mirror of https://github.com/python/cpython
473 lines
17 KiB
Python
473 lines
17 KiB
Python
import os
|
|
import sys
|
|
import difflib
|
|
import inspect
|
|
import pydoc
|
|
import re
|
|
import string
|
|
import subprocess
|
|
import test.support
|
|
import time
|
|
import unittest
|
|
import xml.etree
|
|
import textwrap
|
|
from io import StringIO
|
|
from contextlib import contextmanager
|
|
from test.support import TESTFN, forget, rmtree, EnvironmentVarGuard, \
|
|
reap_children, captured_output
|
|
|
|
from test import pydoc_mod
|
|
|
|
# Just in case sys.modules["test"] has the optional attribute __loader__.
|
|
if hasattr(pydoc_mod, "__loader__"):
|
|
del pydoc_mod.__loader__
|
|
|
|
expected_text_pattern = """
|
|
NAME
|
|
test.pydoc_mod - This is a test module for test_pydoc
|
|
%s
|
|
CLASSES
|
|
builtins.object
|
|
A
|
|
B
|
|
\x20\x20\x20\x20
|
|
class A(builtins.object)
|
|
| Hello and goodbye
|
|
|\x20\x20
|
|
| Methods defined here:
|
|
|\x20\x20
|
|
| __init__()
|
|
| Wow, I have no function!
|
|
|\x20\x20
|
|
| ----------------------------------------------------------------------
|
|
| Data descriptors defined here:
|
|
|\x20\x20
|
|
| __dict__
|
|
| dictionary for instance variables (if defined)
|
|
|\x20\x20
|
|
| __weakref__
|
|
| list of weak references to the object (if defined)
|
|
\x20\x20\x20\x20
|
|
class B(builtins.object)
|
|
| Data descriptors defined here:
|
|
|\x20\x20
|
|
| __dict__
|
|
| dictionary for instance variables (if defined)
|
|
|\x20\x20
|
|
| __weakref__
|
|
| list of weak references to the object (if defined)
|
|
|\x20\x20
|
|
| ----------------------------------------------------------------------
|
|
| Data and other attributes defined here:
|
|
|\x20\x20
|
|
| NO_MEANING = 'eggs'
|
|
|
|
FUNCTIONS
|
|
doc_func()
|
|
This function solves all of the world's problems:
|
|
hunger
|
|
lack of Python
|
|
war
|
|
\x20\x20\x20\x20
|
|
nodoc_func()
|
|
|
|
DATA
|
|
__xyz__ = 'X, Y and Z'
|
|
|
|
VERSION
|
|
1.2.3.4
|
|
|
|
AUTHOR
|
|
Benjamin Peterson
|
|
|
|
CREDITS
|
|
Nobody
|
|
|
|
FILE
|
|
%s
|
|
""".strip()
|
|
|
|
expected_html_pattern = """
|
|
<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="heading">
|
|
<tr bgcolor="#7799ee">
|
|
<td valign=bottom> <br>
|
|
<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
|
|
><td align=right valign=bottom
|
|
><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:%s">%s</a>%s</font></td></tr></table>
|
|
<p><tt>This is a test module for test_pydoc</tt></p>
|
|
<p>
|
|
<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
|
|
<tr bgcolor="#ee77aa">
|
|
<td colspan=3 valign=bottom> <br>
|
|
<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
|
|
\x20\x20\x20\x20
|
|
<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td>
|
|
<td width="100%%"><dl>
|
|
<dt><font face="helvetica, arial"><a href="builtins.html#object">builtins.object</a>
|
|
</font></dt><dd>
|
|
<dl>
|
|
<dt><font face="helvetica, arial"><a href="test.pydoc_mod.html#A">A</a>
|
|
</font></dt><dt><font face="helvetica, arial"><a href="test.pydoc_mod.html#B">B</a>
|
|
</font></dt></dl>
|
|
</dd>
|
|
</dl>
|
|
<p>
|
|
<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
|
|
<tr bgcolor="#ffc8d8">
|
|
<td colspan=3 valign=bottom> <br>
|
|
<font color="#000000" face="helvetica, arial"><a name="A">class <strong>A</strong></a>(<a href="builtins.html#object">builtins.object</a>)</font></td></tr>
|
|
