Add send_file to helpers

This commit is contained in:
Sdogruyol 2016-07-19 20:58:04 +03:00
parent b00bc7a202
commit 5e297d86f8
2 changed files with 43 additions and 0 deletions

View file

@ -84,4 +84,30 @@ describe "Macros" do
response.headers["Content-Type"].should eq("text/plain")
end
end
describe "#send_file" do
it "sends file with given path and default mime-type" do
get "/" do |env|
send_file env, "./spec/asset/hello.ecr"
end
request = HTTP::Request.new("GET", "/")
response = call_request_on_app(request)
response.status_code.should eq(200)
response.headers["Content-Type"].should eq("application/octet-stream")
response.headers["Content-Length"].should eq("20")
end
it "sends file with given path and given mime-type" do
get "/" do |env|
send_file env, "./spec/asset/hello.ecr", "image/jpeg"
end
request = HTTP::Request.new("GET", "/")
response = call_request_on_app(request)
response.status_code.should eq(200)
response.headers["Content-Type"].should eq("image/jpeg")
response.headers["Content-Length"].should eq("20")
end
end
end

View file

@ -40,3 +40,20 @@ end
def headers(env, additional_headers)
env.response.headers.merge!(additional_headers)
end
# Send a file with given path and default `application/octet-stream` mime_type.
#
# send_file env, "./path/to/file"
#
# Optionally you can override the mime_type
#
# send_file env, "./path/to/file", "image/jpeg"
def send_file(env, path : String, mime_type : String? = nil)
file_path = File.expand_path(path, Dir.current)
mime_type = "application/octet-stream" unless mime_type
env.response.headers.add "Content-Type", mime_type
env.response.content_length = File.size(file_path)
File.open(file_path) do |file|
IO.copy(file, env.response)
end
end