I can bind select

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2025-11-08 19:58:47 +01:00
parent 6a05a84f0c
commit ad2823042c
22 changed files with 591 additions and 651 deletions

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@@ -1,136 +1,46 @@
"""
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 (
Label, Textarea
)
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 TestBindingTextarea:
"""Tests for binding Textarea components."""
def test_i_can_bind_textarea(self, user, rt):
"""
Textarea should bind bidirectionally with data.
Value changes should update the label.
"""
@rt("/")
def index():
data = Data("Initial text")
textarea_elt = Textarea(name="textarea_name")
label_elt = Label()
mk.manage_binding(textarea_elt, Binding(data))
mk.manage_binding(label_elt, Binding(data))
return textarea_elt, label_elt
user.open("/")
user.should_see("Initial text")
testable_textarea = user.find_element("textarea")
testable_textarea.send("New multiline\ntext content")
user.should_see("New multiline\ntext content")
def test_i_can_bind_textarea_with_empty_initial_value(self, user, rt):
"""
Textarea with empty initial value should update correctly.
"""
@rt("/")
def index():
data = Data("")
textarea_elt = Textarea(name="textarea_name")
label_elt = Label()
mk.manage_binding(textarea_elt, Binding(data))
mk.manage_binding(label_elt, Binding(data))
return textarea_elt, label_elt
user.open("/")
user.should_see("") # Empty initially
testable_textarea = user.find_element("textarea")
testable_textarea.send("First content")
user.should_see("First content")
def test_textarea_append_works_with_binding(self, user, rt):
"""
Appending text to textarea should trigger binding update.
"""
@rt("/")
def index():
data = Data("Start")
textarea_elt = Textarea(name="textarea_name")
label_elt = Label()
mk.manage_binding(textarea_elt, Binding(data))
mk.manage_binding(label_elt, Binding(data))
return textarea_elt, label_elt
user.open("/")
user.should_see("Start")
testable_textarea = user.find_element("textarea")
testable_textarea.append(" + More")
user.should_see("Start + More")
def test_textarea_clear_works_with_binding(self, user, rt):
"""
Clearing textarea should update binding to empty string.
"""
@rt("/")
def index():
data = Data("Content to clear")
textarea_elt = Textarea(name="textarea_name")
label_elt = Label()
mk.manage_binding(textarea_elt, Binding(data))
mk.manage_binding(label_elt, Binding(data))
return textarea_elt, label_elt
user.open("/")
user.should_see("Content to clear")
testable_textarea = user.find_element("textarea")
testable_textarea.clear()
user.should_not_see("Content to clear")
from dataclasses import dataclass
import pytest
from fasthtml.fastapp import fast_app
from myfasthtml.test.testclient import MyTestClient, TestableTextarea
@dataclass
class Data:
value: str = "hello world"
@pytest.fixture
def test_app():
test_app, rt = fast_app(default_hdrs=False)
return test_app
@pytest.fixture
def rt(test_app):
return test_app.route
@pytest.fixture
def test_client(test_app):
return MyTestClient(test_app)
def test_i_can_read_input(test_client):
html = '''<textarea name="textarea_name">Lorem ipsum</textarea>'''
input_elt = TestableTextarea(test_client, html)
assert input_elt.name == "textarea_name"
assert input_elt.value == "Lorem ipsum"
@pytest.mark.skip("To update later")
def test_i_can_read_input_with_label(test_client):
html = '''<label for="uid">Text Area</label><textarea id="uid" name="textarea_name">Lorem ipsum</textarea>'''
input_elt = TestableTextarea(test_client, html)
assert input_elt.fields_mapping == {"Text Area": "textarea_name"}
assert input_elt.name == "textarea_name"
assert input_elt.value == "Lorem ipsum"