fix incorrect w3c action encoding in python client (#6014)

Author: jlipps

py/selenium/webdriver/common/actions/action_builder.py

@@ -62,8 +62,8 @@ def add_key_input(self, name):
         self._add_input(new_input)
         return new_input
 
-    def add_pointer_input(self, type_, name):
-        new_input = PointerInput(type_, name)
+    def add_pointer_input(self, kind, name):
+        new_input = PointerInput(kind, name)
         self._add_input(new_input)
         return new_input
 

py/selenium/webdriver/common/actions/interaction.py

@@ -21,6 +21,12 @@
 NONE = "none"
 SOURCE_TYPES = set([KEY, POINTER, NONE])
 
+POINTER_MOUSE = "mouse"
+POINTER_TOUCH = "touch"
+POINTER_PEN = "pen"
+
+POINTER_KINDS = set([POINTER_MOUSE, POINTER_TOUCH, POINTER_PEN])
+
 
 class Interaction(object):
 

py/selenium/webdriver/common/actions/pointer_actions.py

@@ -27,7 +27,7 @@ class PointerActions(Interaction):
 
     def __init__(self, source=None):
         if source is None:
-            source = PointerInput(interaction.POINTER, "mouse")
+            source = PointerInput(interaction.POINTER_MOUSE, "mouse")
         self.source = source
         super(PointerActions, self).__init__(source)
 

py/selenium/webdriver/common/actions/pointer_input.py

@@ -15,17 +15,22 @@
 # specific language governing permissions and limitations
 # under the License.
 from .input_device import InputDevice
+from .interaction import POINTER, POINTER_KINDS
 
+from selenium.common.exceptions import InvalidArgumentException
 from selenium.webdriver.remote.webelement import WebElement
 
 
 class PointerInput(InputDevice):
 
     DEFAULT_MOVE_DURATION = 250
 
-    def __init__(self, type_, name):
+    def __init__(self, kind, name):
         super(PointerInput, self).__init__()
-        self.type = type_
+        if (kind not in POINTER_KINDS):
+            raise InvalidArgumentException("Invalid PointerInput kind '%s'" % kind)
+        self.type = POINTER
+        self.kind = kind
         self.name = name
 
     def create_pointer_move(self, duration=DEFAULT_MOVE_DURATION, x=None, y=None, origin=None):
@@ -53,6 +58,6 @@ def create_pause(self, pause_duration):
 
     def encode(self):
         return {"type": self.type,
-                "parameters": {"pointerType": self.name},
+                "parameters": {"pointerType": self.kind},
                 "id": self.name,
                 "actions": [acts for acts in self.actions]}