created functional_tests.list_page to handle common FT helpers; almost every FT file affected & less reliant on .base, which no longer contains those helpers

src/functional_tests/list_page.py

@@ -0,0 +1,49 @@
+from selenium.webdriver.common.by import By
+from selenium.webdriver.common.keys import Keys
+
+from .base import wait
+
+
+class ListPage:
+    def __init__(self, test):
+        self.test = test
+
+    def get_table_rows(self):
+        return self.test.browser.find_elements(By.CSS_SELECTOR, "#id_list_table tr")
+
+    @wait
+    def wait_for_row_in_list_table(self, item_text, item_number):
+        expected_row_text = f"{item_number}. {item_text}"
+        rows = self.get_table_rows()
+        self.test.assertIn(expected_row_text, [row.text for row in rows])
+    
+    def get_item_input_box(self):
+        return self.test.browser.find_element(By.ID, "id_text")
+
+    def add_list_item(self, item_text):
+        new_item_no = len(self.get_table_rows()) + 1
+        self.get_item_input_box().send_keys(item_text)
+        self.get_item_input_box().send_keys(Keys.ENTER)
+        self.wait_for_row_in_list_table(item_text, new_item_no)
+        return self
+    
+    def get_share_box(self):
+        return self.test.browser.find_element(
+            By.CSS_SELECTOR,
+            'input[name="recipient]',
+        )
+    
+    def get_shared_with_list(self):
+        return self.test.browser.find_elements(
+            By.CSS_SELECTOR,
+            ".list-recipient"
+        )
+    
+    def share_list_with(self, email):
+        self.get_share_box().send_keys(email)
+        self.get_share_box().send_keys(Keys.ENTER)
+        self.test.wait_for(
+            lambda: self.test.assertIn(
+                email, [item.text for item in self.get_shared_with_list()]
+            )
+        )