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Code fixes reported by static code analysis (#450)

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This commit is contained in:
V. Elenhaupt 2018-05-17 11:07:40 +03:00 committed by Serdar Dogruyol
parent f3f7e319ae
commit c2236acf3a
14 changed files with 60 additions and 65 deletions
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8
spec/exception_handler_spec.cr
View file

@ -2,7 +2,7 @@ require "./spec_helper"
describe "Kemal::ExceptionHandler" do
it "renders 404 on route not found" do
get "/" do |env|
get "/" do
"Hello"
end
@ -39,7 +39,7 @@ describe "Kemal::ExceptionHandler" do
end
it "renders custom 500 error" do
error 500 do |env|
error 500 do
"Something happened"
end
get "/" do |env|
@ -60,7 +60,7 @@ describe "Kemal::ExceptionHandler" do
end
it "keeps the specified error Content-Type" do
error 500 do |env|
error 500 do
"Something happened"
end
get "/" do |env|
@ -82,7 +82,7 @@ describe "Kemal::ExceptionHandler" do
end
it "renders custom error with env and error" do
error 500 do |env, err|
error 500 do |_, err|
err.message
end
get "/" do |env|

6
spec/handler_spec.cr
View file

@ -79,7 +79,7 @@ describe "Handler" do
end
add_handler CustomTestHandler.new
get "/" do |env|
get "/" do
" Great"
end
request = HTTP::Request.new("GET", "/")
@ -89,7 +89,7 @@ describe "Handler" do
end
it "runs specified only_routes in middleware" do
get "/only" do |env|
get "/only" do
"Get"
end
add_handler OnlyHandler.new
@ -99,7 +99,7 @@ describe "Handler" do
end
it "doesn't run specified exclude_routes in middleware" do
get "/" do |env|
get "/" do
"Get"
end
get "/exclude" do

2
spec/helpers_spec.cr
View file

@ -31,7 +31,7 @@ describe "Macros" do
describe "#halt" do
it "can break block with halt macro" do
get "/non-breaking" do |env|
get "/non-breaking" do
"hello"
"world"
end

2
spec/init_handler_spec.cr
View file

@ -6,7 +6,7 @@ describe "Kemal::InitHandler" do
io = IO::Memory.new
response = HTTP::Server::Response.new(io)
context = HTTP::Server::Context.new(request, response)
Kemal::InitHandler::INSTANCE.next = ->(context : HTTP::Server::Context) {}
Kemal::InitHandler::INSTANCE.next = ->(_context : HTTP::Server::Context) {}
Kemal::InitHandler::INSTANCE.call(context)
context.response.headers["Content-Type"].should eq "text/html"
end

1
spec/log_handler_spec.cr
View file

@ -2,7 +2,6 @@ require "./spec_helper"
describe "Kemal::LogHandler" do
it "logs to the given IO" do
config = Kemal.config
io = IO::Memory.new
logger = Kemal::LogHandler.new io
logger.write "Something"

