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Manish R Jain
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/*
* Copyright 2015 Manish R Jain <manishrjain@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package gql
import (
"fmt"
"testing"
Manish R Jain
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)
func checkAttr(g *query.SubGraph, attr string) error {
if g.Attr != attr {
return fmt.Errorf("Expected: %v. Got: %v", attr, g.Attr)
}
return nil
}
func TestParse(t *testing.T) {
query := `
query {
me(uid:0x0a) {
friends {
name
}
gender
age
hometown
}
}
`
sg, err := Parse(query)
if err != nil {
t.Error(err)
}
if len(sg.Children) != 4 {
t.Errorf("Expected 4 children. Got: %v", len(sg.Children))
}
if err := checkAttr(sg.Children[0], "friends"); err != nil {
t.Error(err)
}
if err := checkAttr(sg.Children[1], "gender"); err != nil {
t.Error(err)
}
if err := checkAttr(sg.Children[2], "age"); err != nil {
t.Error(err)
}
if err := checkAttr(sg.Children[3], "hometown"); err != nil {
t.Error(err)
}
child := sg.Children[0]
if len(child.Children) != 1 {
t.Errorf("Expected 1 child of friends. Got: %v", len(child.Children))
}
if err := checkAttr(child.Children[0], "name"); err != nil {
t.Error(err)
}
}
func TestParse_error1(t *testing.T) {
query := `
mutation {
me(uid:0x0a) {
name
}
}
`
var err error
_, err = Parse(query)
t.Log(err)
if err == nil {
t.Error("Expected error")
}
}
func TestParse_error2(t *testing.T) {
query := `
query {
me {
name
}
}
`
var err error
_, err = Parse(query)
t.Log(err)
if err == nil {
t.Error("Expected error")
}
}
func TestParse_pass1(t *testing.T) {
query := `
{
me(uid:0x0a) {
name,
friends(xid:what) { # xid would be ignored.
}
}
}
`
sg, err := Parse(query)
if err != nil {
t.Error(err)
}
if len(sg.Children) != 2 {
t.Errorf("Expected 2. Got: %v", len(sg.Children))
}
if err := checkAttr(sg.Children[0], "name"); err != nil {
t.Error(err)
}
if err := checkAttr(sg.Children[1], "friends"); err != nil {
t.Error(err)
}
f := sg.Children[1]
if len(f.Children) != 0 {
t.Errorf("Expected 0. Got: %v", len(sg.Children))
}
}