diff options
Diffstat (limited to 'Lib')
-rw-r--r-- | Lib/imaplib.py | 46 | ||||
-rw-r--r-- | Lib/test/test_bisect.py | 265 | ||||
-rw-r--r-- | Lib/test/test_heapq.py | 128 | ||||
-rw-r--r-- | Lib/test/test_mutex.py | 33 | ||||
-rw-r--r-- | Lib/test/test_operator.py | 38 | ||||
-rw-r--r-- | Lib/test/test_threading.py | 28 | ||||
-rw-r--r-- | Lib/threading.py | 9 |
7 files changed, 386 insertions, 161 deletions
diff --git a/Lib/imaplib.py b/Lib/imaplib.py index 57046d3..0d9704e 100644 --- a/Lib/imaplib.py +++ b/Lib/imaplib.py @@ -1151,6 +1151,52 @@ else: self.file = self.sock.makefile('rb') + def read(self, size): + """Read 'size' bytes from remote.""" + # sslobj.read() sometimes returns < size bytes + chunks = [] + read = 0 + while read < size: + data = self.sslobj.read(min(size-read, 16384)) + read += len(data) + chunks.append(data) + + return b''.join(chunks) + + + def readline(self): + """Read line from remote.""" + line = [] + while 1: + char = self.sslobj.read(1) + line.append(char) + if char == b"\n": return b''.join(line) + + + def send(self, data): + """Send data to remote.""" + bytes = len(data) + while bytes > 0: + sent = self.sslobj.write(data) + if sent == bytes: + break # avoid copy + data = data[sent:] + bytes = bytes - sent + + + def shutdown(self): + """Close I/O established in "open".""" + self.sock.close() + + + def socket(self): + """Return socket instance used to connect to IMAP4 server. + + socket = <instance>.socket() + """ + return self.sock + + def ssl(self): """Return SSLObject instance used to communicate with the IMAP4 server. diff --git a/Lib/test/test_bisect.py b/Lib/test/test_bisect.py index dc18a0e..11495ba 100644 --- a/Lib/test/test_bisect.py +++ b/Lib/test/test_bisect.py @@ -1,91 +1,113 @@ +import sys import unittest from test import test_support -from bisect import bisect_right, bisect_left, insort_left, insort_right, insort, bisect from collections import UserList -class TestBisect(unittest.TestCase): +# We do a bit of trickery here to be able to test both the C implementation +# and the Python implementation of the module. + +# Make it impossible to import the C implementation anymore. +sys.modules['_bisect'] = 0 +# We must also handle the case that bisect was imported before. +if 'bisect' in sys.modules: + del sys.modules['bisect'] + +# Now we can import the module and get the pure Python implementation. +import bisect as py_bisect + +# Restore everything to normal. +del sys.modules['_bisect'] +del sys.modules['bisect'] - precomputedCases = [ - (bisect_right, [], 1, 0), - (bisect_right, [1], 0, 0), - (bisect_right, [1], 1, 1), - (bisect_right, [1], 2, 1), - (bisect_right, [1, 1], 0, 0), - (bisect_right, [1, 1], 1, 2), - (bisect_right, [1, 1], 2, 2), - (bisect_right, [1, 1, 1], 0, 0), - (bisect_right, [1, 1, 1], 1, 3), - (bisect_right, [1, 1, 1], 2, 3), - (bisect_right, [1, 1, 1, 1], 0, 0), - (bisect_right, [1, 1, 1, 1], 1, 4), - (bisect_right, [1, 1, 1, 1], 2, 4), - (bisect_right, [1, 2], 0, 0), - (bisect_right, [1, 2], 1, 1), - (bisect_right, [1, 2], 1.5, 1), - (bisect_right, [1, 2], 2, 2), - (bisect_right, [1, 2], 3, 2), - (bisect_right, [1, 1, 2, 2], 0, 0), - (bisect_right, [1, 1, 2, 2], 1, 2), - (bisect_right, [1, 1, 2, 2], 1.5, 2), - (bisect_right, [1, 1, 2, 2], 2, 4), - (bisect_right, [1, 1, 2, 2], 3, 4), - (bisect_right, [1, 2, 3], 0, 0), - (bisect_right, [1, 2, 3], 1, 1), - (bisect_right, [1, 2, 3], 1.5, 1), - (bisect_right, [1, 2, 3], 2, 2), - (bisect_right, [1, 2, 3], 2.5, 2), - (bisect_right, [1, 2, 3], 3, 3), - (bisect_right, [1, 2, 3], 4, 3), - (bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 0, 0), - (bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 1, 1), - (bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 