feat: add experience test

scripts/experience_test.sh

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+#!/usr/bin/env bash
+
+echo "Installing Chrome web driver..."
+source <(curl -sSL "${DEVX_SKIT_ASSETS_GIT_URL_RAW:-https://raw.githubusercontent.com/IBM/devex-skit-assets/master}/scripts/install_chrome.sh")
+
+echo "Starting Chrome web driver..."
+source <(curl -sSL "${DEVX_SKIT_ASSETS_GIT_URL_RAW:-https://raw.githubusercontent.com/IBM/devex-skit-assets/master}/scripts/start_chrome.sh")
+
+echo "Downloading and installing pip..."
+curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
+python3 get-pip.py
+pip -V
+
+echo "Installing Selenium Python package..."
+pip install selenium
+
+echo "Running UI test using Selenium..."
+python3 python_flask.py

scripts/python_flask.py

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+import os, time, sys, datetime
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.common.keys import Keys
+
+# Do an action on the app's landing page
+options = Options()
+options.add_argument('--headless')
+options.add_argument('--no-sandbox')
+options.add_argument('--disable-dev-shm-usage')
+driver = webdriver.Chrome(options=options)
+driver.get(os.environ["APP_URL"]); # Open a browser to the app's landing page
+time.sleep(3)
+
+# Verify the expected content is present
+title_text = driver.find_elements_by_xpath('//h1')[0].text
+if len(title_text) == 0:
+    sys.exit("Experience Test Failed: no title texts found")
+else:
+    print("The title text is: {}".format(title_text))
+    if title_text == "Congratulations!":
+        print("Experience Test Successful")
+    else:
+        sys.exit("Experience Test Failed: unexpected subtitle text {}".format(title_text))
+
+subtitle_text = driver.find_elements_by_xpath('//h2')[0].text
+if len(subtitle_text) == 0:
+    sys.exit("Experience Test Failed: no subtitle texts found")
+else:
+    print("The subtitle text is: {}".format(subtitle_text))
+    if subtitle_text == "You are currently running a Python app built for the IBM Cloud.":
+        print("Experience Test Successful")
+    else:
+        sys.exit("Experience Test Failed: unexpected subtitle text {}".format(subtitle_text))