\x20\x20\x20\x20
|
|
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
|
|
<td colspan=2><tt>Hello and goodbye<br> </tt></td></tr>
|
|
<tr><td> </td>
|
|
<td width="100%%">Methods defined here:<br>
|
|
<dl><dt><a name="A-__init__"><strong>__init__</strong></a>()</dt><dd><tt>Wow, I have no function!</tt></dd></dl>
|
|
|
|
<hr>
|
|
Data descriptors defined here:<br>
|
|
<dl><dt><strong>__dict__</strong></dt>
|
|
<dd><tt>dictionary for instance variables (if defined)</tt></dd>
|
|
</dl>
|
|
<dl><dt><strong>__weakref__</strong></dt>
|
|
<dd><tt>list of weak references to the object (if defined)</tt></dd>
|
|
</dl>
|
|
</td></tr></table> <p>
|
|
<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
|
|
<tr bgcolor="#ffc8d8">
|
|
<td colspan=3 valign=bottom> <br>
|
|
<font color="#000000" face="helvetica, arial"><a name="B">class <strong>B</strong></a>(<a href="builtins.html#object">builtins.object</a>)</font></td></tr>
|
|
\x20\x20\x20\x20
|
|
<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
|
|
<td width="100%%">Data descriptors defined here:<br>
|
|
<dl><dt><strong>__dict__</strong></dt>
|
|
<dd><tt>dictionary for instance variables (if defined)</tt></dd>
|
|
</dl>
|
|
<dl><dt><strong>__weakref__</strong></dt>
|
|
<dd><tt>list of weak references to the object (if defined)</tt></dd>
|
|
</dl>
|
|
<hr>
|
|
Data and other attributes defined here:<br>
|
|
<dl><dt><strong>NO_MEANING</strong> = 'eggs'</dl>
|
|
|
|
</td></tr></table></td></tr></table><p>
|
|
<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
|
|
<tr bgcolor="#eeaa77">
|
|
<td colspan=3 valign=bottom> <br>
|
|
<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
|
|
\x20\x20\x20\x20
|
|
<tr><td bgcolor="#eeaa77"><tt> </tt></td><td> </td>
|
|
<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>
|
|
hunger<br>
|
|
lack of Python<br>
|
|
war</tt></dd></dl>
|
|
<dl><dt><a name="-nodoc_func"><strong>nodoc_func</strong></a>()</dt></dl>
|
|
</td></tr></table><p>
|
|
<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
|
|
<tr bgcolor="#55aa55">
|
|
<td colspan=3 valign=bottom> <br>
|
|
<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr>
|
|
\x20\x20\x20\x20
|
|
<tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td>
|
|
<td width="100%%"><strong>__xyz__</strong> = 'X, Y and Z'</td></tr></table><p>
|
|
<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
|
|
<tr bgcolor="#7799ee">
|
|
<td colspan=3 valign=bottom> <br>
|
|
<font color="#ffffff" face="helvetica, arial"><big><strong>Author</strong></big></font></td></tr>
|
|
\x20\x20\x20\x20
|
|
<tr><td bgcolor="#7799ee"><tt> </tt></td><td> </td>
|
|
<td width="100%%">Benjamin Peterson</td></tr></table><p>
|
|
<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
|
|
<tr bgcolor="#7799ee">
|
|
<td colspan=3 valign=bottom> <br>
|
|
<font color="#ffffff" face="helvetica, arial"><big><strong>Credits</strong></big></font></td></tr>
|
|
\x20\x20\x20\x20
|
|
<tr><td bgcolor="#7799ee"><tt> </tt></td><td> </td>
|
|
<td width="100%%">Nobody</td></tr></table>
|
|
""".strip() # ' <- emacs turd
|
|
|
|
|
|
# output pattern for missing module
|
|
missing_pattern = "no Python documentation found for '%s'"
|
|
|
|
# output pattern for module with bad imports
|
|
badimport_pattern = "problem in %s - ImportError: No module named %s"
|
|
|
|
def run_pydoc(module_name, *args):
|
|
"""
|
|
Runs pydoc on the specified module. Returns the stripped
|
|
output of pydoc.