1.5, 1), - (bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 2, 3), - (bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 2.5, 3), - (bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 3, 6), - (bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 3.5, 6), - (bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 4, 10), - (bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 5, 10), - - (bisect_left, [], 1, 0), - (bisect_left, [1], 0, 0), - (bisect_left, [1], 1, 0), - (bisect_left, [1], 2, 1), - (bisect_left, [1, 1], 0, 0), - (bisect_left, [1, 1], 1, 0), - (bisect_left, [1, 1], 2, 2), - (bisect_left, [1, 1, 1], 0, 0), - (bisect_left, [1, 1, 1], 1, 0), - (bisect_left, [1, 1, 1], 2, 3), - (bisect_left, [1, 1, 1, 1], 0, 0), - (bisect_left, [1, 1, 1, 1], 1, 0), - (bisect_left, [1, 1, 1, 1], 2, 4), - (bisect_left, [1, 2], 0, 0), - (bisect_left, [1, 2], 1, 0), - (bisect_left, [1, 2], 1.5, 1), - (bisect_left, [1, 2], 2, 1), - (bisect_left, [1, 2], 3, 2), - (bisect_left, [1, 1, 2, 2], 0, 0), - (bisect_left, [1, 1, 2, 2], 1, 0), - (bisect_left, [1, 1, 2, 2], 1.5, 2), - (bisect_left, [1, 1, 2, 2], 2, 2), - (bisect_left, [1, 1, 2, 2], 3, 4), - (bisect_left, [1, 2, 3], 0, 0), - (bisect_left, [1, 2, 3], 1, 0), - (bisect_left, [1, 2, 3], 1.5, 1), - (bisect_left, [1, 2, 3], 2, 1), - (bisect_left, [1, 2, 3], 2.5, 2), - (bisect_left, [1, 2, 3], 3, 2), - (bisect_left, [1, 2, 3], 4, 3), - (bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 0, 0), - (bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 1, 0), - (bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 1.5, 1), - (bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 2, 1), - (bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 2.5, 3), - (bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 3, 3), - (bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 3.5, 6), - (bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 4, 6), - (bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 5, 10) - ] +# This is now the module with the C implementation. +import bisect as c_bisect + + +class TestBisect(unittest.TestCase): + module = None + + def setUp(self): + self.precomputedCases = [ + (self.module.bisect_right, [], 1, 0), + (self.module.bisect_right, [1], 0, 0), + (self.module.bisect_right, [1], 1, 1), + (self.module.bisect_right, [1], 2, 1), + (self.module.bisect_right, [1, 1], 0, 0), + (self.module.bisect_right, [1, 1], 1, 2), + (self.module.bisect_right, [1, 1], 2, 2), + (self.module.bisect_right, [1, 1, 1], 0, 0), + (self.module.bisect_right, [1, 1, 1], 1, 3), + (self.module.bisect_right, [1, 1, 1], 2, 3), + (self.module.bisect_right, [1, 1, 1, 1], 0, 0), + (self.module.bisect_right, [1, 1, 1, 1], 1, 4), + (self.module.bisect_right, [1, 1, 1, 1], 2, 4), + (self.module.bisect_right, [1, 2], 0, 0), + (self.module.bisect_right, [1, 2], 1, 1), + (self.module.bisect_right, [1, 2], 1.5, 1), + (self.module.bisect_right, [1, 2], 2, 2), + (self.module.bisect_right, [1, 2], 3, 2), + (self.module.bisect_right, [1, 1, 2, 2], 0, 0), + (self.module.bisect_right, [1, 1, 2, 2], 1, 2), + (self.module.bisect_right, [1, 1, 2, 2], 1.5, 2), + (self.module.bisect_right, [1, 1, 2, 2], 2, 4), + (self.module.bisect_right, [1, 1, 2, 2], 3, 4), + (self.module.bisect_right, [1, 2, 3], 0, 0), + (self.module.bisect_right, [1, 2, 3], 1, 1), + (self.module.bisect_right, [1, 2, 3], 1.5, 1), + (self.module.bisect_right, [1, 2, 3], 2, 2), + (self.module.bisect_right, [1, 2, 3], 2.5, 2), + (self.module.bisect_right, [1, 2, 3], 3, 3), + (self.module.bisect_right, [1, 2, 3], 4, 3), + (self.module.bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 0, 0), + (self.module.bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 