graphql-php/tests/Executor/DeferredFieldsTest.php

498 lines
19 KiB
PHP

<?php
namespace GraphQL\Tests\Executor;
use GraphQL\Deferred;
use GraphQL\Executor\Executor;
use GraphQL\Language\Parser;
use GraphQL\Schema;
use GraphQL\Type\Definition\ObjectType;
use GraphQL\Type\Definition\ResolveInfo;
use GraphQL\Type\Definition\Type;
use GraphQL\Utils;
class DeferredFieldsTest extends \PHPUnit_Framework_TestCase
{
private $userType;
private $storyType;
private $categoryType;
private $path;
private $storyDataSource;
private $userDataSource;
private $categoryDataSource;
private $queryType;
public function setUp()
{
$this->storyDataSource = [
['id' => 1, 'authorId' => 1, 'title' => 'Story #1', 'categoryIds' => [2, 3]],
['id' => 2, 'authorId' => 2, 'title' => 'Story #2', 'categoryIds' => [1, 2]],
['id' => 3, 'authorId' => 3, 'title' => 'Story #3', 'categoryIds' => [2]],
['id' => 4, 'authorId' => 3, 'title' => 'Story #4', 'categoryIds' => [1]],
['id' => 5, 'authorId' => 1, 'title' => 'Story #5', 'categoryIds' => [3]],
['id' => 6, 'authorId' => 2, 'title' => 'Story #6', 'categoryIds' => [1]],
['id' => 7, 'authorId' => 3, 'title' => 'Story #7', 'categoryIds' => [2]],
['id' => 8, 'authorId' => 1, 'title' => 'Story #8', 'categoryIds' => [1, 2, 3]],
['id' => 9, 'authorId' => 2, 'title' => 'Story #9', 'categoryIds' => [2, 3]],
];
$this->userDataSource = [
['id' => 1, 'name' => 'John', 'bestFriendId' => 4],
['id' => 2, 'name' => 'Jane', 'bestFriendId' => 3],
['id' => 3, 'name' => 'Joe', 'bestFriendId' => 2],
['id' => 4, 'name' => 'Dirk', 'bestFriend' => 1],
];
$this->categoryDataSource = [
['id' => 1, 'name' => 'Category #1', 'topStoryId' => 8],
['id' => 2, 'name' => 'Category #2', 'topStoryId' => 3],
['id' => 3, 'name' => 'Category #3', 'topStoryId' => 9]
];
$this->path = [];
$this->userType = new ObjectType([
'name' => 'User',
'fields' => function() {
return [
'name' => [
'type' => Type::string(),
'resolve' => function ($user, $args, $context, ResolveInfo $info) {
$this->path[] = $info->path;
return $user['name'];
}
],
'bestFriend' => [
'type' => $this->userType,
'resolve' => function($user, $args, $context, ResolveInfo $info) {
$this->path[] = $info->path;
return new Deferred(function() use ($user) {
$this->path[] = 'deferred-for-best-friend-of-' . $user['id'];
return Utils::find($this->userDataSource, function($entry) use ($user) {
return $entry['id'] === $user['bestFriendId'];
});
});
}
]
];
}
]);
$this->storyType = new ObjectType([
'name' => 'Story',
'fields' => [
'title' => [
'type' => Type::string(),
'resolve' => function($entry, $args, $context, ResolveInfo $info) {
$this->path[] = $info->path;
return $entry['title'];
}
],
'author' => [
'type' => $this->userType,
'resolve' => function($story, $args, $context, ResolveInfo $info) {
$this->path[] = $info->path;
return new Deferred(function() use ($story) {
$this->path[] = 'deferred-for-story-' . $story['id'] . '-author';
return Utils::find($this->userDataSource, function($entry) use ($story) {
return $entry['id'] === $story['authorId'];
});
});
}
]
]
]);
$this->categoryType = new ObjectType([
'name' => 'Category',
'fields' => [
'name' => [
'type' => Type::string(),
'resolve' => function($category, $args, $context, ResolveInfo $info) {
$this->path[] = $info->path;
return $category['name'];
}
],
'stories' => [
'type' => Type::listOf($this->storyType),
'resolve' => function($category, $args, $context, ResolveInfo $info) {
$this->path[] = $info->path;
return Utils::filter($this->storyDataSource, function($story) use ($category) {
return in_array($category['id'], $story['categoryIds']);
});
}
],
'topStory' => [
'type' => $this->storyType,
'resolve' => function($category, $args, $context, ResolveInfo $info) {
$this->path[] = $info->path;
return new Deferred(function () use ($category) {
$this->path[] = 'deferred-for-category-' . $category['id'] . '-topStory';
return Utils::find($this->storyDataSource, function($story) use ($category) {
return $story['id'] === $category['topStoryId'];
});
});
}
]
]
]);
