#!/usr/bin/python

# Copyright 2008-2010 WebDriver committers
# Copyright 2008-2010 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


import os
import re
import tempfile
import time
import shutil
import unittest
from selenium.webdriver.common.exceptions import NoSuchElementException
from selenium.webdriver.common.exceptions import NoSuchFrameException


def not_available_on_remote(func):
    def testMethod(self):
        print self.driver
        if type(self.driver) == 'remote':
            return lambda x: None
        else:
            return func(self)
    return testMethod

class CorrectEventFiringTests(unittest.TestCase):

    def testShouldFireClickEventWhenClicking(self):
        self._loadPage("javascriptPage")
        self._clickOnElementWhichRecordsEvents()
        self._assertEventFired("click")
        

    def testShouldFireMouseDownEventWhenClicking(self):
        self._loadPage("javascriptPage")
        self._clickOnElementWhichRecordsEvents()
        self._assertEventFired("mousedown")
        

    def testShouldFireMouseUpEventWhenClicking(self):
        self._loadPage("javascriptPage")
        self._clickOnElementWhichRecordsEvents()
        self._assertEventFired("mouseup")

    def testShouldIssueMouseDownEvents(self):
        self._loadPage("javascriptPage")
        self.driver.find_element_by_id("mousedown").click()
        result = self.driver.find_element_by_id("result").text
        self.assertEqual(result, "mouse down")

    def testShouldIssueClickEvents(self):
        self._loadPage("javascriptPage")
        self.driver.find_element_by_id("mouseclick").click()
        result = self.driver.find_element_by_id("result").text
        self.assertEqual(result, "mouse click")
        
    def testShouldIssueMouseUpEvents(self):
        self._loadPage("javascriptPage")
        self.driver.find_element_by_id("mouseup").click()
        result = self.driver.find_element_by_id("result").text
        self.assertEqual(result, "mouse up")

    def testMouseEventsShouldBubbleUpToContainingElements(self):
        self._loadPage("javascriptPage")
        self.driver.find_element_by_id("child").click()
        result = self.driver.find_element_by_id("result").text
        self.assertEqual(result, "mouse down")
    
    def testShouldEmitOnChangeEventsWhenSelectingElements(self):
        self._loadPage("javascriptPage")
        # Intentionally not looking up the select tag.  See selenium r7937 for details.
        allOptions = self.driver.find_elements_by_xpath("//select[@id='selector']//option")
        initialTextValue = self.driver.find_element_by_id("result").text

        foo = allOptions[0]
        bar = allOptions[1]

        foo.select()
        self.assertEqual(self.driver.find_element_by_id("result").text, initialTextValue)
        bar.select()
        self.assertEqual(self.driver.find_element_by_id("result").text, "bar")

    def testShouldEmitOnChangeEventsWhenChangingTheStateOfACheckbox(self):
        self._loadPage("javascriptPage")
        checkbox = self.driver.find_element_by_id("checkbox")
        checkbox.select()
        self.assertEqual(self.driver.find_element_by_id("result").text, "checkbox thing")
        

    def testShouldEmitClickEventWhenClickingOnATextInputElement(self):
        self._loadPage("javascriptPage")
        clicker = self.driver.find_element_by_id("clickField")
        clicker.click()

        self.assertEqual(clicker.value, "Clicked")
        
    def testClearingAnElementShouldCauseTheOnChangeHandlerToFire(self):
        self._loadPage("javascriptPage")
        element = self.driver.find_element_by_id("clearMe")
        element.clear()
        result = self.driver.find_element_by_id("result")
        self.assertEqual(result.text, "Cleared");

    # TODO Currently Failing and needs fixing    
    #def testSendingKeysToAnotherElementShouldCauseTheBlurEventToFire(self):
    #    self._loadPage("javascriptPage")
    #    element = self.driver.find_element_by_id("theworks")
    #    element.send_keys("foo")
    #    element2 = self.driver.find_element_by_id("changeable")
    #    element2.send_keys("bar")
    #    self._assertEventFired("blur")

    # TODO Currently Failing and needs fixing
    #def testSendingKeysToAnElementShouldCauseTheFocusEventToFire(self):
    #    self._loadPage("javascriptPage")
    #    element = self.driver.find_element_by_id("theworks")
    #    element.send_keys("foo")
    #    self._assertEventFired("focus")

    def _clickOnElementWhichRecordsEvents(self):
        self.driver.find_element_by_id("plainButton").click()

    def _assertEventFired(self, eventName):
        result = self.driver.find_element_by_id("result")
        text = result.text
        self.assertTrue(eventName in text, "No " + eventName + " fired: " + text)

    def _pageURL(self, name):
        return "http://localhost:%d/%s.html" % (self.webserver.port, name)
    
    def _loadSimplePage(self):
        self._loadPage("simpleTest")

    def _loadPage(self, name):
        self.driver.get(self._pageURL(name))