|
|
"""
|
|
cmd = [sys.executable, pydoc.__file__, " ".join(args), module_name]
|
|
try:
|
|
output = subprocess.Popen(cmd, stdout=subprocess.PIPE).communicate()[0]
|
|
return output.strip()
|
|
finally:
|
|
reap_children()
|
|
|
|
def get_pydoc_html(module):
|
|
"Returns pydoc generated output as html"
|
|
doc = pydoc.HTMLDoc()
|
|
output = doc.docmodule(module)
|
|
loc = doc.getdocloc(pydoc_mod) or ""
|
|
if loc:
|
|
loc = "<br><a href=\"" + loc + "\">Module Docs</a>"
|
|
return output.strip(), loc
|
|
|
|
def get_pydoc_text(module):
|
|
"Returns pydoc generated output as text"
|
|
doc = pydoc.TextDoc()
|
|
loc = doc.getdocloc(pydoc_mod) or ""
|
|
if loc:
|
|
loc = "\nMODULE DOCS\n " + loc + "\n"
|
|
|
|
output = doc.docmodule(module)
|
|
|
|
# clean up the extra text formatting that pydoc performs
|
|
patt = re.compile('\b.')
|
|
output = patt.sub('', output)
|
|
return output.strip(), loc
|
|
|
|
def print_diffs(text1, text2):
|
|
"Prints unified diffs for two texts"
|
|
# XXX now obsolete, use unittest built-in support
|
|
lines1 = text1.splitlines(True)
|
|
lines2 = text2.splitlines(True)
|
|
diffs = difflib.unified_diff(lines1, lines2, n=0, fromfile='expected',
|
|
tofile='got')
|
|
print('\n' + ''.join(diffs))
|
|
|
|
def get_html_title(text):
|
|
# Bit of hack, but good enough for test purposes
|
|
header, _, _ = text.partition("</head>")
|
|
_, _, title = header.partition("<title>")
|
|
title, _, _ = title.partition("</title>")
|
|
return title
|
|
|
|
|
|
class PydocDocTest(unittest.TestCase):
|
|
|
|
@unittest.skipIf(sys.flags.optimize >= 2,
|
|
"Docstrings are omitted with -O2 and above")
|
|
@unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
|
|
'trace function introduces __locals__ unexpectedly')
|
|
def test_html_doc(self):
|
|
result, doc_loc = get_pydoc_html(pydoc_mod)
|
|
mod_file = inspect.getabsfile(pydoc_mod)
|
|
if sys.platform == 'win32':
|
|
import nturl2path
|
|
mod_url = nturl2path.pathname2url(mod_file)
|
|
else:
|
|
mod_url = mod_file
|
|
expected_html = expected_html_pattern % (mod_url, mod_file, doc_loc)
|
|
if result != expected_html:
|
|
print_diffs(expected_html, result)
|
|
self.fail("outputs are not equal, see diff above")
|
|
|
|
@unittest.skipIf(sys.flags.optimize >= 2,
|
|
"Docstrings are omitted with -O2 and above")
|
|
@unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
|
|
'trace function introduces __locals__ unexpectedly')
|
|
def test_text_doc(self):
|
|
result, doc_loc = get_pydoc_text(pydoc_mod)
|
|
expected_text = expected_text_pattern % \
|
|
(doc_loc, inspect.getabsfile(pydoc_mod))
|
|
if result != expected_text:
|
|
print_diffs(expected_text, result)
|
|
self.fail("outputs are not equal, see diff above")
|
|
|
|
def test_issue8225(self):
|
|
# Test issue8225 to ensure no doc link appears for xml.etree
|
|
result, doc_loc = get_pydoc_text(xml.etree)
|
|
self.assertEqual(doc_loc, "", "MODULE DOCS incorrectly includes a link")
|
|
|
|
def test_not_here(self):
|
|
missing_module = "test.i_am_not_here"
|
|
result = str(run_pydoc(missing_module), 'ascii')
|
|
expected = missing_pattern % missing_module
|
|
self.assertEqual(expected, result,
|
|
"documentation for missing module found")
|
|
|
|
def test_badimport(self):