24
spec/param_parser_spec.cr
View file

@ -2,7 +2,7 @@ require "./spec_helper"
describe "ParamParser" do
it "parses query params" do
route = Route.new "POST", "/" do |env|
Route.new "POST", "/" do |env|
hasan = env.params.query["hasan"]
"Hello #{hasan}"
end
@ -12,7 +12,7 @@ describe "ParamParser" do
end
it "parses multiple values for query params" do
route = Route.new "POST", "/" do |env|
Route.new "POST", "/" do |env|
hasan = env.params.query["hasan"]
"Hello #{hasan}"
end
@ -28,7 +28,7 @@ describe "ParamParser" do
end
request = HTTP::Request.new("POST", "/hello/cemal")
# Radix tree MUST be run to parse url params.
io_with_context = create_request_and_return_io(kemal, request)
create_request_and_return_io(kemal, request)
url_params = Kemal::ParamParser.new(request).url
url_params["hasan"].should eq "cemal"
end
@ -43,7 +43,7 @@ describe "ParamParser" do
end
request = HTTP::Request.new("POST", "/hello/sam%2Bspec%40gmail.com/%2419.99/a%C3%B1o")
# Radix tree MUST be run to parse url params.
io_with_context = create_request_and_return_io(kemal, request)
create_request_and_return_io(kemal, request)
url_params = Kemal::ParamParser.new(request).url
url_params["email"].should eq "sam+spec@gmail.com"
url_params["money"].should eq "$19.99"
@ -51,7 +51,7 @@ describe "ParamParser" do
end
it "parses request body" do
route = Route.new "POST", "/" do |env|
Route.new "POST", "/" do |env|
name = env.params.query["name"]
age = env.params.query["age"]
hasan = env.params.body["hasan"]
@ -77,7 +77,7 @@ describe "ParamParser" do
end
it "parses multiple values in request body" do
route = Route.new "POST", "/" do |env|
Route.new "POST", "/" do |env|
hasan = env.params.body["hasan"]
"Hello #{hasan}"
end
@ -95,7 +95,7 @@ describe "ParamParser" do
context "when content type is application/json" do
it "parses request body" do
route = Route.new "POST", "/" { }
Route.new "POST", "/" { }
request = HTTP::Request.new(
"POST",
@ -109,7 +109,7 @@ describe "ParamParser" do
end
it "parses request body when passed charset" do
route = Route.new "POST", "/" { }
Route.new "POST", "/" { }
request = HTTP::Request.new(
"POST",
@ -123,7 +123,7 @@ describe "ParamParser" do
end
it "parses request body for array" do
route = Route.new "POST", "/" { }
Route.new "POST", "/" { }
request = HTTP::Request.new(
"POST",
@ -137,7 +137,7 @@ describe "ParamParser" do
end
it "parses request body and query params" do
route = Route.new "POST", "/" { }
Route.new "POST", "/" { }
request = HTTP::Request.new(
"POST",
@ -156,7 +156,7 @@ describe "ParamParser" do
end
it "handles no request body" do
route = Route.new "GET", "/" { }
Route.new "GET", "/" { }
request = HTTP::Request.new(
"GET",
@ -180,7 +180,7 @@ describe "ParamParser" do
context "when content type is incorrect" do
it "does not parse request body" do
route = Route.new "POST", "/" do |env|
Route.new "POST", "/" do |env|
name = env.params.body["name"]
age = env.params.body["age"]
hasan = env.params.query["hasan"]

9
spec/route_handler_spec.cr
View file

@ -104,7 +104,7 @@ describe "Kemal::RouteHandler" do
end
it "checks for _method param in POST request to simulate PUT" do
put "/" do |env|
put "/" do
"Hello World from PUT"
end
request = HTTP::Request.new(
@ -118,7 +118,7 @@ describe "Kemal::RouteHandler" do
end
it "checks for _method param in POST request to simulate PATCH" do
patch "/" do |env|
patch "/" do
"Hello World from PATCH"
end
request = HTTP::Request.new(
@ -132,10 +132,9 @@ describe "Kemal::RouteHandler" do
end
it "checks for _method param in POST request to simulate DELETE" do
delete "/" do |env|
delete "/" do
"Hello World from DELETE"
end
json_payload = {"_method": "DELETE"}
request = HTTP::Request.new(
"POST",
"/",
@ -147,7 +146,7 @@ describe "Kemal::RouteHandler" do
end
it "can process HTTP HEAD requests for defined GET routes" do
get "/" do |env|
get "/" do
"Hello World from GET"
end
request = HTTP::Request.new("HEAD", "/")

6
spec/route_spec.cr
View file

@ -3,10 +3,10 @@ require "./spec_helper"
describe "Route" do
describe "match?" do
it "matches the correct route" do
get "/route1" do |env|
get "/route1" do
"Route 1"
end
get "/route2" do |env|
get "/route2" do
"Route 2"
end
request = HTTP::Request.new("GET", "/route2")
@ -16,7 +16,7 @@ describe "Route" do
it "doesn't allow a route declaration start without /" do
expect_raises Kemal::Exceptions::InvalidPathStartException, "Route declaration get \"route\" needs to start with '/', should be get \"/route\"" do
get "route" do |env|
get "route" do
"Route 1"
end
end

