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715 lines
28 KiB
Python
715 lines
28 KiB
Python
"Testing widget layout templates"
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from unittest import TestCase
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from unittest import mock
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import pytest
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import traitlets
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import ipywidgets as widgets
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from ipywidgets.widgets.widget_templates import LayoutProperties
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class TestTwoByTwoLayout(TestCase):
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"""test layout templates"""
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def test_merge_cells(self): #pylint: disable=no-self-use
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"""test merging cells with missing widgets"""
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button1 = widgets.Button()
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button2 = widgets.Button()
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button3 = widgets.Button()
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button4 = widgets.Button()
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box = widgets.TwoByTwoLayout(top_left=button1,
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top_right=button2,
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bottom_left=button3,
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bottom_right=button4)
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assert box.layout.grid_template_areas == ('"top-left top-right"\n' +
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'"bottom-left bottom-right"')
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assert box.top_left.layout.grid_area == 'top-left'
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assert box.top_right.layout.grid_area == 'top-right'
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assert box.bottom_left.layout.grid_area == 'bottom-left'
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assert box.bottom_right.layout.grid_area == 'bottom-right'
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assert len(box.get_state()['children']) == 4
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box = widgets.TwoByTwoLayout(top_left=button1,
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top_right=button2,
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bottom_left=None,
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bottom_right=button4)
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assert box.layout.grid_template_areas == ('"top-left top-right"\n' +
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'"top-left bottom-right"')
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assert box.top_left.layout.grid_area == 'top-left'
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assert box.top_right.layout.grid_area == 'top-right'
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assert box.bottom_left is None
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assert box.bottom_right.layout.grid_area == 'bottom-right'
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assert len(box.get_state()['children']) == 3
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box = widgets.TwoByTwoLayout(top_left=None,
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top_right=button2,
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bottom_left=button3,
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bottom_right=button4)
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assert box.layout.grid_template_areas == ('"bottom-left top-right"\n' +
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'"bottom-left bottom-right"')
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assert box.top_left is None
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assert box.top_right.layout.grid_area == 'top-right'
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assert box.bottom_left.layout.grid_area == 'bottom-left'
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assert box.bottom_right.layout.grid_area == 'bottom-right'
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assert len(box.get_state()['children']) == 3
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box = widgets.TwoByTwoLayout(top_left=None,
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top_right=button2,
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bottom_left=None,
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bottom_right=button4)
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assert box.layout.grid_template_areas == ('"top-right top-right"\n' +
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'"bottom-right bottom-right"')
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assert box.top_left is None
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assert box.top_right.layout.grid_area == 'top-right'
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assert box.bottom_left is None
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assert box.bottom_right.layout.grid_area == 'bottom-right'
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assert len(box.get_state()['children']) == 2
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box = widgets.TwoByTwoLayout(top_left=button1,
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top_right=None,
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bottom_left=button3,
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bottom_right=button4)
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assert box.layout.grid_template_areas == ('"top-left bottom-right"\n' +
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'"bottom-left bottom-right"')
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assert box.top_left.layout.grid_area == 'top-left'
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assert box.top_right is None
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assert box.bottom_left.layout.grid_area == 'bottom-left'
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assert box.bottom_right.layout.grid_area == 'bottom-right'
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assert len(box.get_state()['children']) == 3
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box = widgets.TwoByTwoLayout(top_left=button1,
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top_right=None,
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bottom_left=None,
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bottom_right=None)
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assert box.layout.grid_template_areas == ('"top-left top-left"\n' +
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'"top-left top-left"')
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assert box.top_left is button1
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assert box.top_left.layout.grid_area == 'top-left'
