<?php
if (!file_exists(__DIR__.'/config.php')) {
	copy(__DIR__.'/config.php.dist',__DIR__.'/config.php');
}
require __DIR__.'/config.php';
require __DIR__.'/../api.php';

class API
{
	protected $test;
	protected $api;

	public function __construct($test)
	{
		$this->test = $test;
	}

	private function action($method,$url,$data='')
	{
		$url = parse_url($url);
		$query = isset($url['query'])?$url['query']:'';
		parse_str($query,$get);

		$this->api = new PHP_CRUD_API(array(
				'dbengine'=>PHP_CRUD_API_Config::$dbengine,
				'hostname'=>PHP_CRUD_API_Config::$hostname,
				'username'=>PHP_CRUD_API_Config::$username,
				'password'=>PHP_CRUD_API_Config::$password,
				'database'=>PHP_CRUD_API_Config::$database,
				// callbacks
				'table_authorizer'=>function($action,$database,$table) { return true; },
				'column_authorizer'=>function($action,$database,$table,$column) { return !($column=='password'&&$action=='list'); },
				'record_filter'=>function($action,$database,$table) { return ($table=='posts')?array('id,neq,13'):false; },
				'tenancy_function'=>function($action,$database,$table,$column) { return ($table=='users'&&$column=='id')?1:null; },
				'input_sanitizer'=>function($action,$database,$table,$column,$type,$value) { return $value===null?null:strip_tags($value); },
				'input_validator'=>function($action,$database,$table,$column,$type,$value,$context) { return ($column=='category_id' && !is_numeric($value))?'must be numeric':true; },
				// for tests
				'method' =>$method,
				'request' =>$url['path'],
				'post'=>$data,
				'get' =>$get,
		));
		return $this;
	}

	public function get($url)
	{
		return $this->action('GET',$url);
	}

	public function post($url,$data)
	{
		return $this->action('POST',$url,$data);
	}

	public function put($url,$data)
	{
		return $this->action('PUT',$url,$data);
	}

	public function delete($url)
	{
		return $this->action('DELETE',$url);
	}

	public function options($url)
	{
		return $this->action('OPTIONS',$url);
	}

	public function patch($url,$data)
	{
		return $this->action('PATCH',$url,$data);
	}

	public function expectAny()
	{
		ob_start();
		$this->api->executeCommand();
		ob_end_clean();
		return $this;
	}

	public function expect($output,$error=false)
	{
		$exception = false;
		ob_start();
		try {
			$this->api->executeCommand();
		} catch (\Exception $e) {
			$exception = $e->getMessage();
		}
		$data = ob_get_contents();
		ob_end_clean();
		if ($exception) $this->test->assertEquals($error, $exception);
		else $this->test->assertEquals($output, $data);
		return $this;
	}
}

class PHP_CRUD_API_Test extends PHPUnit_Framework_TestCase
{
	public static function setUpBeforeClass()
	{
		if (PHP_CRUD_API_Config::$database=='{{test_database}}') {
			die("Configure database in 'config.php' before running tests.\n");
		}

		$dbengine = PHP_CRUD_API_Config::$dbengine;
		$hostname = PHP_CRUD_API_Config::$hostname;
		$username = PHP_CRUD_API_Config::$username;
		$password = PHP_CRUD_API_Config::$password;
		$database = PHP_CRUD_API_Config::$database;

		$fixture = __DIR__.'/blog_'.strtolower($dbengine).'.sql';

		if ($dbengine == 'MySQL') {

			$link = mysqli_connect($hostname, $username, $password, $database);
			if (mysqli_connect_errno()) {
				die("Connect failed: ".mysqli_connect_error()."\n");
			}
			mysqli_set_charset($link,'utf8');

			$i=0;
			if (mysqli_multi_query($link, file_get_contents($fixture))) {
				do { $i++; mysqli_next_result($link); } while (mysqli_more_results($link));
			}
			if (mysqli_errno($link)) {
				die("Loading '$fixture' failed on statemement #$i with error:\n".mysqli_error($link)."\n");
			}

			mysqli_close($link);

