python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_symtable.py

@@ -0,0 +1,193 @@
+"""
+Test the API of the symtable module.
+"""
+import symtable
+import unittest
+
+
+
+TEST_CODE = """
+import sys
+
+glob = 42
+
+class Mine:
+    instance_var = 24
+    def a_method(p1, p2):
+        pass
+
+def spam(a, b, *var, **kw):
+    global bar
+    bar = 47
+    x = 23
+    glob
+    def internal():
+        return x
+    return internal
+
+def foo():
+    pass
+
+def namespace_test(): pass
+def namespace_test(): pass
+"""
+
+
+def find_block(block, name):
+    for ch in block.get_children():
+        if ch.get_name() == name:
+            return ch
+
+
+class SymtableTest(unittest.TestCase):
+
+    top = symtable.symtable(TEST_CODE, "?", "exec")
+    # These correspond to scopes in TEST_CODE
+    Mine = find_block(top, "Mine")
+    a_method = find_block(Mine, "a_method")
+    spam = find_block(top, "spam")
+    internal = find_block(spam, "internal")
+    foo = find_block(top, "foo")
+
+    def test_type(self):
+        self.assertEqual(self.top.get_type(), "module")
+        self.assertEqual(self.Mine.get_type(), "class")
+        self.assertEqual(self.a_method.get_type(), "function")
+        self.assertEqual(self.spam.get_type(), "function")
+        self.assertEqual(self.internal.get_type(), "function")
+
+    def test_optimized(self):
+        self.assertFalse(self.top.is_optimized())
+        self.assertFalse(self.top.has_exec())
+
+        self.assertTrue(self.spam.is_optimized())
+
+    def test_nested(self):
+        self.assertFalse(self.top.is_nested())
+        self.assertFalse(self.Mine.is_nested())
+        self.assertFalse(self.spam.is_nested())
+        self.assertTrue(self.internal.is_nested())
+
+    def test_children(self):
+        self.assertTrue(self.top.has_children())
+        self.assertTrue(self.Mine.has_children())
+        self.assertFalse(self.foo.has_children())
+
+    def test_lineno(self):
+        self.assertEqual(self.top.get_lineno(), 0)
+        self.assertEqual(self.spam.get_lineno(), 11)
+
+    def test_function_info(self):
+        func = self.spam
+        self.assertEqual(sorted(func.get_parameters()), ["a", "b", "kw", "var"])
+        expected = ["a", "b", "internal", "kw", "var", "x"]
+        self.assertEqual(sorted(func.get_locals()), expected)
+        self.assertEqual(sorted(func.get_globals()), ["bar", "glob"])
+        self.assertEqual(self.internal.get_frees(), ("x",))
+
+    def test_globals(self):
+        self.assertTrue(self.spam.lookup("glob").is_global())
+        self.assertFalse(self.spam.lookup("glob").is_declared_global())
+        self.assertTrue(self.spam.lookup("bar").is_global())
+        self.assertTrue(self.spam.lookup("bar").is_declared_global())
+        self.assertFalse(self.internal.lookup("x").is_global())
+        self.assertFalse(self.Mine.lookup("instance_var").is_global())
+
+    def test_local(self):
+        self.assertTrue(self.spam.lookup("x").is_local())
+        self.assertFalse(self.internal.lookup("x").is_local())
+
+    def test_referenced(self):
+        self.assertTrue(self.internal.lookup("x").is_referenced())
+        self.assertTrue(self.spam.lookup("internal").is_referenced())
+        self.assertFalse(self.spam.lookup("x").is_referenced())
+
+    def test_parameters(self):
+        for sym in ("a", "var", "kw"):
+            self.assertTrue(self.spam.lookup(sym).is_parameter())
+        self.assertFalse(self.spam.lookup("x").is_parameter())
+
+    def test_symbol_lookup(self):
+        self.assertEqual(len(self.top.get_identifiers()),
