diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_compiler.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_compiler.py Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,254 @@ +import test.test_support +compiler = test.test_support.import_module('compiler', deprecated=True) +from compiler.ast import flatten +import os, sys, time, unittest +from random import random +from StringIO import StringIO + +# How much time in seconds can pass before we print a 'Still working' message. +_PRINT_WORKING_MSG_INTERVAL = 5 * 60 + +class TrivialContext(object): + def __enter__(self): + return self + def __exit__(self, *exc_info): + pass + +class CompilerTest(unittest.TestCase): + + def testCompileLibrary(self): + # A simple but large test. Compile all the code in the + # standard library and its test suite. This doesn't verify + # that any of the code is correct, merely the compiler is able + # to generate some kind of code for it. + + next_time = time.time() + _PRINT_WORKING_MSG_INTERVAL + libdir = os.path.dirname(unittest.__file__) + testdir = os.path.dirname(test.test_support.__file__) + + for dir in [libdir, testdir]: + for basename in os.listdir(dir): + # Print still working message since this test can be really slow + if next_time <= time.time(): + next_time = time.time() + _PRINT_WORKING_MSG_INTERVAL + print >>sys.__stdout__, \ + ' testCompileLibrary still working, be patient...' + sys.__stdout__.flush() + + if not basename.endswith(".py"): + continue + if not TEST_ALL and random() < 0.98: + continue + path = os.path.join(dir, basename) + if test.test_support.verbose: + print "compiling", path + f = open(path, "U") + buf = f.read() + f.close() + if "badsyntax" in basename or "bad_coding" in basename: + self.assertRaises(SyntaxError, compiler.compile, + buf, basename, "exec") + else: + try: + compiler.compile(buf, basename, "exec") + except Exception, e: + args = list(e.args) + args.append("in file %s]" % basename) + #args[0] += "[in file %s]" % basename + e.args = tuple(args) + raise + + def testNewClassSyntax(self): + compiler.compile("class foo():pass\n\n","","exec") + + def testYieldExpr(self): + compiler.compile("def g(): yield\n\n", "", "exec") + + def testKeywordAfterStarargs(self): + def f(*args, **kwargs): + self.assertEqual((args, kwargs), ((2,3), {'x': 1, 'y': 4})) + c = compiler.compile('f(x=1, *(2, 3), y=4)', '', 'exec') + exec c in {'f': f} + + self.assertRaises(SyntaxError, compiler.parse, "foo(a=1, b)") + self.assertRaises(SyntaxError, compiler.parse, "foo(1, *args, 3)") + + def testTryExceptFinally(self): + # Test that except and finally clauses in one try stmt are recognized + c = compiler.compile("try:\n 1/0\nexcept:\n e = 1\nfinally:\n f = 1", + "", "exec") + dct = {} + exec c in dct + self.assertEquals(dct.get('e'), 1) + self.assertEquals(dct.get('f'), 1) + + def testDefaultArgs(self): + self.assertRaises(SyntaxError, compiler.parse, "def foo(a=1, b): pass") + + def testDocstrings(self): + c = compiler.compile('"doc"', '', 'exec') + self.assert_('__doc__' in c.co_names) + c = compiler.compile('def f():\n "doc"', '', 'exec') + g = {} + exec c in g + self.assertEquals(g['f'].__doc__, "doc") + + def testLineNo(self): + # Test that all nodes except Module have a correct lineno attribute. + filename = __file__ + if filename.endswith((".pyc", ".pyo")): + filename = filename[:-1] + tree = compiler.parseFile(filename) + self.check_lineno(tree) + + def check_lineno(self, node): + try: + self._check_lineno(node) + except AssertionError: + print node.__class__, node.lineno + raise + + def _check_lineno(self, node): + if not node.__class__ in NOLINENO: + self.assert_(isinstance(node.lineno, int), + "lineno=%s on %s" % (node.lineno, node.__class__)) + self.assert_(node.lineno > 0, + "lineno=%s on %s" % (node.lineno, node.__class__)) + for child in node.getChildNodes(): + self.check_lineno(child) + + def testFlatten(self): + self.assertEquals(flatten([1, [2]]), [1, 2]) + self.assertEquals(flatten((1, (2,))), [1, 2]) + + def testNestedScope(self): + c = compiler.compile('def g():\n' + ' a = 1\n' + ' def f(): return a + 2\n' + ' return f()\n' + 'result = g()', + '', + 'exec') + dct = {} + exec c in dct + self.assertEquals(dct.get('result'), 3) + + def testGenExp(self): + c = compiler.compile('list((i,j) for i in range(3) if i < 3' + ' for j in range(4) if j > 2)', + '', + 'eval') + self.assertEquals(eval(c), [(0, 3), (1, 3), (2, 3)]) + + def testWith(self): + # SF bug 1638243 + c = compiler.compile('from __future__ import with_statement\n' + 'def f():\n' + ' with TrivialContext():\n' + ' return 1\n' + 'result = f()', + '', + 'exec' ) + dct = {'TrivialContext': TrivialContext} + exec c in dct + self.assertEquals(dct.get('result'), 1) + + def testWithAss(self): + c = compiler.compile('from __future__ import with_statement\n' + 'def f():\n' + ' with TrivialContext() as tc:\n' + ' return 1\n' + 'result = f()', + '', + 'exec' ) + dct = {'TrivialContext': TrivialContext} + exec c in dct + self.assertEquals(dct.get('result'), 1) + + + def testPrintFunction(self): + c = compiler.compile('from __future__ import print_function\n' + 'print("a", "b", sep="**", end="++", ' + 'file=output)', + '', + 'exec' ) + dct = {'output': StringIO()} + exec c in dct + self.assertEquals(dct['output'].getvalue(), 'a**b++') + + def _testErrEnc(self, src, text, offset): + try: + compile(src, "", "exec") + except SyntaxError, e: + self.assertEquals(e.offset, offset) + self.assertEquals(e.text, text) + + def testSourceCodeEncodingsError(self): + # Test SyntaxError with encoding definition + sjis = "print '\x83\x70\x83\x43\x83\x5c\x83\x93', '\n" + ascii = "print '12345678', '\n" + encdef = "#! -*- coding: ShiftJIS -*-\n" + + # ascii source without encdef + self._testErrEnc(ascii, ascii, 19) + + # ascii source with encdef + self._testErrEnc(encdef+ascii, ascii, 19) + + # non-ascii source with encdef + self._testErrEnc(encdef+sjis, sjis, 19) + + # ShiftJIS source without encdef + self._testErrEnc(sjis, sjis, 19) + + +NOLINENO = (compiler.ast.Module, compiler.ast.Stmt, compiler.ast.Discard) + +############################################################################### +# code below is just used to trigger some possible errors, for the benefit of +# testLineNo +############################################################################### + +class Toto: + """docstring""" + pass + +a, b = 2, 3 +[c, d] = 5, 6 +l = [(x, y) for x, y in zip(range(5), range(5,10))] +l[0] +l[3:4] +d = {'a': 2} +d = {} +t = () +t = (1, 2) +l = [] +l = [1, 2] +if l: + pass +else: + a, b = b, a + +try: + print yo +except: + yo = 3 +else: + yo += 3 + +try: + a += b +finally: + b = 0 + +from math import * + +############################################################################### + +def test_main(): + global TEST_ALL + TEST_ALL = test.test_support.is_resource_enabled("compiler") + test.test_support.run_unittest(CompilerTest) + +if __name__ == "__main__": + test_main()