add test for working_directory config parameter

This is often forgotten, and we need to make a tweak to the
coverage generator to dump correctly.

2 files changed, 27 insertions, 2 deletions

diff --git a/test/helper.rb b/test/helper.rb
index 3f141e4..5e417ae 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -17,12 +17,13 @@ GTL = Mutex.new
 if ENV["COVERAGE"]
   require "coverage"
   COVMATCH = %r{/lib/yahns\b.*rb\z}
+  COVDUMPFILE = File.expand_path("coverage.dump")
 
   def __covmerge
     res = Coverage.result
 
-    # do not create the file, Makefile does htis before any tests run
-    File.open("coverage.dump", IO::RDWR) do |covtmp|
+    # do not create the file, Makefile does this before any tests run
+    File.open(COVDUMPFILE, IO::RDWR) do |covtmp|
       covtmp.binmode
       covtmp.sync = true
 
diff --git a/test/test_server.rb b/test/test_server.rb
index 79e498d..934ae3e 100644
--- a/test/test_server.rb
+++ b/test/test_server.rb
@@ -559,4 +559,28 @@ class TestServer < Testcase
   ensure
     quit_wait(pid)
   end
+
+  def test_working_directory
+    err, cfg, host, port = @err, Yahns::Config.new, @srv.addr[3], @srv.addr[1]
+    ru = lambda { |_|
+      [ 200, {'Content-Length'=>Dir.pwd.size.to_s }, [Dir.pwd] ]
+    }
+    Dir.mktmpdir do |tmpdir|
+      begin
+        pid = mkserver(cfg) do
+          cfg.instance_eval do
+            working_directory tmpdir
+            GTL.synchronize { app(:rack, ru) { listen "#{host}:#{port}" } }
+            stderr_path err.path
+          end
+        end
+        refute_equal Dir.pwd, tmpdir
+        Net::HTTP.start(host, port) do |http|
+          assert_equal tmpdir, http.request(Net::HTTP::Get.new("/")).body
+        end
+      ensure
+        quit_wait(pid)
+      end
+    end
+  end
 end