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# -*- encoding: utf-8 -*-
require 'rack/utils'
require 'rack/mock'
describe Rack::Utils do
should "escape correctly" do
Rack::Utils.escape("fo<o>bar").should.equal "fo%3Co%3Ebar"
Rack::Utils.escape("a space").should.equal "a+space"
Rack::Utils.escape("q1!2\"'w$5&7/z8)?\\").
should.equal "q1%212%22%27w%245%267%2Fz8%29%3F%5C"
end
should "escape correctly for multibyte characters" do
matz_name = "\xE3\x81\xBE\xE3\x81\xA4\xE3\x82\x82\xE3\x81\xA8".unpack("a*")[0] # Matsumoto
matz_name.force_encoding("UTF-8") if matz_name.respond_to? :force_encoding
Rack::Utils.escape(matz_name).should.equal '%E3%81%BE%E3%81%A4%E3%82%82%E3%81%A8'
matz_name_sep = "\xE3\x81\xBE\xE3\x81\xA4 \xE3\x82\x82\xE3\x81\xA8".unpack("a*")[0] # Matsu moto
matz_name_sep.force_encoding("UTF-8") if matz_name_sep.respond_to? :force_encoding
Rack::Utils.escape(matz_name_sep).should.equal '%E3%81%BE%E3%81%A4+%E3%82%82%E3%81%A8'
end
if "".respond_to?(:encode)
should "escape non-UTF8 strings" do
Rack::Utils.escape("ø".encode("ISO-8859-1")).should.equal "%F8"
end
end
should "escape path spaces with %20" do
Rack::Utils.escape_path("foo bar").should.equal "foo%20bar"
end
should "unescape correctly" do
Rack::Utils.unescape("fo%3Co%3Ebar").should.equal "fo<o>bar"
Rack::Utils.unescape("a+space").should.equal "a space"
Rack::Utils.unescape("a%20space").should.equal "a space"
Rack::Utils.unescape("q1%212%22%27w%245%267%2Fz8%29%3F%5C").
should.equal "q1!2\"'w$5&7/z8)?\\"
end
should "parse query strings correctly" do
Rack::Utils.parse_query("foo=bar").
should.equal "foo" => "bar"
Rack::Utils.parse_query("foo=\"bar\"").
should.equal "foo" => "\"bar\""
Rack::Utils.parse_query("foo=bar&foo=quux").
should.equal "foo" => ["bar", "quux"]
Rack::Utils.parse_query("foo=1&bar=2").
should.equal "foo" => "1", "bar" => "2"
Rack::Utils.parse_query("my+weird+field=q1%212%22%27w%245%267%2Fz8%29%3F").
should.equal "my weird field" => "q1!2\"'w$5&7/z8)?"
Rack::Utils.parse_query("foo%3Dbaz=bar").should.equal "foo=baz" => "bar"
end
should "parse nested query strings correctly" do
Rack::Utils.parse_nested_query("foo").
should.equal "foo" => nil
Rack::Utils.parse_nested_query("foo=").
should.equal "foo" => ""
Rack::Utils.parse_nested_query("foo=bar").
should.equal "foo" => "bar"
Rack::Utils.parse_nested_query("foo=\"bar\"").
should.equal "foo" => "\"bar\""
Rack::Utils.parse_nested_query("foo=bar&foo=quux").
should.equal "foo" => "quux"
Rack::Utils.parse_nested_query("foo&foo=").
should.equal "foo" => ""
Rack::Utils.parse_nested_query("foo=1&bar=2").
should.equal "foo" => "1", "bar" => "2"
Rack::Utils.parse_nested_query("&foo=1&&bar=2").
should.equal "foo" => "1", "bar" => "2"
Rack::Utils.parse_nested_query("foo&bar=").
should.equal "foo" => nil, "bar" => ""
Rack::Utils.parse_nested_query("foo=bar&baz=").
should.equal "foo" => "bar", "baz" => ""
Rack::Utils.parse_nested_query("my+weird+field=q1%212%22%27w%245%267%2Fz8%29%3F").
should.equal "my weird field" => "q1!2\"'w$5&7/z8)?"