+                         len(self.top.get_symbols()))
+
+        self.assertRaises(KeyError, self.top.lookup, "not_here")
+
+    def test_namespaces(self):
+        self.assertTrue(self.top.lookup("Mine").is_namespace())
+        self.assertTrue(self.Mine.lookup("a_method").is_namespace())
+        self.assertTrue(self.top.lookup("spam").is_namespace())
+        self.assertTrue(self.spam.lookup("internal").is_namespace())
+        self.assertTrue(self.top.lookup("namespace_test").is_namespace())
+        self.assertFalse(self.spam.lookup("x").is_namespace())
+
+        self.assertTrue(self.top.lookup("spam").get_namespace() is self.spam)
+        ns_test = self.top.lookup("namespace_test")
+        self.assertEqual(len(ns_test.get_namespaces()), 2)
+        self.assertRaises(ValueError, ns_test.get_namespace)
+
+    def test_assigned(self):
+        self.assertTrue(self.spam.lookup("x").is_assigned())
+        self.assertTrue(self.spam.lookup("bar").is_assigned())
+        self.assertTrue(self.top.lookup("spam").is_assigned())
+        self.assertTrue(self.Mine.lookup("a_method").is_assigned())
+        self.assertFalse(self.internal.lookup("x").is_assigned())
+
+    def test_annotated(self):
+        st1 = symtable.symtable('def f():\n    x: int\n', 'test', 'exec')
+        st2 = st1.get_children()[0]
+        self.assertTrue(st2.lookup('x').is_local())
+        self.assertTrue(st2.lookup('x').is_annotated())
+        self.assertFalse(st2.lookup('x').is_global())
+        st3 = symtable.symtable('def f():\n    x = 1\n', 'test', 'exec')
+        st4 = st3.get_children()[0]
+        self.assertTrue(st4.lookup('x').is_local())
+        self.assertFalse(st4.lookup('x').is_annotated())
+
+    def test_imported(self):
+        self.assertTrue(self.top.lookup("sys").is_imported())
+
+    def test_name(self):
+        self.assertEqual(self.top.get_name(), "top")
+        self.assertEqual(self.spam.get_name(), "spam")
+        self.assertEqual(self.spam.lookup("x").get_name(), "x")
+        self.assertEqual(self.Mine.get_name(), "Mine")
+
+    def test_class_info(self):
+        self.assertEqual(self.Mine.get_methods(), ('a_method',))
+
+    def test_filename_correct(self):
+        ### Bug tickler: SyntaxError file name correct whether error raised
+        ### while parsing or building symbol table.
+        def checkfilename(brokencode, offset):
+            try:
+                symtable.symtable(brokencode, "spam", "exec")
+            except SyntaxError as e:
+                self.assertEqual(e.filename, "spam")
+                self.assertEqual(e.lineno, 1)
+                self.assertEqual(e.offset, offset)
+            else:
+                self.fail("no SyntaxError for %r" % (brokencode,))
+        checkfilename("def f(x): foo)(", 14)  # parse-time
+        checkfilename("def f(x): global x", 10)  # symtable-build-time
+        symtable.symtable("pass", b"spam", "exec")
+        with self.assertWarns(DeprecationWarning), \
+             self.assertRaises(TypeError):
+            symtable.symtable("pass", bytearray(b"spam"), "exec")
+        with self.assertWarns(DeprecationWarning):
+            symtable.symtable("pass", memoryview(b"spam"), "exec")
+        with self.assertRaises(TypeError):
+            symtable.symtable("pass", list(b"spam"), "exec")
+
+    def test_eval(self):
+        symbols = symtable.symtable("42", "?", "eval")
+
+    def test_single(self):
+        symbols = symtable.symtable("42", "?", "single")
+
+    def test_exec(self):
+        symbols = symtable.symtable("def f(x): return x", "?", "exec")
+
+
+if __name__ == '__main__':
+    unittest.main()