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|
import pytest
from textual.app import App, ComposeResult
from textual.color import Color
from textual.containers import Container
from textual.css.query import (
DeclarationError,
InvalidQueryFormat,
NoMatches,
TooManyMatches,
WrongType,
)
from textual.widget import Widget
from textual.widgets import Input, Label
def test_query_errors():
app = App()
with pytest.raises(InvalidQueryFormat):
app.query_one("foo_bar")
with pytest.raises(InvalidQueryFormat):
app.query("foo_bar")
with pytest.raises(InvalidQueryFormat):
app.query("1")
with pytest.raises(InvalidQueryFormat):
app.query_one("1")
def test_query():
class View(Widget):
pass
class View2(View):
pass
class App(Widget):
pass
app = App()
main_view = View(id="main")
help_view = View2(id="help")
app._add_child(main_view)
app._add_child(help_view)
widget1 = Widget(id="widget1")
widget2 = Widget(id="widget2")
sidebar = Widget(id="sidebar")
sidebar.add_class("float")
helpbar = Widget(id="helpbar")
helpbar.add_class("float")
main_view._add_child(widget1)
main_view._add_child(widget2)
main_view._add_child(sidebar)
sub_view = View(id="sub")
sub_view.add_class("-subview")
main_view._add_child(sub_view)
tooltip = Widget(id="tooltip")
tooltip.add_class("float", "transient")
sub_view._add_child(tooltip)
help = Widget(id="markdown")
help_view._add_child(help)
help_view._add_child(helpbar)
# repeat tests to account for caching
for repeat in range(3):
assert list(app.query_children()) == [main_view, help_view]
assert list(app.query_children("*")) == [main_view, help_view]
assert list(app.query_children("#help")) == [help_view]
assert list(main_view.query_children(".float")) == [sidebar]
assert list(app.query("Frob")) == []
assert list(app.query(".frob")) == []
assert list(app.query("#frob")) == []
assert not app.query("NotAnApp")
assert list(app.query("App")) == [] # Root is not included in queries
assert list(app.query("#main")) == [main_view]
assert list(app.query("View#main")) == [main_view]
assert list(app.query("View2#help")) == [help_view]
assert list(app.query("#widget1")) == [widget1]
assert list(app.query("#Widget1")) == [] # Note case.
assert list(app.query("#widget2")) == [widget2]
assert list(app.query("#Widget2")) == [] # Note case.
assert list(app.query("Widget.float")) == [sidebar, tooltip, helpbar]
assert list(app.query(Widget).filter(".float")) == [sidebar, tooltip, helpbar]
assert list(
app.query(Widget)
.exclude("App")
.exclude("#sub")
.exclude("#markdown")
.exclude("#main")
.exclude("#help")
.exclude("#widget1")
.exclude("#widget2")
) == [sidebar, tooltip, helpbar]
assert list(reversed(app.query("Widget.float"))) == [helpbar, tooltip, sidebar]
assert list(app.query("Widget.float").results(Widget)) == [
sidebar,
tooltip,
helpbar,
]
assert list(app.query("Widget.float").results()) == [
sidebar,
tooltip,
helpbar,
]
assert list(app.query("Widget.float").results(View)) == []
assert app.query_one("#widget1") == widget1
assert app.query_one("#widget1", Widget) == widget1
with pytest.raises(TooManyMatches):
_ = app.query_exactly_one(Widget)
assert app.query("Widget.float")[0] == sidebar
assert app.query("Widget.float")[0:2] == [sidebar, tooltip]
assert list(app.query("Widget.float.transient")) == [tooltip]
assert list(app.query("App > View")) == [main_view, help_view]
assert list(app.query("App > View#help")) == [help_view]
assert list(app.query("App > View#main .float ")) == [sidebar, tooltip]
assert list(app.query("View > View")) == [sub_view]
assert list(app.query("#help *")) == [help, helpbar]
assert list(app.query("#main *")) == [
widget1,
widget2,
sidebar,
sub_view,
tooltip,
]
assert list(app.query("View")) == [main_view, sub_view, help_view]
assert list(app.query("#widget1, #widget2")) == [widget1, widget2]
assert list(app.query("#widget1 , #widget2")) == [widget1, widget2]
assert list(app.query("#widget1, #widget2, App")) == [widget1, widget2]
assert app.query(".float").first() == sidebar
assert app.query(".float").last() == helpbar
with pytest.raises(NoMatches):
_ = app.query(".no_such_class").first()
with pytest.raises(NoMatches):
_ = app.query(".no_such_class").last()
with pytest.raises(WrongType):
_ = app.query(".float").first(View)
with pytest.raises(WrongType):
_ = app.query(".float").last(View)
def test_query_classes():
class App(Widget):
pass
class ClassTest(Widget):
pass
CHILD_COUNT = 100
# Create a fake app to hold everything else.
app = App()
# Now spin up a bunch of children.
for n in range(CHILD_COUNT):
app._add_child(ClassTest(id=f"child{n}"))