Rack::Utils.parse_nested_query("a=b&pid%3D1234=1023").
should.equal "pid=1234" => "1023", "a" => "b"
Rack::Utils.parse_nested_query("foo[]").
should.equal "foo" => [nil]
Rack::Utils.parse_nested_query("foo[]=").
should.equal "foo" => [""]
Rack::Utils.parse_nested_query("foo[]=bar").
should.equal "foo" => ["bar"]
Rack::Utils.parse_nested_query("foo[]=1&foo[]=2").
should.equal "foo" => ["1", "2"]
Rack::Utils.parse_nested_query("foo=bar&baz[]=1&baz[]=2&baz[]=3").
should.equal "foo" => "bar", "baz" => ["1", "2", "3"]
Rack::Utils.parse_nested_query("foo[]=bar&baz[]=1&baz[]=2&baz[]=3").
should.equal "foo" => ["bar"], "baz" => ["1", "2", "3"]
Rack::Utils.parse_nested_query("x[y][z]=1").
should.equal "x" => {"y" => {"z" => "1"}}
Rack::Utils.parse_nested_query("x[y][z][]=1").
should.equal "x" => {"y" => {"z" => ["1"]}}
Rack::Utils.parse_nested_query("x[y][z]=1&x[y][z]=2").
should.equal "x" => {"y" => {"z" => "2"}}
Rack::Utils.parse_nested_query("x[y][z][]=1&x[y][z][]=2").
should.equal "x" => {"y" => {"z" => ["1", "2"]}}
Rack::Utils.parse_nested_query("x[y][][z]=1").
should.equal "x" => {"y" => [{"z" => "1"}]}
Rack::Utils.parse_nested_query("x[y][][z][]=1").
should.equal "x" => {"y" => [{"z" => ["1"]}]}
Rack::Utils.parse_nested_query("x[y][][z]=1&x[y][][w]=2").
should.equal "x" => {"y" => [{"z" => "1", "w" => "2"}]}
Rack::Utils.parse_nested_query("x[y][][v][w]=1").
should.equal "x" => {"y" => [{"v" => {"w" => "1"}}]}
Rack::Utils.parse_nested_query("x[y][][z]=1&x[y][][v][w]=2").
should.equal "x" => {"y" => [{"z" => "1", "v" => {"w" => "2"}}]}
Rack::Utils.parse_nested_query("x[y][][z]=1&x[y][][z]=2").
should.equal "x" => {"y" => [{"z" => "1"}, {"z" => "2"}]}
Rack::Utils.parse_nested_query("x[y][][z]=1&x[y][][w]=a&x[y][][z]=2&x[y][][w]=3").
should.equal "x" => {"y" => [{"z" => "1", "w" => "a"}, {"z" => "2", "w" => "3"}]}
lambda { Rack::Utils.parse_nested_query("x[y]=1&x[y]z=2") }.
should.raise(TypeError).
message.should.equal "expected Hash (got String) for param `y'"
lambda { Rack::Utils.parse_nested_query("x[y]=1&x[]=1") }.
should.raise(TypeError).
message.should.equal "expected Array (got Hash) for param `x'"
lambda { Rack::Utils.parse_nested_query("x[y]=1&x[y][][w]=2") }.
should.raise(TypeError).
message.should.equal "expected Array (got String) for param `y'"
end
should "build query strings correctly" do
Rack::Utils.build_query("foo" => "bar").should.equal "foo=bar"
Rack::Utils.build_query("foo" => ["bar", "quux"]).
should.equal "foo=bar&foo=quux"
Rack::Utils.build_query("foo" => "1", "bar" => "2").
should.equal "foo=1&bar=2"
Rack::Utils.build_query("my weird field" => "q1!2\"'w$5&7/z8)?").