		} elseif ($dbengine == 'SQLServer') {

			$connectionInfo = array();
			$connectionInfo['UID']=$username;
			$connectionInfo['PWD']=$password;
			$connectionInfo['Database']=$database;
			$connectionInfo['CharacterSet']='UTF-8';
			$conn = sqlsrv_connect( $hostname, $connectionInfo);
			if (!$conn) {
				die("Connect failed: ".print_r( sqlsrv_errors(), true));
			}
			$queries = preg_split('/\n\s*GO\s*\n/', file_get_contents($fixture));
			array_pop($queries);
			foreach ($queries as $i=>$query) {
				if (!sqlsrv_query($conn, $query)) {
					$i++;
					die("Loading '$fixture' failed on statemement #$i with error:\n".print_r( sqlsrv_errors(), true)."\n");
				}
			}
			sqlsrv_close($conn);

		} elseif ($dbengine == 'PostgreSQL') {

			$e = function ($v) { return str_replace(array('\'','\\'),array('\\\'','\\\\'),$v); };
			$hostname = $e($hostname);
			$database = $e($database);
			$username = $e($username);
			$password = $e($password);
			$conn_string = "host='$hostname' dbname='$database' user='$username' password='$password' options='--client_encoding=UTF8'";
			$db = pg_connect($conn_string);
			if (!$db) {
				die("Connect failed: ". pg_last_error());
			}
			$queries = preg_split('/;\s*\n/', file_get_contents($fixture));
			array_pop($queries);
			foreach ($queries as $i=>$query) {
				if (!pg_query($db, $query.';')) {
					$i++;
					die("Loading '$fixture' failed on statemement #$i with error:\n".print_r( pg_last_error($db), true)."\n");
				}
			}
			pg_close($db);

		} elseif ($dbengine == 'SQLite') {

			$db = new SQLite3($database);
			if (!$db) {
				die("Could not open '$database' SQLite database: ".SQLite3::lastErrorMsg().' ('.SQLite3::lastErrorCode().")\n");
			}
			$queries = preg_split('/;\s*\n/', file_get_contents($fixture));
			array_pop($queries);
			foreach ($queries as $i=>$query) {
				if (!$db->query($query.';')) {
					$i++;
					die("Loading '$fixture' failed on statemement #$i with error:\n".$db->lastErrorCode().': '.$db->lastErrorMsg()."\n");
				}
			}
			$db->close();
		}
	}

	public function testListPosts()
	{
		$test = new API($this);
		$test->get('/posts');
		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[[1,1,1,"blog started"],[2,1,2,"It works!"]]}}');
	}

	public function testListPostColumns()
	{
		$test = new API($this);
		$test->get('/posts?columns=id,content');
		$test->expect('{"posts":{"columns":["id","content"],"records":[[1,"blog started"],[2,"It works!"]]}}');
	}

	public function testListPostsWithTransform()
	{
		$test = new API($this);
		$test->get('/posts?transform=1');
		$test->expect('{"posts":[{"id":1,"user_id":1,"category_id":1,"content":"blog started"},{"id":2,"user_id":1,"category_id":2,"content":"It works!"}]}');
	}

	public function testReadPost()
	{
		$test = new API($this);
		$test->get('/posts/2');
		$test->expect('{"id":2,"user_id":1,"category_id":2,"content":"It works!"}');
	}

	public function testReadPosts()
	{
		$test = new API($this);
		$test->get('/posts/1,2');
		$test->expect('[{"id":1,"user_id":1,"category_id":1,"content":"blog started"},{"id":2,"user_id":1,"category_id":2,"content":"It works!"}]');
	}

	public function testReadPostColumns()
	{
		$test = new API($this);
		$test->get('/posts/2?columns=id,content');
		$test->expect('{"id":2,"content":"It works!"}');
	}

	public function testAddPost()
	{
		$test = new API($this);
		$test->post('/posts','{"user_id":1,"category_id":1,"content":"test"}');
		$test->expect('3');
	}

	public function testEditPost()
	{
		$test = new API($this);
		$test->put('/posts/3','{"user_id":1,"category_id":1,"content":"test (edited)"}');
		$test->expect('1');
		$test->get('/posts/3');
		$test->expect('{"id":3,"user_id":1,"category_id":1,"content":"test (edited)"}');
	}

