diff --git a/.gitignore b/.gitignore
index 4d06a41..7fae7a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@ tools.db
 .idea/sqldialects.xml
 .idea_bak
 **/*.prof
+**/*.db
 
 # Created by .ignore support plugin (hsz.mobi)
 ### Python template
diff --git a/src/Users.db b/src/Users.db
deleted file mode 100644
index ecb1569..0000000
Binary files a/src/Users.db and /dev/null differ
diff --git a/src/main.py b/src/main.py
index 4fd3bd6..6ed01cf 100644
--- a/src/main.py
+++ b/src/main.py
@@ -20,7 +20,7 @@ daisyui_online_links = [
 ]
 
 app, rt = fast_app(
-  # before=beforeware,
+  before=beforeware,
   hdrs=tuple(daisyui_offline_links)
 )
 
diff --git a/src/myfasthtml/auth/pages/RegisterPage.py b/src/myfasthtml/auth/pages/RegisterPage.py
index 436ac6a..5f6bd74 100644
--- a/src/myfasthtml/auth/pages/RegisterPage.py
+++ b/src/myfasthtml/auth/pages/RegisterPage.py
@@ -106,6 +106,15 @@ class RegisterPage:
             cls="btn w-full font-bold py-2 px-4 rounded"
           ),
           
+          # Registration link
+          Div(
+            P(
+              "Already have an account? ",
+              A("Sign in here", href="/login", cls="text-blue-600 hover:underline"),
+              cls="text-sm text-gray-600 text-center"
+            )
+          ),
+          
           action="register-p",
           method="post",
           cls="mb-6"
diff --git a/src/myfasthtml/auth/routes.py b/src/myfasthtml/auth/routes.py
index 3d4487f..1e19432 100644
--- a/src/myfasthtml/auth/routes.py
+++ b/src/myfasthtml/auth/routes.py
@@ -45,7 +45,6 @@ def setup_auth_routes(app, rt, mount_auth_app=True):
     """
     return LoginPage(error_message=error)
   
-
   @rt("/login-p")
   def post(email: str, password: str, session, redirect_url: str = "/"):
     """
@@ -99,6 +98,7 @@ def setup_auth_routes(app, rt, mount_auth_app=True):
 
     Args:
         email: User email from form
+        username: User name of the
         password: User password from form
         confirm_password: Password confirmation from form
         session: FastHTML session object
@@ -107,12 +107,12 @@ def setup_auth_routes(app, rt, mount_auth_app=True):
         RegisterPage with success/error message via HTMX
     """
     # Validate password confirmation
-    # if password != confirm_password:
-    #   return RegisterPage(error_message="Passwords do not match. Please try again.")
-    #
-    # # Validate password length
-    # if len(password) < 8:
-    #   return RegisterPage(error_message="Password must be at least 8 characters long.")
+    if password != confirm_password:
+      return RegisterPage(error_message="Passwords do not match. Please try again.")
+    
+    # Validate password length
+    if len(password) < 8:
+      return RegisterPage(error_message="Password must be at least 8 characters long.")
     
     # Attempt registration
     result = register_user(email, username, password)
diff --git a/src/myfasthtml/core/testclient.py b/src/myfasthtml/core/testclient.py
index 2ab0dc2..bed8113 100644
--- a/src/myfasthtml/core/testclient.py
+++ b/src/myfasthtml/core/testclient.py
@@ -129,6 +129,307 @@ class TestableElement:
     
     # Send the request
     return self.client.send_request(method, url, headers=headers, data=data, json_data=json_data)
+  
+  def _support_htmx(self):
+    """Check if the element supports HTMX."""
+    return self.ft.has_attr('hx_get') or self.ft.has_attr('hx_post')
+
+
+class TestableForm(TestableElement):
+  """
+  Represents an HTML form that can be filled and submitted in tests.
+  """
+  
+  def __init__(self, client, source):
+    """
+    Initialize a testable form.
+
+    Args:
+        client: The MyTestClient instance.
+        source: The source HTML string containing a form.
+    """
+    super().__init__(client, source)
+    self.form = BeautifulSoup(source, 'html.parser').find('form')
+    self.fields_mapping = {}  # link between the input label and the input name
+    self.fields = {}  # field name; field value
+    self.select_fields = {}  # list of possible options for 'select' input fields
+    
+    self._update_fields_mapping()
+    self.update_fields()
+  
+  def update_fields(self):
+    """
+    Update the fields dictionary with current form values and their proper types.
