[PATCH] test_rack_env: additional test for Rack environment

[Eric Wong <yahns-public@yhbt.net>]

Since there'll be some changes to accomodate the new parser,
ensure we prepare the Rack environment correctly.
---
 test/test_rack_env.rb | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 test/test_rack_env.rb

diff --git a/test/test_rack_env.rb b/test/test_rack_env.rb
new file mode 100644
index 0000000..d337511
--- /dev/null
+++ b/test/test_rack_env.rb
@@ -0,0 +1,58 @@
+# Copyright (C) 2017 all contributors <yahns-public@yhbt.net>
+# License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
+# frozen_string_literal: true
+require_relative 'server_helper'
+require 'rack'
+
+class TestRackEnv < Testcase
+  ENV["N"].to_i > 1 and parallelize_me!
+  include ServerHelper
+  alias setup server_helper_setup
+  alias teardown server_helper_teardown
+
+  def test_rack_env_logger
+    err, cfg, host, port = @err, Yahns::Config.new, @srv.addr[3], @srv.addr[1]
+    cfg.instance_eval do
+      stderr_path err.path
+      GTL.synchronize do
+        app = Rack::Builder.new do
+          use Rack::Lint # ensure Lint passes
+          run(lambda do |env|
+            logger = env['rack.logger']
+            %w(SERVER_NAME SERVER_PORT rack.url_scheme).each do |k|
+              logger.info("#{k}=#{env[k].inspect}")
+            end
+            [ 200, [ %w(Content-Length 3), %w(Content Type text/plain)],
+             [ "OK\n" ] ]
+          end)
+        end
+        app(:rack, app.to_app) { listen "#{host}:#{port}" }
+      end
+    end
+    pid = mkserver(cfg)
+    Net::HTTP.start(host, port) do |http|
+      res = http.request(Net::HTTP::Get.new("/"))
+      assert_equal 200, res.code.to_i
+      assert_equal "OK\n", res.body
+      txt = File.read(err.path)
+      assert_match %r{\srack\.url_scheme=#{Regexp.escape('http'.inspect)}\s}s,
+                   txt
+      assert_match %r{\sSERVER_NAME=#{Regexp.escape(host.inspect)}\s}s, txt
+      assert_match %r{\sSERVER_PORT=#{Regexp.escape(port.to_s.inspect)}\s}s, txt
+    end
+    err.truncate 0
+    err.rewind
+    c = TCPSocket.new(host, port)
+    c.write("GET / HTTP/1.0\r\nHost: example.com\r\n\r\n")
+    assert_match %r{\r\nOK\n\z}s, c.read
+    txt = File.read(err.path)
+    assert_match %r{\srack\.url_scheme=#{Regexp.escape('http'.inspect)}\s}s,
+                 txt
+    assert_match %r{\sSERVER_NAME=#{Regexp.escape('example.com'.inspect)}\s}s,
+                txt
+    assert_match %r{\sSERVER_PORT=#{Regexp.escape('80'.inspect)}\s}s, txt
+  ensure
+    c.close if c
+    quit_wait(pid)
+  end
+end
-- 
EW