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assert box.top_right is None
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assert box.bottom_left is None
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assert box.bottom_right is None
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assert len(box.get_state()['children']) == 1
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box = widgets.TwoByTwoLayout(top_left=None,
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top_right=button1,
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bottom_left=None,
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bottom_right=None)
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assert box.layout.grid_template_areas == ('"top-right top-right"\n' +
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'"top-right top-right"')
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assert box.top_right is button1
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assert box.top_right.layout.grid_area == 'top-right'
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assert box.top_left is None
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assert box.bottom_left is None
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assert box.bottom_right is None
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assert len(box.get_state()['children']) == 1
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box = widgets.TwoByTwoLayout(top_left=None,
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top_right=None,
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bottom_left=None,
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bottom_right=None)
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assert box.layout.grid_template_areas is None
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assert box.top_left is None
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assert box.top_right is None
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assert box.bottom_left is None
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assert box.bottom_right is None
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assert not box.get_state()['children']
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box = widgets.TwoByTwoLayout(top_left=None,
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top_right=button1,
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bottom_left=None,
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bottom_right=None,
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merge=False)
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assert box.layout.grid_template_areas == ('"top-left top-right"\n' +
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'"bottom-left bottom-right"')
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assert box.top_right is button1
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assert box.top_right.layout.grid_area == 'top-right'
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assert box.top_left is None
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assert box.bottom_left is None
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assert box.bottom_right is None
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assert len(box.get_state()['children']) == 1
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def test_keep_layout_options(self): #pylint: disable=no-self-use
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"""test whether layout options are passed down to GridBox"""
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layout = widgets.Layout(align_items="center")
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button1 = widgets.Button()
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button2 = widgets.Button()
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button3 = widgets.Button()
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button4 = widgets.Button()
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box = widgets.TwoByTwoLayout(top_left=button1, top_right=button2,
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bottom_left=button3, bottom_right=button4,
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layout=layout)
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assert box.layout.align_items == 'center'
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def test_pass_layout_options(self): #pylint: disable=no-self-use
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"""test whether the extra layout options of the template class are
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passed down to Layout object"""
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button1 = widgets.Button()
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button2 = widgets.Button()
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button3 = widgets.Button()
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button4 = widgets.Button()
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box = widgets.TwoByTwoLayout(top_left=button1, top_right=button2,
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bottom_left=button3, bottom_right=button4,
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grid_gap="10px", justify_content="center",
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align_items="center")
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assert box.layout.grid_gap == "10px"
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assert box.layout.justify_content == "center"
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assert box.layout.align_items == "center"
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# we still should be able to pass them through layout
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layout = widgets.Layout(grid_gap="10px", justify_content="center",
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align_items="center")
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box = widgets.TwoByTwoLayout(top_left=button1, top_right=button2,
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bottom_left=button3, bottom_right=button4,
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layout=layout
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)
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assert box.layout.grid_gap == "10px"
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assert box.layout.justify_content == "center"
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assert box.layout.align_items == "center"
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# values passed directly in the constructor should overwrite layout options
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layout = widgets.Layout(grid_gap="10px", justify_content="center",
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align_items="center")
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box = widgets.TwoByTwoLayout(top_left=button1, top_right=button2,
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bottom_left=button3, bottom_right=button4,