+
+    This method processes all input and select elements in the form:
+    - Determines the appropriate Python type (str, int, float, bool) based on
+      the HTML input type attribute and/or the value itself
+    - For select elements, populates self.select_fields with available options
+    - Stores the final typed values in self.fields
+
+    Type conversion priority:
+    1. HTML type attribute (checkbox → bool, number → int/float, etc.)
+    2. Value analysis fallback for ambiguous types (text/hidden/absent type)
+    """
+    self.fields = {}
+    self.select_fields = {}
+    
+    # Process input fields
+    for input_field in self.form.find_all('input'):
+      name = input_field.get('name')
+      if not name:
+        continue
+      
+      input_type = input_field.get('type', 'text').lower()
+      raw_value = input_field.get('value', '')
+      
+      # Type conversion based on input type
+      if input_type == 'checkbox':
+        # Checkbox: bool based on 'checked' attribute
+        self.fields[name] = input_field.has_attr('checked')
+      
+      elif input_type == 'radio':
+        # Radio: str value (only if checked)
+        if input_field.has_attr('checked'):
+          self.fields[name] = raw_value
+        elif name not in self.fields:
+          # If no radio is checked yet, don't set a default
+          pass
+      
+      elif input_type == 'number':
+        # Number: int or float based on value
+        self.fields[name] = self._convert_number(raw_value)
+      
+      else:
+        # Other types (text, hidden, email, password, etc.): analyze value
+        self.fields[name] = self._convert_value(raw_value)
+    
+    # Process select fields
+    for select_field in self.form.find_all('select'):
+      name = select_field.get('name')
+      if not name:
+        continue
+      
+      # Extract all options
+      options = []
+      selected_value = None
+      
+      for option in select_field.find_all('option'):
+        option_value = option.get('value', option.get_text(strip=True))
+        option_text = option.get_text(strip=True)
+        
+        options.append({
+            'value': option_value,
+            'text': option_text
+        })
+        
+        # Track selected option
+        if option.has_attr('selected'):
+          selected_value = option_value
+      
+      # Store options list
+      self.select_fields[name] = options
+      
+      # Store selected value (or first option if none selected)
+      if selected_value is not None:
+        self.fields[name] = selected_value
+      elif options:
+        self.fields[name] = options[0]['value']
+  
+  def fill_form(self, **kwargs):
+    """
+    Fill the form with the given data.
+
+    Args:
+        **kwargs: Field names and their values to fill in the form.
+    """
+    for name, value in kwargs.items():
+      self.fields[name] = value
+  
+  def submit(self):
+    """
+    Submit the form.
+
+    Returns:
+        The response from the form submission.
+    """
+    return self._send_htmx_request(data=self.fields)
+  
+  def _update_fields_mapping(self):
+    """
+    Build a mapping between label text and input field names.
+
+    This method finds all labels in the form and associates them with their
+    corresponding input fields using the following priority order:
+    1. Explicit association via 'for' attribute matching input 'id'
+    2. Implicit association (label contains the input)
+    3. Parent-level association with 'for'/'id'
+    4. Proximity association (siblings in same parent)
+    5. No label (use input name as key)
+
+    The mapping is stored in self.fields_mapping as {label_text: input_name}.
+    For inputs without a name, the id is used. If neither exists, a generic
+    key like "unnamed_0" is generated.
