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require "abstract_unit"
class HeaderTest < ActiveSupport::TestCase
setup do
@headers = ActionDispatch::Http::Headers.new(
"CONTENT_TYPE" => "text/plain",
"HTTP_REFERER" => "/some/page"
)
end
test "#new does not normalize the data" do
headers = ActionDispatch::Http::Headers.new(
"Content-Type" => "application/json",
"HTTP_REFERER" => "/some/page",
"Host" => "http://test.com")
assert_equal({"Content-Type" => "application/json",
"HTTP_REFERER" => "/some/page",
"Host" => "http://test.com"}, headers.env)
end
test "#env returns the headers as env variables" do
assert_equal({"CONTENT_TYPE" => "text/plain",
"HTTP_REFERER" => "/some/page"}, @headers.env)
end
test "#each iterates through the env variables" do
headers = []
@headers.each { |pair| headers << pair }
assert_equal [["CONTENT_TYPE", "text/plain"],
["HTTP_REFERER", "/some/page"]], headers
end
test "set new headers" do
@headers["Host"] = "127.0.0.1"
assert_equal "127.0.0.1", @headers["Host"]
assert_equal "127.0.0.1", @headers["HTTP_HOST"]
end
test "headers can contain numbers" do
@headers["Content-MD5"] = "Q2hlY2sgSW50ZWdyaXR5IQ=="
assert_equal "Q2hlY2sgSW50ZWdyaXR5IQ==", @headers["Content-MD5"]
assert_equal "Q2hlY2sgSW50ZWdyaXR5IQ==", @headers["HTTP_CONTENT_MD5"]
end
test "set new env variables" do
@headers["HTTP_HOST"] = "127.0.0.1"
assert_equal "127.0.0.1", @headers["Host"]
assert_equal "127.0.0.1", @headers["HTTP_HOST"]
end
test "key?" do
assert @headers.key?("CONTENT_TYPE")
assert @headers.include?("CONTENT_TYPE")
end
test "fetch with block" do
assert_equal "omg", @headers.fetch("notthere") { "omg" }
end
test "accessing http header" do
assert_equal "/some/page", @headers["Referer"]
assert_equal "/some/page", @headers["referer"]
assert_equal "/some/page", @headers["HTTP_REFERER"]
end
test "accessing special header" do
assert_equal "text/plain", @headers["Content-Type"]
assert_equal "text/plain", @headers["content-type"]
assert_equal "text/plain", @headers["CONTENT_TYPE"]
end
test "fetch" do
assert_equal "text/plain", @headers.fetch("content-type", nil)
assert_equal "not found", @headers.fetch("not-found", "not found")
end
test "#merge! headers with mutation" do
@headers.merge!("Host" => "http://example.test",
"Content-Type" => "text/html")
assert_equal({"HTTP_HOST" => "http://example.test",
"CONTENT_TYPE" => "text/html",
"HTTP_REFERER" => "/some/page"}, @headers.env)
end
test "#merge! env with mutation" do
@headers.merge!("HTTP_HOST" => "http://first.com",
"CONTENT_TYPE" => "text/html")
assert_equal({"HTTP_HOST" => "http://first.com",
"CONTENT_TYPE" => "text/html",
"HTTP_REFERER" => "/some/page"}, @headers.env)
end
test "merge without mutation" do
combined = @headers.merge("HTTP_HOST" => "http://example.com",
"CONTENT_TYPE" => "text/html")
assert_equal({"HTTP_HOST" => "http://example.com",
"CONTENT_TYPE" => "text/html",
"HTTP_REFERER" => "/some/page"}, combined.env)
assert_equal({"CONTENT_TYPE" => "text/plain",
"HTTP_REFERER" => "/some/page"}, @headers.env)
end
test "env variables with . are not modified" do
headers = ActionDispatch::Http::Headers.new
headers.merge! "rack.input" => "",
"rack.request.cookie_hash" => "",
"action_dispatch.logger" => ""
assert_equal(["action_dispatch.logger",
"rack.input",
"rack.request.cookie_hash"], headers.env.keys.sort)
end
test "symbols are treated as strings" do
headers = ActionDispatch::Http::Headers.new
headers.merge!(:SERVER_NAME => "example.com",
"HTTP_REFERER" => "/",
:Host => "test.com")
assert_equal "example.com", headers["SERVER_NAME"]
assert_equal "/", headers[:HTTP_REFERER]
assert_equal "test.com", headers["HTTP_HOST"]
end
test "headers directly modifies the passed environment" do
env = {"HTTP_REFERER" => "/"}
headers = ActionDispatch::Http::Headers.new(env)
headers['Referer'] = "http://example.com/"
headers.merge! "CONTENT_TYPE" => "text/plain"
assert_equal({"HTTP_REFERER"=>"http://example.com/",
"CONTENT_TYPE"=>"text/plain"}, env)
end
end
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