Added ability to save screenshots

features/steps/web_steps.py

@@ -24,59 +24,74 @@
 For information on Waiting until elements are present in the HTML see:
     https://selenium-python.readthedocs.io/waits.html
 """
+import re
 import logging
+from typing import Any
 from behave import when, then  # pylint: disable=no-name-in-module
 from selenium.webdriver.common.by import By
 from selenium.webdriver.support.ui import Select, WebDriverWait
 from selenium.webdriver.support import expected_conditions
 
 ID_PREFIX = "pet_"
 
+def save_screenshot(context: Any, filename: str) -> None:
+    """Takes a snapshot of the web page for debugging and validation
+
+    Args:
+        context (Any): The session context
+        filename (str): The message that you are looking for
+    """
+    # Remove all non-word characters (everything except numbers and letters)
+    filename = re.sub(r"[^\w\s]", "", filename)
+    # Replace all runs of whitespace with a single dash
+    filename = re.sub(r"\s+", "-", filename)
+    context.driver.save_screenshot(f"./captures/{filename}.png")
+
 
 @when('I visit the "Home Page"')
-def step_impl(context):
+def step_impl(context: Any) -> None:
     """Make a call to the base URL"""
     context.driver.get(context.base_url)
     # Uncomment next line to take a screenshot of the web page
-    # context.driver.save_screenshot('home_page.png')
+    # save_screenshot(context, 'Home Page')
 
 
 @then('I should see "{message}" in the title')
-def step_impl(context, message):
+def step_impl(context: Any, message: str) -> None:
     """Check the document title for a message"""
     assert message in context.driver.title
 
 
 @then('I should not see "{text_string}"')
-def step_impl(context, text_string):
+def step_impl(context: Any, text_string: str) -> None:
     element = context.driver.find_element(By.TAG_NAME, "body")
     assert text_string not in element.text
 
 
 @when('I set the "{element_name}" to "{text_string}"')
-def step_impl(context, element_name, text_string):
+def step_impl(context: Any, element_name: str, text_string: str) -> None:
     element_id = ID_PREFIX + element_name.lower().replace(" ", "_")
     element = context.driver.find_element(By.ID, element_id)
     element.clear()
     element.send_keys(text_string)
 
 
 @when('I select "{text}" in the "{element_name}" dropdown')
-def step_impl(context, text, element_name):
+def step_impl(context: Any, text: str, element_name: str) -> None:
     element_id = ID_PREFIX + element_name.lower().replace(" ", "_")
     element = Select(context.driver.find_element(By.ID, element_id))
     element.select_by_visible_text(text)
 
 
 @then('I should see "{text}" in the "{element_name}" dropdown')
-def step_impl(context, text, element_name):
+def step_impl(context: Any, text: str, element_name: str) -> None:
     element_id = ID_PREFIX + element_name.lower().replace(" ", "_")
     element = Select(context.driver.find_element(By.ID, element_id))
     assert element.first_selected_option.text == text
 
 
 @then('the "{element_name}" field should be empty')
-def step_impl(context, element_name):
+def step_impl(context: Any, element_name: str) -> None:
     element_id = ID_PREFIX + element_name.lower().replace(" ", "_")
     element = context.driver.find_element(By.ID, element_id)
     assert element.get_attribute("value") == ""
@@ -86,7 +101,7 @@ def step_impl(context, element_name):
 # These two function simulate copy and paste
 ##################################################################
 @when('I copy the "{element_name}" field')
-def step_impl(context, element_name):
+def step_impl(context: Any, element_name: str) -> None:
     element_id = ID_PREFIX + element_name.lower().replace(" ", "_")
     element = WebDriverWait(context.driver, context.wait_seconds).until(
         expected_conditions.presence_of_element_located((By.ID, element_id))
@@ -96,7 +111,7 @@ def step_impl(context, element_name):
 
 
 @when('I paste the "{element_name}" field')
-def step_impl(context, element_name):
+def step_impl(context: Any, element_name: str) -> None:
     element_id = ID_PREFIX + element_name.lower().replace(" ", "_")
     element = WebDriverWait(context.driver, context.wait_seconds).until(
         expected_conditions.presence_of_element_located((By.ID, element_id))
@@ -115,13 +130,13 @@ def step_impl(context, element_name):
 
 
 @when('I press the "{button}" button')
-def step_impl(context, button):
+def step_impl(context: Any, button: str) -> None:
     button_id = button.lower().replace(" ", "_") + "-btn"
     context.driver.find_element(By.ID, button_id).click()
 
 
 @then('I should see "{name}" in the results')
-def step_impl(context, name):
+def step_impl(context: Any, name: str) -> None:
     found = WebDriverWait(context.driver, context.wait_seconds).until(
         expected_conditions.text_to_be_present_in_element(
             (By.ID, "search_results"), name
@@ -131,13 +146,15 @@ def step_impl(context, name):
 
 
 @then('I should not see "{name}" in the results')
-def step_impl(context, name):
+def step_impl(context: Any, name: str) -> None:
     element = context.driver.find_element(By.ID, "search_results")
     assert name not in element.text
 
 
 @then('I should see the message "{message}"')
-def step_impl(context, message):
+def step_impl(context: Any, message: str) -> None:
+    # Uncomment next line to take a screenshot of the web page for debugging
+    # save_screenshot(context, message)
     found = WebDriverWait(context.driver, context.wait_seconds).until(
         expected_conditions.text_to_be_present_in_element(
             (By.ID, "flash_message"), message
@@ -155,7 +172,7 @@ def step_impl(context, message):
 
 
 @then('I should see "{text_string}" in the "{element_name}" field')
-def step_impl(context, text_string, element_name):
+def step_impl(context: Any, text_string: str, element_name: str) -> None:
     element_id = ID_PREFIX + element_name.lower().replace(" ", "_")
     found = WebDriverWait(context.driver, context.wait_seconds).until(
         expected_conditions.text_to_be_present_in_element_value(
@@ -166,7 +183,7 @@ def step_impl(context, text_string, element_name):
 
 
 @when('I change "{element_name}" to "{text_string}"')
-def step_impl(context, element_name, text_string):
+def step_impl(context: Any, element_name: str, text_string: str) -> None:
     element_id = ID_PREFIX + element_name.lower().replace(" ", "_")
     element = WebDriverWait(context.driver, context.wait_seconds).until(
         expected_conditions.presence_of_element_located((By.ID, element_id))