+    """
+    self.fields_mapping = {}
+    processed_inputs = set()
+    unnamed_counter = 0
+    
+    # Get all inputs in the form
+    all_inputs = self.form.find_all('input')
+    
+    # Priority 1 & 2: Explicit association (for/id) and implicit (nested)
+    for label in self.form.find_all('label'):
+      label_text = label.get_text(strip=True)
+      
+      # Check for explicit association via 'for' attribute
+      label_for = label.get('for')
+      if label_for:
+        input_field = self.form.find('input', id=label_for)
+        if input_field:
+          input_name = self._get_input_identifier(input_field, unnamed_counter)
+          if input_name.startswith('unnamed_'):
+            unnamed_counter += 1
+          self.fields_mapping[label_text] = input_name
+          processed_inputs.add(id(input_field))
+          continue
+      
+      # Check for implicit association (label contains input)
+      input_field = label.find('input')
+      if input_field:
+        input_name = self._get_input_identifier(input_field, unnamed_counter)
+        if input_name.startswith('unnamed_'):
+          unnamed_counter += 1
+        self.fields_mapping[label_text] = input_name
+        processed_inputs.add(id(input_field))
+        continue
+    
+    # Priority 3 & 4: Parent-level associations
+    for label in self.form.find_all('label'):
+      label_text = label.get_text(strip=True)
+      
+      # Skip if this label was already processed
+      if label_text in self.fields_mapping:
+        continue
+      
+      parent = label.parent
+      if parent:
+        input_found = False
+        
+        # Priority 3: Look for sibling input with matching for/id
+        label_for = label.get('for')
+        if label_for:
+          for sibling in parent.find_all('input'):
+            if sibling.get('id') == label_for and id(sibling) not in processed_inputs:
+              input_name = self._get_input_identifier(sibling, unnamed_counter)
+              if input_name.startswith('unnamed_'):
+                unnamed_counter += 1
+              self.fields_mapping[label_text] = input_name
+              processed_inputs.add(id(sibling))
+              input_found = True
+              break
+        
+        # Priority 4: Fallback to proximity if no input found yet
+        if not input_found:
+          for sibling in parent.find_all('input'):
+            if id(sibling) not in processed_inputs:
+              input_name = self._get_input_identifier(sibling, unnamed_counter)
+              if input_name.startswith('unnamed_'):
+                unnamed_counter += 1
+              self.fields_mapping[label_text] = input_name
+              processed_inputs.add(id(sibling))
+              break
+    
+    # Priority 5: Inputs without labels
+    for input_field in all_inputs:
+      if id(input_field) not in processed_inputs:
+        input_name = self._get_input_identifier(input_field, unnamed_counter)
+        if input_name.startswith('unnamed_'):
+          unnamed_counter += 1
+        self.fields_mapping[input_name] = input_name
+  
+  @staticmethod
+  def _get_input_identifier(input_field, counter):
+    """
+    Get the identifier for an input field.
+
+    Args:
+        input_field: The BeautifulSoup Tag object representing the input.
+        counter: Current counter for unnamed inputs.
+
+    Returns:
+        The input name, id, or a generated "unnamed_X" identifier.
+    """
+    if input_field.get('name'):
+      return input_field['name']
+    elif input_field.get('id'):
+      return input_field['id']
+    else:
+      return f"unnamed_{counter}"
+  
+  @staticmethod
+  def _convert_number(value):
+    """
+    Convert a string value to int or float.
+
+    Args:
+        value: String value to convert.
+
+    Returns:
+        int, float, or empty string if conversion fails.
+    """
+    if not value or value.strip() == '':
+      return ''
+    
+    try:
+      # Try float first to detect decimal numbers
+      if '.' in value or 'e' in value.lower():
+        return float(value)
+      else:
+        return int(value)
+    except ValueError:
+      return value
+  
+  @staticmethod
+  def _convert_value(value):
+    """
+    Analyze and convert a value to its appropriate type.
+
+    Conversion priority:
+    1. Boolean keywords (true/false)
+    2. Float (contains decimal point)
+    3. Int (numeric)
+    4. Empty string
+    5. String (default)
+
+    Args:
+        value: String value to convert.
+
+    Returns:
+        Converted value with appropriate type (bool, float, int, or str).
+    """
+    if not value or value.strip() == '':
+      return ''
+    
+    value_lower = value.lower().strip()
+    
+    # Check for boolean
+    if value_lower in ('true', 'false'):
+      return value_lower == 'true'
+    
+    # Check for numeric values
+    try:
+      # Check for float (has decimal point or scientific notation)
+      if '.' in value or 'e' in value_lower:
+        return float(value)
+      # Try int
+      else:
+        return int(value)
+    except ValueError:
+      pass
+    
+    # Default to string
+    return value
 
 
 class MyTestClient:
@@ -320,6 +621,33 @@ class MyTestClient:
         f"Found {len(results)} elements matching selector '{selector}'. Expected exactly 1."
       )
   
+  def find_form(self, fields: list = None):
+    """
+    Find a form element in the page content.