$this->queryType = new ObjectType([
'name' => 'Query',
'fields' => [
'topStories' => [
'type' => Type::listOf($this->storyType),
'resolve' => function($val, $args, $context, ResolveInfo $info) {
$this->path[] = $info->path;
return Utils::filter($this->storyDataSource, function($story) {
return $story['id'] % 2 === 1;
});
}
],
'featuredCategory' => [
'type' => $this->categoryType,
'resolve' => function($val, $args, $context, ResolveInfo $info) {
$this->path[] = $info->path;
return $this->categoryDataSource[0];
}
],
'categories' => [
'type' => Type::listOf($this->categoryType),
'resolve' => function($val, $args, $context, ResolveInfo $info) {
$this->path[] = $info->path;
return $this->categoryDataSource;
}
]
]
]);
parent::setUp();
}
public function testDeferredFields()
{
$query = Parser::parse('
{
topStories {
title
author {
name
}
}
featuredCategory {
stories {
title
author {
name
}
}
}
}
');
$schema = new Schema([
'query' => $this->queryType
]);
$expected = [
'data' => [
'topStories' => [
['title' => 'Story #1', 'author' => ['name' => 'John']],
['title' => 'Story #3', 'author' => ['name' => 'Joe']],
['title' => 'Story #5', 'author' => ['name' => 'John']],
['title' => 'Story #7', 'author' => ['name' => 'Joe']],
['title' => 'Story #9', 'author' => ['name' => 'Jane']],
],
'featuredCategory' => [
'stories' => [
['title' => 'Story #2', 'author' => ['name' => 'Jane']],
['title' => 'Story #4', 'author' => ['name' => 'Joe']],
['title' => 'Story #6', 'author' => ['name' => 'Jane']],
['title' => 'Story #8', 'author' => ['name' => 'John']],
]
]
]
];
$result = Executor::execute($schema, $query);
$this->assertEquals($expected, $result->toArray());
$expectedPath = [
['topStories'],
['topStories', 0, 'title'],
['topStories', 0, 'author'],
['topStories', 1, 'title'],
['topStories', 1, 'author'],
['topStories', 2, 'title'],
['topStories', 2, 'author'],
['topStories', 3, 'title'],
['topStories', 3, 'author'],
['topStories', 4, 'title'],
['topStories', 4, 'author'],
['featuredCategory'],
['featuredCategory', 'stories'],
['featuredCategory', 'stories', 0, 'title'],
['featuredCategory', 'stories', 0, 'author'],
['featuredCategory', 'stories', 1, 'title'],
['featuredCategory', 'stories', 1, 'author'],
['featuredCategory', 'stories', 2, 'title'],
['featuredCategory', 'stories', 2, 'author'],
['featuredCategory', 'stories', 3, 'title'],
['featuredCategory', 'stories', 3, 'author'],
'deferred-for-story-1-author',
'deferred-for-story-3-author',
'deferred-for-story-5-author',
'deferred-for-story-7-author',
'deferred-for-story-9-author',
'deferred-for-story-2-author',
'deferred-for-story-4-author',
'deferred-for-story-6-author',
'deferred-for-story-8-author',
['topStories', 0, 'author', 'name'],
['topStories', 1, 'author', 'name'],
['topStories', 2, 'author', 'name'],
['topStories', 3, 'author', 'name'],
['topStories', 4, 'author', 'name'],
['featuredCategory', 'stories', 0, 'author', 'name'],
['featuredCategory', 'stories', 1, 'author', 'name'],
['featuredCategory', 'stories', 2, 'author', 'name'],
['featuredCategory', 'stories', 3, 'author', 'name'],
];
$this->assertEquals($expectedPath, $this->path);
}
public function testNestedDeferredFields()
{
$query = Parser::parse('
{
categories {
name
topStory {
title
author {
name
bestFriend {
name
}
}
}
}
}
');
$schema = new Schema([
'query' => $this->queryType
]);
$author1 = ['name' => 'John', 'bestFriend' => ['name' => 'Dirk']];
$author2 = ['name' => 'Jane', 'bestFriend' => ['name' => 'Joe']];
$author3 = ['name' => 'Joe', 'bestFriend' => ['name' => 'Jane']];
$author4 = ['name' => 'Dirk', 'bestFriend' => ['name' => 'John']];
$expected = [
'data' => [
'categories' => [
['name' => 'Category #1', 'topStory' => ['title' => 'Story #8', 'author' => $author1]],
['name' => 'Category #2', 'topStory' => ['title' => 'Story #3', 'author' => $author3]],
['name' => 'Category #3', 'topStory' => ['title' => 'Story #9', 'author' => $author2]],
]
]
];
$result = Executor::execute($schema, $query);
$this->assertEquals($expected, $result->toArray());
