[rb] add links to documentation for error messages

rb/lib/selenium/webdriver/common/error.rb

@@ -34,13 +34,20 @@ def self.for_error(error)
         WebDriverError
       end
 
+      SUPPORT_MSG = 'For documentation on this error, please visit:'
+      ERROR_URL = 'https://www.selenium.dev/documentation/webdriver/troubleshooting/errors'
+
       class WebDriverError < StandardError; end
 
       #
       # An element could not be located on the page using the given search parameters.
       #
 
-      class NoSuchElementError < WebDriverError; end
+      class NoSuchElementError < WebDriverError
+        def initialize(msg = '')
+          super("#{msg}; #{SUPPORT_MSG} #{ERROR_URL}#no-such-element-exception")
+        end
+      end
 
       #
       # A command to switch to a frame could not be satisfied because the frame could not be found.
@@ -58,7 +65,11 @@ class UnknownCommandError < WebDriverError; end
       # A command failed because the referenced element is no longer attached to the DOM.
       #
 
-      class StaleElementReferenceError < WebDriverError; end
+      class StaleElementReferenceError < WebDriverError
+        def initialize(msg = '')
+          super("#{msg}; #{SUPPORT_MSG} #{ERROR_URL}#stale-element-reference-exception")
+        end
+      end
 
       #
       # A command failed because the referenced shadow root is no longer attached to the DOM.
@@ -132,7 +143,11 @@ class ScriptTimeoutError < WebDriverError; end
       # Argument was an invalid selector.
       #
 
-      class InvalidSelectorError < WebDriverError; end
+      class InvalidSelectorError < WebDriverError
+        def initialize(msg = '')
+          super("#{msg}; #{SUPPORT_MSG} #{ERROR_URL}#invalid-selector-exception")
+        end
+      end
 
       #
       # A new session could not be created.

rb/spec/integration/selenium/webdriver/driver_spec.rb

@@ -139,6 +139,20 @@ module WebDriver
           expect(driver[:id1]).to be_a(WebDriver::Element)
           expect(driver[xpath: '//h1']).to be_a(WebDriver::Element)
         end
+
+        it 'raises if element not found' do
+          driver.navigate.to url_for('xhtmlTest.html')
+          expect {
+            driver.find_element(id: 'not-there')
+          }.to raise_error(Error::NoSuchElementError, /errors#no-such-element-exception/)
+        end
+
+        it 'raises if invalid locator' do
+          driver.navigate.to url_for('xhtmlTest.html')
+          expect {
+            driver.find_element(xpath: '*?//-')
+          }.to raise_error(Error::InvalidSelectorError, /errors#invalid-selector-exception/)
+        end
       end
 
       describe 'many elements' do

rb/spec/integration/selenium/webdriver/element_spec.rb

@@ -40,6 +40,17 @@ module WebDriver
         expect { driver.find_element(id: 'other_contents').click }.to raise_error(Error::ElementClickInterceptedError)
       end
 
+      it 'raises if element stale' do
+        driver.navigate.to url_for('formPage.html')
+        button = driver.find_element(id: 'imageButton')
+        driver.navigate.refresh
+
+        expect { button.click }.to raise_exception(Error::StaleElementReferenceError,
+                                                   /errors#stale-element-reference-exception/)
+
+        reset_driver!(time: 1) if %i[safari safari_preview].include? GlobalTestEnv.browser
+      end
+
       describe '#submit' do
         it 'valid submit button' do
           driver.navigate.to url_for('formPage.html')