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require File.expand_path('../helper', __FILE__)
class HeaderTest < Test::Unit::TestCase
H = Rack::Accept::Header
def test_parse_and_join
# Accept
header = 'text/plain; q=0.5, text/html, text/html;level=2, text/html;level=1;q=0.3, text/x-c, image/*; q=0.2'
expect = {
'text/plain' => 0.5,
'text/html' => 1,
'text/html;level=2' => 1,
'text/html;level=1' => 0.3,
'text/x-c' => 1,
'image/*' => 0.2
}
assert_equal(expect, H.parse(header))
assert_equal(expect, H.parse(H.join(expect)))
# Accept-Charset
header = 'iso-8859-5, unicode-1-1;q=0.8'
expect = { 'iso-8859-5' => 1, 'unicode-1-1' => 0.8 }
assert_equal(expect, H.parse(header))
assert_equal(expect, H.parse(H.join(expect)))
# Accept-Encoding
header = 'gzip;q=1.0, identity; q=0.5, *;q=0'
expect = { 'gzip' => 1, 'identity' => 0.5, '*' => 0 }
assert_equal(expect, H.parse(header))
assert_equal(expect, H.parse(H.join(expect)))
# Accept-Language
header = 'da, en-gb;q=0.8, en;q=0.7'
expect = { 'da' => 1, 'en-gb' => 0.8, 'en' => 0.7 }
assert_equal(expect, H.parse(header))
assert_equal(expect, H.parse(H.join(expect)))
end
def test_parse_media_type
assert_equal([], H.parse_media_type(''))
assert_equal(['*', '*', ''], H.parse_media_type('*/*'))
assert_equal(['text', '*', ''], H.parse_media_type('text/*'))
assert_equal(['text', 'html', ''], H.parse_media_type('text/html'))
assert_equal(['text', 'html', 'level=1'], H.parse_media_type('text/html;level=1'))
assert_equal(['text', 'html', 'level=1;answer=42'], H.parse_media_type('text/html;level=1;answer=42'))
assert_equal(['text', 'x-dvi', ''], H.parse_media_type('text/x-dvi'))
end
def test_parse_range_params
assert_equal({}, H.parse_range_params(''))
assert_equal({}, H.parse_range_params('a'))
assert_equal({'a' => 'a'}, H.parse_range_params('a=a'))
assert_equal({'a' => 'a', 'b' => 'b'}, H.parse_range_params('a=a;b=b'))
end
def test_normalize_qvalue
assert_equal(1, H.normalize_qvalue(1.0))
assert_equal(0, H.normalize_qvalue(0.0))
assert_equal(1, H.normalize_qvalue(1))
assert_equal(0, H.normalize_qvalue(0))
assert_equal(0.5, H.normalize_qvalue(0.5))
end
end
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