="100%%">Nobody</td></tr></table>
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""".strip()
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expected_html_data_docstrings = tuple(s.replace(' ', ' ')
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for s in expected_data_docstrings)
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# output pattern for missing module
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missing_pattern = "no Python documentation found for '%s'"
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# output pattern for module with bad imports
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badimport_pattern = "problem in %s - <type 'exceptions.ImportError'>: No module named %s"
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def run_pydoc(module_name, *args, **env):
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"""
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Runs pydoc on the specified module. Returns the stripped
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output of pydoc.
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"""
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args = args + (module_name,)
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# do not write bytecode files to avoid caching errors
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rc, out, err = assert_python_ok('-B', pydoc.__file__, *args, **env)
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return out.strip()
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def get_pydoc_html(module):
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"Returns pydoc generated output as html"
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doc = pydoc.HTMLDoc()
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output = doc.docmodule(module)
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loc = doc.getdocloc(pydoc_mod) or ""
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if loc:
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loc = "<br><a href=\"" + loc + "\">Module Docs</a>"
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return output.strip(), loc
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def get_pydoc_text(module):
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"Returns pydoc generated output as text"
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doc = pydoc.TextDoc()
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loc = doc.getdocloc(pydoc_mod) or ""
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if loc:
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loc = "\nMODULE DOCS\n " + loc + "\n"
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output = doc.docmodule(module)
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# cleanup the extra text formatting that pydoc preforms
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patt = re.compile('\b.')
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output = patt.sub('', output)
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return output.strip(), loc
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def print_diffs(text1, text2):
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"Prints unified diffs for two texts"
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lines1 = text1.splitlines(True)
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lines2 = text2.splitlines(True)
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diffs = difflib.unified_diff(lines1, lines2, n=0, fromfile='expected',
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tofile='got')
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print '\n' + ''.join(diffs)
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class PyDocDocTest(unittest.TestCase):
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@unittest.skipIf(sys.flags.optimize >= 2,
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"Docstrings are omitted with -O2 and above")
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def test_html_doc(self):
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result, doc_loc = get_pydoc_html(pydoc_mod)
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mod_file = inspect.getabsfile(pydoc_mod)
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if sys.platform == 'win32':
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import nturl2path
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mod_url = nturl2path.pathname2url(mod_file)
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else:
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mod_url = mod_file
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expected_html = expected_html_pattern % (
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(mod_url, mod_file, doc_loc) +
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expected_html_data_docstrings)
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if result != expected_html:
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print_diffs(expected_html, result)
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self.fail("outputs are not equal, see diff above")
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@unittest.skipIf(sys.flags.optimize >= 2,
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"Docstrings are omitted with -O2 and above")
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def test_text_doc(self):
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result, doc_loc = get_pydoc_text(pydoc_mod)
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expected_text = expected_text_pattern % (
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(inspect.getabsfile(pydoc_mod), doc_loc) +
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expected_text_data_docstrings)
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if result != expected_text:
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print_diffs(expected_text, result)
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self.fail("outputs are not equal, see diff above")
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def test_issue8225(self):
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# Test issue8225 to ensure no doc link appears for xml.etree
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result, doc_loc = get_pydoc_text(xml.etree)
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self.assertEqual(doc_loc, "", "MODULE DOCS incorrectly includes a link")
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def test_non_str_name(self):
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# issue14638
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# Treat illegal (non-str) name like no name
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class A:
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__name__ = 42
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class B:
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pass
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adoc = pydoc.render_doc(A())
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bdoc = pydoc.render_doc(B())
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self.assertEqual(adoc.replace("A", "B"), bdoc)
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def test_not_here(self):
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missing_module = "test.i_am_not_here"
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result = run_pydoc(missing_module)
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expected = missing_pattern % missing_module
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self.assertEqual(expected, result,
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"documentation for missing module found")
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def test_input_strip(self):
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missing_module = " test.i_am_not_here "
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result = run_pydoc(missing_module)
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expected = missing_pattern % missing_module.strip()
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self.assertEqual(expected, result,
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"white space was not stripped from module name "
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"or other error output mismatch")
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def test_stripid(self):
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# test with strings, other implementations might have different repr()
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stripid = pydoc.stripid
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# strip the id
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self.assertEqual(stripid('<function stripid at 0x88dcee4>'),
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'<function stripid>')
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self.assertEqual(stripid('<function stripid at 0x01F65390>'),
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'<function stripid>')
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# nothing to strip, return the same text
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self.assertEqual(stripid('42'), '42')
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self.assertEqual(stripid("<type 'exceptions.Exception'>"),
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"<type 'exceptions.Exception'>")
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class PydocImportTest(unittest.TestCase):
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def setUp(self):
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self.test_dir = os.mkdir(TESTFN)
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self.addCleanup(rmtree, TESTFN)
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def test_badimport(self):
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# This tests the fix for issue 5230, where if pydoc found the module
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# but the module had an internal import error pydoc would report no doc
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# found.