+    Can provide title of the fields to ease the search
+    :param fields:
+    :return:
+    """
+    if self._content is None:
+      raise ValueError(
+        "No page content available. Call open() before find_element()."
+      )
+    
+    results = self._soup.select("form")
+    if len(results) == 0:
+      raise AssertionError(
+        f"No element form found."
+      )
+    
+    # result = _filter(results, fields)
+    
+    if len(results) == 1:
+      return TestableForm(self, results[0])
+    else:
+      raise AssertionError(
+        f"Found {len(results)} forms (with the specified fields). Expected exactly 1."
+      )
+  
   def get_content(self) -> str:
     """
     Get the raw HTML content of the last opened page.
diff --git a/tests/auth/__init__.py b/tests/auth/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/auth/test_login.py b/tests/auth/test_login.py
new file mode 100644
index 0000000..24898ea
--- /dev/null
+++ b/tests/auth/test_login.py
@@ -0,0 +1,39 @@
+import pytest
+from fasthtml.fastapp import fast_app
+
+from myfasthtml.auth.routes import setup_auth_routes
+from myfasthtml.auth.utils import create_auth_beforeware
+from myfasthtml.core.testclient import MyTestClient
+
+
+@pytest.fixture()
+def app():
+  beforeware = create_auth_beforeware()
+  test_app, test_rt = fast_app(before=beforeware)
+  setup_auth_routes(test_app, test_rt)
+  return test_app
+
+
+@pytest.fixture()
+def rt(app):
+  return app.route
+
+
+@pytest.fixture()
+def user(app):
+  user = MyTestClient(app)
+  return user
+
+def test_i_can_see_login_page(user):
+  user.open("/login")
+  user.should_see("Sign In")
+  user.should_see("Register here")
+  
+def test_i_cannot_login_with_wrong_credentials(user):
+  user.open("/login")
+  user.fill_form({
+    "username": "wrong",
+    "password": ""
+  })
+  user.click("button")
+  user.should_see("Invalid credentials")
\ No newline at end of file
diff --git a/tests/auth/test_register.py b/tests/auth/test_register.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/auth/test_utils.py b/tests/auth/test_utils.py
new file mode 100644
index 0000000..e1d576e
--- /dev/null
+++ b/tests/auth/test_utils.py
@@ -0,0 +1,33 @@
+import pytest
+from fasthtml.fastapp import fast_app
+
+from myfasthtml.auth.utils import create_auth_beforeware
+from myfasthtml.core.testclient import MyTestClient
+
+def test_non_protected_route():
+  app, rt = fast_app()
+  user = MyTestClient(app)
+  
+  @rt('/')
+  def index(): return "Welcome"
+  
+  @rt('/login')
+  def index(): return "Sign In"
+  
+  user.open("/")
+  user.should_see("Welcome")
+
+
+def test_all_routes_are_protected():
+  beforeware = create_auth_beforeware()
+  app, rt = fast_app(before=beforeware)
+  user = MyTestClient(app)
+  
+  @rt('/')
+  def index(): return "Welcome"
+  
+  @rt('/login')
+  def index(): return "Sign In"
+  
+  user.open("/")
+  user.should_see("Sign In")
diff --git a/tests/testclient/__init__.py b/tests/testclient/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_mytestclient.py b/tests/testclient/test_mytestclient.py
similarity index 100%
rename from tests/test_mytestclient.py
rename to tests/testclient/test_mytestclient.py
diff --git a/tests/test_testable_element.py b/tests/testclient/test_testable_element.py
similarity index 100%
rename from tests/test_testable_element.py
rename to tests/testclient/test_testable_element.py
diff --git a/tests/testclient/test_testable_form.py b/tests/testclient/test_testable_form.py
new file mode 100644
index 0000000..33914e2
--- /dev/null
+++ b/tests/testclient/test_testable_form.py
@@ -0,0 +1,585 @@
+import pytest
+
+from myfasthtml.core.testclient import TestableForm
+
+
+@pytest.fixture
+def mock_client():
+  """Mock client for testing purposes."""
+  return None
+
+
+class TestableFormUpdateFieldMapping:
+  def test_i_can_map_label_with_explicit_for_attribute(self, mock_client):
+    """
+    Test that labels with explicit 'for' attribute are correctly mapped.
+  
+    This is the most reliable association method (priority 1).
