[hotfix/analytics] alf serializer stringifies records

kong/plugins/log_serializers/alf.lua

@@ -36,6 +36,8 @@ local function dic_to_array(hash, fn)
       v = {v}
     end
     for _, val in ipairs(v) do
+      k = tostring(k)
+      val = tostring(val)
       table.insert(arr, {name = k, value = val})
       fn(k, val)
     end

spec/plugins/mashape-analytics/alf_serializer_spec.lua

@@ -28,9 +28,9 @@ local function sameEntry(state, arguments)
   assert.True(math.abs(entry.time - fixture_entry.time) < delta)
 
   -- Compare things that are not computed in the same order depending on the platform
-  assert.are.equal(#(fixture_entry.request.headers), #(entry.request.headers))
-  assert.are.equal(#(fixture_entry.request.queryString), #(entry.request.queryString))
-  assert.are.equal(#(fixture_entry.response.headers), #(entry.response.headers))
+  assert.equal(#(fixture_entry.request.headers), #(entry.request.headers))
+  assert.equal(#(fixture_entry.request.queryString), #(entry.request.queryString))
+  assert.equal(#(fixture_entry.response.headers), #(entry.response.headers))
 
   entry.time = nil
   entry.timings = nil
@@ -98,5 +98,12 @@ describe("ALF serializer", function()
       local alf = ALFSerializer.new_alf(fixtures.GET.NGX_STUB, "123456", "test")
       assert.equal("test", alf.environment)
     end)
+    -- https://github.com/ahmadnassri/har-validator/blob/8fd21c30edb23a1fed2d50b934d055d1be3dd7c9/lib/schemas/record.json#L12
+    it("should convert all records to strings", function()
+      local alf = ALFSerializer.new_alf(fixtures.GET.NGX_STUB, "123456", "test")
+      for _, record in ipairs(alf.har.log.entries[1].request.queryString) do
+        assert.equal("string", type(record.value))
+      end
+    end)
   end)
 end)

spec/plugins/mashape-analytics/fixtures/requests.lua

@@ -8,7 +8,7 @@ return {
         get_method = function() return "GET" end,
         http_version = function() return 1.1 end,
         get_headers = function() return {["Accept"] = "/*/", ["Host"] = "mockbin.com"} end,
-        get_uri_args = function() return {["hello"] = "world", ["foo"] = "bar"} end,
+        get_uri_args = function() return {["hello"] = "world", ["foo"] = "bar", ["number"] = 2} end,
         get_post_args = function() return {["hello"] = {"world", "earth"}} end
       },
       resp = {
@@ -56,7 +56,8 @@ return {
         },
         queryString = {
           {name = "foo", value = "bar"},
-          {name = "hello", value = "world"}
+          {name = "hello", value = "world"},
+          {name = "hello", value = "2"}
         },
         url = "http://mockbin.com/request"
       },