1, 1), + (self.module.bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 1.5, 1), + (self.module.bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 2, 3), + (self.module.bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 2.5, 3), + (self.module.bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 3, 6), + (self.module.bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 3.5, 6), + (self.module.bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 4, 10), + (self.module.bisect_right, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 5, 10), + + (self.module.bisect_left, [], 1, 0), + (self.module.bisect_left, [1], 0, 0), + (self.module.bisect_left, [1], 1, 0), + (self.module.bisect_left, [1], 2, 1), + (self.module.bisect_left, [1, 1], 0, 0), + (self.module.bisect_left, [1, 1], 1, 0), + (self.module.bisect_left, [1, 1], 2, 2), + (self.module.bisect_left, [1, 1, 1], 0, 0), + (self.module.bisect_left, [1, 1, 1], 1, 0), + (self.module.bisect_left, [1, 1, 1], 2, 3), + (self.module.bisect_left, [1, 1, 1, 1], 0, 0), + (self.module.bisect_left, [1, 1, 1, 1], 1, 0), + (self.module.bisect_left, [1, 1, 1, 1], 2, 4), + (self.module.bisect_left, [1, 2], 0, 0), + (self.module.bisect_left, [1, 2], 1, 0), + (self.module.bisect_left, [1, 2], 1.5, 1), + (self.module.bisect_left, [1, 2], 2, 1), + (self.module.bisect_left, [1, 2], 3, 2), + (self.module.bisect_left, [1, 1, 2, 2], 0, 0), + (self.module.bisect_left, [1, 1, 2, 2], 1, 0), + (self.module.bisect_left, [1, 1, 2, 2], 1.5, 2), + (self.module.bisect_left, [1, 1, 2, 2], 2, 2), + (self.module.bisect_left, [1, 1, 2, 2], 3, 4), + (self.module.bisect_left, [1, 2, 3], 0, 0), + (self.module.bisect_left, [1, 2, 3], 1, 0), + (self.module.bisect_left, [1, 2, 3], 1.5, 1), + (self.module.bisect_left, [1, 2, 3], 2, 1), + (self.module.bisect_left, [1, 2, 3], 2.5, 2), + (self.module.bisect_left, [1, 2, 3], 3, 2), + (self.module.bisect_left, [1, 2, 3], 4, 3), + (self.module.bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 0, 0), + (self.module.bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 1, 0), + (self.module.bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 1.5, 1), + (self.module.bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 2, 1), + (self.module.bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 2.5, 3), + (self.module.bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 3, 3), + (self.module.bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 3.5, 6), + (self.module.bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 4, 6), + (self.module.bisect_left, [1, 2, 2, 3, 3, 3, 4, 4, 4, 4], 5, 10) + ] def test_precomputed(self): for func, data, elem, expected in self.precomputedCases: @@ -98,12 +120,12 @@ class TestBisect(unittest.TestCase): data = [randrange(0, n, 2) for j in range(i)] data.sort() elem = randrange(-1, n+1) - ip = bisect_left(data, elem) + ip = self.module.bisect_left(data, elem) if ip < len(data): self.failUnless(elem <= data[ip]) if ip > 0: self.failUnless(data[ip-1] < elem) - ip = bisect_right(data, elem) + ip = self.module.bisect_right(data, elem) if ip < len(data): self.failUnless(elem < data[ip]) if ip > 0: @@ -117,32 +139,39 @@ class TestBisect(unittest.TestCase): hi = min(len(data), hi) ip = func(data, elem, lo, hi) self.failUnless(lo <= ip <= hi) - if func is bisect_left and ip < hi: + if func is self.module.bisect_left and ip < hi: self.failUnless(elem <= data[ip]) - if func is bisect_left and ip > lo: + if func is self.module.bisect_left and ip > lo: self.failUnless(data[ip-1] < elem) - if func is bisect_right and ip < hi: + if func is self.module.bisect_right and ip < hi: self.failUnless(elem < data[ip]) - if func is bisect_right