10 files changed, 481 insertions, 0 deletions
diff --git a/tests/extensions/data/bad_builtin.py b/tests/extensions/data/bad_builtin.py
new file mode 100644
index 000000000..fd3e5c054
--- /dev/null
+++ b/tests/extensions/data/bad_builtin.py
@@ -0,0 +1,4 @@
+# pylint: disable=missing-docstring
+
+TEST = map(str, (1, 2, 3)) # [bad-builtin]
+TEST1 = filter(str, (1, 2, 3)) # [bad-builtin]
diff --git a/tests/extensions/data/broad_try_clause.py b/tests/extensions/data/broad_try_clause.py
new file mode 100644
index 000000000..4d65302c8
--- /dev/null
+++ b/tests/extensions/data/broad_try_clause.py
@@ -0,0 +1,14 @@
+# pylint: disable=missing-docstring, invalid-name
+
+MY_DICTIONARY = {"key_one": 1, "key_two": 2, "key_three": 3}
+
+try:  # [max-try-statements]
+    value = MY_DICTIONARY["key_one"]
+    value += 1
+except KeyError:
+    pass
+
+try:
+    value = MY_DICTIONARY["key_one"]
+except KeyError:
+    value = 0
diff --git a/tests/extensions/data/compare_to_zero.py b/tests/extensions/data/compare_to_zero.py
new file mode 100644
index 000000000..dfe6bbcb5
--- /dev/null
+++ b/tests/extensions/data/compare_to_zero.py
@@ -0,0 +1,28 @@
+# pylint: disable=literal-comparison,missing-docstring,misplaced-comparison-constant
+
+X = 123
+Y = len('test')
+
+if X is 0:  # [compare-to-zero]
+    pass
+
+if Y is not 0:  # [compare-to-zero]
+    pass
+
+if X == 0:  # [compare-to-zero]
+    pass
+
+if Y != 0:  # [compare-to-zero]
+    pass
+
+if X > 0:
+    pass
+
+if X < 0:
+    pass
+
+if 0 < X:
+    pass
+
+if 0 > X:
+    pass
diff --git a/tests/extensions/data/docstring.py b/tests/extensions/data/docstring.py
new file mode 100644
index 000000000..8f34c657f
--- /dev/null
+++ b/tests/extensions/data/docstring.py
@@ -0,0 +1,40 @@
+"""Checks of Dosctrings 'docstring-first-line-empty' 'bad-docstring-quotes'"""
+
+
+def check_messages(*messages):
+    """
+    docstring"""
+    return messages
+
+def function2():
+    """Test Ok"""
+
+class FFFF:
+    """
+    Test Docstring First Line Empty
+    """
+
+    def method1(self):
+        '''
+        Test Triple Single Quotes docstring
+        '''
+
+    def method2(self):
+        "bad docstring 1"
+
+    def method3(self):
+        'bad docstring 2'
+
+    def method4(self):
+        ' """bad docstring 3 '
+
+    @check_messages('bad-open-mode', 'redundant-unittest-assert',
+                    'deprecated-module')
+    def method5(self):
+        """Test OK 1 with decorators"""
+
+    def method6(self):
+        r"""Test OK 2 with raw string"""
+
+    def method7(self):
+        u"""Test OK 3 with unicode string"""
diff --git a/tests/extensions/data/elif.py b/tests/extensions/data/elif.py
new file mode 100644
index 000000000..22e79c1db
--- /dev/null
+++ b/tests/extensions/data/elif.py
@@ -0,0 +1,26 @@
+"""Checks use of "else if" triggers a refactor message"""
+
+def my_function():
+    """docstring"""
+    myint = 2
+    if myint > 5:
+        pass
+    else:
+        if myint <= 5:
+            pass
+        else:
+            myint = 3
+            if myint > 2:
+                if myint > 3:
+                    pass
+                elif myint == 3:
+                    pass
+                elif myint < 3:
+                    pass
+                else:
+                    if myint:
+                        pass
+            else:
+                if myint:
+                    pass
+                myint = 4
diff --git a/tests/extensions/data/empty_string_comparison.py b/tests/extensions/data/empty_string_comparison.py
new file mode 100644
index 000000000..c6dcf8ea8
--- /dev/null
+++ b/tests/extensions/data/empty_string_comparison.py
@@ -0,0 +1,16 @@
+# pylint: disable=literal-comparison,missing-docstring
+
+X = ''
+Y = 'test'
+
+if X is '':  # [compare-to-empty-string]
+    pass
+
+if Y is not "":  # [compare-to-empty-string]
+    pass
+
+if X == "":  # [compare-to-empty-string]
+    pass
+
+if Y != '':  # [compare-to-empty-string]
+    pass
