closes #8

Author: SudoBobo

README.md

@@ -97,7 +97,8 @@ make test
 
 * For use: tarantool, lulpeg, >=tarantool/shard-1.1-91-gfa88bf8 (optional),
   tarantool/avro-schema.
-* For test (additionally to 'for use'): python 2.7, virtualenv, luacheck.
+* For test (additionally to 'for use'): python 2.7, virtualenv, luacheck,
+  >=tarantool/shard-1.1-92-gec1a27e.
 * For building apidoc (additionally to 'for use'): ldoc.
 
 ## License

graphql/accessor_general.lua

@@ -47,9 +47,16 @@ local function shouldIncludeNode(selection, context)
 end
 
 local function doesFragmentApply(fragment, type, context)
+
+  --print('print from doesFragmentApply - 51')
+  --print('fragment')
+  --require('pl.pretty').dump(fragment)
+
   if not fragment.typeCondition then return true end
 
   local innerType = typeFromAST(fragment.typeCondition, context.schema)
+  --print('innerType')
+  --require('pl.pretty').dump(innerType)
 
   if innerType == type then
     return true
@@ -156,6 +163,13 @@ local function completeValue(fieldType, result, subSelections, context)
     local completedResult = completeValue(innerType, result, subSelections, context)
 
     if completedResult == nil then
+        --@todo remove comments
+      --print('print from completeValue')
+      --print('result')
+      --require('pl.pretty').dump(result)
+      --print('fieldType')
+      --require('pl.pretty').dump(fieldType)
+
       error('No value provided for non-null ' .. (innerType.name or innerType.__type))
     end
 
@@ -175,6 +189,15 @@ local function completeValue(fieldType, result, subSelections, context)
 
     local values = {}
     for i, value in ipairs(result) do
+        --@todo remove comments
+      --print('print for ipairs(result) 195')
+      --require('pl.pretty').dump(result)
+      --print('value')
+      --require('pl.pretty').dump(value)
+      --print('subSelections')
+      --require('pl.pretty').dump(subSelections)
+
+
       values[i] = completeValue(innerType, value, subSelections, context)
     end
 
@@ -200,6 +223,11 @@ local function getFieldEntry(objectType, object, fields, context)
   local firstField = fields[1]
   local fieldName = firstField.name.value
   local responseKey = getFieldResponseKey(firstField)
+  --print('print from getFieldEntry')
+  --print('objectType')
+  --require('pl.pretty').dump(objectType)
+  --print('object itself')
+  --require('pl.pretty').dump(object)
   local fieldType = introspection.fieldMap[fieldName] or objectType.fields[fieldName]
 
   if fieldType == nil then
@@ -236,6 +264,16 @@ local function getFieldEntry(objectType, object, fields, context)
 end
 
 evaluateSelections = function(objectType, object, selections, context)
+
+  --@todo remove debug
+  --print('EVALUETE SELECTIONS')
+  ----print('objectType')
+  ----require('pl.pretty').dump(objectType)
+  --print('object')
+  --require('pl.pretty').dump(object)
+  --
+  --print('EVALUETE SELECTIONS CLOSE')
+
   local groupedFieldSet = collectFields(objectType, selections, {}, {}, context)
 
   return util.map(groupedFieldSet, function(fields)

graphql/core/execute.lua

@@ -155,11 +155,14 @@ end
 function types.union(config)
   assert(type(config.name) == 'string', 'type name must be provided as a string')
   assert(type(config.types) == 'table', 'types table must be provided')
+  assert(type(config.resolveType) == 'function', 'resolveType function must ' ..
+    'be provided')
 
   local instance = {
     __type = 'Union',
     name = config.name,
-    types = config.types
+    types = config.types,
+    resolveType = config.resolveType
   }
 
   instance.nonNull = types.nonNull(instance)

graphql/core/types.lua

@@ -15,6 +15,20 @@ local function getParentField(context, name, count)
     parent = parent.ofType
   end
 
+  if parent.fields == nil then
+    print('print from getParentField - 18 - parent')
+    print('trying to get ' .. name)
+    require('pl.pretty').dump(parent)
+
+  --  --@todo find in what ... on where are
+  end
+  --
+
+  --if parent.fields == nil and parent.__type == 'Union' and parent.types  ~= nil
+  --  then
+  --
+  --end
+
   return parent.fields[name]
 end