2
spec/spec_helper.cr
View file

@ -66,7 +66,7 @@ def build_main_handler
Kemal.config.setup
main_handler = Kemal.config.handlers.first
current_handler = main_handler
Kemal.config.handlers.each_with_index do |handler, index|
Kemal.config.handlers.each do |handler|
current_handler.next = handler
current_handler = handler
end

1
spec/static_file_handler_spec.cr
View file

@ -14,7 +14,6 @@ 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")

6
spec/websocket_handler_spec.cr
View file

@ -22,8 +22,8 @@ describe "Kemal::WebSocketHandler" do
it "matches on given route" do
handler = Kemal::WebSocketHandler::INSTANCE
ws "/" { |socket, context| socket.send("Match") }
ws "/no_match" { |socket, context| socket.send "No Match" }
ws "/" { |socket| socket.send("Match") }
ws "/no_match" { |socket| socket.send "No Match" }
headers = HTTP::Headers{
"Upgrade" => "websocket",
"Connection" => "Upgrade",
@ -37,7 +37,7 @@ describe "Kemal::WebSocketHandler" do
it "fetches named url parameters" do
handler = Kemal::WebSocketHandler::INSTANCE
ws "/:id" { |s, c| c.params.url["id"] }
ws "/:id" { |_, c| c.params.url["id"] }
headers = HTTP::Headers{
"Upgrade" => "websocket",
"Connection" => "Upgrade",

4
src/kemal.cr
View file

@ -34,7 +34,7 @@ module Kemal
config.port = port if port
unless Kemal.config.error_handlers.has_key?(404)
error 404 do |env|
error 404 do
render_404
end
end
@ -50,7 +50,7 @@ module Kemal
# This route serves the built-in images for not_found and exceptions.
get "/__kemal__/404.png" do |env|
file_path = File.expand_path("lib/kemal/images/404.png", Dir.current)
if File.exists? file_path
send_file env, file_path
else

22
src/kemal/exception_handler.cr
View file

@ -5,18 +5,16 @@ module Kemal
INSTANCE = new
def call(context : HTTP::Server::Context)
begin
call_next(context)
rescue ex : Kemal::Exceptions::RouteNotFound
call_exception_with_status_code(context, ex, 404)
rescue ex : Kemal::Exceptions::CustomException
call_exception_with_status_code(context, ex, context.response.status_code)
rescue ex : Exception
log("Exception: #{ex.inspect_with_backtrace}")
return call_exception_with_status_code(context, ex, 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
call_next(context)
rescue ex : Kemal::Exceptions::RouteNotFound
call_exception_with_status_code(context, ex, 404)
rescue ex : Kemal::Exceptions::CustomException
call_exception_with_status_code(context, ex, context.response.status_code)
rescue ex : Exception
log("Exception: #{ex.inspect_with_backtrace}")
return call_exception_with_status_code(context, ex, 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
private def call_exception_with_status_code(context : HTTP::Server::Context, exception : Exception, status_code : Int32)

32
src/kemal/helpers/templates.cr
View file

@ -2,22 +2,22 @@
# Currently it contains templates for 404 and 500 error codes.
def render_404
template = <<-HTML
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
body { text-align:center;font-family:helvetica,arial;font-size:22px;
color:#888;margin:20px}
img { max-width: 579px; width: 100%; }
#c {margin:0 auto;width:500px;text-align:left}
</style>
</head>
<body>
<h2>Kemal doesn't know this way.</h2>
<img src="/__kemal__/404.png">
</body>
</html>
<<-HTML
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
body { text-align:center;font-family:helvetica,arial;font-size:22px;
color:#888;margin:20px}
img { max-width: 579px; width: 100%; }
#c {margin:0 auto;width:500px;text-align:left}
</style>
</head>
<body>
<h2>Kemal doesn't know this way.</h2>
<img src="/__kemal__/404.png">
</body>
</html>
HTML
end