|
|
# This tests the fix for issue 5230, where if pydoc found the module
|
|
# but the module had an internal import error pydoc would report no doc
|
|
# found.
|
|
modname = 'testmod_xyzzy'
|
|
testpairs = (
|
|
('i_am_not_here', 'i_am_not_here'),
|
|
('test.i_am_not_here_either', 'i_am_not_here_either'),
|
|
('test.i_am_not_here.neither_am_i', 'i_am_not_here.neither_am_i'),
|
|
('i_am_not_here.{}'.format(modname),
|
|
'i_am_not_here.{}'.format(modname)),
|
|
('test.{}'.format(modname), modname),
|
|
)
|
|
|
|
@contextmanager
|
|
def newdirinpath(dir):
|
|
os.mkdir(dir)
|
|
sys.path.insert(0, dir)
|
|
yield
|
|
sys.path.pop(0)
|
|
rmtree(dir)
|
|
|
|
with newdirinpath(TESTFN), EnvironmentVarGuard() as env:
|
|
env['PYTHONPATH'] = TESTFN
|
|
fullmodname = os.path.join(TESTFN, modname)
|
|
sourcefn = fullmodname + os.extsep + "py"
|
|
for importstring, expectedinmsg in testpairs:
|
|
with open(sourcefn, 'w') as f:
|
|
f.write("import {}\n".format(importstring))
|
|
try:
|
|
result = run_pydoc(modname).decode("ascii")
|
|
finally:
|
|
forget(modname)
|
|
expected = badimport_pattern % (modname, expectedinmsg)
|
|
self.assertEqual(expected, result)
|
|
|
|
def test_input_strip(self):
|
|
missing_module = " test.i_am_not_here "
|
|
result = str(run_pydoc(missing_module), 'ascii')
|
|
expected = missing_pattern % missing_module.strip()
|
|
self.assertEqual(expected, result)
|
|
|
|
def test_stripid(self):
|
|
# test with strings, other implementations might have different repr()
|
|
stripid = pydoc.stripid
|
|
# strip the id
|
|
self.assertEqual(stripid('<function stripid at 0x88dcee4>'),
|
|
'<function stripid>')
|
|
self.assertEqual(stripid('<function stripid at 0x01F65390>'),
|
|
'<function stripid>')
|
|
# nothing to strip, return the same text
|
|
self.assertEqual(stripid('42'), '42')
|
|
self.assertEqual(stripid("<type 'exceptions.Exception'>"),
|
|
"<type 'exceptions.Exception'>")
|
|
|
|
@unittest.skipIf(sys.flags.optimize >= 2,
|
|
'Docstrings are omitted with -O2 and above')
|
|
@unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
|
|
'trace function introduces __locals__ unexpectedly')
|
|
def test_help_output_redirect(self):
|
|
# issue 940286, if output is set in Helper, then all output from
|
|
# Helper.help should be redirected
|
|
old_pattern = expected_text_pattern
|
|
getpager_old = pydoc.getpager
|
|
getpager_new = lambda: (lambda x: x)
|
|
self.maxDiff = None
|
|
|
|
buf = StringIO()
|
|
helper = pydoc.Helper(output=buf)
|
|
unused, doc_loc = get_pydoc_text(pydoc_mod)
|
|
module = "test.pydoc_mod"
|
|
help_header = """
|
|
Help on module test.pydoc_mod in test:
|
|
|
|
""".lstrip()
|
|
help_header = textwrap.dedent(help_header)
|
|
expected_help_pattern = help_header + expected_text_pattern
|
|
|
|
pydoc.getpager = getpager_new
|
|
try:
|
|
with captured_output('stdout') as output, \
|
|
captured_output('stderr') as err:
|
|
helper.help(module)
|
|
result = buf.getvalue().strip()
|
|
expected_text = expected_help_pattern % \
