instiki/vendor/plugins/rack/test/spec_rack_response.rb

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require 'test/spec'
require 'set'
require 'rack/response'
context "Rack::Response" do
specify "has sensible default values" do
response = Rack::Response.new
status, header, body = response.finish
status.should.equal 200
header.should.equal "Content-Type" => "text/html"
body.each { |part|
part.should.equal ""
}
response = Rack::Response.new
status, header, body = *response
status.should.equal 200
header.should.equal "Content-Type" => "text/html"
body.each { |part|
part.should.equal ""
}
end
specify "can be written to" do
response = Rack::Response.new
status, header, body = response.finish do
response.write "foo"
response.write "bar"
response.write "baz"
end
parts = []
body.each { |part| parts << part }
parts.should.equal ["foo", "bar", "baz"]
end
specify "can set and read headers" do
response = Rack::Response.new
response["Content-Type"].should.equal "text/html"
response["Content-Type"] = "text/plain"
response["Content-Type"].should.equal "text/plain"
end
specify "can set cookies" do
response = Rack::Response.new
response.set_cookie "foo", "bar"
response["Set-Cookie"].should.equal "foo=bar"
response.set_cookie "foo2", "bar2"
response["Set-Cookie"].should.equal ["foo=bar", "foo2=bar2"]
response.set_cookie "foo3", "bar3"
response["Set-Cookie"].should.equal ["foo=bar", "foo2=bar2", "foo3=bar3"]
end
specify "formats the Cookie expiration date accordingly to RFC 2109" do
response = Rack::Response.new
response.set_cookie "foo", {:value => "bar", :expires => Time.now+10}
response["Set-Cookie"].should.match(
/expires=..., \d\d-...-\d\d\d\d \d\d:\d\d:\d\d .../)
end
specify "can set secure cookies" do
response = Rack::Response.new
response.set_cookie "foo", {:value => "bar", :secure => true}
response["Set-Cookie"].should.equal "foo=bar; secure"
end
specify "can set http only cookies" do
response = Rack::Response.new
response.set_cookie "foo", {:value => "bar", :httponly => true}
response["Set-Cookie"].should.equal "foo=bar; HttpOnly"
end
specify "can delete cookies" do
response = Rack::Response.new
response.set_cookie "foo", "bar"
response.set_cookie "foo2", "bar2"
response.delete_cookie "foo"
response["Set-Cookie"].should.equal ["foo2=bar2",
"foo=; expires=Thu, 01-Jan-1970 00:00:00 GMT"]
end
specify "can do redirects" do
response = Rack::Response.new
response.redirect "/foo"
status, header, body = response.finish
status.should.equal 302
header["Location"].should.equal "/foo"
response = Rack::Response.new
response.redirect "/foo", 307
status, header, body = response.finish
status.should.equal 307
end
specify "has a useful constructor" do
r = Rack::Response.new("foo")
status, header, body = r.finish
str = ""; body.each { |part| str << part }
str.should.equal "foo"
r = Rack::Response.new(["foo", "bar"])
status, header, body = r.finish
str = ""; body.each { |part| str << part }
str.should.equal "foobar"
r = Rack::Response.new(["foo", "bar"].to_set)
r.write "foo"
status, header, body = r.finish
str = ""; body.each { |part| str << part }
str.should.equal "foobarfoo"
r = Rack::Response.new([], 500)
r.status.should.equal 500
r = Rack::Response.new([], "200 OK")
r.status.should.equal 200
end
specify "has a constructor that can take a block" do
r = Rack::Response.new { |res|
res.status = 404
res.write "foo"
}
status, header, body = r.finish
str = ""; body.each { |part| str << part }
str.should.equal "foo"
status.should.equal 404
end
specify "doesn't return invalid responses" do
r = Rack::Response.new(["foo", "bar"], 204)
status, header, body = r.finish
str = ""; body.each { |part| str << part }
str.should.be.empty
header["Content-Type"].should.equal nil
lambda {
Rack::Response.new(Object.new)
}.should.raise(TypeError).
message.should =~ /stringable or iterable required/
end
specify "knows if it's empty" do
r = Rack::Response.new
r.should.be.empty
r.write "foo"
r.should.not.be.empty
r = Rack::Response.new
r.should.be.empty
r.finish
r.should.be.empty
r = Rack::Response.new
r.should.be.empty
r.finish { }
r.should.not.be.empty
end
specify "should provide access to the HTTP status" do
res = Rack::Response.new
res.status = 200
res.should.be.successful
res.should.be.ok
res.status = 404
res.should.not.be.successful
res.should.be.client_error
res.should.be.not_found
res.status = 501
res.should.not.be.successful
res.should.be.server_error
res.status = 307
res.should.be.redirect
end
specify "should provide access to the HTTP headers" do
res = Rack::Response.new
res["Content-Type"] = "text/yaml"
res.should.include "Content-Type"
res.headers["Content-Type"].should.equal "text/yaml"
res["Content-Type"].should.equal "text/yaml"
res.content_type.should.equal "text/yaml"
res.content_length.should.be.nil
res.location.should.be.nil
end
specify "does not add or change Content-Length when #finish()ing" do
res = Rack::Response.new
res.status = 200
res.finish
res.headers["Content-Length"].should.be.nil
res = Rack::Response.new
res.status = 200
res.headers["Content-Length"] = "10"
res.finish
res.headers["Content-Length"].should.equal "10"
end
specify "updates Content-Length when body appended to using #write" do
res = Rack::Response.new
res.status = 200
res.headers["Content-Length"].should.be.nil
res.write "Hi"
res.headers["Content-Length"].should.equal "2"
res.write " there"
res.headers["Content-Length"].should.equal "8"
end
end