diff --git a/tests/extensions/data/mccabe.py b/tests/extensions/data/mccabe.py
new file mode 100644
index 000000000..fdbdb5f0c
--- /dev/null
+++ b/tests/extensions/data/mccabe.py
@@ -0,0 +1,205 @@
+"""Checks use of "too-complex" check"""
+
+
+def f1():
+    """McCabe rating: 1"""
+    pass
+
+
+def f2(n):
+    """McCabe rating: 1"""
+    k = n + 4
+    s = k + n
+    return s
+
+
+def f3(n):
+    """McCabe rating: 3"""
+    if n > 3:
+        return "bigger than three"
+    elif n > 4:
+        return "is never executed"
+    else:
+        return "smaller than or equal to three"
+
+
+def f4():
+    """McCabe rating: 2"""
+    for i in range(10):
+        print(i)
+
+
+def f5(mylist):
+    """McCabe rating: 2"""
+    for i in mylist:
+        print(i)
+    else:
+        print(None)
+
+
+def f6(n):
+    """McCabe rating: 2"""
+    if n > 4:
+        return f(n - 1)
+    else:
+        return n
+
+
+def f7():
+    """McCabe rating: 3"""
+    def b():
+        """McCabe rating: 2"""
+        def c():
+            """McCabe rating: 1"""
+            pass
+        c()
+    b()
+
+
+def f8():
+    """McCabe rating: 4"""
+    try:
+        print(1)
+    except TypeA:
+        print(2)
+    except TypeB:
+        print(3)
+    else:
+        print(4)
+
+
+def f9():
+    """McCabe rating: 9"""
+    myint = 2
+    if myint > 5:
+        pass
+    else:
+        if myint <= 5:
+            pass
+        else:
+            myint = 3
+            if myint > 2:
+                if myint > 3:
+                    pass
+                elif myint == 3:
+                    pass
+                elif myint < 3:
+                    pass
+                else:
+                    if myint:
+                        pass
+            else:
+                if myint:
+                    pass
+                myint = 4
+
+
+def f10():
+    """McCabe rating: 11"""
+    myint = 2
+    if myint == 5:
+        return myint
+    elif myint == 6:
+        return myint
+    elif myint == 7:
+        return myint
+    elif myint == 8:
+        return myint
+    elif myint == 9:
+        return myint
+    elif myint == 10:
+        if myint == 8:
+            while True:
+                return True
+        elif myint == 8:
+            with myint:
+                return 8
+    else:
+        if myint == 2:
+            return myint
+        return myint
+    return myint
+
+
+class MyClass1(object):
+    """Class of example to test mccabe"""
+    _name = 'MyClass'  # To force a tail.node=None
+
+    def method1():
+        """McCabe rating: 1"""
+        pass
+
+    def method2(self, param1):
+        """McCabe rating: 18"""
+        if not param1:
+            pass
+        pass
+        if param1:
+            pass
+        else:
+            pass
+
+        pass
+
+        if param1:
+            pass
+        if param1:
+            pass
+        if param1:
+            pass
+        if param1:
+            pass
+        if param1:
+            pass
+        if param1:
+            pass
+        if param1:
+            for value in range(5):
+                pass
+
+        pass
+        for count in range(6):
+            with open('myfile') as fp:
+                count += 1
+            pass
+        pass
+        try:
+            pass
+            if not param1:
+                pass
+            else:
+                pass
+            if param1:
+                raise BaseException('Error')
+            with open('myfile2') as fp2:
+                pass
+            pass
+        finally:
+            if param1 is not None:
+                pass
+            for count2 in range(8):
+                try:
+                    pass
+                except BaseException('Error2'):
+                    pass
+        return param1
+
+
+for count in range(10):
+    if count == 1:
+        exit(0)
+    elif count == 2:
+        exit(1)
+    else:
+        exit(2)
+
+
+def method3(self):
+    try:
+        if True:
+            pass
+        else:
+            pass
+    finally:
+        pass
+    return True
diff --git a/tests/extensions/data/overlapping_exceptions.py b/tests/extensions/data/overlapping_exceptions.py
new file mode 100644
index 000000000..5ee50f314
--- /dev/null
+++ b/tests/extensions/data/overlapping_exceptions.py
@@ -0,0 +1,45 @@
+# pylint: disable=missing-docstring
+
+class SomeException(Exception):
+    pass
+
+class SubclassException(SomeException):
+    pass
+
+AliasException = SomeException
+
+try:
+    pass
+except (SomeException, SomeException): # [overlapping-except]
+    pass
+
+try:
+    pass
+except (SomeException, SubclassException): # [overlapping-except]
+    pass
+
+try:
+    pass
+except (SomeException, AliasException): # [overlapping-except]
+    pass
+
+try:
+    pass
+except (AliasException, SubclassException): # [overlapping-except]
+    pass
+
+try:
+    pass
+# +1:[overlapping-except, overlapping-except, overlapping-except]
+except (SomeException, AliasException, SubclassException):
+    pass
+
+try:
+    pass
+except (ArithmeticError, FloatingPointError): # [overlapping-except]
+    pass
+
+try:
+    pass
+except (ValueError, UnicodeDecodeError): # [overlapping-except]
+    pass
diff --git a/tests/extensions/data/overlapping_exceptions_py33.py b/tests/extensions/data/overlapping_exceptions_py33.py
new file mode 100644
index 000000000..16d5c30d1
--- /dev/null
+++ b/tests/extensions/data/overlapping_exceptions_py33.py
@@ -0,0 +1,18 @@
+# pylint: disable=missing-docstring
+
+import socket
+
+try:
+    pass
+except (IOError, OSError): # [overlapping-except]
+    pass
+
+try:
+    pass
+except (socket.error, OSError): # [overlapping-except]
+    pass
+
+try:
+    pass
+except (ConnectionError, socket.error): # [overlapping-except]
+    pass
diff --git a/tests/extensions/data/redefined.py b/tests/extensions/data/redefined.py
new file mode 100644
index 000000000..8829c4383
--- /dev/null
+++ b/tests/extensions/data/redefined.py
@@ -0,0 +1,85 @@
+"""Checks variable types aren't redefined within a method or a function"""
+
+# pylint: disable=too-few-public-methods,missing-docstring,unused-variable,invalid-name, useless-object-inheritance
+
+_OK = True
+
+class MyClass(object):
+
+    class Klass(object):
+        def __init__(self):
+            self.var2 = 'var'
+
+    def __init__(self):
+        self.var = True
+        self.var1 = 2
+        self.var2 = 1.
+        self.var1 = 2.  # [redefined-variable-type]
+        self.a_str = "hello"
+        a_str = False
+        (a_str, b_str) = (1, 2)  # no support for inference on tuple assignment
+        a_str = 2.0 if self.var else 1.0
+
+    def _getter(self):
+        return self.a_str
+    def _setter(self, val):
+        self.a_str = val
+    var2 = property(_getter, _setter)
+
+    def some_method(self):
+        def func():
+            var = 1
+            test = 'bar'
+            var = 'baz'  # [redefined-variable-type]
+        self.var = 1  # the rule checks for redefinitions in the scope of a function or method
+        test = 'foo'
+        myint = 2
+        myint = False  # [redefined-variable-type]
+
+_OK = "This is OK"  # [redefined-variable-type]
+
+if _OK:
+    SOME_FLOAT = 1.
+
+def dummy_function():
+    return 2
+
+def other_function():
+    instance = MyClass()
+    instance = True  # [redefined-variable-type]
+
+SOME_FLOAT = dummy_function()  # [redefined-variable-type]
+
+A_GLOB = None
+A_GLOB = [1, 2, 3]
+
+def func2(x):
+    if x:
+        var = 'foo'
+    else:
+        var = True
+
+    if x:
+        var2 = 'foo'
+    elif not x:
+        var2 = 2
+    else:
+        pass
+
+    if x:
+        var3 = 'foo'
+        var3 = 2  # [redefined-variable-type]
+    else:
+        pass
+
+    var = 2  # [redefined-variable-type]
+
+    if x:
+        pass
+    elif not x:
+        var4 = True
+    elif _OK:
+        pass
+    else:
+        var4 = 2.
+        var4 = 'baz'  # [redefined-variable-type]