$expectedPath = [
['categories'],
['categories', 0, 'name'],
['categories', 0, 'topStory'],
['categories', 1, 'name'],
['categories', 1, 'topStory'],
['categories', 2, 'name'],
['categories', 2, 'topStory'],
'deferred-for-category-1-topStory',
'deferred-for-category-2-topStory',
'deferred-for-category-3-topStory',
['categories', 0, 'topStory', 'title'],
['categories', 0, 'topStory', 'author'],
['categories', 1, 'topStory', 'title'],
['categories', 1, 'topStory', 'author'],
['categories', 2, 'topStory', 'title'],
['categories', 2, 'topStory', 'author'],
'deferred-for-story-8-author',
'deferred-for-story-3-author',
'deferred-for-story-9-author',
['categories', 0, 'topStory', 'author', 'name'],
['categories', 0, 'topStory', 'author', 'bestFriend'],
['categories', 1, 'topStory', 'author', 'name'],
['categories', 1, 'topStory', 'author', 'bestFriend'],
['categories', 2, 'topStory', 'author', 'name'],
['categories', 2, 'topStory', 'author', 'bestFriend'],
'deferred-for-best-friend-of-1',
'deferred-for-best-friend-of-3',
'deferred-for-best-friend-of-2',
['categories', 0, 'topStory', 'author', 'bestFriend', 'name'],
['categories', 1, 'topStory', 'author', 'bestFriend', 'name'],
['categories', 2, 'topStory', 'author', 'bestFriend', 'name'],
];
$this->assertEquals($expectedPath, $this->path);
}
public function testComplexRecursiveDeferredFields()
{
$complexType = new ObjectType([
'name' => 'ComplexType',
'fields' => function() use (&$complexType) {
return [
'sync' => [
'type' => Type::string(),
'resolve' => function($v, $a, $c, ResolveInfo $info) {
$this->path[] = $info->path;
return 'sync';
}
],
'deferred' => [
'type' => Type::string(),
'resolve' => function($v, $a, $c, ResolveInfo $info) {
$this->path[] = $info->path;
return new Deferred(function() use ($info) {
$this->path[] = ['!dfd for: ', $info->path];
return 'deferred';
});
}
],
'nest' => [
'type' => $complexType,
'resolve' => function($v, $a, $c, ResolveInfo $info) {
$this->path[] = $info->path;
return [];
}
],
'deferredNest' => [
'type' => $complexType,
'resolve' => function($v, $a, $c, ResolveInfo $info) {
$this->path[] = $info->path;
return new Deferred(function() use ($info) {
$this->path[] = ['!dfd nest for: ', $info->path];
return [];
});
}
]
];
}
]);
$schema = new Schema([
'query' => $complexType
]);
$query = Parser::parse('
{
nest {
sync
deferred
nest {
sync
deferred
}
deferredNest {
sync
deferred
}
}
deferredNest {
sync
deferred
nest {
sync
deferred
}
deferredNest {
sync
deferred
}
}
}
');
$result = Executor::execute($schema, $query);
$expected = [
'data' => [
'nest' => [
'sync' => 'sync',
'deferred' => 'deferred',
'nest' => [
'sync' => 'sync',
'deferred' => 'deferred'
],
'deferredNest' => [
'sync' => 'sync',
'deferred' => 'deferred'
]
],
'deferredNest' => [
'sync' => 'sync',
'deferred' => 'deferred',
'nest' => [
'sync' => 'sync',
'deferred' => 'deferred'
],
'deferredNest' => [
'sync' => 'sync',
'deferred' => 'deferred'
]
]
]
];
$this->assertEquals($expected, $result->toArray());
$expectedPath = [
['nest'],
['nest', 'sync'],
['nest', 'deferred'],
['nest', 'nest'],
['nest', 'nest', 'sync'],
['nest', 'nest', 'deferred'],
['nest', 'deferredNest'],
['deferredNest'],
['!dfd for: ', ['nest', 'deferred']],
['!dfd for: ', ['nest', 'nest', 'deferred']],
['!dfd nest for: ', ['nest', 'deferredNest']],
['!dfd nest for: ', ['deferredNest']],
['nest', 'deferredNest', 'sync'],
['nest', 'deferredNest', 'deferred'],
['deferredNest', 'sync'],
['deferredNest', 'deferred'],
['deferredNest', 'nest'],
['deferredNest', 'nest', 'sync'],
['deferredNest', 'nest', 'deferred'],
['deferredNest', 'deferredNest'],
['!dfd for: ', ['nest', 'deferredNest', 'deferred']],
['!dfd for: ', ['deferredNest', 'deferred']],
['!dfd for: ', ['deferredNest', 'nest', 'deferred']],
['!dfd nest for: ', ['deferredNest', 'deferredNest']],
['deferredNest', 'deferredNest', 'sync'],
['deferredNest', 'deferredNest', 'deferred'],
['!dfd for: ', ['deferredNest', 'deferredNest', 'deferred']],
];
$this->assertEquals($expectedPath, $this->path);
}
}