and ip > lo: + if func is self.module.bisect_right and ip > lo: self.failUnless(data[ip-1] <= elem) self.assertEqual(ip, max(lo, min(hi, expected))) def test_backcompatibility(self): - self.assertEqual(bisect, bisect_right) + self.assertEqual(self.module.bisect, self.module.bisect_right) def test_keyword_args(self): data = [10, 20, 30, 40, 50] - self.assertEqual(bisect_left(a=data, x=25, lo=1, hi=3), 2) - self.assertEqual(bisect_right(a=data, x=25, lo=1, hi=3), 2) - self.assertEqual(bisect(a=data, x=25, lo=1, hi=3), 2) - insort_left(a=data, x=25, lo=1, hi=3) - insort_right(a=data, x=25, lo=1, hi=3) - insort(a=data, x=25, lo=1, hi=3) + self.assertEqual(self.module.bisect_left(a=data, x=25, lo=1, hi=3), 2) + self.assertEqual(self.module.bisect_right(a=data, x=25, lo=1, hi=3), 2) + self.assertEqual(self.module.bisect(a=data, x=25, lo=1, hi=3), 2) + self.module.insort_left(a=data, x=25, lo=1, hi=3) + self.module.insort_right(a=data, x=25, lo=1, hi=3) + self.module.insort(a=data, x=25, lo=1, hi=3) self.assertEqual(data, [10, 20, 25, 25, 25, 30, 40, 50]) +class TestBisectPython(TestBisect): + module = py_bisect + +class TestBisectC(TestBisect): + module = c_bisect + #============================================================================== class TestInsort(unittest.TestCase): + module = None def test_vsBuiltinSort(self, n=500): from random import choice @@ -150,14 +179,20 @@ class TestInsort(unittest.TestCase): for i in range(n): digit = choice("0123456789") if digit in "02468": - f = insort_left + f = self.module.insort_left else: - f = insort_right + f = self.module.insort_right f(insorted, digit) self.assertEqual(sorted(insorted), insorted) def test_backcompatibility(self): - self.assertEqual(insort, insort_right) + self.assertEqual(self.module.insort, self.module.insort_right) + +class TestInsortPython(TestInsort): + module = py_bisect + +class TestInsortC(TestInsort): + module = c_bisect #============================================================================== @@ -183,32 +218,44 @@ class CmpErr: __ne__ = __lt__ class TestErrorHandling(unittest.TestCase): + module = None def test_non_sequence(self): - for f in (bisect_left, bisect_right, insort_left, insort_right): + for f in (self.module.bisect_left, self.module.bisect_right, + self.module.insort_left, self.module.insort_right): self.assertRaises(TypeError, f, 10, 10) def test_len_only(self): - for f in (bisect_left, bisect_right, insort_left, insort_right): + for f in (self.module.bisect_left, self.module.bisect_right, + self.module.insort_left, self.module.insort_right): self.assertRaises(TypeError, f, LenOnly(), 10) def test_get_only(self): - for f in (bisect_left, bisect_right, insort_left, insort_right): + for f in (self.module.bisect_left, self.module.bisect_right, + self.module.insort_left, self.module.insort_right): self.assertRaises(TypeError, f, GetOnly(), 10) def test_cmp_err(self): seq = [CmpErr(), CmpErr(), CmpErr()] - for f in (bisect_left, bisect_right, insort_left, insort_right): + for f in (self.module.bisect_left, self.module.bisect_right, + self.module.insort_left, self.module.insort_right): self.assertRaises(ZeroDivisionError, f, seq, 10) def test_arg_parsing(self): - for f in (bisect_left, bisect_right, insort_left, insort_right): + for f in (self.module.bisect_left, self.module.bisect_right, + self.module.insort_left, self.module.insort_right): self.assertRaises(TypeError, f, 10) +class TestErrorHandlingPython(TestErrorHandling): + module = py_bisect + +class TestErrorHandlingC(TestErrorHandling): + module = c_bisect + #============================================================================== libreftest = """ -Example from the Library Reference: Doc/lib/libbisect.tex +Example from the Library Reference: Doc/library/bisect.rst The bisect() function is generally useful for categorizing numeric data. This example uses bisect() to look up a letter grade for an exam total @@ -234,12 +281,10 @@ __test__ = {'libreftest' : libreftest} def test_main(verbose=None): from test import test_bisect - from types import BuiltinFunctionType - import sys - test_classes = [TestBisect, TestInsort] - if isinstance(bisect_left, BuiltinFunctionType): - test_classes.append(TestErrorHandling) + test_classes = [TestBisectPython, TestBisectC, + TestInsortPython, TestInsortC, + TestErrorHandlingPython, TestErrorHandlingC] test_support.run_unittest(*test_classes) test_support.run_doctest(test_bisect, verbose) diff --git a/Lib/test/test_heapq.py b/Lib/test/test_heapq.py index 62f9662..8ae1637 100644 --- a/Lib/test/test_heapq.py +++ b/Lib/test/test_heapq.py @@ -1,21 +1,32 @@ """Unittests for heapq.""" -from heapq import heappush, heappop, heapify, heapreplace, merge, nlargest, nsmallest import random import unittest from test import test_support import sys +# We do a bit of trickery here to be able to test both the C implementation +# and the Python implementation of the module. + +# Make it impossible to import the C implementation anymore. +sys.modules['_heapq'] = 0 +# We must also handle the case that heapq was imported before. +if 'heapq' in sys.modules: + del sys.modules['heapq'] + +# Now we can import the module and get the pure Python implementation. +import heapq as py_heapq + +# Restore everything to normal. +del sys.modules['_heapq'] +del sys.modules['heapq'] + +# This is now the module with the C implementation. +import heapq as c_heapq -def heapiter(heap): - # An iterator returning a heap's elements, smallest-first. - try: - while 1: - yield heappop(heap) - except IndexError: - pass class TestHeap(unittest.TestCase): + module = None def test_push_pop(self): # 1) Push 256 random numbers and pop them off, verifying all's OK. @@ -25,11 +36,11 @@ class TestHeap(unittest.TestCase): for i in range(256): item = random.random() data.append(item) - heappush(heap, item) + self.module.heappush(heap, item) self.check_invariant(heap) results = [] while heap: - item = heappop(heap) + item = self.module.heappop(heap) self.check_invariant(heap) results.append(item) data_sorted = data[:] @@ -38,10 +49,10 @@ class TestHeap(unittest.TestCase): # 2) Check that the invariant holds for a sorted array self.check_invariant(results) - self.assertRaises(TypeError, heappush, []) + self.assertRaises(TypeError, self.module.heappush, []) try: - self.assertRaises(TypeError, heappush, None, None) - self.assertRaises(TypeError, heappop, None) + self.assertRaises(TypeError, self.module.heappush, None, None) + self.assertRaises(TypeError, self.module.heappop, None) except AttributeError: pass @@ -55,21 +66,29 @@ class TestHeap(unittest.TestCase): def test_heapify(self): for size in range(30): heap = [random.random() for dummy in range(size)] - heapify(heap) + self.module.heapify(heap) self.check_invariant(heap) - self.assertRaises(TypeError, heapify, None) + self.assertRaises(TypeError, self.module.heapify, None) def test_naive_nbest(self): data = [random.randrange(2000) for i in range(1000)] heap = [] for item in data: - heappush(heap, item) + self.module.heappush(heap, item) if len(heap) > 10: - heappop(heap) + self.module.heappop(heap) heap.sort() self.assertEqual(heap, sorted(data)[-10:]) + def heapiter(self, heap): + # An iterator returning a heap's elements, smallest-first. + try: + while 1: + yield self.module.heappop(heap) + except IndexError: + pass + def test_nbest(self): # Less-naive "N-best" algorithm, much faster (if len(data) is big # enough <wink>) than