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modname = 'testmod_xyzzy'
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testpairs = (
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('i_am_not_here', 'i_am_not_here'),
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('test.i_am_not_here_either', 'i_am_not_here_either'),
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('test.i_am_not_here.neither_am_i', 'i_am_not_here.neither_am_i'),
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('i_am_not_here.{}'.format(modname),
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'i_am_not_here.{}'.format(modname)),
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('test.{}'.format(modname), modname),
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)
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sourcefn = os.path.join(TESTFN, modname) + os.extsep + "py"
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for importstring, expectedinmsg in testpairs:
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with open(sourcefn, 'w') as f:
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f.write("import {}\n".format(importstring))
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result = run_pydoc(modname, PYTHONPATH=TESTFN)
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expected = badimport_pattern % (modname, expectedinmsg)
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self.assertEqual(expected, result)
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def test_apropos_with_bad_package(self):
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# Issue 7425 - pydoc -k failed when bad package on path
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pkgdir = os.path.join(TESTFN, "syntaxerr")
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os.mkdir(pkgdir)
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badsyntax = os.path.join(pkgdir, "__init__") + os.extsep + "py"
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with open(badsyntax, 'w') as f:
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f.write("invalid python syntax = $1\n")
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result = run_pydoc('zqwykjv', '-k', PYTHONPATH=TESTFN)
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self.assertEqual('', result)
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def test_apropos_with_unreadable_dir(self):
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# Issue 7367 - pydoc -k failed when unreadable dir on path
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self.unreadable_dir = os.path.join(TESTFN, "unreadable")
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os.mkdir(self.unreadable_dir, 0)
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self.addCleanup(os.rmdir, self.unreadable_dir)
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# Note, on Windows the directory appears to be still
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# readable so this is not really testing the issue there
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result = run_pydoc('zqwykjv', '-k', PYTHONPATH=TESTFN)
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self.assertEqual('', result)
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class TestDescriptions(unittest.TestCase):
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def test_module(self):
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# Check that pydocfodder module can be described
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from test import pydocfodder
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doc = pydoc.render_doc(pydocfodder)
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self.assertIn("pydocfodder", doc)
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def test_classic_class(self):
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class C: "Classic class"
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c = C()
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self.assertEqual(pydoc.describe(C), 'class C')
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self.assertEqual(pydoc.describe(c), 'instance of C')
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expected = 'instance of C in module %s' % __name__
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self.assertIn(expected, pydoc.render_doc(c))
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def test_class(self):
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class C(object): "New-style class"
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c = C()
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self.assertEqual(pydoc.describe(C), 'class C')
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self.assertEqual(pydoc.describe(c), 'C')
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expected = 'C in module %s object' % __name__
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self.assertIn(expected, pydoc.render_doc(c))
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def test_namedtuple_public_underscore(self):
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NT = namedtuple('NT', ['abc', 'def'], rename=True)
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with captured_stdout() as help_io:
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help(NT)
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helptext = help_io.getvalue()
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self.assertIn('_1', helptext)
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self.assertIn('_replace', helptext)
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self.assertIn('_asdict', helptext)
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class TestHelper(unittest.TestCase):
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def test_keywords(self):
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self.assertEqual(sorted(pydoc.Helper.keywords),
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sorted(keyword.kwlist))
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def test_builtin(self):
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for name in ('str', 'str.translate', '__builtin__.str',
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'__builtin__.str.translate'):
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# test low-level function
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self.assertIsNotNone(pydoc.locate(name))
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# test high-level function
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try:
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pydoc.render_doc(name)
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except ImportError:
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self.fail('finding the doc of {!r} failed'.format(o))
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for name in ('not__builtin__', 'strrr', 'strr.translate',
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'str.trrrranslate', '__builtin__.strrr',
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'__builtin__.str.trrranslate'):
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self.assertIsNone(pydoc.locate(name))
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self.assertRaises(ImportError, pydoc.render_doc, name)
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def test_main():
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try:
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test.test_support.run_unittest(PyDocDocTest,
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PydocImportTest,
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TestDescriptions,
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TestHelper)
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finally:
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reap_children()
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if __name__ == "__main__":
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test_main()
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