From 4797e813c1c9f3ff602840e1c26334e013785fa0 Mon Sep 17 00:00:00 2001
From: Thijs Schreijer <thijs@mashape.com>
Date: Mon, 30 May 2016 11:42:34 +0200
Subject: [PATCH] added testcase for issue #1207

---
 .../response-transformer/skip_body_spec.lua   | 85 +++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 spec/plugins/response-transformer/skip_body_spec.lua

diff --git a/spec/plugins/response-transformer/skip_body_spec.lua b/spec/plugins/response-transformer/skip_body_spec.lua
new file mode 100644
index 000000000000..522703b03a9c
--- /dev/null
+++ b/spec/plugins/response-transformer/skip_body_spec.lua
@@ -0,0 +1,85 @@
+-- Related to issue https://github.com/Mashape/kong/issues/1207 
+-- unit test to check body remains unaltered
+describe("response-transformer body-check", function()
+  
+  local old_ngx, handler
+  
+  setup(function()
+    old_ngx = ngx
+    _G.ngx = {       -- busted requires explicit _G to access the global environment
+      log = function() end,
+      header = {
+          ["content-type"] = "application/json",
+        },
+      arg = {},
+      ctx = {
+          buffer = "",
+        },
+    }
+    handler = require("kong.plugins.response-transformer.handler")
+    handler:new()
+  end)
+  
+  teardown(function()
+    ngx = old_ngx
+  end)
+
+  it("check the body to remain unaltered if no transforms have been set", function()
+    -- only a header transform, no body changes
+    local conf = {
+      remove = {
+        headers = {"h1", "h2", "h3"},
+        json = {}
+      },
+      add = {
+        headers = {},
+        json = {},
+      },
+      append = {
+        headers = {},
+        json = {},
+      },
+      replace = {
+        headers = {},
+        json = {},
+      },
+    }
+    local body = [[
+
+  {
+    "id": 1,
+    "name": "Some One",
+    "username": "Bretchen",
+    "email": "Not@here.com",
+    "address": {
+      "street": "Down Town street",
+      "suite": "Apt. 23",
+      "city": "Gwendoline"
+    },
+    "phone": "1-783-729-8531 x56442",
+    "website": "hardwork.org",
+    "company": {
+      "name": "BestBuy",
+      "catchPhrase": "just a bunch of words",
+      "bs": "bullshit words"
+    }
+  }
+
+]]
+    
+    ngx.arg[1] = body
+    handler:body_filter(conf)
+    local result = ngx.arg[1]
+    ngx.arg[1] = ""
+    ngx.arg[2] = true -- end of body marker
+    handler:body_filter(conf)
+    result = result .. ngx.arg[1]
+    
+    -- body filter should not execute, it would parse and reencode the json, removing
+    -- the whitespace. So check equality to make sure whitespace is still there, and hence
+    -- body was not touched.
+    assert.are.same(body, result)
+
+  end)
+
+end)