should.equal "my+weird+field=q1%212%22%27w%245%267%2Fz8%29%3F"
end
should "build nested query strings correctly" do
Rack::Utils.build_nested_query("foo" => nil).should.equal "foo"
Rack::Utils.build_nested_query("foo" => "").should.equal "foo="
Rack::Utils.build_nested_query("foo" => "bar").should.equal "foo=bar"
Rack::Utils.build_nested_query("foo" => "1", "bar" => "2").
should.equal "foo=1&bar=2"
Rack::Utils.build_nested_query("my weird field" => "q1!2\"'w$5&7/z8)?").
should.equal "my+weird+field=q1%212%22%27w%245%267%2Fz8%29%3F"
Rack::Utils.build_nested_query("foo" => [nil]).
should.equal "foo[]"
Rack::Utils.build_nested_query("foo" => [""]).
should.equal "foo[]="
Rack::Utils.build_nested_query("foo" => ["bar"]).
should.equal "foo[]=bar"
# The ordering of the output query string is unpredictable with 1.8's
# unordered hash. Test that build_nested_query performs the inverse
# function of parse_nested_query.
[{"foo" => nil, "bar" => ""},
{"foo" => "bar", "baz" => ""},
{"foo" => ["1", "2"]},
{"foo" => "bar", "baz" => ["1", "2", "3"]},
{"foo" => ["bar"], "baz" => ["1", "2", "3"]},
{"foo" => ["1", "2"]},
{"foo" => "bar", "baz" => ["1", "2", "3"]},
{"x" => {"y" => {"z" => "1"}}},
{"x" => {"y" => {"z" => ["1"]}}},
{"x" => {"y" => {"z" => ["1", "2"]}}},
{"x" => {"y" => [{"z" => "1"}]}},
{"x" => {"y" => [{"z" => ["1"]}]}},
{"x" => {"y" => [{"z" => "1", "w" => "2"}]}},
{"x" => {"y" => [{"v" => {"w" => "1"}}]}},
{"x" => {"y" => [{"z" => "1", "v" => {"w" => "2"}}]}},
{"x" => {"y" => [{"z" => "1"}, {"z" => "2"}]}},
{"x" => {"y" => [{"z" => "1", "w" => "a"}, {"z" => "2", "w" => "3"}]}}
].each { |params|
qs = Rack::Utils.build_nested_query(params)
Rack::Utils.parse_nested_query(qs).should.equal params
}
lambda { Rack::Utils.build_nested_query("foo=bar") }.
should.raise(ArgumentError).
message.should.equal "value must be a Hash"
end
should "should escape html entities [&><'\"/]" do
Rack::Utils.escape_html("foo").should.equal "foo"
Rack::Utils.escape_html("f&o").should.equal "f&amp;o"
Rack::Utils.escape_html("f<o").should.equal "f&lt;o"
Rack::Utils.escape_html("f>o").should.equal "f&gt;o"
Rack::Utils.escape_html("f'o").should.equal "f&#x27;o"
Rack::Utils.escape_html('f"o').should.equal "f&quot;o"
Rack::Utils.escape_html("f/o").should.equal "f&#x2F;o"
Rack::Utils.escape_html("<foo></foo>").should.equal "&lt;foo&gt;&lt;&#x2F;foo&gt;"
end
should "figure out which encodings are acceptable" do
helper = lambda do |a, b|
Rack::Request.new(Rack::MockRequest.env_for("", "HTTP_ACCEPT_ENCODING" => a))
Rack::Utils.select_best_encoding(a, b)
end
helper.call(%w(), [["x", 1]]).should.equal(nil)
helper.call(%w(identity), [["identity", 0.0]]).should.equal(nil)
helper.call(%w(identity), [["*", 0.0]]).should.equal(nil)
helper.call(%w(identity), [["compress", 1.0], ["gzip", 1.0]]).should.equal("identity")
helper.call(%w(compress gzip identity), [["compress", 1.0], ["gzip", 1.0]]).should.equal("compress")
helper.call(%w(compress gzip identity), [["compress", 0.5], ["gzip", 1.0]]).should.equal("gzip")
helper.call(%w(foo bar identity), []).should.equal("identity")
helper.call(%w(foo bar identity), [["*", 1.0]]).should.equal("foo")
helper.call(%w(foo bar identity), [["*", 1.0], ["foo", 0.9]]).should.equal("bar")
helper.call(%w(foo bar identity), [["foo", 0], ["bar", 0]]).should.equal("identity")