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layout=layout, grid_gap="30px"
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)
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assert box.layout.grid_gap == "30px"
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assert box.layout.justify_content == "center"
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assert box.layout.align_items == "center"
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@mock.patch("ipywidgets.Layout.send_state")
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def test_update_dynamically(self, send_state): #pylint: disable=no-self-use
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"""test whether it's possible to add widget outside __init__"""
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button1 = widgets.Button()
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button2 = widgets.Button()
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button3 = widgets.Button()
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button4 = widgets.Button()
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box = widgets.TwoByTwoLayout(top_left=button1, top_right=button3,
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bottom_left=None, bottom_right=button4)
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from ipykernel.kernelbase import Kernel
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state = box.get_state()
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assert len(state['children']) == 3
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assert box.layout.grid_template_areas == ('"top-left top-right"\n' +
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'"top-left bottom-right"')
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box.layout.comm.kernel = mock.MagicMock(spec=Kernel) #for mocking purposes
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send_state.reset_mock()
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box.bottom_left = button2
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state = box.get_state()
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assert len(state['children']) == 4
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assert box.layout.grid_template_areas == ('"top-left top-right"\n' +
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'"bottom-left bottom-right"')
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# check whether frontend was informed
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send_state.assert_called_with(key="grid_template_areas")
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box = widgets.TwoByTwoLayout(top_left=button1, top_right=button3,
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bottom_left=None, bottom_right=button4)
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assert box.layout.grid_template_areas == ('"top-left top-right"\n' +
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'"top-left bottom-right"')
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box.layout.comm.kernel = mock.MagicMock(spec=Kernel) #for mocking purposes
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send_state.reset_mock()
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box.merge = False
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assert box.layout.grid_template_areas == ('"top-left top-right"\n' +
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'"bottom-left bottom-right"')
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send_state.assert_called_with(key="grid_template_areas")
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class TestAppLayout(TestCase):
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"""test layout templates"""
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def test_create_with_defaults(self):
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"test creating with default values"
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footer = widgets.Button()
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header = widgets.Button()
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center = widgets.Button()
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left_sidebar = widgets.Button()
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right_sidebar = widgets.Button()
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box = widgets.AppLayout(
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footer=footer,
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header=header,
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center=center,
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left_sidebar=left_sidebar,
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right_sidebar=right_sidebar
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)
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assert box.layout.grid_template_areas == ('"header header header"\n' +
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'"left-sidebar center right-sidebar"\n' +
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'"footer footer footer"')
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assert box.footer.layout.grid_area == 'footer'
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assert box.header.layout.grid_area == 'header'
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assert box.center.layout.grid_area == 'center'
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assert box.left_sidebar.layout.grid_area == 'left-sidebar'
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assert box.right_sidebar.layout.grid_area == 'right-sidebar'
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assert len(box.get_state()['children']) == 5
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# empty layout should produce no effects
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box = widgets.AppLayout()
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assert box.layout.grid_template_areas is None
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assert box.layout.grid_template_columns is None
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assert box.layout.grid_template_rows is None
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assert len(box.get_state()['children']) == 0
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def test_merge_empty_cells(self):
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"test if cells are correctly merged"
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footer = widgets.Button()
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header = widgets.Button()
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center = widgets.Button()
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left_sidebar = widgets.Button()
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right_sidebar = widgets.Button()
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# merge all if only one widget
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box = widgets.AppLayout(
