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require 'test_helper'
require 'compass'
class CanIUseTest < Test::Unit::TestCase
def caniuse
Compass::Core::CanIUse.instance
end
DEFAULT_CAPABILITY_OPTIONS = [{:full_support => true}, {:partial_support => true}]
def test_unknown_browsers
assert_equal "unknown", Compass::Core::CanIUse::PUBLIC_BROWSER_NAMES["unknown"]
assert_equal "unknown", Compass::Core::CanIUse::CAN_I_USE_NAMES["unknown"]
end
def test_browser_names
assert_equal Compass::Core::CanIUse::PUBLIC_BROWSER_NAMES.values.sort, caniuse.browsers
end
def test_prefixes
assert_equal %w(-moz -ms -o -webkit), caniuse.prefixes
assert_equal %w(-moz -webkit), caniuse.prefixes(%w(chrome firefox safari))
end
def test_prefix
assert_equal "-webkit", caniuse.prefix("chrome")
assert_equal "-webkit", caniuse.prefix("safari")
assert_equal "-ms", caniuse.prefix("ie")
assert_equal "-webkit", caniuse.prefix("opera")
assert_equal "-o", caniuse.prefix("opera", "12.1")
end
def test_browsers_with_prefix
assert_equal %w(android android-chrome blackberry chrome ios-safari opera opera-mobile safari),
caniuse.browsers_with_prefix("-webkit").sort
assert_equal %w(android-firefox firefox),
caniuse.browsers_with_prefix("-moz").sort
end
def test_capabilities
# This is meant to break if a capability goes away or arrives
# So that we can think about what that means for compass
assert_equal [
"background-img-opts",
"border-image",
"border-radius",
"calc",
"css-animation",
"css-appearance",
"css-backgroundblendmode",
"css-boxshadow",
"css-canvas",
"css-counters",
"css-featurequeries",
"css-filters",
"css-fixed",
"css-gencontent",
"css-gradients",
"css-grid",
"css-hyphens",
"css-image-orientation",
"css-masks",
"css-mediaqueries",
"css-mixblendmode",
"css-opacity",
"css-placeholder",
"css-reflections",
"css-regions",
"css-repeating-gradients",
"css-resize",
"css-sel2",
"css-sel3",
"css-selection",
"css-shapes",
"css-sticky",
"css-table",
"css-textshadow",
"css-transitions",
"css-variables",
"css3-boxsizing",
"css3-colors",
"css3-cursors",
"css3-tabsize",
"flexbox",
"font-feature",
"fontface",
"getcomputedstyle",
"inline-block",
"intrinsic-width",
"kerning-pairs-ligatures",
"minmaxwh",
"multibackgrounds",
"multicolumn",
"object-fit",
"outline",
"pointer-events",
"rem",
"style-scoped",
"svg-css",
"text-decoration",
"text-overflow",
"text-size-adjust",
"text-stroke",
"transforms2d",
"transforms3d",
"ttf",
"user-select-none",
"viewport-units",
"word-break",
"wordwrap"],
caniuse.capabilities
end
def test_usage
total = 0
caniuse.browsers.each do |browser|
caniuse.versions(browser).each do |version|
usage = caniuse.usage(browser, version)
if usage.nil?
puts "nil usage for #{browser} at version #{version}"
next
end
total += usage
end
end
# all browsers add up to about 94%. that's... unfortunate.
assert total > 90 && total < 100
end
def test_prefixed_usage
assert 0 < caniuse.prefixed_usage("-webkit", "border-radius", DEFAULT_CAPABILITY_OPTIONS)
assert_equal 0, caniuse.prefixed_usage("-webkit", "outline", DEFAULT_CAPABILITY_OPTIONS)
assert_raises ArgumentError do
caniuse.prefixed_usage("-webkit", "unknown", DEFAULT_CAPABILITY_OPTIONS)
end
end
def test_requires_prefix
assert_raises ArgumentError do
caniuse.requires_prefix("chrome", "3", "border-radius", DEFAULT_CAPABILITY_OPTIONS)
end
assert_equal "-webkit", caniuse.requires_prefix("chrome", "4", "border-radius", DEFAULT_CAPABILITY_OPTIONS)
assert_equal nil, caniuse.requires_prefix("chrome", "5", "border-radius", DEFAULT_CAPABILITY_OPTIONS)
assert_equal nil, caniuse.requires_prefix("chrome", "30", "border-radius", DEFAULT_CAPABILITY_OPTIONS)
assert_equal "-webkit", caniuse.requires_prefix("opera", "16", "css-filters", DEFAULT_CAPABILITY_OPTIONS)
end
def test_browser_ranges_only_prefixed
mins = caniuse.browser_ranges("border-radius", "-webkit", false)
expected = {
"android"=>["2.1", "2.1"],
"chrome"=>["4", "4"],
"ios-safari"=>["3.2", "3.2"],
"safari"=>["3.1", "4"]
}
assert_equal(expected, mins)
end
def test_ranges_are_empty_when_prefix_doesnt_exit
mins = caniuse.browser_ranges("css-filters", "-o")
expected = {}
assert_equal(expected, mins)
end
def test_browser_ranges_including_unprefixed
mins = caniuse.browser_ranges("border-radius", "-webkit")
expected = {
"android"=>["2.1", "4.4.3"],
"chrome"=>["4", "39"],
"ios-safari"=>["3.2", "8"],
"safari"=>["3.1", "8"]
}
assert_equal(expected, mins)
end
def test_capability_matches
assert caniuse.capability_matches(
caniuse.browser_support("chrome", "10", "flexbox"),
[{:full_support => true}, {:partial_support => true, :spec_versions => [1]}])
assert !caniuse.capability_matches(
caniuse.browser_support("chrome", "10", "flexbox"),
[{:full_support => true}, {:partial_support => true, :spec_versions => [3]}])
end
def test_omitted_usage
assert_equal 0, caniuse.omitted_usage("chrome", "4")
assert_equal caniuse.usage("chrome", "4"), caniuse.omitted_usage("chrome", "5")
assert_equal caniuse.usage("chrome", "4"), caniuse.omitted_usage("chrome", "4", "4")
assert_equal caniuse.usage("chrome", "4") + caniuse.usage("chrome", "5"),
caniuse.omitted_usage("chrome", "4", "5")
end
end
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