|
|
(doc_loc, inspect.getabsfile(pydoc_mod))
|
|
self.assertEqual('', output.getvalue())
|
|
self.assertEqual('', err.getvalue())
|
|
self.assertEqual(expected_text, result)
|
|
finally:
|
|
pydoc.getpager = getpager_old
|
|
|
|
|
|
class TestDescriptions(unittest.TestCase):
|
|
|
|
def test_module(self):
|
|
# Check that pydocfodder module can be described
|
|
from test import pydocfodder
|
|
doc = pydoc.render_doc(pydocfodder)
|
|
self.assertIn("pydocfodder", doc)
|
|
|
|
def test_class(self):
|
|
class C: "New-style class"
|
|
c = C()
|
|
|
|
self.assertEqual(pydoc.describe(C), 'class C')
|
|
self.assertEqual(pydoc.describe(c), 'C')
|
|
expected = 'C in module %s object' % __name__
|
|
self.assertIn(expected, pydoc.render_doc(c))
|
|
|
|
|
|
class PydocServerTest(unittest.TestCase):
|
|
"""Tests for pydoc._start_server"""
|
|
|
|
def test_server(self):
|
|
|
|
# Minimal test that starts the server, then stops it.
|
|
def my_url_handler(url, content_type):
|
|
text = 'the URL sent was: (%s, %s)' % (url, content_type)
|
|
return text
|
|
|
|
serverthread = pydoc._start_server(my_url_handler, port=0)
|
|
starttime = time.time()
|
|
timeout = 1 #seconds
|
|
|
|
while serverthread.serving:
|
|
time.sleep(.01)
|
|
if serverthread.serving and time.time() - starttime > timeout:
|
|
serverthread.stop()
|
|
break
|
|
|
|
self.assertEqual(serverthread.error, None)
|
|
|
|
|
|
class PydocUrlHandlerTest(unittest.TestCase):
|
|
"""Tests for pydoc._url_handler"""
|
|
|
|
def test_content_type_err(self):
|
|
f = pydoc._url_handler
|
|
self.assertRaises(TypeError, f, 'A', '')
|
|
self.assertRaises(TypeError, f, 'B', 'foobar')
|
|
|
|
def test_url_requests(self):
|
|
# Test for the correct title in the html pages returned.
|
|
# This tests the different parts of the URL handler without
|
|
# getting too picky about the exact html.
|
|
requests = [
|
|
("", "Pydoc: Index of Modules"),
|
|
("get?key=", "Pydoc: Index of Modules"),
|
|
("index", "Pydoc: Index of Modules"),
|
|
("topics", "Pydoc: Topics"),
|
|
("keywords", "Pydoc: Keywords"),
|
|
("pydoc", "Pydoc: module pydoc"),
|
|
("get?key=pydoc", "Pydoc: module pydoc"),
|
|
("search?key=pydoc", "Pydoc: Search Results"),
|
|
("topic?key=def", "Pydoc: KEYWORD def"),
|
|
("topic?key=STRINGS", "Pydoc: TOPIC STRINGS"),
|
|
("foobar", "Pydoc: Error - foobar"),
|
|
("getfile?key=foobar", "Pydoc: Error - getfile?key=foobar"),
|
|
]
|
|
|
|
for url, title in requests:
|
|
text = pydoc._url_handler(url, "text/html")
|
|
result = get_html_title(text)
|
|
self.assertEqual(result, title)
|
|
|
|
path = string.__file__
|
|
title = "Pydoc: getfile " + path
|
|
url = "getfile?key=" + path
|
|
text = pydoc._url_handler(url, "text/html")
|
|
result = get_html_title(text)
|
|
self.assertEqual(result, title)
|
|
|
|
|
|
def test_main():
|
|
test.support.run_unittest(PydocDocTest,
|
|
TestDescriptions,
|
|
PydocServerTest,
|
|
PydocUrlHandlerTest,
|
|
)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|