helper.call(%w(foo bar baz identity), [["*", 0], ["identity", 0.1]]).should.equal("identity")
end
should "return the bytesize of String" do
Rack::Utils.bytesize("FOO\xE2\x82\xAC").should.equal 6
end
should "return status code for integer" do
Rack::Utils.status_code(200).should.equal 200
end
should "return status code for string" do
Rack::Utils.status_code("200").should.equal 200
end
should "return status code for symbol" do
Rack::Utils.status_code(:ok).should.equal 200
end
end
describe Rack::Utils, "byte_range" do
should "ignore missing or syntactically invalid byte ranges" do
Rack::Utils.byte_ranges({},500).should.equal nil
Rack::Utils.byte_ranges({"HTTP_RANGE" => "foobar"},500).should.equal nil
Rack::Utils.byte_ranges({"HTTP_RANGE" => "furlongs=123-456"},500).should.equal nil
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes="},500).should.equal nil
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-"},500).should.equal nil
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=123,456"},500).should.equal nil
# A range of non-positive length is syntactically invalid and ignored:
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=456-123"},500).should.equal nil
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=456-455"},500).should.equal nil
end
should "parse simple byte ranges" do
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=123-456"},500).should.equal [(123..456)]
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=123-"},500).should.equal [(123..499)]
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-100"},500).should.equal [(400..499)]
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=0-0"},500).should.equal [(0..0)]
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=499-499"},500).should.equal [(499..499)]
end
should "truncate byte ranges" do
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=123-999"},500).should.equal [(123..499)]
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=600-999"},500).should.equal []
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-999"},500).should.equal [(0..499)]
end
should "ignore unsatisfiable byte ranges" do
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=500-501"},500).should.equal []
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=500-"},500).should.equal []
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=999-"},500).should.equal []
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-0"},500).should.equal []
end
should "handle byte ranges of empty files" do
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=123-456"},0).should.equal []
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=0-"},0).should.equal []
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-100"},0).should.equal []
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=0-0"},0).should.equal []
Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-0"},0).should.equal []
end
end
describe Rack::Utils::HeaderHash do
should "retain header case" do
h = Rack::Utils::HeaderHash.new("Content-MD5" => "d5ff4e2a0 ...")
h['ETag'] = 'Boo!'
h.to_hash.should.equal "Content-MD5" => "d5ff4e2a0 ...", "ETag" => 'Boo!'
end
should "check existence of keys case insensitively" do
h = Rack::Utils::HeaderHash.new("Content-MD5" => "d5ff4e2a0 ...")