sorting all of data. However, if we had a max @@ -78,15 +97,15 @@ class TestHeap(unittest.TestCase): # (10 log-time steps). data = [random.randrange(2000) for i in range(1000)] heap = data[:10] - heapify(heap) + self.module.heapify(heap) for item in data[10:]: if item > heap[0]: # this gets rarer the longer we run - heapreplace(heap, item) - self.assertEqual(list(heapiter(heap)), sorted(data)[-10:]) + self.module.heapreplace(heap, item) + self.assertEqual(list(self.heapiter(heap)), sorted(data)[-10:]) - self.assertRaises(TypeError, heapreplace, None) - self.assertRaises(TypeError, heapreplace, None, None) - self.assertRaises(IndexError, heapreplace, [], None) + self.assertRaises(TypeError, self.module.heapreplace, None) + self.assertRaises(TypeError, self.module.heapreplace, None, None) + self.assertRaises(IndexError, self.module.heapreplace, [], None) def test_heapsort(self): # Exercise everything with repeated heapsort checks @@ -95,12 +114,12 @@ class TestHeap(unittest.TestCase): data = [random.randrange(25) for i in range(size)] if trial & 1: # Half of the time, use heapify heap = data[:] - heapify(heap) + self.module.heapify(heap) else: # The rest of the time, use heappush heap = [] for item in data: - heappush(heap, item) - heap_sorted = [heappop(heap) for i in range(size)] + self.module.heappush(heap, item) + heap_sorted = [self.module.heappop(heap) for i in range(size)] self.assertEqual(heap_sorted, sorted(data)) def test_merge(self): @@ -108,8 +127,8 @@ class TestHeap(unittest.TestCase): for i in range(random.randrange(5)): row = sorted(random.randrange(1000) for j in range(random.randrange(10))) inputs.append(row) - self.assertEqual(sorted(chain(*inputs)), list(merge(*inputs))) - self.assertEqual(list(merge()), []) + self.assertEqual(sorted(chain(*inputs)), list(self.module.merge(*inputs))) + self.assertEqual(list(self.module.merge()), []) def test_merge_stability(self): class Int(int): @@ -123,26 +142,33 @@ class TestHeap(unittest.TestCase): inputs[stream].append(obj) for stream in inputs: stream.sort() - result = [i.pair for i in merge(*inputs)] + result = [i.pair for i in self.module.merge(*inputs)] self.assertEqual(result, sorted(result)) def test_nsmallest(self): data = [(random.randrange(2000), i) for i in range(1000)] for f in (None, lambda x: x[0] * 547 % 2000): for n in (0, 1, 2, 10, 100, 400, 999, 1000, 1100): - self.assertEqual(list(nsmallest(n, data)), sorted(data)[:n]) - self.assertEqual(list(nsmallest(n, data, key=f)), + self.assertEqual(list(self.module.nsmallest(n, data)), + sorted(data)[:n]) + self.assertEqual(list(self.module.nsmallest(n, data, key=f)), sorted(data, key=f)[:n]) def test_nlargest(self): data = [(random.randrange(2000), i) for i in range(1000)] for f in (None, lambda x: x[0] * 547 % 2000): for n in (0, 1, 2, 10, 100, 400, 999, 1000, 1100): - self.assertEqual(list(nlargest(n, data)), + self.assertEqual(list(self.module.nlargest(n, data)), sorted(data, reverse=True)[:n]) - self.assertEqual(list(nlargest(n, data, key=f)), + self.assertEqual(list(self.module.nlargest(n, data, key=f)), sorted(data, key=f, reverse=True)[:n]) +class TestHeapPython(TestHeap): + module = py_heapq + +class TestHeapC(TestHeap): + module = c_heapq + #============================================================================== @@ -240,44 +266,49 @@ def L(seqn): return chain(imap(lambda x:x, R(Ig(G(seqn))))) class TestErrorHandling(unittest.TestCase): + # only for C implementation + module = c_heapq def test_non_sequence(self): - for f in (heapify, heappop): + for f in (self.module.heapify, self.module.heappop): self.assertRaises(TypeError, f, 10) - for f in (heappush, heapreplace, nlargest, nsmallest): + for f in (self.module.heappush, self.module.heapreplace, + self.module.nlargest, self.module.nsmallest): self.assertRaises(TypeError, f, 10, 10) def test_len_only(self): - for f in (heapify, heappop): + for f in (self.module.heapify, self.module.heappop): self.assertRaises(TypeError, f, LenOnly()) - for f in (heappush, heapreplace): + for f in (self.module.heappush, self.module.heapreplace): self.assertRaises(TypeError, f, LenOnly(), 10) - for f in (nlargest, nsmallest): + for f in (self.module.nlargest, self.module.nsmallest): self.assertRaises(TypeError, f, 2, LenOnly()) def test_get_only(self): - for f in (heapify, heappop): + for f in (self.module.heapify, self.module.heappop): self.assertRaises(TypeError, f, GetOnly()) - for f in (heappush, heapreplace): + for f in (self.module.heappush, self.module.heapreplace): self.assertRaises(TypeError, f, GetOnly(), 10) - for f in (nlargest, nsmallest): + for f in (self.module.nlargest, self.module.nsmallest): self.assertRaises(TypeError, f, 2, GetOnly()) def test_get_only(self): seq = [CmpErr(), CmpErr(), CmpErr()] - for f in (heapify, heappop): + for f in (self.module.heapify, self.module.heappop): self.assertRaises(ZeroDivisionError, f, seq) - for f in (heappush, heapreplace): + for f in (self.module.heappush, self.module.heapreplace): self.assertRaises(ZeroDivisionError, f, seq, 10) - for f in (nlargest, nsmallest): + for f in (self.module.nlargest, self.module.nsmallest): self.assertRaises(ZeroDivisionError, f, 2, seq) def test_arg_parsing(self): - for f in (heapify, heappop, heappush, heapreplace, nlargest, nsmallest): + for f in (self.module.heapify, self.module.heappop, + self.module.heappush, self.module.heapreplace, + self.module.nlargest, self.module.nsmallest): self.assertRaises(TypeError, f, 10) def test_iterable_args(self): - for f in (nlargest, nsmallest): + for f in (self.module.nlargest, self.module.nsmallest): for s in ("123", "", range(1000), (1, 1.2), range(2000,2200,5)): for g in (G, I, Ig, L, R): self.assertEqual(list(f(2, g(s))), list(f(2,s))) @@ -286,15 +317,14 @@ class TestErrorHandling(unittest.TestCase): self.assertRaises(TypeError, f, 2, N(s)) self.assertRaises(ZeroDivisionError, f, 2, E(s)) + #============================================================================== def test_main(verbose=None): from types import BuiltinFunctionType - test_classes = [TestHeap] - if isinstance(heapify, BuiltinFunctionType): - test_classes.append(TestErrorHandling) + test_classes = [TestHeapPython, TestHeapC, TestErrorHandling] test_support.run_unittest(*test_classes) # verify reference counting diff --git a/Lib/test/test_mutex.py b/Lib/test/test_mutex.py new file mode 100644 index 0000000..6318c70 --- /dev/null +++ b/Lib/test/test_mutex.py @@ -0,0 +1,33 @@ +import mutex + +import unittest +import test.test_support + +class MutexTest(unittest.TestCase): + + def setUp(self): + self.mutex = mutex.mutex() + + def called_by_mutex(self, some_data): + self.assert_(self.mutex.test(), "mutex not held") + # Nested locking + self.mutex.lock(self.called_by_mutex2, "eggs") + + def called_by_mutex2(self, some_data): + self.assert_(self.ready_for_2, + "called_by_mutex2 called too soon") + + def test_lock_and_unlock(self): + self.read_for_2 = False + self.mutex.lock(self.called_by_mutex, "spam") + self.ready_for_2 = True + # unlock both locks + self.mutex.unlock() + self.mutex.unlock() + self.failIf(self.mutex.test(), "mutex still held") + +def test_main(): + test.test_support.run_unittest(MutexTest) + +if __name__ == "__main__": + test_main() diff --git a/Lib/test/test_operator.py b/Lib/test/test_operator.py index dbb8f9e..84b821e 100644 --- a/Lib/test/test_operator.py +++ b/Lib/test/test_operator.py @@ -368,6 +368,26 @@ class OperatorTestCase(unittest.TestCase): raise