Only inputs react on binding

src/myfasthtml/controls/helpers.py

@@ -38,9 +38,10 @@ class mk:
   @staticmethod
   def manage_binding(ft, binding: Binding):
     if binding:
-      # update the component to post on the correct route
-      htmx = binding.get_htmx_params()
-      ft.attrs |= htmx
+      if ft.tag in ["input"]:
+        # update the component to post on the correct route input and forms only
+        htmx = binding.get_htmx_params()
+        ft.attrs |= htmx
       
       # update the binding with the ft
       ft_attr = binding.ft_attr or get_default_ft_attr(ft)

tests/controls/test_helpers.py

@@ -1,13 +1,22 @@
+from dataclasses import dataclass
+from typing import Any
+
 import pytest
 from fasthtml.components import *
 from fasthtml.fastapp import fast_app
 
 from myfasthtml.controls.helpers import mk
+from myfasthtml.core.bindings import Binding
 from myfasthtml.core.commands import Command
 from myfasthtml.test.matcher import matches
 from myfasthtml.test.testclient import MyTestClient
 
 
+@dataclass
+class Data:
+  value: Any
+
+
 @pytest.fixture()
 def user():
   test_app, rt = fast_app(default_hdrs=False)
@@ -46,3 +55,37 @@ def test_i_can_mk_button_with_command(user, rt):
   
   user.find_element("button").click()
   user.should_see("this is my new value")
+
+
+class TestingBindings:
+  @pytest.fixture()
+  def data(self):
+    return Data("value")
+  
+  def test_i_can_bind_an_input(self, data):
+    elt = Input(name="input_elt", value="hello")
+    binding = Binding(data, "value")
+    elt = mk.manage_binding(elt, binding)
+    
+    # element is updated
+    assert "hx-post" in elt.attrs
+    assert "hx-vals" in elt.attrs
+    assert "b_id" in elt.attrs["hx-vals"]
+    
+    # binding is also updated
+    assert binding.ft == elt
+    assert binding.ft_name == "input_elt"
+    
+  def test_i_can_bind_none_input(self, data):
+    elt = Label("hello", name="input_elt")
+    binding = Binding(data, "value")
+    elt = mk.manage_binding(elt, binding)
+    
+    # element is updated
+    assert "hx-post" not in elt.attrs
+    assert "hx-get" not in elt.attrs
+    
+    # binding is also updated
+    assert binding.ft == elt
+    assert binding.ft_name == "input_elt"
+