From 4be7ef88930937eadc362c41bd82ebbf564e6a03 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Tue, 7 Apr 2015 22:29:48 +0000
Subject: extras/proxy_pass: reinstate synchronous version

Since yahns/proxy_pass is not a drop-in replacement, reinstate
the old, synchronous version to avoid breaking existing setups
which require Rack middleware support.
---
 test/test_extras_proxy_pass.rb | 103 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 test/test_extras_proxy_pass.rb

(limited to 'test')

diff --git a/test/test_extras_proxy_pass.rb b/test/test_extras_proxy_pass.rb
new file mode 100644
index 0000000..495a920
--- /dev/null
+++ b/test/test_extras_proxy_pass.rb
@@ -0,0 +1,103 @@
+# Copyright (C) 2015 all contributors <yahns-public@yhbt.net>
+# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
+require_relative 'server_helper'
+
+class TestExtrasProxyPass < Testcase
+  ENV["N"].to_i > 1 and parallelize_me!
+  include ServerHelper
+
+  class ProxiedApp
+    def call(env)
+      h = [ %w(Content-Length 3), %w(Content-Type text/plain) ]
+      case env['REQUEST_METHOD']
+      when 'GET'
+        [ 200, h, [ "hi\n"] ]
+      when 'HEAD'
+        [ 200, h, [] ]
+      when 'PUT'
+        buf = env['rack.input'].read
+        [ 201, {
+          'Content-Length' => buf.bytesize.to_s,
+          'Content-Type' => 'text/plain',
+          }, [ buf ] ]
+      end
+    end
+  end
+
+  def setup
+    @srv2 = TCPServer.new(ENV["TEST_HOST"] || "127.0.0.1", 0)
+    server_helper_setup
+  end
+
+  def teardown
+    @srv2.close if defined?(@srv2) && !@srv2.closed?
+    server_helper_teardown
+  end
+
+  def test_proxy_pass
+    err, cfg, host, port = @err, Yahns::Config.new, @srv.addr[3], @srv.addr[1]
+    host2, port2 = @srv2.addr[3], @srv2.addr[1]
+    pid = mkserver(cfg) do
+      $LOAD_PATH.unshift "#{Dir.pwd}/extras"
+      olderr = $stderr
+      $stderr = StringIO.new
+      require 'proxy_pass'
+      $stderr = olderr
+      @srv2.close
+      cfg.instance_eval do
+        app(:rack, ProxyPass.new("http://#{host2}:#{port2}/")) do
+          listen "#{host}:#{port}"
+        end
+        stderr_path err.path
+      end
+    end
+
+    pid2 = mkserver(cfg, @srv2) do
+      @srv.close
+      cfg.instance_eval do
+        app(:rack, ProxiedApp.new) do
+          listen "#{host2}:#{port2}"
+        end
+        stderr_path err.path
+      end
+    end
+
+    gplv3 = File.open('COPYING')
+
+    Net::HTTP.start(host, port) do |http|
+      res = http.request(Net::HTTP::Get.new('/'))
+      assert_equal 200, res.code.to_i
+      n = res.body.bytesize
+      assert_operator n, :>, 1
+      res = http.request(Net::HTTP::Head.new('/'))
+      assert_equal 200, res.code.to_i
+      assert_equal n, res['Content-Length'].to_i
+      assert_nil res.body
+
+      # chunked encoding
+      req = Net::HTTP::Put.new('/')
+      req.body_stream = gplv3
+      req.content_type = 'application/octet-stream'
+      req['Transfer-Encoding'] = 'chunked'
+      res = http.request(req)
+      gplv3.rewind
+      assert_equal gplv3.read, res.body
+      assert_equal 201, res.code.to_i
+
+      # normal content-length
+      gplv3.rewind
+      req = Net::HTTP::Put.new('/')
+      req.body_stream = gplv3
+      req.content_type = 'application/octet-stream'
+      req.content_length = gplv3.size
+      res = http.request(req)
+      gplv3.rewind
+      assert_equal gplv3.read, res.body
+      assert_equal 201, res.code.to_i
+    end
+  ensure
+    gplv3.close if gplv3
+    quit_wait pid
+    quit_wait pid2
+  end
+end
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