h.should.include 'content-md5'
h.should.not.include 'ETag'
end
should "merge case-insensitively" do
h = Rack::Utils::HeaderHash.new("ETag" => 'HELLO', "content-length" => '123')
merged = h.merge("Etag" => 'WORLD', 'Content-Length' => '321', "Foo" => 'BAR')
merged.should.equal "Etag"=>'WORLD', "Content-Length"=>'321', "Foo"=>'BAR'
end
should "overwrite case insensitively and assume the new key's case" do
h = Rack::Utils::HeaderHash.new("Foo-Bar" => "baz")
h["foo-bar"] = "bizzle"
h["FOO-BAR"].should.equal "bizzle"
h.length.should.equal 1
h.to_hash.should.equal "foo-bar" => "bizzle"
end
should "be converted to real Hash" do
h = Rack::Utils::HeaderHash.new("foo" => "bar")
h.to_hash.should.be.instance_of Hash
end
should "convert Array values to Strings when converting to Hash" do
h = Rack::Utils::HeaderHash.new("foo" => ["bar", "baz"])
h.to_hash.should.equal({ "foo" => "bar\nbaz" })
end
should "replace hashes correctly" do
h = Rack::Utils::HeaderHash.new("Foo-Bar" => "baz")
j = {"foo" => "bar"}
h.replace(j)
h["foo"].should.equal "bar"
end
should "be able to delete the given key case-sensitively" do
h = Rack::Utils::HeaderHash.new("foo" => "bar")
h.delete("foo")
h["foo"].should.be.nil
h["FOO"].should.be.nil
end
should "be able to delete the given key case-insensitively" do
h = Rack::Utils::HeaderHash.new("foo" => "bar")
h.delete("FOO")
h["foo"].should.be.nil
h["FOO"].should.be.nil
end
should "return the deleted value when #delete is called on an existing key" do
h = Rack::Utils::HeaderHash.new("foo" => "bar")
h.delete("Foo").should.equal("bar")
end
should "return nil when #delete is called on a non-existant key" do
h = Rack::Utils::HeaderHash.new("foo" => "bar")
h.delete("Hello").should.be.nil
end
should "avoid unnecessary object creation if possible" do
a = Rack::Utils::HeaderHash.new("foo" => "bar")
b = Rack::Utils::HeaderHash.new(a)
b.object_id.should.equal(a.object_id)
b.should.equal(a)
end
should "convert Array values to Strings when responding to #each" do
h = Rack::Utils::HeaderHash.new("foo" => ["bar", "baz"])
h.each do |k,v|
k.should.equal("foo")
v.should.equal("bar\nbaz")
end
end
should "not create headers out of thin air" do
h = Rack::Utils::HeaderHash.new
h['foo']
h['foo'].should.be.nil
h.should.not.include 'foo'
end
end
describe Rack::Utils::Context do
class ContextTest
attr_reader :app
def initialize app; @app=app; end
def call env; context env; end
def context env, app=@app; app.call(env); end
end
test_target1 = proc{|e| e.to_s+' world' }
test_target2 = proc{|e| e.to_i+2 }
test_target3 = proc{|e| nil }
test_target4 = proc{|e| [200,{'Content-Type'=>'text/plain', 'Content-Length'=>'0'},['']] }
test_app = ContextTest.new test_target4
should "set context correctly" do
test_app.app.should.equal test_target4
c1 = Rack::Utils::Context.new(test_app, test_target1)
c1.for.should.equal test_app
c1.app.should.equal test_target1
c2 = Rack::Utils::Context.new(test_app, test_target2)
c2.for.should.equal test_app
c2.app.should.equal test_target2
end
should "alter app on recontexting" do
c1 = Rack::Utils::Context.new(test_app, test_target1)
c2 = c1.recontext(test_target2)
c2.for.should.equal test_app
c2.app.should.equal test_target2
c3 = c2.recontext(test_target3)
c3.for.should.equal test_app
c3.app.should.equal test_target3
end
should "run different apps" do
c1 = Rack::Utils::Context.new test_app, test_target1
c2 = c1.recontext test_target2
c3 = c2.recontext test_target3
c4 = c3.recontext test_target4
a4 = Rack::Lint.new c4
a5 = Rack::Lint.new test_app
r1 = c1.call('hello')
r1.should.equal 'hello world'
r2 = c2.call(2)
r2.should.equal 4
r3 = c3.call(:misc_symbol)
r3.should.be.nil
r4 = Rack::MockRequest.new(a4).get('/')
r4.status.should.equal 200
r5 = Rack::MockRequest.new(a5).get('/')
r5.status.should.equal 200
r4.body.should.equal r5.body
end
end
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