	public function testEditPostColumnsMissingField()
	{
		$test = new API($this);
		$test->put('/posts/3?columns=id,content','{"content":"test (edited 2)"}');
		$test->expect('1');
		$test->get('/posts/3');
		$test->expect('{"id":3,"user_id":1,"category_id":1,"content":"test (edited 2)"}');
	}

    public function testEditPostColumnsExtraField()
	{
		$test = new API($this);
		$test->put('/posts/3?columns=id,content','{"user_id":2,"content":"test (edited 3)"}');
		$test->expect('1');
		$test->get('/posts/3');
		$test->expect('{"id":3,"user_id":1,"category_id":1,"content":"test (edited 3)"}');
	}

	public function testEditPostWithUtf8Content()
	{
		$utf8 = json_encode('Hello world, Καλημέρα κόσμε, コンニチハ');
		$test = new API($this);
		$test->put('/posts/2','{"content":'.$utf8.'}');
		$test->expect('1');
		$test->get('/posts/2');
		$test->expect('{"id":2,"user_id":1,"category_id":2,"content":'.$utf8.'}');
	}

	public function testEditPostWithUtf8ContentWithPost()
	{
		$utf8 = '€ Hello world, Καλημέρα κόσμε, コンニチハ';
		$url_encoded = urlencode($utf8);
		$json_encoded = json_encode($utf8);
		$test = new API($this);
		$test->put('/posts/2','content='.$url_encoded);
		$test->expect('1');
		$test->get('/posts/2');
		$test->expect('{"id":2,"user_id":1,"category_id":2,"content":'.$json_encoded.'}');
	}

	public function testDeletePost()
	{
		$test = new API($this);
		$test->delete('/posts/3');
		$test->expect('1');
		$test->get('/posts/3');
		$test->expect(false,'Not found (object)');
	}

	public function testAddPostWithPost()
	{
		$test = new API($this);
		$test->post('/posts','user_id=1&category_id=1&content=test');
		$test->expect('4');
	}

	public function testEditPostWithPost()
	{
		$test = new API($this);
		$test->put('/posts/4','user_id=1&category_id=1&content=test+(edited)');
		$test->expect('1');
		$test->get('/posts/4');
		$test->expect('{"id":4,"user_id":1,"category_id":1,"content":"test (edited)"}');
	}

	public function testDeletePostWithPost()
	{
		$test = new API($this);
		$test->delete('/posts/4');
		$test->expect('1');
		$test->get('/posts/4');
		$test->expect(false,'Not found (object)');
	}

	public function testListWithPaginate()
	{
		$test = new API($this);
		for ($i=1;$i<=10;$i++) {
			$test->post('/posts','{"user_id":1,"category_id":1,"content":"#'.$i.'"}');
			$test->expect(4+$i);
		}
		$test->get('/posts?page=2,2&order=id');
		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[[5,1,1,"#1"],[6,1,1,"#2"]],"results":11}}');
	}

	public function testListWithPaginateInMultipleOrder()
	{
		$test = new API($this);
		$test->get('/posts?page=1,2&order[]=category_id,asc&order[]=id,desc');
		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[[14,1,1,"#10"],[12,1,1,"#8"]],"results":11}}');
	}

	public function testListWithPaginateInDescendingOrder()
	{
		$test = new API($this);
		$test->get('/posts?page=2,2&order=id,desc');
		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[[11,1,1,"#7"],[10,1,1,"#6"]],"results":11}}');
	}

	public function testListWithPaginateLastPage()
	{
		$test = new API($this);
		$test->get('/posts?page=3,5&order=id');
		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[[14,1,1,"#10"]],"results":11}}');
	}

	public function testListExampleFromReadme()
	{
		$test = new API($this);
		$test->get('/posts?include=categories,tags,comments&filter=id,eq,1');
		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[[1,1,1,"blog started"]]},"post_tags":{"relations":{"post_id":"posts.id"},"columns":["id","post_id","tag_id"],"records":[[1,1,1],[2,1,2]]},"categories":{"relations":{"id":"posts.category_id"},"columns":["id","name","icon"],"records":[[1,"announcement",null]]},"tags":{"relations":{"id":"post_tags.tag_id"},"columns":["id","name"],"records":[[1,"funny"],[2,"important"]]},"comments":{"relations":{"post_id":"posts.id"},"columns":["id","post_id","message"],"records":[[1,1,"great"],[2,1,"fantastic"]]}}');
	}