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center=center
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)
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assert box.layout.grid_template_areas == ('"center center center"\n' +
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'"center center center"\n' +
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'"center center center"')
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assert box.center.layout.grid_area == 'center'
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assert len(box.get_state()['children']) == 1
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box = widgets.AppLayout(
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left_sidebar=left_sidebar
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)
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assert box.layout.grid_template_areas == ('"left-sidebar left-sidebar left-sidebar"\n' +
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'"left-sidebar left-sidebar left-sidebar"\n' +
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'"left-sidebar left-sidebar left-sidebar"')
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assert box.left_sidebar.layout.grid_area == 'left-sidebar'
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assert len(box.get_state()['children']) == 1
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# merge left and right sidebars with center
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box = widgets.AppLayout(
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header=header,
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footer=footer,
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left_sidebar=left_sidebar,
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center=center
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)
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assert box.layout.grid_template_areas == ('"header header header"\n' +
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'"left-sidebar center center"\n' +
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'"footer footer footer"')
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assert box.footer.layout.grid_area == 'footer'
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assert box.header.layout.grid_area == 'header'
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assert box.center.layout.grid_area == 'center'
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assert box.left_sidebar.layout.grid_area == 'left-sidebar'
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assert len(box.get_state()['children']) == 4
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box = widgets.AppLayout(
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header=header,
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footer=footer,
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right_sidebar=right_sidebar,
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center=center
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)
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assert box.layout.grid_template_areas == ('"header header header"\n' +
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'"center center right-sidebar"\n' +
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'"footer footer footer"')
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assert box.footer.layout.grid_area == 'footer'
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assert box.header.layout.grid_area == 'header'
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assert box.center.layout.grid_area == 'center'
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assert box.right_sidebar.layout.grid_area == 'right-sidebar'
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assert len(box.get_state()['children']) == 4
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box = widgets.AppLayout(
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header=header,
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footer=footer,
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center=center
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)
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assert box.layout.grid_template_areas == ('"header header header"\n' +
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'"center center center"\n' +
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'"footer footer footer"')
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assert box.footer.layout.grid_area == 'footer'
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assert box.header.layout.grid_area == 'header'
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assert box.center.layout.grid_area == 'center'
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assert len(box.get_state()['children']) == 3
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# if only center missing, remove it from view
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box = widgets.AppLayout(
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header=header,
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footer=footer,
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center=None,
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left_sidebar=left_sidebar,
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right_sidebar=right_sidebar
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)
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assert box.layout.grid_template_areas == ('"header header"\n' +
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'"left-sidebar right-sidebar"\n' +
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'"footer footer"')
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assert box.footer.layout.grid_area == 'footer'
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assert box.header.layout.grid_area == 'header'
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assert box.left_sidebar.layout.grid_area == 'left-sidebar'
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assert box.right_sidebar.layout.grid_area == 'right-sidebar'
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assert box.center is None
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assert len(box.get_state()['children']) == 4
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# center and one sidebar missing -> 3 row arrangement
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box = widgets.AppLayout(
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header=header,
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footer=footer,
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center=None,
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left_sidebar=None,
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right_sidebar=right_sidebar
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)
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assert box.layout.grid_template_areas == ('"header header"\n' +
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'"right-sidebar right-sidebar"\n' +
