Move socket test server file into spec dir

spec/routes_spec.moon

@@ -104,14 +104,20 @@ describe "http://miti.sh/posts", ->
     assert.same request\body!\match("<title>(.*)</title>"), "miti.sh · Posts"
 
 describe "http://git.miti.sh", ->
-  it "reverse proxies request to unix socket", ->
-    os.execute "mkdir /run/gitea"
-    p = io.popen "luajit unixstreamsrvr.lua"
-    os.execute("sleep 1")
-    os.execute("chown -R nobody /run/gitea")
+  it "reverse proxies request to gitea through a unix socket", ->
+    Path = require "sitegen.path"
+    filename = "unixstreamsrvr.lua"
+    socket_dir = "/run/gitea"
+    info = debug.getinfo 1
+    basepath = Path.basepath info.short_src
+
+    os.execute "mkdir " .. socket_dir
+    p = io.popen "luajit %s"\format Path.join basepath, filename
+    os.execute "sleep 0"
+    os.execute "chown -R nobody " .. socket_dir
 
     request = req "http://git.miti.sh"
-    assert.is_not_nil p\read"*a"\match "Host: git.miti.sh"
+    assert.truthy p\read"*a"\match "Host: git.miti.sh"
 
 describe "http://apps.miti.sh", ->
   it "doesn't find it", ->