+    """
+    html = '<form><label for="uid">Username</label><input id="uid" name="username" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"Username": "username"}
+  
+  def test_i_can_map_label_containing_input(self, mock_client):
+    """
+    Test that labels containing inputs are correctly mapped.
+  
+    This tests implicit association by nesting (priority 2).
+    """
+    html = '<form><label>Username<input name="username" /></label></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"Username": "username"}
+  
+  def test_i_can_map_label_and_input_as_siblings_with_for_id(self, mock_client):
+    """
+    Test that sibling labels and inputs with for/id are correctly mapped.
+  
+    This tests parent-level association with explicit for/id (priority 3).
+    """
+    html = '<form><div><label for="uid">Username</label><input id="uid" name="username" /></div></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"Username": "username"}
+  
+  def test_i_can_map_label_and_input_as_siblings_by_proximity(self, mock_client):
+    """
+    Test that sibling labels and inputs are mapped by proximity.
+  
+    This tests association by proximity without for/id (priority 4).
+    """
+    html = '<form><div><label>Username</label><input name="username" /></div></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"Username": "username"}
+  
+  def test_i_can_map_input_without_label_using_name(self, mock_client):
+    """
+    Test that inputs without labels use their name attribute as key.
+  
+    This tests the fallback mechanism (priority 5).
+    """
+    html = '<form><input name="csrf_token" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"csrf_token": "csrf_token"}
+  
+  def test_i_can_map_input_without_name_using_id(self, mock_client):
+    """
+    Test that inputs without name attribute fallback to id attribute.
+  
+    This ensures inputs without name can still be identified.
+    """
+    html = '<form><input id="submit_btn" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"submit_btn": "submit_btn"}
+  
+  def test_i_can_map_input_without_name_and_id_using_unnamed(self, mock_client):
+    """
+    Test that inputs without name or id get a generated unnamed key.
+  
+    This ensures all inputs are tracked even without identifiers.
+    """
+    html = '<form><input type="submit" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"unnamed_0": "unnamed_0"}
+  
+  def test_i_can_handle_multiple_unnamed_inputs(self, mock_client):
+    """
+    Test that multiple unnamed inputs get incrementing counters.
+  
+    This ensures each unnamed input has a unique identifier.
+    """
+    html = '<form><input type="submit" /><input type="button" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"unnamed_0": "unnamed_0", "unnamed_1": "unnamed_1"}
+  
+  def test_i_can_strip_whitespace_from_label_text(self, mock_client):
+    """
+    Test that whitespace and newlines are stripped from label text.
+  
+    This ensures clean, consistent label keys in the mapping.
+    """
+    html = '<form><label for="uid">  Username  \n</label><input id="uid" name="username" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"Username": "username"}
+  
+  def test_i_can_extract_text_from_complex_labels(self, mock_client):
+    """
+    Test that text from nested elements in labels is extracted.
+  
+    This ensures labels with spans, emphasis, etc. are handled correctly.
+    """
+    html = '<form><label for="uid">Username <span class="required">*</span></label><input id="uid" name="username" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"Username*": "username"}
+  
+  def test_i_can_handle_mixed_scenarios_in_same_form(self, mock_client):
+    """
+    Test that all association priorities work together in one form.
+  
+    This is a comprehensive test ensuring the priority system works correctly.
+    """
+    html = '''
+      <form>
+          <label for="email">Email</label>
+          <input id="email" name="email" />
+  
+          <label>Password<input name="password" /></label>
+  
+          <div>
+              <label for="phone">Phone</label>
+              <input id="phone" name="phone" />
+          </div>
+  
+          <div>
+              <label>Address</label>
+              <input name="address" />
+          </div>
+  
+          <input name="csrf_token" />
+          <input id="submit_btn" />
+          <input type="hidden" />
+      </form>
+      '''
+    form = TestableForm(mock_client, html)
+    
+    expected = {
+        "Email": "email",
+        "Password": "password",
+        "Phone": "phone",
+        "Address": "address",
+        "csrf_token": "csrf_token",
+        "submit_btn": "submit_btn",
+        "unnamed_0": "unnamed_0"
+    }
+    
+    assert form.fields_mapping == expected
+  
+  def test_i_can_handle_empty_form(self, mock_client):
+    """
+    Test that an empty form doesn't cause errors.
+  
+    This ensures robustness when dealing with minimal forms.