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'"footer footer"')
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assert box.footer.layout.grid_area == 'footer'
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assert box.header.layout.grid_area == 'header'
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assert box.left_sidebar is None
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assert box.right_sidebar.layout.grid_area == 'right-sidebar'
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assert box.center is None
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assert len(box.get_state()['children']) == 3
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# remove middle row is both sidebars and center missing
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box = widgets.AppLayout(
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header=header,
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footer=footer,
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center=None,
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left_sidebar=None,
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right_sidebar=None
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)
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assert box.layout.grid_template_areas == ('"header"\n' +
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'"footer"')
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assert box.footer.layout.grid_area == 'footer'
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assert box.header.layout.grid_area == 'header'
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assert box.center is None
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assert box.left_sidebar is None
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assert box.right_sidebar is None
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assert len(box.get_state()['children']) == 2
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# do not merge if merge=False
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box = widgets.AppLayout(
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header=header,
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footer=footer,
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center=center,
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merge=False
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)
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assert box.layout.grid_template_areas == ('"header header header"\n' +
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'"left-sidebar center right-sidebar"\n' +
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'"footer footer footer"')
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assert box.footer.layout.grid_area == 'footer'
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assert box.header.layout.grid_area == 'header'
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assert box.center.layout.grid_area == 'center'
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assert box.left_sidebar is None
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assert box.right_sidebar is None
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assert len(box.get_state()['children']) == 3
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# merge header and footer simply removes it from view
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box = widgets.AppLayout(
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footer=footer,
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center=center,
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left_sidebar=left_sidebar,
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right_sidebar=right_sidebar
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)
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assert box.layout.grid_template_areas == ('"left-sidebar center right-sidebar"\n' +
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'"footer footer footer"')
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assert box.center.layout.grid_area == 'center'
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assert box.left_sidebar.layout.grid_area == 'left-sidebar'
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assert box.right_sidebar.layout.grid_area == 'right-sidebar'
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assert box.footer.layout.grid_area == 'footer'
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assert box.header is None
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assert len(box.get_state()['children']) == 4
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box = widgets.AppLayout(
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header=header,
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center=center,
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left_sidebar=left_sidebar,
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right_sidebar=right_sidebar
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)
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assert box.layout.grid_template_areas == ('"header header header"\n' +
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'"left-sidebar center right-sidebar"')
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assert box.center.layout.grid_area == 'center'
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assert box.left_sidebar.layout.grid_area == 'left-sidebar'
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assert box.right_sidebar.layout.grid_area == 'right-sidebar'
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assert box.header.layout.grid_area == 'header'
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assert box.footer is None
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assert len(box.get_state()['children']) == 4
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box = widgets.AppLayout(
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center=center,
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left_sidebar=left_sidebar,
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right_sidebar=right_sidebar
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)
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assert box.layout.grid_template_areas == '"left-sidebar center right-sidebar"'
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assert box.center.layout.grid_area == 'center'
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assert box.left_sidebar.layout.grid_area == 'left-sidebar'
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assert box.right_sidebar.layout.grid_area == 'right-sidebar'
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assert box.footer is None
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assert box.header is None
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assert len(box.get_state()['children']) == 3
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# merge all if only one widget
