fixes

Author: SunInJuly

introduction/finding_elements/find_child_element/tests/test_task.py

@@ -15,6 +15,6 @@ def test_add(self):
             browser.get("http://suninjuly.github.io/cats.html")
             element = browser.find_element(By.CSS_SELECTOR, child_selector)
             print(element.get_attribute("src"))
-            self.assertTrue(element.get_attribute("src") == "http://suninjuly.github.io/images/serious_cat.jpg")
+            self.assertTrue("serious_cat.jpg" in element.get_attribute("src"))
         finally:
             browser.quit()

introduction/introduction/prerequisites/task.md

@@ -7,6 +7,6 @@ You will need knowledge of
 - syntax and basic features of Python.
 - basic object-oriented programming (OOP) concepts for the fourth section of the course
 
-Please note libraries this course uses in requirements.txt. 
-You can install them in your virtual environment bu executing 
+Please note libraries this course uses in requirements.txt.
+You can install them in your virtual environment by executing
 `pip install -r requirements.txt`

introduction/page_structure/visual attributes/index.html

@@ -1,5 +1,5 @@
-<h1 style="color: blue;"> The heading will be blue because the color is set in the style attribute </h1>
+<h1> The heading will be blue because the color is set in the style attribute </h1>
 
-<p hidden> The attribute hides the element on a page; the element won't be displayed </p>
+<p> The attribute hides the element on a page; the element won't be displayed </p>
 
-<button disabled> The button with the attribute disabled will be blocked </button>
+<button> The button with the attribute disabled will be blocked</button>

introduction/page_structure/visual attributes/task-info.yaml

@@ -1,7 +1,7 @@
 type: edu
 files:
 - name: task.py
-  visible: true
+  visible: false
 - name: tests/test_task.py
   visible: false
 - name: __init__.py

introduction/page_structure/visual attributes/task.md

@@ -14,3 +14,5 @@ Here are examples of attributes that affect rendering and the element's behavior
 
 <button disabled> The button with the attribute disabled will be blocked </button>
 ```
+
+Try opening `index.html` in your browser. Now add the visual attributes and try opening this file again. 

introduction/page_structure/visual attributes/tests/__init__.py

@@ -0,0 +1,19 @@
+import unittest
+
+from bs4 import BeautifulSoup
+
+
+class TestCase(unittest.TestCase):
+    def test_add(self):
+        HTMLFile = open("index.html", "r")
+        index = HTMLFile.read()
+        HTMLFile.close()
+        soup = BeautifulSoup(index, "html5lib")
+        image = soup.img
+        try:
+            self.assertTrue(soup.h1["style"] == "color: blue;", f"Should be color: blue style, got {soup.h1['style']}")
+            self.assertTrue("hidden" in str(soup.p), f"Should be hidden paragraph")
+            self.assertTrue("disabled" in str(soup.button), f"Should be disabled button")
+
+        except Exception as e:
+            self.fail("wrong page structure")