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require "spec"
require "http/headers"
describe HTTP::Headers do
it "is empty" do
headers = HTTP::Headers.new
headers.empty?.should be_true
end
it "is case insensitive" do
headers = HTTP::Headers{"Foo" => "bar"}
headers["foo"].should eq("bar")
end
it "it allows indifferent access for underscore and dash separated keys" do
headers = HTTP::Headers{"foo_Bar" => "bar", "Foobar-foo" => "baz"}
headers["foo-bar"].should eq("bar")
headers["foobar_foo"].should eq("baz")
end
it "raises an error if header value contains invalid character" do
expect_raises ArgumentError do
HTTP::Headers{"invalid-header" => "\r\nLocation: http://example.com"}
end
end
it "should retain the input casing" do
headers = HTTP::Headers{"FOO_BAR" => "bar", "Foobar-foo" => "baz"}
serialized = String.build do |io|
headers.each do |name, values|
io << name << ": " << values.first << ';'
end
end
serialized.should eq("FOO_BAR: bar;Foobar-foo: baz;")
end
it "is gets with []?" do
headers = HTTP::Headers.new
headers["foo"]?.should be_nil
headers["Foo"] = "bar"
headers["foo"]?.should eq("bar")
end
it "fetches with default value" do
headers = HTTP::Headers.new
headers.fetch("foo", "baz").should eq("baz")
headers["Foo"] = "bar"
headers.fetch("foo", "baz").should eq("bar")
end
it "fetches with block" do
headers = HTTP::Headers.new
headers.fetch("foo") { |k| "#{k}baz" }.should eq("foobaz")
headers["Foo"] = "bar"
headers.fetch("foo") { "baz" }.should eq("bar")
end
it "has key" do
headers = HTTP::Headers{"Foo" => "bar"}
headers.has_key?("foo").should be_true
headers.has_key?("bar").should be_false
end
it "deletes" do
headers = HTTP::Headers{"Foo" => "bar"}
headers.delete("foo").should eq("bar")
headers.should be_empty
end
describe "#==" do
it "equals other instance" do
a = HTTP::Headers{"Foo" => "bar"}
b = HTTP::Headers{"Foo" => "bar"}
c = HTTP::Headers{"Foo" => "baz"}
a.should eq b
a.hash.should eq b.hash
a.should_not eq c
a.hash.should_not eq c.hash
end
it "case-insensitive keys" do
a = HTTP::Headers{"Foo" => "bar"}
b = HTTP::Headers{"foo" => "bar"}
c = HTTP::Headers{"voo" => "bar"}
a.should eq b
a.hash.should eq b.hash
a.should_not eq c
a.hash.should_not eq c.hash
end
it "different internal representation" do
a = HTTP::Headers{"Foo" => "bar"}
b = HTTP::Headers{"Foo" => ["bar"]}
c = HTTP::Headers{"Foo" => ["bar", "baz"]}
a.should eq b
a.hash.should eq b.hash
a.should_not eq c
a.hash.should_not eq c.hash
end
end
it "dups" do
headers = HTTP::Headers{"Foo" => "bar"}
other = headers.dup
other.should be_a(HTTP::Headers)
other["foo"].should eq("bar")
other["Baz"] = "Qux"
headers["baz"]?.should be_nil
end
it "clones" do
headers = HTTP::Headers{"Foo" => "bar"}
other = headers.clone
other.should be_a(HTTP::Headers)
other["foo"].should eq("bar")
other["Baz"] = "Qux"
headers["baz"]?.should be_nil
end
it "adds string" do
headers = HTTP::Headers.new
headers.add("foo", "bar")
headers.add("foo", "baz")
headers["foo"].should eq("bar,baz")
end
it "adds array of string" do
headers = HTTP::Headers.new
headers.add("foo", "bar")
headers.add("foo", ["baz", "qux"])
headers["foo"].should eq("bar,baz,qux")
end
it "gets all values" do
headers = HTTP::Headers{"foo" => "bar"}
headers.get("foo").should eq(["bar"])
headers.get?("foo").should eq(["bar"])
headers.get?("qux").should be_nil
end
it "does to_s" do
headers = HTTP::Headers{"Foo_quux" => "bar", "Baz-Quux" => ["a", "b"]}
headers.to_s.should eq(%(HTTP::Headers{"Foo_quux" => "bar", "Baz-Quux" => ["a", "b"]}))
end
it "#serialize" do
headers = HTTP::Headers{"Foo_quux" => "bar", "Baz-Quux" => ["a", "b"]}
headers.serialize.should eq("Foo_quux: bar\r\nBaz-Quux: a\r\nBaz-Quux: b\r\n")
end
it "merges and return self" do
headers = HTTP::Headers.new
headers.should be headers.merge!({"foo" => "bar"})
end
it "matches word" do
headers = HTTP::Headers{"foo" => "bar"}
headers.includes_word?("foo", "bar").should be_true
headers.includes_word?("foo", "ba").should be_false
headers.includes_word?("foo", "ar").should be_false
end
it "matches word with comma separated value" do
headers = HTTP::Headers{"foo" => "bar, baz"}
headers.includes_word?("foo", "bar").should be_true
headers.includes_word?("foo", "baz").should be_true
headers.includes_word?("foo", "ba").should be_false
end
it "matches word with comma separated value, case insensitive (#3626)" do
headers = HTTP::Headers{"foo" => "BaR, BAZ"}
headers.includes_word?("foo", "bar").should be_true
headers.includes_word?("foo", "baz").should be_true
headers.includes_word?("foo", "BAR").should be_true
headers.includes_word?("foo", "ba").should be_false
end
it "doesn't match empty string" do
headers = HTTP::Headers{"foo" => "bar, baz"}
headers.includes_word?("foo", "").should be_false
end
it "matches word with comma separated value, partial match" do
headers = HTTP::Headers{"foo" => "bar, bazo, baz"}
headers.includes_word?("foo", "baz").should be_true
end
it "doesn't match word with comma separated value, partial match" do
headers = HTTP::Headers{"foo" => "bar, bazo"}
headers.includes_word?("foo", "baz").should be_false
end
it "matches word with comma separated value, partial match (array)" do
headers = HTTP::Headers{"foo" => ["foo", "baz, bazo"]}
headers.includes_word?("foo", "baz").should be_true
end
it "doesn't match word with comma separated value, partial match (array)" do
headers = HTTP::Headers{"foo" => ["foo", "bar, bazo"]}
headers.includes_word?("foo", "baz").should be_false
end
it "matches word among headers" do
headers = HTTP::Headers.new
headers.add("foo", "bar")
headers.add("foo", "baz")
headers.includes_word?("foo", "bar").should be_true
headers.includes_word?("foo", "baz").should be_true
end
it "does not matches word if missing header" do
headers = HTTP::Headers.new
headers.includes_word?("foo", "bar").should be_false
headers.includes_word?("foo", "").should be_false
end
it "can create header value with all US-ASCII visible chars (#2999)" do
headers = HTTP::Headers.new
value = (32..126).map(&.chr).join
headers.add("foo", value)
end
it "validates content" do
headers = HTTP::Headers.new
valid_value = "foo"
invalid_value = "\r\nLocation: http://example.com"
headers.valid_value?(valid_value).should be_true
headers.valid_value?(invalid_value).should be_false
headers.add?("foo", valid_value).should be_true
headers.add?("foo", [valid_value]).should be_true
headers.add?("foobar", invalid_value).should be_false
headers.add?("foobar", [invalid_value]).should be_false
end
end
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