add support for inference on str.split()

2 files changed, 8 insertions, 0 deletions

diff --git a/astroid/brain/brain_builtin_inference.py b/astroid/brain/brain_builtin_inference.py
index c6245be..7559271 100644
--- a/astroid/brain/brain_builtin_inference.py
+++ b/astroid/brain/brain_builtin_inference.py
@@ -60,6 +60,8 @@ def _extend_str(class_node, rvalue):
             return {rvalue}
         def ljust(self, width, fillchar=None):
             return {rvalue}
+        def split(self, *args):
+            return []
     ''')
     code = code.format(rvalue=rvalue)
     fake = AstroidBuilder(MANAGER).string_build(code)['whatever']
diff --git a/astroid/tests/unittest_inference.py b/astroid/tests/unittest_inference.py
index 6adaada..fa090f8 100644
--- a/astroid/tests/unittest_inference.py
+++ b/astroid/tests/unittest_inference.py
@@ -1796,6 +1796,8 @@ class InferenceTest(resources.SysPathSetup, unittest.TestCase):
         ' '.index() #@
         ' '.find() #@
         ' '.count() #@
+
+        ' '.split() #@
         """
         ast = test_utils.extract_node(code, __name__)
         self.assertInferConst(ast[0], u'')
@@ -1803,6 +1805,7 @@ class InferenceTest(resources.SysPathSetup, unittest.TestCase):
             self.assertInferConst(ast[i], '')
         for i in range(16, 19):
             self.assertInferConst(ast[i], 0)
+        self.assertInferList(ast[19], [])
 
     def test_unicode_methods(self):
         code = """
@@ -1827,6 +1830,8 @@ class InferenceTest(resources.SysPathSetup, unittest.TestCase):
         u' '.index() #@
         u' '.find() #@
         u' '.count() #@
+
+        u' '.split() #@
         """
         ast = test_utils.extract_node(code, __name__)
         self.assertInferConst(ast[0], '')
@@ -1834,6 +1839,7 @@ class InferenceTest(resources.SysPathSetup, unittest.TestCase):
             self.assertInferConst(ast[i], u'')
         for i in range(16, 19):
             self.assertInferConst(ast[i], 0)
+        self.assertInferList(ast[19], [])
 
     def test_scope_lookup_same_attributes(self):
         code = '''