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box = widgets.AppLayout(
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center=center
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)
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assert box.layout.grid_template_areas == ('"center center center"\n' +
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'"center center center"\n' +
|
|
'"center center center"')
|
|
assert box.center.layout.grid_area == 'center'
|
|
|
|
assert len(box.get_state()['children']) == 1
|
|
|
|
def test_size_to_css(self):
|
|
|
|
box = widgets.AppLayout()
|
|
assert box._size_to_css("100px") == '100px'
|
|
assert box._size_to_css("1fr") == '1fr'
|
|
assert box._size_to_css("2.5fr") == '2.5fr'
|
|
assert box._size_to_css('2.5') == '2.5fr'
|
|
assert box._size_to_css('25%') == '25%'
|
|
|
|
with pytest.raises(TypeError):
|
|
box._size_to_css('this is not correct size')
|
|
|
|
|
|
def test_set_pane_widths_heights(self):
|
|
|
|
footer = widgets.Button()
|
|
header = widgets.Button()
|
|
center = widgets.Button()
|
|
left_sidebar = widgets.Button()
|
|
right_sidebar = widgets.Button()
|
|
|
|
box = widgets.AppLayout(
|
|
header=header,
|
|
footer=footer,
|
|
left_sidebar=left_sidebar,
|
|
right_sidebar=left_sidebar,
|
|
center=center
|
|
)
|
|
|
|
with pytest.raises(traitlets.TraitError):
|
|
box.pane_widths = ['1fx', '1fx', '1fx', '1fx']
|
|
with pytest.raises(traitlets.TraitError):
|
|
box.pane_widths = ['1fx', '1fx']
|
|
|
|
with pytest.raises(traitlets.TraitError):
|
|
box.pane_heights = ['1fx', '1fx', '1fx', '1fx']
|
|
with pytest.raises(traitlets.TraitError):
|
|
box.pane_heights = ['1fx', '1fx']
|
|
|
|
assert box.layout.grid_template_rows == "1fr 3fr 1fr"
|
|
assert box.layout.grid_template_columns == "1fr 2fr 1fr"
|
|
|
|
box.pane_heights = ['3fr', '100px', 20]
|
|
assert box.layout.grid_template_rows == "3fr 100px 20fr"
|
|
assert box.layout.grid_template_columns == "1fr 2fr 1fr"
|
|
|
|
box.pane_widths = [3, 3, 1]
|
|
assert box.layout.grid_template_rows == "3fr 100px 20fr"
|
|
assert box.layout.grid_template_columns == "3fr 3fr 1fr"
|
|
|
|
class TestGridspecLayout(TestCase):
|
|
"test GridspecLayout"
|
|
|
|
def test_init(self):
|
|
with pytest.raises(traitlets.TraitError):
|
|
box = widgets.GridspecLayout()
|
|
|
|
with pytest.raises(traitlets.TraitError):
|
|
box = widgets.GridspecLayout(n_rows=-1, n_columns=1)
|
|
|
|
box = widgets.GridspecLayout(n_rows=5, n_columns=3)
|
|
assert box.n_rows == 5
|
|
assert box.n_columns == 3
|
|
assert len(box._grid_template_areas) == 5
|
|
assert len(box._grid_template_areas[0]) == 3
|
|
|
|
box = widgets.GridspecLayout(1, 2)
|
|
assert box.n_rows == 1
|
|
assert box.n_columns == 2
|
|
|
|
with pytest.raises(traitlets.TraitError):
|
|
box = widgets.GridspecLayout(0, 0)
|
|
|
|
def test_setitem_index(self):
|
|
|
|
box = widgets.GridspecLayout(2, 3)
|
|
button1 = widgets.Button()
|
|
button2 = widgets.Button()
|
|
button3 = widgets.Button()
|
|
button4 = widgets.Button()
|
|
|
|
box[0, 0] = button1
|
|
button1_label = button1.layout.grid_area
|
|
assert button1 in box.children
|
|
assert box.layout.grid_template_areas == '''"{} . ."\n". . ."'''.format(button1_label)
|
|
|
|
box[-1, -1] = button2
|
|
button2_label = button2.layout.grid_area
|
|
assert button1_label != button2_label
|
|
assert button2 in box.children
|
|
assert box.layout.grid_template_areas == '''"{} . ."\n". . {}"'''.format(button1_label,
|
|
button2_label)
|
|
|
|
box[1, 0] = button3
|
|
button3_label = button3.layout.grid_area
|
|
assert button1_label != button3_label
|
|
assert button2_label != button3_label
|
|
assert button3 in box.children
|
|
assert box.layout.grid_template_areas == '''"{b1} . ."\n"{b3} . {b2}"'''.format(b1=button1_label,
|
|
b2=button2_label,
|
|
b3=button3_label)
|
|
|
|
#replace widget
|
|
box[1, 0] = button4
|
|
button4_label = button4.layout.grid_area
|
|
assert button1_label != button4_label
|
|
assert button2_label != button4_label
|
|
assert button4 in box.children
|
|
assert button3 not in box.children
|
|
|
|
assert box.layout.grid_template_areas == '''"{b1} . ."\n"{b4} . {b2}"'''.format(b1=button1_label,
|
|
b2=button2_label,
|
|
b4=button4_label)
|
|
|
|
def test_setitem_slices(self):
|
|
|
|
box = widgets.GridspecLayout(2, 3)
|
|
button1 = widgets.Button()
|
|
|
|
box[:2, 0] = button1
|
|
assert len(box.children) == 1
|
|
assert button1 in box.children
|
|
button1_label = button1.layout.grid_area
|
|
|
|
assert box.layout.grid_template_areas == '''"{b1} . ."\n"{b1} . ."'''.format(b1=button1_label)
|
|
|
|
box = widgets.GridspecLayout(2, 3)
|
|
button1 = widgets.Button()
|
|
button2 = widgets.Button()
|
|
|
|
box[:2, 1:] = button1
|
|
assert len(box.children) == 1
|
|
assert button1 in box.children
|
|
button1_label = button1.layout.grid_area
|
|
|
|
assert box.layout.grid_template_areas == '''". {b1} {b1}"\n". {b1} {b1}"'''.format(b1=button1_label)
|
|
|
|
# replace button
|
|
box[:2, 1:] = button2
|
|
assert len(box.children) == 1
|
|
assert button2 in box.children
|
|
button2_label = button2.layout.grid_area
|
|
|
|
assert box.layout.grid_template_areas == '''". {b1} {b1}"\n". {b1} {b1}"'''.format(b1=button2_label)
|
|
|
|
def test_getitem_index(self):
|
|
"test retrieving widget"
|
|
|
|
box = widgets.GridspecLayout(2, 3)
|
|
button1 = widgets.Button()
|
|
|
|
box[0, 0] = button1
|
|
|
|
assert box[0, 0] is button1
|
|
|
|
def test_getitem_slices(self):
|
|
"test retrieving widgets with slices"
|
|
|
|
box = widgets.GridspecLayout(2, 3)
|
|
button1 = widgets.Button()
|
|
|
|
box[:2, 0] = button1
|
|
assert box[:2, 0] is button1
|
|
|
|
box = widgets.GridspecLayout(2, 3)
|
|
button1 = widgets.Button()
|
|
button2 = widgets.Button()
|
|
|
|
box[0, 0] = button1
|
|
box[1, 0] = button2
|
|
assert box[0, 0] is button1
|
|
assert box[1, 0] is button2
|
|
|
|
with pytest.raises(TypeError, match="The slice spans"):
|
|
button = box[:2, 0]
|
|
|
|
|
|
class TestLayoutProperties(TestCase):
|
|
"""test mixin with layout properties"""
|
|
|
|
class DummyTemplate(widgets.GridBox, LayoutProperties):
|
|
location = traitlets.Instance(widgets.Widget, allow_none=True)
|
|
|
|
def test_layout_updated_on_trait_change(self):
|
|
"test whether respective layout traits are updated when traits change"
|
|
|
|
template = self.DummyTemplate(width="100%")
|
|
assert template.width == '100%'
|
|
assert template.layout.width == '100%'
|
|
|
|
template.width = 'auto'
|
|
assert template.width == 'auto'
|
|
assert template.layout.width == 'auto'
|
|
|
|
def test_align_items_extra_options(self):
|
|
|
|
template = self.DummyTemplate(align_items='top')
|
|
assert template.align_items == 'top'
|
|
assert template.layout.align_items == 'flex-start'
|
|
|
|
template.align_items = 'bottom'
|
|
assert template.align_items == 'bottom'
|
|
assert template.layout.align_items == 'flex-end'
|
|
|
|
def test_validate_properties(self):
|
|
|
|
prop_obj = self.DummyTemplate()
|
|
for prop in LayoutProperties.align_items.values:
|
|
prop_obj.align_items = prop
|
|
assert prop_obj.align_items == prop
|
|
|
|
with pytest.raises(traitlets.TraitError):
|
|
prop_obj.align_items = 'any default position'
|