fix(curriculum): add actionable advanced OOP assertion messages

checks/oop_advanced/oop_advanced1.py

@@ -1,4 +1,4 @@
 dog = Dog()
-assert isinstance(dog, Animal)
-assert dog.speak() == "sound"
+assert isinstance(dog, Animal), "dog should be an instance of Animal"
+assert dog.speak() == "sound", "dog.speak() should return 'sound'"
 print("oop_advanced1 ok")

checks/oop_advanced/oop_advanced2.py

@@ -1,4 +1,8 @@
 employee = Employee("Ada", "Engineer")
-assert employee.name == "Ada"
-assert employee.role == "Engineer"
+assert employee.name == "Ada", (
+    f"employee.name should be 'Ada', got {employee.name!r}"
+)
+assert employee.role == "Engineer", (
+    f"employee.role should be 'Engineer', got {employee.role!r}"
+)
 print("oop_advanced2 ok")

checks/oop_advanced/oop_advanced3.py

@@ -1,3 +1,3 @@
 shapes = [Square(3), Rectangle(2, 5)]
-assert total_area(shapes) == 19
+assert total_area(shapes) == 19, "total_area(shapes) should be 19"
 print("oop_advanced3 ok")

checks/oop_advanced/oop_advanced4.py

@@ -1,3 +1,3 @@
 user = User("Lin")
-assert user.name == "Lin"
+assert user.name == "Lin", f"user.name should be 'Lin', got {user.name!r}"
 print("oop_advanced4 ok")

checks/oop_advanced/oop_advanced5.py

@@ -1,3 +1,3 @@
 playlist = Playlist(["one", "two", "three"])
-assert len(playlist) == 3
+assert len(playlist) == 3, "len(playlist) should be 3"
 print("oop_advanced5 ok")

checks/oop_advanced/oop_advanced6.py

@@ -1,2 +1,4 @@
-assert repr(Point(2, 5)) == "Point(x=2, y=5)"
+assert repr(Point(2, 5)) == "Point(x=2, y=5)", (
+    "Point(2, 5) should be represented as 'Point(x=2, y=5)'"
+)
 print("oop_advanced6 ok")