Tests for making sure that keywords can be used in programmatic way (#1004)

* Tests for making sure that keywords can be used in programatic way

Tests for #1001

Author: aaltat

test/acceptance/extending.robot

@@ -0,0 +1,18 @@
+*** Settings ***
+Suite Setup       Extending Suite Setup
+Suite Teardown    ExtSeLib.Close All Browsers
+Resource          resource.robot
+Library           ExtSL.ExtSL    WITH NAME    ExtSeLib
+
+
+*** Test Cases ***
+When Extending SeleniumLibrary Keywords With Decorated Name Can Be Used For Extending
+    ${elements} =    ExtSeLib.Ext Web Element    //tr
+    Should Not Be Empty    ${elements}
+
+When Extending SeleniumLibrary Keywords With Method Name Can Be Used For Extending
+    ExtSeLib.Ext Page Should Contain    Email:
+
+*** Keywords ***
+Extending Suite Setup
+    ExtSeLib.Open Browser    ${ROOT}/forms/prefilled_email_form.html     ${BROWSER}

test/resources/testlibs/ExtSL.py

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+from SeleniumLibrary import SeleniumLibrary
+from SeleniumLibrary.base import keyword
+
+
+class ExtSL(SeleniumLibrary):
+
+    @keyword
+    def ext_web_element(self, locator):
+        return self.get_webelements(locator)
+
+    @keyword
+    def ext_page_should_contain(self, text):
+        self.page_should_contain(text)

test/unit/api/test_accessing_keywod_methods.py

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+import unittest
+
+from SeleniumLibrary import SeleniumLibrary
+
+
+class KeywordsMethodsTests(unittest.TestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        cls.selib = SeleniumLibrary()
+
+    def test_kw_with_method_name(self):
+        self.assertTrue(self.selib.keywords['add_cookie'])
+        self.assertTrue(self.selib.attributes['add_cookie'])
+        self.assertTrue(self.selib.keywords['page_should_contain_image'])
+        self.assertTrue(self.selib.attributes['page_should_contain_image'])
+        self.assertTrue(self.selib.keywords['xpath_should_match_x_times'])
+        self.assertTrue(self.selib.attributes['xpath_should_match_x_times'])
+
+    def test_kw_with_methods_name_do_not_have_kw_name(self):
+        with self.assertRaises(KeyError):
+            self.selib.keywords['Add Cookie']
+        with self.assertRaises(KeyError):
+            self.selib.keywords['Page Should Contain Image']
+        with self.assertRaises(KeyError):
+            self.selib.keywords['Xpath Should Match X Times']
+
+    def test_kw_with_decorated_name(self):
+        self.assertTrue(self.selib.attributes['get_webelement'])
+        self.assertTrue(self.selib.keywords['Get WebElement'])
+        self.assertTrue(self.selib.attributes['get_webelements'])
+        self.assertTrue(self.selib.keywords['Get WebElements'])