Add wait for element enabled (#42)

Author: atthaboon

Examples/wait-for-demo.robot

@@ -63,3 +63,14 @@ Demo wait for location contains
     Go To     ${HOME_PAGE_URL}/docs.html
     Switch Window    NEW
     Wait Until Location Contains    docs.html
+
+Demo wait for element is enabled
+    ${HEADLESS}     Get variable value    ${HEADLESS}    ${False}
+    &{options} =    create dictionary   headless=${HEADLESS}
+    Open browser    ${HOME_PAGE_URL}   options=${options}
+    Go To     ${HOME_PAGE_URL}/form.html
+    Wait Until Element Is Enabled    id=disable_button    
+    Click Element    id=disable_button
+    Wait Until Page Contains    Login succeeded    
+    
+    

PuppeteerLibrary/keywords/waiting.py

@@ -192,3 +192,12 @@ def wait_until_location_does_not_contains(self, expected, timeout=None):
         The `expected` argument contains the expected value must not in url.
         """
         return self.loop.run_until_complete(self.async_func.wait_until_location_does_not_contains_async(expected, timeout))
+
+    @keyword
+    def wait_until_element_is_enabled(self, selenium_locator, timeout=None):
+        """
+        Waits until the specific element is Enabled.
+
+        """
+        return self.loop.run_until_complete(
+            self.async_func.wait_until_element_is_enabled_async(selenium_locator, timeout))

PuppeteerLibrary/keywords/waiting_async.py

@@ -109,6 +109,17 @@ async def validate_url_not_contains_text():
             validate_url_not_contains_text,
             self.timestr_to_secs_for_default_timeout(timeout))
 
+    @keyword
+    async def wait_until_element_is_enabled_async(self, selenium_locator, timeout=None):
+        async def validate_is_enabled():
+            element = await self.ctx.get_current_page().querySelector_with_selenium_locator(selenium_locator)
+            is_disabled = await (await element.getProperty('disabled')).jsonValue()
+            return is_disabled == False
+        return await self._wait_until_worker(
+            validate_is_enabled,
+            self.timestr_to_secs_for_default_timeout(timeout),
+            'Element '+selenium_locator+' was not enabled.')
+
     async def _wait_until_worker(self, condition, timeout, error=None):
         max_time = time.time() + timeout
         not_found = None

demoapp/html/form.html

@@ -13,6 +13,17 @@
           <option value="opel">Opel</option>
           <option value="audi">Audi</option>
         </select>
-      </div>
+    </div>
+    <button id="disable_button" disabled onclick="goto();">disable button</button>
+
+    <script>
+        setTimeout(function(){
+            document.getElementById('disable_button').disabled = false; }
+            , 2000);
+
+        function goto() {
+            window.location = "welcome.html";
+        }
+    </script>
 </body>
 </html>