Python assert_png Examples

Example #1

def test_xhtml_document(session):
    session.url = inline('<input type="text" />', doctype="xhtml")

    response = take_full_screenshot(session)
    value = assert_success(response)
    assert_png(value)
    assert png_dimensions(value) == document_dimensions(session)

Example #2

def test_html_document(session):
    session.url = inline("<input>")

    response = take_full_screenshot(session)
    value = assert_success(response)
    assert_png(value)
    assert png_dimensions(value) == document_dimensions(session)

Example #3

File: screenshot.py Project: Coder206/servo

def test_format_and_dimensions(session):
    session.url = inline("<input>")

    response = take_screenshot(session)
    value = assert_success(response)

    assert_png(value)
    assert png_dimensions(value) == document_dimensions(session)

Example #4

def test_format_and_dimensions(session, inline):
    session.url = inline("<input>")

    response = take_screenshot(session)
    value = assert_success(response)

    assert_png(value)
    assert png_dimensions(value) == viewport_dimensions(session)

Example #5

def test_no_browsing_context(session, closed_frame, inline):
    session.url = inline("<input>")

    response = take_screenshot(session)
    value = assert_success(response)

    assert_png(value)
    assert png_dimensions(value) == viewport_dimensions(session)

Example #6

def test_format_and_dimensions(session):
    session.url = inline("<input>")
    element = session.find.css("input", all=False)
    rect = element_rect(session, element)

    response = take_element_screenshot(session, element.id)
    value = assert_success(response)

    assert_png(value)
    assert png_dimensions(value) == (rect["width"], rect["height"])

Example #7

def test_document_extends_beyond_viewport(session):
    session.url = inline("""
        <style>
        body { min-height: 200vh }
        </style>
        """)

    response = take_full_screenshot(session)
    value = assert_success(response)
    assert_png(value)
    assert png_dimensions(value) == document_dimensions(session)

Example #8

    def check_user_prompt_closed_without_exception(dialog_type, retval):
        session.url = inline("<input/>")

        create_dialog(dialog_type, text=dialog_type)

        response = take_screenshot(session)
        value = assert_success(response)

        assert_dialog_handled(session, expected_text=dialog_type, expected_retval=retval)

        assert_png(value)

Example #9

    def check_user_prompt_not_closed_without_exception(dialog_type):
        session.url = inline("<input/>")

        create_dialog(dialog_type, text=dialog_type)

        response = take_screenshot(session)
        value = assert_success(response)

        assert_png(value)

        assert session.alert.text == dialog_type
        session.alert.dismiss()

Example #10

File: user_prompts.py Project: Coder206/servo

    def check_user_prompt_not_closed_without_exception(dialog_type):
        session.url = inline("<input/>")

        create_dialog(dialog_type, text=dialog_type)

        response = take_screenshot(session)
        value = assert_success(response)

        assert_png(value)

        assert session.alert.text == dialog_type
        session.alert.dismiss()

Example #11

File: user_prompts.py Project: bocoup/wpt-docs

    def check_user_prompt_not_closed_without_exception(dialog_type):
        session.url = inline("<input/>")
        element = session.find.css("input", all=False)

        create_dialog(dialog_type, text=dialog_type)

        response = take_element_screenshot(session, element.id)
        value = assert_success(response)

        assert_png(value)

        assert session.alert.text == dialog_type
        session.alert.dismiss()

Example #12

File: user_prompts.py Project: Coder206/servo

    def check_user_prompt_not_closed_without_exception(dialog_type):
        session.url = inline("<input/>")
        element = session.find.css("input", all=False)

        create_dialog(dialog_type, text=dialog_type)

        response = take_element_screenshot(session, element.id)
        value = assert_success(response)

        assert_png(value)

        assert session.alert.text == dialog_type
        session.alert.dismiss()

Example #13

File: image.py Project: bocoup/wpt-docs

def png_dimensions(screenshot):
    assert_png(screenshot)
    image = base64.decodestring(screenshot)
    width, height = struct.unpack(">LL", image[16:24])
    return int(width), int(height)

Example #14

def png_dimensions(screenshot):
    assert_png(screenshot)
    image = decodebytes(screenshot.encode())
    width, height = struct.unpack(">LL", image[16:24])
    return int(width), int(height)