Added Commands Management

tests/test_integration_commands.py

@@ -0,0 +1,53 @@
+import pytest
+from fasthtml.fastapp import fast_app
+
+from myfasthtml.controls.button import mk_button
+from myfasthtml.core.commands import Command, CommandsManager
+from myfasthtml.core.testclient import MyTestClient, TestableElement
+
+
+def new_value(value):
+  return value
+
+
+@pytest.fixture()
+def user():
+  test_app, rt = fast_app(default_hdrs=False)
+  user = MyTestClient(test_app)
+  return user
+
+
+@pytest.fixture()
+def rt(user):
+  return user.app.route
+
+
+def test_i_can_trigger_a_command(user):
+  command = Command('test', 'TestingCommand', new_value, "this is my new value")
+  testable = TestableElement(user, mk_button('button', command))
+  testable.click()
+  assert user.get_content() == "this is my new value"
+
+
+def test_error_is_raised_when_command_is_not_found(user):
+  command = Command('test', 'TestingCommand', new_value, "this is my new value")
+  CommandsManager.reset()
+  testable = TestableElement(user, mk_button('button', command))
+  
+  with pytest.raises(ValueError) as exc_info:
+    testable.click()
+  
+  assert "not found." in str(exc_info.value)
+
+
+def test_i_can_play_a_complex_scenario(user, rt):
+  command = Command('test', 'TestingCommand', new_value, "this is my new value")
+  
+  @rt('/')
+  def get(): return mk_button('button', command)
+  
+  user.open("/")
+  user.should_see("button")
+  
+  user.find_element("button").click()
+  user.should_see("this is my new value")