4710c53dca
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution. Signed-off-by: daryl.mcdaniel@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
185 lines
6.3 KiB
Python
185 lines
6.3 KiB
Python
"""
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Test the API of the symtable module.
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"""
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import symtable
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import unittest
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from test import test_support
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TEST_CODE = """
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import sys
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glob = 42
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class Mine:
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instance_var = 24
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def a_method(p1, p2):
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pass
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def spam(a, b, *var, **kw):
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global bar
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bar = 47
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x = 23
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glob
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def internal():
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return x
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return internal
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def foo():
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exec 'm'
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from sys import *
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def namespace_test(): pass
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def namespace_test(): pass
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"""
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def find_block(block, name):
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for ch in block.get_children():
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if ch.get_name() == name:
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return ch
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class SymtableTest(unittest.TestCase):
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with test_support.check_warnings(
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("import \* only allowed at module level", SyntaxWarning)):
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top = symtable.symtable(TEST_CODE, "?", "exec")
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# These correspond to scopes in TEST_CODE
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Mine = find_block(top, "Mine")
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a_method = find_block(Mine, "a_method")
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spam = find_block(top, "spam")
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internal = find_block(spam, "internal")
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foo = find_block(top, "foo")
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def test_type(self):
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self.assertEqual(self.top.get_type(), "module")
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self.assertEqual(self.Mine.get_type(), "class")
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self.assertEqual(self.a_method.get_type(), "function")
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self.assertEqual(self.spam.get_type(), "function")
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self.assertEqual(self.internal.get_type(), "function")
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def test_optimized(self):
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self.assertFalse(self.top.is_optimized())
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self.assertFalse(self.top.has_exec())
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self.assertFalse(self.top.has_import_star())
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self.assertTrue(self.spam.is_optimized())
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self.assertFalse(self.foo.is_optimized())
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self.assertTrue(self.foo.has_exec())
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self.assertTrue(self.foo.has_import_star())
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def test_nested(self):
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self.assertFalse(self.top.is_nested())
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self.assertFalse(self.Mine.is_nested())
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self.assertFalse(self.spam.is_nested())
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self.assertTrue(self.internal.is_nested())
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def test_children(self):
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self.assertTrue(self.top.has_children())
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self.assertTrue(self.Mine.has_children())
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self.assertFalse(self.foo.has_children())
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def test_lineno(self):
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self.assertEqual(self.top.get_lineno(), 0)
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self.assertEqual(self.spam.get_lineno(), 11)
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def test_function_info(self):
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func = self.spam
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self.assertEqual(func.get_parameters(), ("a", "b", "kw", "var"))
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self.assertEqual(func.get_locals(),
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("a", "b", "internal", "kw", "var", "x"))
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self.assertEqual(func.get_globals(), ("bar", "glob"))
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self.assertEqual(self.internal.get_frees(), ("x",))
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def test_globals(self):
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self.assertTrue(self.spam.lookup("glob").is_global())
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self.assertFalse(self.spam.lookup("glob").is_declared_global())
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self.assertTrue(self.spam.lookup("bar").is_global())
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self.assertTrue(self.spam.lookup("bar").is_declared_global())
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self.assertFalse(self.internal.lookup("x").is_global())
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self.assertFalse(self.Mine.lookup("instance_var").is_global())
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def test_local(self):
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self.assertTrue(self.spam.lookup("x").is_local())
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self.assertFalse(self.internal.lookup("x").is_local())
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def test_referenced(self):
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self.assertTrue(self.internal.lookup("x").is_referenced())
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self.assertTrue(self.spam.lookup("internal").is_referenced())
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self.assertFalse(self.spam.lookup("x").is_referenced())
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def test_parameters(self):
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for sym in ("a", "var", "kw"):
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self.assertTrue(self.spam.lookup(sym).is_parameter())
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self.assertFalse(self.spam.lookup("x").is_parameter())
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def test_symbol_lookup(self):
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self.assertEqual(len(self.top.get_identifiers()),
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len(self.top.get_symbols()))
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self.assertRaises(KeyError, self.top.lookup, "not_here")
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def test_namespaces(self):
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self.assertTrue(self.top.lookup("Mine").is_namespace())
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self.assertTrue(self.Mine.lookup("a_method").is_namespace())
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self.assertTrue(self.top.lookup("spam").is_namespace())
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self.assertTrue(self.spam.lookup("internal").is_namespace())
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self.assertTrue(self.top.lookup("namespace_test").is_namespace())
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self.assertFalse(self.spam.lookup("x").is_namespace())
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self.assertTrue(self.top.lookup("spam").get_namespace() is self.spam)
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ns_test = self.top.lookup("namespace_test")
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self.assertEqual(len(ns_test.get_namespaces()), 2)
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self.assertRaises(ValueError, ns_test.get_namespace)
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def test_assigned(self):
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self.assertTrue(self.spam.lookup("x").is_assigned())
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self.assertTrue(self.spam.lookup("bar").is_assigned())
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self.assertTrue(self.top.lookup("spam").is_assigned())
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self.assertTrue(self.Mine.lookup("a_method").is_assigned())
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self.assertFalse(self.internal.lookup("x").is_assigned())
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def test_imported(self):
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self.assertTrue(self.top.lookup("sys").is_imported())
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def test_name(self):
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self.assertEqual(self.top.get_name(), "top")
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self.assertEqual(self.spam.get_name(), "spam")
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self.assertEqual(self.spam.lookup("x").get_name(), "x")
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self.assertEqual(self.Mine.get_name(), "Mine")
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def test_class_info(self):
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self.assertEqual(self.Mine.get_methods(), ('a_method',))
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def test_filename_correct(self):
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### Bug tickler: SyntaxError file name correct whether error raised
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### while parsing or building symbol table.
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def checkfilename(brokencode):
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try:
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symtable.symtable(brokencode, "spam", "exec")
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except SyntaxError as e:
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self.assertEqual(e.filename, "spam")
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else:
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self.fail("no SyntaxError for %r" % (brokencode,))
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checkfilename("def f(x): foo)(") # parse-time
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checkfilename("def f(x): global x") # symtable-build-time
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def test_eval(self):
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symbols = symtable.symtable("42", "?", "eval")
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def test_single(self):
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symbols = symtable.symtable("42", "?", "single")
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def test_exec(self):
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symbols = symtable.symtable("def f(x): return x", "?", "exec")
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def test_main():
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test_support.run_unittest(SymtableTest)
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if __name__ == '__main__':
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test_main()
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