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103 lines
3.1 KiB
Python
103 lines
3.1 KiB
Python
import pytest
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from textual._arrange import TOP_Z, arrange
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from textual._layout import WidgetPlacement
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from textual.geometry import Region, Size, Spacing
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from textual.widget import Widget
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def test_arrange_empty():
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container = Widget(id="container")
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placements, widgets, spacing = arrange(container, [], Size(80, 24), Size(80, 24))
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assert placements == []
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assert widgets == set()
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assert spacing == Spacing(0, 0, 0, 0)
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def test_arrange_dock_top():
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container = Widget(id="container")
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child = Widget(id="child")
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header = Widget(id="header")
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header.styles.dock = "top"
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header.styles.height = "1"
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placements, widgets, spacing = arrange(
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container, [child, header], Size(80, 24), Size(80, 24)
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)
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assert placements == [
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WidgetPlacement(
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Region(0, 0, 80, 1), Spacing(), header, order=TOP_Z, fixed=True
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),
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WidgetPlacement(Region(0, 1, 80, 23), Spacing(), child, order=0, fixed=False),
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]
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assert widgets == {child, header}
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assert spacing == Spacing(1, 0, 0, 0)
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def test_arrange_dock_left():
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container = Widget(id="container")
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child = Widget(id="child")
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header = Widget(id="header")
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header.styles.dock = "left"
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header.styles.width = "10"
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placements, widgets, spacing = arrange(
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container, [child, header], Size(80, 24), Size(80, 24)
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)
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assert placements == [
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WidgetPlacement(
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Region(0, 0, 10, 24), Spacing(), header, order=TOP_Z, fixed=True
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),
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WidgetPlacement(Region(10, 0, 70, 24), Spacing(), child, order=0, fixed=False),
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]
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assert widgets == {child, header}
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assert spacing == Spacing(0, 0, 0, 10)
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def test_arrange_dock_right():
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container = Widget(id="container")
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child = Widget(id="child")
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header = Widget(id="header")
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header.styles.dock = "right"
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header.styles.width = "10"
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placements, widgets, spacing = arrange(
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container, [child, header], Size(80, 24), Size(80, 24)
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)
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assert placements == [
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WidgetPlacement(
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Region(70, 0, 10, 24), Spacing(), header, order=TOP_Z, fixed=True
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),
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WidgetPlacement(Region(0, 0, 70, 24), Spacing(), child, order=0, fixed=False),
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]
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assert widgets == {child, header}
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assert spacing == Spacing(0, 10, 0, 0)
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def test_arrange_dock_bottom():
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container = Widget(id="container")
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child = Widget(id="child")
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header = Widget(id="header")
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header.styles.dock = "bottom"
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header.styles.height = "1"
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placements, widgets, spacing = arrange(
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container, [child, header], Size(80, 24), Size(80, 24)
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)
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assert placements == [
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WidgetPlacement(
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Region(0, 23, 80, 1), Spacing(), header, order=TOP_Z, fixed=True
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),
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WidgetPlacement(Region(0, 0, 80, 23), Spacing(), child, order=0, fixed=False),
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]
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assert widgets == {child, header}
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assert spacing == Spacing(0, 0, 1, 0)
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def test_arrange_dock_badly():
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child = Widget(id="child")
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child.styles.dock = "nowhere"
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with pytest.raises(AssertionError):
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_ = arrange(Widget(), [child], Size(80, 24), Size(80, 24))
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