def test_var_operations():
foo = Var("foo")
bar = Var("bar")
assert foo == "foo"
assert -foo == "-foo"
assert --foo == "--foo"
assert ~foo == "not foo"
assert foo - bar == "foo-bar"
assert foo + bar == "foo+bar"
assert foo / bar == "foo/bar"
assert foo & bar == "foo and bar"
assert foo | bar == "foo or bar"
assert bar - "baz" == "bar-baz"
assert bar + "baz" == "bar+baz"
assert bar / "baz" == "bar/baz"
assert bar & "baz" == "bar and baz"
assert bar | "baz" == "bar or baz"
assert "baz" - bar == "baz-bar"
assert "baz" + bar == "baz+bar"
assert "baz" / bar == "baz/bar"
assert "baz" & bar == "baz and bar"
assert "baz" | bar == "baz or bar"
def test_override():
webkit, moz, ms, o, linear, gradient = Var.many(
"webkit moz ms o linear gradient")
css = {
".foo": {
"background":
override(
-webkit - linear - gradient("left", "blue", "red", "blue"),
-moz - linear - gradient("left", "blue", "red", "blue"),
-ms - linear - gradient("left", "blue", "red", "blue"),
-o - linear - gradient("left", "blue", "red", "blue"),
linear - gradient("left", "blue", "red", "blue"),
)
}
}
assert (render_css(css, mode=Modes.NORMAL) == """\
.foo {
background: -webkit-linear-gradient(left, blue, red, blue);
background: -moz-linear-gradient(left, blue, red, blue);
background: -ms-linear-gradient(left, blue, red, blue);
background: -o-linear-gradient(left, blue, red, blue);
background: linear-gradient(left, blue, red, blue);
}
""")
def test_var_many():
aa, bb = Var.many("aa bb")
assert aa == "aa"
assert isinstance(aa, Var)
assert bb == "bb"
assert isinstance(bb, Var)
cc, dd = Var.many("cc", "dd")
assert cc == "cc"
assert isinstance(cc, Var)
assert dd == "dd"
assert isinstance(dd, Var)
ee, ff = Unit.many("ee", "ff")
assert ee == "ee"
assert isinstance(ee, Unit)
assert ff == "ff"
assert isinstance(ff, Unit)
def test12():
# https://css-tricks.com/logic-in-media-queries/#article-header-id-8
expected = ("@media "
"only screen and (min-width: 100px), "
"not all and (min-width: 100px), "
"not print and (min-height: 100px), "
"(color), "
"(min-height: 100px) and (max-height: 1000px), "
"handheld and (orientation: landscape)")
only, screen, min, width, all, print, height, color, max, handheld, orientation, landscape = Var.many(
"only screen min width all print height color max handheld orientation landscape"
)
px = Unit("px")
m = media(
only(screen) & {min - width: 100 * px},
~all & {min - width: 100 * px},
~print & {min - height: 100 * px},
{color},
_ & {min - height: 100 * px} & {max - height: 1000 * px},
handheld & {orientation: landscape},
)
assert m == expected
minw = 100 * px
minh = 100 * px
maxh = 1000 * px
m = media(
only(screen) & {min - width: minw},
~all & {min - width: minw},
~print & {min - height: minh},
{color},
_ & {min - height: minh} & {max - height: maxh},
handheld & {orientation: landscape},
)
assert m == expected
minw = {min - width: 100 * px}
minh = {min - height: 100 * px}
maxh = {max - height: 1000 * px}
m = media(
only(screen) & minw,
~all & minw,
~print & minh,
{color},
_ & minh & maxh,
handheld & {orientation: landscape},
)
assert m == expected
def test11():
screen, print, color = Var.many("screen print color")
assert (media(
~screen & {color},
print & {color}) == "@media not screen and (color), print and (color)")
def test9():
all, max, width = Var.many("all max width")
em = Unit("em")
assert (media(~all & {max - width: 40 *
em}) == "@media not all and (max-width: 40em)")
def test_7():
screen = Var("screen")
assert (media(screen & {"foo": "bar"} & {"baz": "qux"}) ==
"@media screen and (foo: bar) and (baz: qux)")
def test_empty_var():
foo = Var("")
bar = Var("bar")
qux = Var("")
assert foo == ""
assert -foo == ""
assert --foo == ""
assert ~foo == "not "
assert foo - bar == "-bar"
assert foo + bar == "+bar"
assert foo / bar == "/bar"
assert foo & bar == "bar"
assert foo | bar == "bar"
assert bar - foo == "bar"
assert bar + foo == "bar"
assert bar / foo == "bar"
assert bar & foo == "bar"
assert bar | foo == "bar"
assert foo - "baz" == "-baz"
assert foo + "baz" == "+baz"
assert foo / "baz" == "/baz"
assert foo & "baz" == "baz"
assert foo | "baz" == "baz"
assert "baz" - foo == "baz"
assert "baz" + foo == "baz"
assert "baz" / foo == "baz"
assert "baz" & foo == "baz"
assert "baz" | foo == "baz"
assert foo - qux == ""
assert foo + qux == ""
assert foo / qux == ""
assert foo & qux == ""
assert foo | qux == ""
assert qux - foo == ""
assert qux + foo == ""
assert qux / foo == ""
assert qux & foo == ""
assert qux | foo == ""
assert foo - "" == ""
assert foo + "" == ""
assert foo / "" == ""
assert foo & "" == ""
assert foo | "" == ""
assert "" - foo == ""
assert "" + foo == ""
assert "" / foo == ""
assert "" & foo == ""
assert "" | foo == ""
assert bar - "" == "bar"
assert bar + "" == "bar"
assert bar / "" == "bar"
assert bar & "" == "bar"
assert bar | "" == "bar"
assert "" - bar == "-bar"
assert "" + bar == "+bar"
assert "" / bar == "/bar"
assert "" & bar == "bar"
assert "" | bar == "bar"
def test_call_var():
foo = Var("foo")
obj = foo(1, 2, 3)
assert obj == "foo(1, 2, 3)"
assert isinstance(obj, Var)