+    """
+    html = '<form></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {}
+  
+  def test_i_can_handle_form_with_only_labels(self, mock_client):
+    """
+    Test that labels without associated inputs don't cause errors.
+  
+    This ensures the code handles malformed or incomplete forms gracefully.
+    """
+    html = '<form><label>Test</label></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {}
+  
+  def test_i_can_handle_label_with_invalid_for_attribute(self, mock_client):
+    """
+    Test that labels with invalid 'for' attributes fallback correctly.
+  
+    This ensures the priority system cascades properly when higher
+    priorities fail to find a match.
+    """
+    html = '<form><div><label for="nonexistent">Test</label><input name="field" /></div></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields_mapping == {"Test": "field"}
+
+
+class TestableFormUpdateFieldValues:
+  def test_i_can_handle_checkbox_checked(self, mock_client):
+    """
+    Test that a checked checkbox is converted to True.
+
+    This ensures proper boolean handling for checked checkboxes.
+    """
+    html = '<form><input type="checkbox" name="agree" checked /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"agree": True}, \
+      f"Expected {{'agree': True}}, got {form.fields}"
+  
+  def test_i_can_handle_checkbox_unchecked(self, mock_client):
+    """
+    Test that an unchecked checkbox is converted to False.
+  
+    This ensures proper boolean handling for unchecked checkboxes.
+    """
+    html = '<form><input type="checkbox" name="agree" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"agree": False}, \
+      f"Expected {{'agree': False}}, got {form.fields}"
+  
+  def test_i_can_handle_radio_button_checked(self, mock_client):
+    """
+    Test that a checked radio button returns its value as string.
+  
+    This ensures radio buttons store their value attribute.
+    """
+    html = '<form><input type="radio" name="size" value="large" checked /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"size": "large"}, \
+      f"Expected {{'size': 'large'}}, got {form.fields}"
+  
+  def test_i_can_handle_multiple_radio_buttons_with_one_checked(self, mock_client):
+    """
+    Test that only the checked radio button value is returned.
+  
+    This ensures correct handling of radio button groups.
+    """
+    html = '''
+        <form>
+            <input type="radio" name="size" value="small" />
+            <input type="radio" name="size" value="medium" checked />
+            <input type="radio" name="size" value="large" />
+        </form>
+        '''
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"size": "medium"}, \
+      f"Expected {{'size': 'medium'}}, got {form.fields}"
+  
+  def test_i_can_handle_radio_buttons_with_none_checked(self, mock_client):
+    """
+    Test that no value is set when no radio button is checked.
+  
+    This ensures proper handling of unchecked radio button groups.
+    """
+    html = '''
+        <form>
+            <input type="radio" name="size" value="small" />
+            <input type="radio" name="size" value="medium" />
+            <input type="radio" name="size" value="large" />
+        </form>
+        '''
+    form = TestableForm(mock_client, html)
+    
+    assert "size" not in form.fields, \
+      f"Expected 'size' not in fields, got {form.fields}"
+  
+  def test_i_can_handle_number_input_with_integer(self, mock_client):
+    """
+    Test that a number input with integer value becomes int.
+  
+    This ensures proper type conversion for integer numbers.
+    """
+    html = '<form><input type="number" name="age" value="25" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"age": 25}, \
+      f"Expected {{'age': 25}}, got {form.fields}"
+    assert isinstance(form.fields["age"], int), \
+      f"Expected int type, got {type(form.fields['age'])}"
+  
+  def test_i_can_handle_number_input_with_float(self, mock_client):
+    """
+    Test that a number input with decimal value becomes float.
+  
+    This ensures proper type conversion for floating point numbers.
+    """
+    html = '<form><input type="number" name="price" value="19.99" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"price": 19.99}, \
+      f"Expected {{'price': 19.99}}, got {form.fields}"
+    assert isinstance(form.fields["price"], float), \
+      f"Expected float type, got {type(form.fields['price'])}"
+  
+  def test_i_can_handle_text_input_with_string_value(self, mock_client):
+    """
+    Test that a text input with string value remains str.
+  
+    This ensures text values are not converted unnecessarily.
