require "./spec_helper" private def handle(request, fallthrough = true) io = IO::Memory.new response = HTTP::Server::Response.new(io) context = HTTP::Server::Context.new(request, response) handler = Kemal::StaticFileHandler.new "#{__DIR__}/static", fallthrough handler.call context response.close io.rewind HTTP::Client::Response.from_io(io) end describe Kemal::StaticFileHandler do file = File.open "#{__DIR__}/static/dir/test.txt" file_size = file.size file_text = file.to_s it "should serve a file with content type and etag" do response = handle HTTP::Request.new("GET", "/dir/test.txt") response.status_code.should eq(200) response.headers["Content-Type"].should eq "text/plain" response.headers["Etag"].should contain "W/\"" response.body.should eq(File.read("#{__DIR__}/static/dir/test.txt")) end it "should respond with 304 if file has not changed" do response = handle HTTP::Request.new("GET", "/dir/test.txt") response.status_code.should eq(200) etag = response.headers["Etag"] headers = HTTP::Headers{"If-None-Match" => etag} response = handle HTTP::Request.new("GET", "/dir/test.txt", headers) response.status_code.should eq(304) response.body.should eq "" end it "should not list directory's entries" do serve_static({"gzip" => true, "dir_listing" => false}) response = handle HTTP::Request.new("GET", "/dir/") response.status_code.should eq(404) end it "should list directory's entries when config is set" do serve_static({"gzip" => true, "dir_listing" => true}) response = handle HTTP::Request.new("GET", "/dir/") response.status_code.should eq(200) response.body.should match(/test.txt/) end it "should gzip a file if config is true, headers accept gzip and file is > 880 bytes" do serve_static({"gzip" => true, "dir_listing" => true}) headers = HTTP::Headers{"Accept-Encoding" => "gzip, deflate, sdch, br"} response = handle HTTP::Request.new("GET", "/dir/bigger.txt", headers) response.status_code.should eq(200) response.headers["Content-Encoding"].should eq "gzip" end it "should not gzip a file if config is true, headers accept gzip and file is < 880 bytes" do serve_static({"gzip" => true, "dir_listing" => true}) headers = HTTP::Headers{"Accept-Encoding" => "gzip, deflate, sdch, br"} response = handle HTTP::Request.new("GET", "/dir/test.txt", headers) response.status_code.should eq(200) response.headers["Content-Encoding"]?.should eq nil end it "should not gzip a file if config is false, headers accept gzip and file is > 880 bytes" do serve_static({"gzip" => false, "dir_listing" => true}) headers = HTTP::Headers{"Accept-Encoding" => "gzip, deflate, sdch, br"} response = handle HTTP::Request.new("GET", "/dir/bigger.txt", headers) response.status_code.should eq(200) response.headers["Content-Encoding"]?.should eq nil end it "should not serve a not found file" do response = handle HTTP::Request.new("GET", "/not_found_file.txt") response.status_code.should eq(404) end it "should not serve a not found directory" do response = handle HTTP::Request.new("GET", "/not_found_dir/") response.status_code.should eq(404) end it "should not serve a file as directory" do response = handle HTTP::Request.new("GET", "/dir/test.txt/") response.status_code.should eq(404) end it "should handle only GET and HEAD method" do %w(GET HEAD).each do |method| response = handle HTTP::Request.new(method, "/dir/test.txt") response.status_code.should eq(200) end %w(POST PUT DELETE).each do |method| response = handle HTTP::Request.new(method, "/dir/test.txt") response.status_code.should eq(404) response = handle HTTP::Request.new(method, "/dir/test.txt"), false response.status_code.should eq(405) response.headers["Allow"].should eq("GET, HEAD") end end it "should send part of files when requested (RFC7233)" do %w(POST PUT DELETE HEAD).each do |method| headers = HTTP::Headers{"Range" => "0-100"} response = handle HTTP::Request.new(method, "/dir/test.txt", headers) response.status_code.should_not eq(206) response.headers.has_key?("Content-Range").should eq(false) end %w(GET).each do |method| headers = HTTP::Headers{"Range" => "0-100"} response = handle HTTP::Request.new(method, "/dir/test.txt", headers) response.status_code.should eq(206 || 200) if response.status_code == 206 response.headers.has_key?("Content-Range").should eq true match = response.headers["Content-Range"].match(/bytes (\d+)-(\d+)\/(\d+)/) match.should_not eq nil if match start_range = match[1].to_i { 0 } end_range = match[2].to_i { 0 } range_size = match[3].to_i { 0 } range_size.should eq file_size (end_range < file_size).should eq true (start_range < end_range).should eq true end end end end it "should handle setting custom headers" do headers = Proc(HTTP::Server::Response, String, File::Stat, Void).new do |response, path, stat| if path =~ /\.html$/ response.headers.add("Access-Control-Allow-Origin", "*") end response.headers.add("Content-Size", stat.size.to_s) end static_headers(&headers) response = handle HTTP::Request.new("GET", "/dir/test.txt") response.headers.has_key?("Access-Control-Allow-Origin").should be_false response.headers["Content-Size"].should eq( File.stat("#{__DIR__}/static/dir/test.txt").size.to_s ) response = handle HTTP::Request.new("GET", "/dir/index.html") response.headers["Access-Control-Allow-Origin"].should eq("*") end end