class w1(widgets.FormField):
javascript = [
widgets.JSLink(__module__, "foo.js"),
widgets.JSSource("alert('foo');"),
widgets.JSSource("alert('foo again');", widgets.js_location.bodybottom)
]
css = [widgets.CSSLink(__module__, "foo.css")]
register = False
def test_rendering_without_engine():
"""Helpful error when rendering widgets with no templating engine loaded"""
from turbogears import view
engines = view.engines
view.engines = {}
try:
widgets.CSSLink("foo")()
except Exception, msg:
msg = str(msg)
def test_widget_js():
"""Widgets can require JavaScript resources"""
js = widgets.JSLink(mod=widgets.static, name="foo.js")
js2 = widgets.JSLink(mod=widgets.static, name="foo.js")
assert js2 == js2
js2 = widgets.JSLink(mod=widgets.static, name="bar.js")
assert js2 != js
js2 = widgets.CSSLink(mod=widgets.static, name="foo.js")
assert js2 != js
js2 = widgets.JSSource(src="foo.js")
assert js2 != js
rendered = js.render(format='xhtml')
expected = '<script src="/tg_widgets/turbogears.widgets/foo.js"' \
' type="text/javascript"></script>'
assert rendered == expected
js3 = widgets.JSLink(mod=widgets.static,
name="foo.js",
defer=False,
charset=None)
assert js3 == js
rendered = js3.render(format='xhtml')
assert rendered == expected
js3 = widgets.JSLink(mod=widgets.static, name="foo.js", defer=True)
assert js3 != js
rendered = js3.render(format='html').lower()
assert ' defer' in rendered \
and expected == rendered.replace(' defer', '', 1)
rendered = js3.render(format='xhtml')
assert ' defer="defer"' in rendered \
and expected == rendered.replace(' defer="defer"', '', 1)
js3 = widgets.JSLink(mod=widgets.static, name="foo.js", charset='Latin-1')
assert js3 != js
rendered = js3.render(format='xhtml')
assert ' charset="Latin-1"' in rendered \
and expected == rendered.replace(' charset="Latin-1"', '', 1)
js3 = widgets.JSSource("alert('hello');")
assert js3 != js and js3 != js2
rendered = js3.render(format='xhtml')
expected = '<script type="text/javascript">alert(\'hello\');</script>'
assert rendered == expected
js4 = widgets.JSSource("alert('hello');", defer=False)
assert js4 == js3
rendered = js4.render(format='xhtml')
assert rendered == expected
js4 = widgets.JSSource("alert('hello');", defer=True)
assert js4 != js3
rendered = js4.render(format='html').lower()
assert ' defer' in rendered \
and expected == rendered.replace(' defer', '', 1)
rendered = js4.render(format='xhtml')
assert ' defer="defer"' in rendered \
and expected == rendered.replace(' defer="defer"', '', 1)
def test_widget_css():
"""Widgets can require CSS resources"""
css = widgets.CSSLink(mod=widgets.static, name="foo.css")
css2 = widgets.CSSLink(mod=widgets.static, name="foo.css")
assert css == css2
cssset = set()
cssset.add(css)
cssset.add(css2)
assert len(cssset) == 1
css3 = widgets.CSSLink(mod=widgets.static, name="bar.css")
assert css3 != css2
css4 = widgets.CSSSource(src="foo.css")
assert css != css4
rendered = css.render(format='xhtml')
assert 'link' in rendered
assert 'href="/tg_widgets/turbogears.widgets/foo.css"' in rendered
assert 'type="text/css"' in rendered
assert 'rel="stylesheet"' in rendered
assert 'media="all"' in rendered
rendered = css.render(media="printer", format='xhtml')
assert 'media="printer"' in rendered
css = widgets.CSSSource("h1 { color: black }")
rendered = css.render(format='xhtml')
assert 'h1 { color: black }' in rendered
class MyTableWithJS(widgets.TableForm):
javascript = [
widgets.JSLink(mod=widgets.static, name="foo.js"),
widgets.JSSource("alert('hello');")
]
css = [widgets.CSSLink(mod=widgets.static, name="foo.css")]
class w2(widgets.FormField):
javascript = [widgets.JSLink(__module__, "foo.js")]
css = [widgets.CSSLink(__module__, "foo.css")]
register = False