+    """
+    html = '<form><input type="text" name="username" value="john_doe" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"username": "john_doe"}, \
+      f"Expected {{'username': 'john_doe'}}, got {form.fields}"
+    assert isinstance(form.fields["username"], str), \
+      f"Expected str type, got {type(form.fields['username'])}"
+  
+  def test_i_can_handle_text_input_with_integer_value(self, mock_client):
+    """
+    Test that a text input with numeric value is converted to int.
+  
+    This ensures automatic type detection for text inputs.
+    """
+    html = '<form><input type="text" name="code" value="123" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"code": 123}, \
+      f"Expected {{'code': 123}}, got {form.fields}"
+    assert isinstance(form.fields["code"], int), \
+      f"Expected int type, got {type(form.fields['code'])}"
+  
+  def test_i_can_handle_text_input_with_float_value(self, mock_client):
+    """
+    Test that a text input with decimal value is converted to float.
+  
+    This ensures automatic float detection for text inputs.
+    """
+    html = '<form><input type="text" name="rate" value="3.14" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"rate": 3.14}, \
+      f"Expected {{'rate': 3.14}}, got {form.fields}"
+    assert isinstance(form.fields["rate"], float), \
+      f"Expected float type, got {type(form.fields['rate'])}"
+  
+  def test_i_can_handle_text_input_with_boolean_true(self, mock_client):
+    """
+    Test that a text input with 'true' is converted to bool.
+  
+    This ensures boolean keyword detection for text inputs.
+    """
+    html = '<form><input type="text" name="flag" value="true" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"flag": True}, \
+      f"Expected {{'flag': True}}, got {form.fields}"
+    assert isinstance(form.fields["flag"], bool), \
+      f"Expected bool type, got {type(form.fields['flag'])}"
+  
+  def test_i_can_handle_text_input_with_boolean_false(self, mock_client):
+    """
+    Test that a text input with 'false' is converted to bool.
+  
+    This ensures boolean keyword detection for false values.
+    """
+    html = '<form><input type="text" name="flag" value="false" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"flag": False}, \
+      f"Expected {{'flag': False}}, got {form.fields}"
+    assert isinstance(form.fields["flag"], bool), \
+      f"Expected bool type, got {type(form.fields['flag'])}"
+  
+  def test_i_can_handle_hidden_input_with_auto_conversion(self, mock_client):
+    """
+    Test that hidden inputs benefit from automatic type conversion.
+  
+    This ensures hidden fields are processed like text fields.
+    """
+    html = '<form><input type="hidden" name="id" value="42" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"id": 42}, \
+      f"Expected {{'id': 42}}, got {form.fields}"
+    assert isinstance(form.fields["id"], int), \
+      f"Expected int type, got {type(form.fields['id'])}"
+  
+  def test_i_can_handle_empty_input_value(self, mock_client):
+    """
+    Test that an empty input value remains an empty string.
+  
+    This ensures empty values are not converted to None or other types.
+    """
+    html = '<form><input type="text" name="optional" value="" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"optional": ""}, \
+      f"Expected {{'optional': ''}}, got {form.fields}"
+    assert isinstance(form.fields["optional"], str), \
+      f"Expected str type, got {type(form.fields['optional'])}"
+  
+  def test_i_can_extract_select_options(self, mock_client):
+    """
+    Test that select options are correctly extracted.
+  
+    This ensures proper population of select_fields dictionary.
+    """
+    html = '''
+        <form>
+            <select name="country">
+                <option value="FR">France</option>
+                <option value="US">USA</option>
+            </select>
+        </form>
+        '''
+    form = TestableForm(mock_client, html)
+    
+    expected_options = [
+        {"value": "FR", "text": "France"},
+        {"value": "US", "text": "USA"}
+    ]
+    
+    assert form.select_fields == {"country": expected_options}, \
+      f"Expected {{'country': {expected_options}}}, got {form.select_fields}"
+  
+  def test_i_can_handle_select_with_selected_option(self, mock_client):
+    """
+    Test that the selected option is stored in fields.
+  
+    This ensures proper detection of selected options.
+    """
+    html = '''
+        <form>
+            <select name="country">
+                <option value="FR">France</option>
+                <option value="US" selected>USA</option>
+            </select>
+        </form>
+        '''
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"country": "US"}, \
+      f"Expected {{'country': 'US'}}, got {form.fields}"
+  
+  def test_i_can_handle_select_without_selected_option(self, mock_client):
+    """
+    Test that the first option is used by default.