# Let's just be 100% sure everything was created fine.
assert len(app.query(ClassTest)) == CHILD_COUNT
# Now, let's check there are *no* children with the test class.
assert len(app.query(".test")) == 0
# Add classes via set_classes
app.query(ClassTest).set_classes("foo bar")
assert (len(app.query(".foo"))) == CHILD_COUNT
assert (len(app.query(".bar"))) == CHILD_COUNT
# Reset classes
app.query(ClassTest).set_classes("")
assert (len(app.query(".foo"))) == 0
assert (len(app.query(".bar"))) == 0
# Repeat, to check setting empty iterable
app.query(ClassTest).set_classes("foo bar")
assert (len(app.query(".foo"))) == CHILD_COUNT
assert (len(app.query(".bar"))) == CHILD_COUNT
app.query(ClassTest).set_classes([])
assert (len(app.query(".foo"))) == 0
assert (len(app.query(".bar"))) == 0
# Add the test class to everything and then check again.
app.query(ClassTest).add_class("test")
assert len(app.query(".test")) == CHILD_COUNT
# Remove the test class from everything then try again.
app.query(ClassTest).remove_class("test")
assert len(app.query(".test")) == 0
# Add the test class to everything using set_class.
app.query(ClassTest).set_class(True, "test")
assert len(app.query(".test")) == CHILD_COUNT
# Remove the test class from everything using set_class.
app.query(ClassTest).set_class(False, "test")
assert len(app.query(".test")) == 0
# Add the test class to everything using toggle_class.
app.query(ClassTest).toggle_class("test")
assert len(app.query(".test")) == CHILD_COUNT
# Remove the test class from everything using toggle_class.
app.query(ClassTest).toggle_class("test")
assert len(app.query(".test")) == 0
def test_invalid_query():
class App(Widget):
pass
app = App()
with pytest.raises(InvalidQueryFormat):
app.query("#3")
with pytest.raises(InvalidQueryFormat):
app.query("#foo").exclude("#2")
async def test_universal_selector_doesnt_select_self():
class ExampleApp(App):
def compose(self) -> ComposeResult:
yield Container(
Widget(
Widget(),
Widget(
Widget(),
),
),
Widget(),
id="root-container",
)
app = ExampleApp()
async with app.run_test():
container = app.query_one("#root-container", Container)
query = container.query("*")
results = list(query.results())
assert len(results) == 5
assert not any(node.id == "root-container" for node in results)
async def test_query_set_styles_invalid_css_raises_error():
app = App()
async with app.run_test():
with pytest.raises(DeclarationError):
app.query(Widget).set_styles(css="random-rule: 1fr;")
async def test_query_set_styles_kwds():
class LabelApp(App):
def compose(self):
yield Label("Some text")
app = LabelApp()
async with app.run_test():
# Sanity check.
assert app.query_one(Label).styles.color != Color(255, 0, 0)
app.query(Label).set_styles(color="red")
assert app.query_one(Label).styles.color == Color(255, 0, 0)
async def test_query_set_styles_css_and_kwds():
class LabelApp(App):
def compose(self):
yield Label("Some text")
app = LabelApp()
async with app.run_test():
# Sanity checks.
lbl = app.query_one(Label)
assert lbl.styles.color != Color(255, 0, 0)
assert lbl.styles.background != Color(255, 0, 0)
app.query(Label).set_styles(css="background: red;", color="red")
assert app.query_one(Label).styles.color == Color(255, 0, 0)
assert app.query_one(Label).styles.background == Color(255, 0, 0)
async def test_query_set_styles_css():
class LabelApp(App):
def compose(self):
yield Label("Some text")
app = LabelApp()
async with app.run_test():
# Sanity checks.
lbl = app.query_one(Label)
assert lbl.styles.color != Color(255, 0, 0)
assert lbl.styles.background != Color(255, 0, 0)
app.query(Label).set_styles(css="background: red; color: red;")
assert app.query_one(Label).styles.color == Color(255, 0, 0)
assert app.query_one(Label).styles.background == Color(255, 0, 0)
@pytest.mark.parametrize(
"args", [(False, False), (True, False), (True, True), (False, True)]
)
async def test_query_refresh(args):
refreshes = []
class MyWidget(Widget):
def refresh(self, *, repaint=None, layout=None, recompose=None):
super().refresh(repaint=repaint, layout=layout)
refreshes.append((repaint, layout))
class MyApp(App):
def compose(self):
yield MyWidget()
app = MyApp()
async with app.run_test() as pilot:
app.query(MyWidget).refresh(repaint=args[0], layout=args[1])
assert refreshes[-1] == args
async def test_query_focus_blur():
class FocusApp(App):
AUTO_FOCUS = None
def compose(self) -> ComposeResult:
yield Input(id="foo")
yield Input(id="bar")
yield Input(id="baz")
app = FocusApp()
async with app.run_test() as pilot:
# Nothing focused
assert app.focused is None
# Focus first input
app.query(Input).focus()
await pilot.pause()
assert app.focused.id == "foo"
# Blur inputs
app.query(Input).blur()
await pilot.pause()
assert app.focused is None
# Focus another
app.query("#bar").focus()
await pilot.pause()
assert app.focused.id == "bar"
# Focus non existing
app.query("#egg").focus()
assert app.focused.id == "bar"
|
