1 files changed, 128 insertions, 0 deletions
diff --git a/pylint/test/functional/undefined_variable.py b/pylint/test/functional/undefined_variable.py
new file mode 100644
index 0000000..efaa1b8
--- /dev/null
+++ b/pylint/test/functional/undefined_variable.py
@@ -0,0 +1,128 @@
+"""Test warnings about access to undefined variables."""
+# pylint: disable=too-few-public-methods, no-init, no-self-use, old-style-class,print-statement
+
+DEFINED = 1
+
+if DEFINED != 1:
+    if DEFINED in (unknown, DEFINED):  # [undefined-variable]
+        DEFINED += 1
+
+
+def in_method(var):
+    """method doc"""
+    var = nomoreknown  # [undefined-variable]
+    assert var
+
+DEFINED = {DEFINED:__revision__}  # [undefined-variable]
+# +1:[undefined-variable]
+DEFINED[__revision__] = OTHER = 'move this is astroid test'
+
+OTHER += '$'
+
+def bad_default(var, default=unknown2):  # [undefined-variable]
+    """function with defaut arg's value set to an unexistant name"""
+    print var, default
+    print xxxx  # [undefined-variable]
+    augvar += 1  # [undefined-variable,unused-variable]
+    del vardel  # [undefined-variable]
+
+LMBD = lambda x, y=doesnotexist: x+y  # [undefined-variable]
+LMBD2 = lambda x, y: x+z  # [undefined-variable]
+
+try:
+    POUET # don't catch me
+except NameError:
+    POUET = 'something'
+
+try:
+    POUETT # don't catch me
+except Exception: # pylint:disable = broad-except
+    POUETT = 'something'
+
+try:
+    POUETTT # don't catch me
+except: # pylint:disable = bare-except
+    POUETTT = 'something'
+
+print POUET, POUETT, POUETTT
+
+
+try:
+    PLOUF  # [used-before-assignment]
+except ValueError:
+    PLOUF = 'something'
+
+print PLOUF
+
+def if_branch_test(something):
+    """hop"""
+    if something == 0:
+        if xxx == 1:  # [used-before-assignment]
+            pass
+    else:
+        print xxx
+        xxx = 3
+
+
+def decorator(arg):
+    """Decorator with one argument."""
+    return lambda: list(arg)
+
+
+@decorator(arg=[i * 2 for i in range(15)])
+def func1():
+    """A function with a decorator that contains a listcomp."""
+
+@decorator(arg=(i * 2 for i in range(15)))
+def func2():
+    """A function with a decorator that contains a genexpr."""
+
+@decorator(lambda x: x > 0)
+def main():
+    """A function with a decorator that contains a lambda."""
+
+# Test shared scope.
+
+def test_arguments(arg=TestClass):  # [used-before-assignment]
+    """ TestClass isn't defined yet. """
+    return arg
+
+class TestClass(Ancestor):  # [used-before-assignment]
+    """ contains another class, which uses an undefined ancestor. """
+
+    class MissingAncestor(Ancestor1):  # [used-before-assignment]
+        """ no op """
+
+    def test1(self):
+        """ It should trigger here, because the two classes
+        have the same scope.
+        """
+        class UsingBeforeDefinition(Empty):  # [used-before-assignment]
+            """ uses Empty before definition """
+        class Empty(object):
+            """ no op """
+        return UsingBeforeDefinition
+
+    def test(self):
+        """ Ancestor isn't defined yet, but we don't care. """
+        class MissingAncestor1(Ancestor):
+            """ no op """
+        return MissingAncestor1
+
+class Self(object):
+    """ Detect when using the same name inside the class scope. """
+    obj = Self # [undefined-variable]
+
+class Self1(object):
+    """ No error should be raised here. """
+
+    def test(self):
+        """ empty """
+        return Self1
+
+
+class Ancestor(object):
+    """ No op """
+
+class Ancestor1(object):
+    """ No op """