Specify custom types description URL

Author: no1seman

graphql/introspection.lua

@@ -346,11 +346,11 @@ __Type = types.object({
         end,
       },
 
-      specifiedByUrl = {
+      specifiedByURL = {
         kind = types.string,
         resolve = function(kind)
           if kind.__type == 'Scalar' then
-              return kind.specifiedByUrl
+              return kind.specifiedByURL
           end
         end,
       },

graphql/types.lua

@@ -96,7 +96,7 @@ function types.scalar(config)
     parseValue = config.parseValue,
     parseLiteral = config.parseLiteral,
     isValueOfTheType = config.isValueOfTheType,
-    specifiedByUrl = config.specifiedByUrl,
+    specifiedByURL = config.specifiedByURL,
   }
 
   instance.nonNull = types.nonNull(instance)
@@ -309,6 +309,7 @@ types.long = types.scalar({
   name = 'Long',
   description = "The `Long` scalar type represents non-fractional signed whole numeric values. " ..
           "Long can represent values from -(2^52) to 2^52 - 1, inclusive.",
+  specifiedByURL = 'https://github.com/tarantool/graphql/wiki/Long',
   serialize = coerceLong,
   parseLiteral = function(node)
     return coerceLong(node.value)
@@ -331,6 +332,8 @@ end
 
 types.float = types.scalar({
   name = 'Float',
+  description = "The `Float` scalar type represents signed double-"..
+          "precision fractional values as specified by IEEE 754.",
   serialize = coerceFloat,
   parseLiteral = function(node)
     return coerceFloat(node.value)

test/integration/graphql_test.lua

@@ -1427,7 +1427,7 @@ function g.test_custom_directives()
     t.assert_equals(errors, nil)
 end
 
-function g.test_specifiedByUrl_scalar_field()
+function g.test_specifiedByURL_scalar_field()
     local function callback(_, _)
         return nil
     end
@@ -1445,7 +1445,7 @@ function g.test_specifiedByUrl_scalar_field()
         isValueOfTheType = function(_)
             return true
         end,
-        specifiedByUrl = 'http://localhost',
+        specifiedByURL = 'http://localhost',
     })
 
     local query_schema = {
@@ -1461,7 +1461,7 @@ function g.test_specifiedByUrl_scalar_field()
     local data, errors = check_request(introspection.query, query_schema)
     local CustomInt_schema = util.find_by_name(data.__schema.types, 'CustomInt')
     t.assert_type(CustomInt_schema, 'table', 'CustomInt schema found on introspection')
-    t.assert_equals(CustomInt_schema.specifiedByUrl, 'http://localhost')
+    t.assert_equals(CustomInt_schema.specifiedByURL, 'http://localhost')
     t.assert_equals(errors, nil)
 end
 
@@ -1697,3 +1697,21 @@ function g.test_arguments_default_values()
     local nested_enum_arg_defaults = util.find_by_name(test_input_object.inputFields, 'nested_enum_arg_defaults')
     t.assert_equals(nested_enum_arg_defaults.defaultValue, 'write')
 end
+
+function g.test_specifiedByURL_long_scalar()
+    local query_schema = {
+        ['test'] = {
+            kind = types.string.nonNull,
+            arguments = {
+                arg = types.long,
+            },
+            resolve = '',
+        }
+    }
+
+    local data, errors = check_request(introspection.query, query_schema)
+    local long_type_schema = util.find_by_name(data.__schema.types, 'Long')
+    t.assert_type(long_type_schema, 'table', 'Long scalar type found on introspection')
+    t.assert_equals(long_type_schema.specifiedByURL, 'https://github.com/tarantool/graphql/wiki/Long')
+    t.assert_equals(errors, nil)
+end

test/integration/introspection.lua

@@ -24,7 +24,7 @@ return {
             kind
             name
             description
-            specifiedByUrl
+            specifiedByURL
             fields(includeDeprecated: true) {
                 name
                 description