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Improve common_exception_handler to handler custom 500 errors. Fixes #175.

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Sdogruyol 2016-07-03 11:13:11 +02:00
parent c718b02dbc
commit 19581d6e3e
2 changed files with 37 additions and 21 deletions
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39
spec/common_exception_handler_spec.cr
View file

@ -1,16 +1,22 @@
require "./spec_helper"
describe "Kemal::CommonExceptionHandler" do
# it "renders 404 on route not found" do
# get "/" do |env|
# "Hello"
# end
#
# request = HTTP::Request.new("GET", "/asd")
# client_response = call_request_on_app(request)
# client_response.status_code.should eq 404
# end
#
it "renders 404 on route not found" do
get "/" do |env|
"Hello"
end
request = HTTP::Request.new("GET", "/asd")
io = MemoryIO.new
response = HTTP::Server::Response.new(io)
context = HTTP::Server::Context.new(request, response)
Kemal::CommonExceptionHandler::INSTANCE.call(context)
response.close
io.rewind
response = HTTP::Client::Response.from_io(io, decompress: false)
response.status_code.should eq 404
end
# it "renders custom error" do
# error 403 do
# "403 error"
@ -21,8 +27,15 @@ describe "Kemal::CommonExceptionHandler" do
# end
#
# request = HTTP::Request.new("GET", "/")
# client_response = call_request_on_app(request)
# client_response.status_code.should eq 403
# client_response.body.should eq "403 error"
# io = MemoryIO.new
# response = HTTP::Server::Response.new(io)
# context = HTTP::Server::Context.new(request, response)
# Kemal::RouteHandler::INSTANCE.call(context)
# Kemal::CommonExceptionHandler::INSTANCE.call(context)
# response.close
# io.rewind
# response = HTTP::Client::Response.from_io(io, decompress: false)
# response.status_code.should eq 403
# response.body.should eq "403 error"
# end
end

19
src/kemal/common_exception_handler.cr
View file

@ -7,21 +7,24 @@ module Kemal
call_next(context)
rescue Kemal::Exceptions::RouteNotFound
context.response.content_type = "text/html"
context.response.status_code = 404
context.response.print Kemal.config.error_handlers[404].call(context)
return context
call_exception_with_status_code(context, 404)
rescue Kemal::Exceptions::CustomException
status_code = context.response.status_code
if Kemal.config.error_handlers.has_key?(status_code)
context.response.print Kemal.config.error_handlers[status_code].call(context)
return context
end
call_exception_with_status_code(context, context.response.status_code)
rescue ex : Exception
context.response.content_type = "text/html"
Kemal.config.logger.write("Exception: #{ex.inspect_with_backtrace}\n")
return call_exception_with_status_code(context, 500) if Kemal.config.error_handlers.has_key?(500)
verbosity = Kemal.config.env == "production" ? false : true
return render_500(context, ex.inspect_with_backtrace, verbosity)
end
end
def call_exception_with_status_code(context, status_code)
if Kemal.config.error_handlers.has_key?(status_code)
context.response.status_code = status_code
context.response.print Kemal.config.error_handlers[status_code].call(context)
return context
end
end
end
end