+  
+    This ensures proper default value handling for select fields.
+    """
+    html = '''
+        <form>
+            <select name="country">
+                <option value="FR">France</option>
+                <option value="US">USA</option>
+            </select>
+        </form>
+        '''
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"country": "FR"}, \
+      f"Expected {{'country': 'FR'}}, got {form.fields}"
+  
+  def test_i_can_handle_select_option_without_value_attribute(self, mock_client):
+    """
+    Test that option text is used when value attribute is missing.
+  
+    This ensures fallback to text content for options without value.
+    """
+    html = '''
+        <form>
+            <select name="country">
+                <option>France</option>
+                <option>USA</option>
+            </select>
+        </form>
+        '''
+    form = TestableForm(mock_client, html)
+    
+    expected_options = [
+        {"value": "France", "text": "France"},
+        {"value": "USA", "text": "USA"}
+    ]
+    
+    assert form.select_fields == {"country": expected_options}, \
+      f"Expected {{'country': {expected_options}}}, got {form.select_fields}"
+  
+  def test_i_can_handle_mixed_input_types_in_same_form(self, mock_client):
+    """
+    Test that all input types work together correctly.
+  
+    This is a comprehensive test ensuring type handling is consistent.
+    """
+    html = '''
+        <form>
+            <input type="text" name="username" value="john" />
+            <input type="number" name="age" value="30" />
+            <input type="checkbox" name="subscribe" checked />
+            <input type="radio" name="gender" value="male" checked />
+            <input type="hidden" name="token" value="123" />
+            <select name="country">
+                <option value="FR" selected>France</option>
+                <option value="US">USA</option>
+            </select>
+        </form>
+        '''
+    form = TestableForm(mock_client, html)
+    
+    expected_fields = {
+        "username": "john",
+        "age": 30,
+        "subscribe": True,
+        "gender": "male",
+        "token": 123,
+        "country": "FR"
+    }
+    
+    assert form.fields == expected_fields, \
+      f"Expected {expected_fields}, got {form.fields}"
+    
+    assert "country" in form.select_fields, \
+      f"Expected 'country' in select_fields, got {form.select_fields}"
+  
+  def test_i_can_handle_input_without_name_attribute(self, mock_client):
+    """
+    Test that inputs without name attribute are ignored.
+  
+    This ensures proper handling of unnamed inputs.
+    """
+    html = '<form><input type="text" value="test" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {}, \
+      f"Expected empty dict, got {form.fields}"
+  
+  def test_i_can_handle_select_without_name_attribute(self, mock_client):
+    """
+    Test that select elements without name attribute are ignored.
+  
+    This ensures proper handling of unnamed select fields.
+    """
+    html = '<form><select><option>Test</option></select></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.select_fields == {}, \
+      f"Expected empty dict, got {form.select_fields}"
+    assert form.fields == {}, \
+      f"Expected empty dict, got {form.fields}"
+  
+  def test_i_can_handle_number_input_with_empty_value(self, mock_client):
+    """
+    Test that a number input with empty value remains empty string.
+  
+    This ensures empty values are not converted to 0 or None.
+    """
+    html = '<form><input type="number" name="count" value="" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"count": ""}, \
+      f"Expected {{'count': ''}}, got {form.fields}"
+  
+  def test_i_can_handle_select_with_empty_options(self, mock_client):
+    """
+    Test behavior with a select element without options.
+  
+    This ensures robustness when dealing with empty selects.
+    """
+    html = '<form><select name="empty"></select></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.select_fields == {"empty": []}, \
+      f"Expected {{'empty': []}}, got {form.select_fields}"
+    assert "empty" not in form.fields, \
+      f"Expected 'empty' not in fields, got {form.fields}"
+  
+  def test_i_can_handle_case_insensitive_boolean_values(self, mock_client):
+    """
+    Test that boolean values are case-insensitive.
+  
+    This ensures 'TRUE', 'True', 'FALSE', 'False' are all converted properly.
+    """
+    html = '<form><input type="text" name="flag" value="TRUE" /></form>'
+    form = TestableForm(mock_client, html)
+    
+    assert form.fields == {"flag": True}, \
+      f"Expected {{'flag': True}}, got {form.fields}"
+    assert isinstance(form.fields["flag"], bool), \
+      f"Expected bool type, got {type(form.fields['flag'])}"