SyntaxError self.failUnlessRaises(SyntaxError, operator.attrgetter('foo'), C()) + # recursive gets + a = A() + a.name = 'arthur' + a.child = A() + a.child.name = 'thomas' + f = operator.attrgetter('child.name') + self.assertEqual(f(a), 'thomas') + self.assertRaises(AttributeError, f, a.child) + f = operator.attrgetter('name', 'child.name') + self.assertEqual(f(a), ('arthur', 'thomas')) + f = operator.attrgetter('name', 'child.name', 'child.child.name') + self.assertRaises(AttributeError, f, a) + + a.child.child = A() + a.child.child.name = 'johnson' + f = operator.attrgetter('child.child.name') + self.assertEqual(f(a), 'johnson') + f = operator.attrgetter('name', 'child.name', 'child.child.name') + self.assertEqual(f(a), ('arthur', 'thomas', 'johnson')) + def test_itemgetter(self): a = 'ABCDE' f = operator.itemgetter(2) @@ -402,6 +422,24 @@ class OperatorTestCase(unittest.TestCase): self.assertEqual(operator.itemgetter(2,10,5)(data), ('2', '10', '5')) self.assertRaises(TypeError, operator.itemgetter(2, 'x', 5), data) + def test_methodcaller(self): + self.assertRaises(TypeError, operator.methodcaller) + class A: + def foo(self, *args, **kwds): + return args[0] + args[1] + def bar(self, f=42): + return f + a = A() + f = operator.methodcaller('foo') + self.assertRaises(IndexError, f, a) + f = operator.methodcaller('foo', 1, 2) + self.assertEquals(f(a), 3) + f = operator.methodcaller('bar') + self.assertEquals(f(a), 42) + self.assertRaises(TypeError, f, a, a) + f = operator.methodcaller('bar', f=5) + self.assertEquals(f(a), 5) + def test_inplace(self): class C(object): def __iadd__ (self, other): return "iadd" diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py index 1ce5950..3d5c120 100644 --- a/Lib/test/test_threading.py +++ b/Lib/test/test_threading.py @@ -8,6 +8,7 @@ import threading import thread import time import unittest +import weakref # A trivial mutable counter. class Counter(object): @@ -253,6 +254,33 @@ class ThreadTests(unittest.TestCase): finally: sys.setcheckinterval(old_interval) + def test_no_refcycle_through_target(self): + class RunSelfFunction(object): + def __init__(self, should_raise): + # The links in this refcycle from Thread back to self + # should be cleaned up when the thread completes. + self.should_raise = should_raise + self.thread = threading.Thread(target=self._run, + args=(self,), + kwargs={'yet_another':self}) + self.thread.start() + + def _run(self, other_ref, yet_another): + if self.should_raise: + raise SystemExit + + cyclic_object = RunSelfFunction(should_raise=False) + weak_cyclic_object = weakref.ref(cyclic_object) + cyclic_object.thread.join() + del cyclic_object + self.assertEquals(None, weak_cyclic_object()) + + raising_cyclic_object = RunSelfFunction(should_raise=True) + weak_raising_cyclic_object = weakref.ref(raising_cyclic_object) + raising_cyclic_object.thread.join() + del raising_cyclic_object + self.assertEquals(None, weak_raising_cyclic_object()) + class ThreadingExceptionTests(unittest.TestCase): # A RuntimeError should be raised if Thread.start() is called diff --git a/Lib/threading.py b/Lib/threading.py index a20ff06..c09ec6a 100644 --- a/Lib/threading.py +++ b/Lib/threading.py @@ -441,8 +441,13 @@ class Thread(_Verbose): _sleep(0.000001) # 1 usec, to let the thread run (Solaris hack) def run(self): - if self._target: - self._target(*self._args, **self._kwargs) + try: + if self._target: + self._target(*self._args, **self._kwargs) + finally: + # Avoid a refcycle if the thread is running a function with + # an argument that has a member that points to the thread. + del self._target, self._args, self._kwargs def _bootstrap(self): # Wrapper around the real bootstrap code that ignores |