Updated README.md.

Added other TestableControls

tests/testclient/test_testable_datalist.py

@@ -0,0 +1,124 @@
+"""
+Comprehensive binding tests for all bindable FastHTML components.
+
+This test suite covers:
+- Input (text) - already tested
+- Checkbox - already tested
+- Textarea
+- Select (single)
+- Select (multiple)
+- Range (slider)
+- Radio buttons
+- Button
+- Input with Datalist (combobox)
+"""
+
+from dataclasses import dataclass
+
+from fasthtml.components import (
+  Input, Label, Option, Datalist
+)
+
+from myfasthtml.controls.helpers import mk
+from myfasthtml.core.bindings import Binding
+
+
+@dataclass
+class Data:
+  value: str = "hello world"
+
+
+@dataclass
+class NumericData:
+  value: int = 50
+
+
+@dataclass
+class BoolData:
+  value: bool = True
+
+
+@dataclass
+class ListData:
+  value: list = None
+  
+  def __post_init__(self):
+    if self.value is None:
+      self.value = []
+
+
+class TestBindingDatalist:
+  """Tests for binding Input with Datalist (combobox)."""
+  
+  def test_i_can_bind_input_with_datalist(self, user, rt):
+    """
+    Input with datalist should allow both free text and suggestions.
+    """
+    
+    @rt("/")
+    def index():
+      data = Data("")
+      datalist = Datalist(
+        Option(value="suggestion1"),
+        Option(value="suggestion2"),
+        Option(value="suggestion3"),
+        id="suggestions"
+      )
+      input_elt = Input(
+        name="input_name",
+        list="suggestions"
+      )
+      label_elt = Label()
+      
+      mk.manage_binding(input_elt, Binding(data))
+      mk.manage_binding(label_elt, Binding(data))
+      
+      return input_elt, datalist, label_elt
+    
+    user.open("/")
+    user.should_see("")
+    
+    testable_input = user.find_element("input[list='suggestions']")
+    
+    # Can type free text
+    testable_input.send("custom value")
+    user.should_see("custom value")
+    
+    # Can select from suggestions
+    testable_input.select_suggestion("suggestion2")
+    user.should_see("suggestion2")
+  
+  def test_datalist_suggestions_are_available(self, user, rt):
+    """
+    Datalist suggestions should be accessible for validation.
+    """
+    
+    @rt("/")
+    def index():
+      data = Data("")
+      datalist = Datalist(
+        Option(value="apple"),
+        Option(value="banana"),
+        Option(value="cherry"),
+        id="fruits"
+      )
+      input_elt = Input(
+        name="input_name",
+        list="fruits"
+      )
+      label_elt = Label()
+      
+      mk.manage_binding(input_elt, Binding(data))
+      mk.manage_binding(label_elt, Binding(data))
+      
+      return input_elt, datalist, label_elt
+    
+    user.open("/")
+    
+    testable_input = user.find_element("input[list='fruits']")
+    
+    # Check that suggestions are available
+    suggestions = testable_input.suggestions
+    assert "apple" in suggestions
+    assert "banana" in suggestions
+    assert "cherry" in suggestions