start on post and database chap

Author: hjwp

chapter_post_and_database.asciidoc

@@ -110,7 +110,7 @@ it a little:
     inputbox.send_keys(Keys.ENTER)
     time.sleep(10)
 
-    table = self.browser.find_element(By.ID, 'id_list_table')
+    table = self.browser.find_element(By.ID, "id_list_table")
 ----
 ====
 
@@ -199,7 +199,7 @@ can put our normal short `time.sleep` back now though:
     inputbox.send_keys(Keys.ENTER)
     time.sleep(1)
 
-    table = self.browser.find_element(By.ID, 'id_list_table')
+    table = self.browser.find_element(By.ID, "id_list_table")
 ----
 ====
 
@@ -223,13 +223,13 @@ and add a new method to `HomePageTest`:
 [source,python]
 ----
 def test_uses_home_template(self):
-    response = self.client.get('/')
-    self.assertTemplateUsed(response, 'home.html')
+    response = self.client.get("/")
+    self.assertTemplateUsed(response, "home.html")
 
 
 def test_can_save_a_POST_request(self):
-    response = self.client.post('/', data={'item_text': 'A new list item'})
-    self.assertIn('A new list item', response.content.decode())
+    response = self.client.post("/", data={"item_text": "A new list item"})
+    self.assertIn("A new list item", response.content.decode())
 ----
 ====
 
@@ -261,10 +261,11 @@ silly return value:
 from django.http import HttpResponse
 from django.shortcuts import render
 
+
 def home_page(request):
-    if request.method == 'POST':
-        return HttpResponse(request.POST['item_text'])
-    return render(request, 'home.html')
+    if request.method == "POST":
+        return HttpResponse(request.POST["item_text"])
+    return render(request, "home.html")
 ----
 ====
 
@@ -321,9 +322,9 @@ template:
 [source,python]
 ----
     def test_can_save_a_POST_request(self):
-        response = self.client.post('/', data={'item_text': 'A new list item'})
-        self.assertIn('A new list item', response.content.decode())
-        self.assertTemplateUsed(response, 'home.html')
+        response = self.client.post("/", data={"item_text": "A new list item"})
+        self.assertIn("A new list item", response.content.decode())
+        self.assertTemplateUsed(response, "home.html")
 ----
 ====
 
@@ -346,9 +347,11 @@ right down to:
 [source,python]
 ----
 def home_page(request):
-    return render(request, 'home.html', {
-        'new_item_text': request.POST['item_text'],
-    })
+    return render(
+        request,
+        "home.html",
+        {"new_item_text": request.POST["item_text"]},
+    )
 ----
 ====
 
@@ -360,7 +363,7 @@ ERROR: test_uses_home_template
 
 [...]
   File "...python-tdd-book/lists/views.py", line 5, in home_page
-    'new_item_text': request.POST['item_text'],
+    {"new_item_text": request.POST["item_text"]},
 [...]
 django.utils.datastructures.MultiValueDictKeyError: 'item_text'
 ----
@@ -393,9 +396,11 @@ site manually, and we can get on with fixing it straight away.  Here's how:
 [source,python]
 ----
 def home_page(request):
-    return render(request, 'home.html', {
-        'new_item_text': request.POST.get('item_text', ''),
-    })
+    return render(
+        request,
+        "home.html",
+        {"new_item_text": request.POST.get("item_text", "")},
+    )
 ----
 ====
 
@@ -430,7 +435,7 @@ improved error messages stay around to help debug any future errors:
 [source,python]
 ----
 self.assertTrue(
-    any(row.text == '1: Buy peacock feathers' for row in rows),
+    any(row.text == "1: Buy peacock feathers" for row in rows),
     f"New to-do item did not appear in table. Contents were:\n{table.text}"  #<1>
 )
 ----
@@ -462,7 +467,7 @@ a much simpler implementation.  We can replace all four lines of the
 ====
 [source,python]
 ----
-    self.assertIn('1: Buy peacock feathers', [row.text for row in rows])
+    self.assertIn("1: Buy peacock feathers", [row.text for row in rows])
 ----
 ====
 
@@ -471,7 +476,7 @@ clever, because what you're probably being is 'overcomplicated'. And we get
 the error message for free:
 
 ----
-    self.assertIn('1: Buy peacock feathers', [row.text for row in rows])
+    self.assertIn("1: Buy peacock feathers", [row.text for row in rows])
 AssertionError: '1: Buy peacock feathers' not found in ['Buy peacock feathers']
 ----
 
@@ -490,7 +495,7 @@ quick "cheating" change to the template:
 
 
 [role="sourcecode"]
-.lists/templates/home.html
+.lists/templates/home.html (ch05l013)
 ====
 [source,html]
 ----
@@ -540,27 +545,31 @@ begin to see that our first cut solution really isn't going to, um, cut it:
 ====
 [source,python]
 ----
+def thing():
     # There is still a text box inviting her to add another item. She
-    # enters "Use peacock feathers to make a fly" (Edith is very
-    # methodical)
-    inputbox = self.browser.find_element(By.ID, 'id_new_item')
-    inputbox.send_keys('Use peacock feathers to make a fly')
+    # enters "Use peacock feathers to make a fly"
+    # (Edith is very methodical)
+    inputbox = self.browser.find_element(By.ID, "id_new_item")
+    inputbox.send_keys("Use peacock feathers to make a fly")
     inputbox.send_keys(Keys.ENTER)
     time.sleep(1)
 
     # The page updates again, and now shows both items on her list
-    table = self.browser.find_element(By.ID, 'id_list_table')
-    rows = table.find_elements(By.TAG_NAME, 'tr')
-    self.assertIn('1: Buy peacock feathers', [row.text for row in rows])
+    table = self.browser.find_element(By.ID, "id_list_table")
+    rows = table.find_elements(By.TAG_NAME, "tr")
     self.assertIn(
-        '2: Use peacock feathers to make a fly',
-         [row.text for row in rows]
+        "1: Buy peacock feathers",
+        [row.text for row in rows],
+    )
+    self.assertIn(
+        "2: Use peacock feathers to make a fly",
+        [row.text for row in rows],
     )
 
     # Edith wonders whether the site will remember her list. Then she sees
     # that the site has generated a unique URL for her -- there is some
     # explanatory text to that effect.
-    self.fail('Finish the test!')
+    self.fail("Finish the test!")
 
     # She visits that URL - her to-do list is still there.
 ----