97 lines
3.9 KiB
Python
97 lines
3.9 KiB
Python
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"""Test display isolation.
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An object whose metadata contains an "isolated" tag must be isolated
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from the rest of the document.
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"""
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from .utils import wait_for_tag
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def test_display_isolation(notebook):
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import_ln = "from IPython.core.display import HTML, SVG, display, display_svg"
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notebook.edit_cell(index=0, content=import_ln)
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notebook.execute_cell(notebook.current_cell)
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try:
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isolated_html(notebook)
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isolated_svg(notebook)
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finally:
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# Ensure we switch from iframe back to default content even if test fails
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notebook.browser.switch_to.default_content()
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def isolated_html(notebook):
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"""Test HTML display isolation.
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HTML styling rendered without isolation will affect the whole
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document, whereas styling applied with isolation will affect only
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the local display object.
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"""
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red = 'rgb(255, 0, 0)'
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blue = 'rgb(0, 0, 255)'
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test_str = "<div id='test'>Should turn red from non-isolation</div>"
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notebook.add_and_execute_cell(content="display(HTML(%r))" % test_str)
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non_isolated = (
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"<style>div{color:%s;}</style>" % red +
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"<div id='non-isolated'>Should be red</div>")
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display_ni = "display(HTML(%r), metadata={'isolated':False})" % (
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non_isolated)
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notebook.add_and_execute_cell(content=display_ni)
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isolated = (
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"<style>div{color:%s;}</style>" % blue +
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"<div id='isolated'>Should be blue</div>")
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display_i = "display(HTML(%r), metadata={'isolated':True})" % (
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isolated)
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notebook.add_and_execute_cell(content=display_i)
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iframe = wait_for_tag(notebook.browser, "iframe", single=True)
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# The non-isolated div will be in the body
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non_isolated_div = notebook.body.find_element_by_id("non-isolated")
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assert non_isolated_div.value_of_css_property("color") == red
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# The non-isolated styling will have affected the output of other cells
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test_div = notebook.body.find_element_by_id("test")
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assert test_div.value_of_css_property("color") == red
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# The isolated div will be in an iframe, only that element will be blue
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notebook.browser.switch_to.frame(iframe)
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isolated_div = notebook.browser.find_element_by_id("isolated")
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assert isolated_div.value_of_css_property("color") == blue
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notebook.browser.switch_to.default_content()
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# Clean up the html test cells
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for i in range(1, len(notebook.cells)):
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notebook.delete_cell(1)
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def isolated_svg(notebook):
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"""Test that multiple isolated SVGs have different scopes.
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Asserts that there no CSS leaks between two isolated SVGs.
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"""
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yellow = "rgb(255, 255, 0)"
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black = "rgb(0, 0, 0)"
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svg_1_str = """s1 = '''<svg width="1cm" height="1cm" viewBox="0 0 1000 500"><defs><style>rect {fill:%s;}; </style></defs><rect id="r1" x="200" y="100" width="600" height="300" /></svg>'''""" % yellow
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svg_2_str = """s2 = '''<svg width="1cm" height="1cm" viewBox="0 0 1000 500"><rect id="r2" x="200" y="100" width="600" height="300" /></svg>'''"""
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notebook.add_and_execute_cell(content=svg_1_str)
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notebook.add_and_execute_cell(content=svg_2_str)
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notebook.add_and_execute_cell(
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content="display_svg(SVG(s1), metadata=dict(isolated=True))")
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notebook.add_and_execute_cell(
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content="display_svg(SVG(s2), metadata=dict(isolated=True))")
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iframes = wait_for_tag(notebook.browser, "iframe", wait_for_n=2)
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# The first rectangle will be red
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notebook.browser.switch_to.frame(iframes[0])
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isolated_svg_1 = notebook.browser.find_element_by_id('r1')
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assert isolated_svg_1.value_of_css_property("fill") == yellow
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notebook.browser.switch_to.default_content()
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# The second rectangle will be black
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notebook.browser.switch_to.frame(iframes[1])
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isolated_svg_2 = notebook.browser.find_element_by_id('r2')
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assert isolated_svg_2.value_of_css_property("fill") == black
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# Clean up the svg test cells
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for i in range(1, len(notebook.cells)):
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notebook.delete_cell(1)
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