	public function testListExampleFromReadmeWithTransform()
	{
		$test = new API($this);
		$test->get('/posts?include=categories,tags,comments&filter=id,eq,1&transform=1');
		$test->expect('{"posts":[{"id":1,"post_tags":[{"id":1,"post_id":1,"tag_id":1,"tags":[{"id":1,"name":"funny"}]},{"id":2,"post_id":1,"tag_id":2,"tags":[{"id":2,"name":"important"}]}],"comments":[{"id":1,"post_id":1,"message":"great"},{"id":2,"post_id":1,"message":"fantastic"}],"user_id":1,"category_id":1,"categories":[{"id":1,"name":"announcement","icon":null}],"content":"blog started"}]}');
	}

	public function testEditCategoryWithBinaryContent()
	{
		$binary = base64_encode("\0abc\0\n\r\b\0");
		$base64url = rtrim(strtr($binary, '+/', '-_'), '=');
		$test = new API($this);
		$test->put('/categories/2','{"icon":"'.$base64url.'"}');
		$test->expect('1');
		$test->get('/categories/2');
		$test->expect('{"id":2,"name":"article","icon":"'.$binary.'"}');
	}

	public function testEditCategoryWithNull()
	{
		$test = new API($this);
		$test->put('/categories/2','{"icon":null}');
		$test->expect('1');
		$test->get('/categories/2');
		$test->expect('{"id":2,"name":"article","icon":null}');
	}

	public function testEditCategoryWithBinaryContentWithPost()
	{
		$binary = base64_encode("€ \0abc\0\n\r\b\0");
		$base64url = rtrim(strtr($binary, '+/', '-_'), '=');
		$test = new API($this);
		$test->put('/categories/2','icon='.$base64url);
		$test->expect('1');
		$test->get('/categories/2');
		$test->expect('{"id":2,"name":"article","icon":"'.$binary.'"}');
	}

	public function testListCategoriesWithBinaryContent()
	{
		$test = new API($this);
		$test->get('/categories');
		$test->expect('{"categories":{"columns":["id","name","icon"],"records":[[1,"announcement",null],[2,"article","4oKsIABhYmMACg1cYgA="]]}}');
	}

	public function testEditCategoryWithNullWithPost()
	{
		$test = new API($this);
		$test->put('/categories/2','icon__is_null');
		$test->expect('1');
		$test->get('/categories/2');
		$test->expect('{"id":2,"name":"article","icon":null}');
	}

	public function testAddPostFailure()
	{
		$test = new API($this);
		$test->post('/posts','{"user_id":"a","category_id":1,"content":"tests"}');
		$test->expect('null');
	}

	public function testOptionsRequest()
	{
		$test = new API($this);
		$test->options('/posts/2');
		$test->expect('["Access-Control-Allow-Headers: Content-Type","Access-Control-Allow-Methods: OPTIONS, GET, PUT, POST, DELETE, PATCH","Access-Control-Allow-Credentials: true","Access-Control-Max-Age: 1728000"]',false);
	}

	public function testHidingPasswordColumn()
	{
		$test = new API($this);
		$test->get('/users?filter=id,eq,1&transform=1');
		$test->expect('{"users":[{"id":1,"username":"user1","location":null}]}');
	}

	public function testValidatorErrorMessage()
	{
		$test = new API($this);
		$test->put('/posts/1','{"category_id":"a"}');
		$test->expect(false,'{"category_id":"must be numeric"}');
	}

	public function testSanitizerToStripTags()
	{
		$test = new API($this);
		$test->put('/categories/2','{"name":"<script>alert();</script>"}');
		$test->expect('1');
		$test->get('/categories/2');
		$test->expect('{"id":2,"name":"alert();","icon":null}');
	}

	public function testErrorOnInvalidJson()
	{
		$test = new API($this);
		$test->post('/posts','{"}');
		$test->expect(false,'Not found (input)');
	}

	public function testErrorOnDuplicatePrimaryKey()
	{
		$test = new API($this);
		$test->post('/posts','{"id":1,"user_id":1,"category_id":1,"content":"blog started (duplicate)"}');
		$test->expect('null');
	}

	public function testErrorOnFailingForeignKeyConstraint()
	{
		$test = new API($this);
		$test->post('/posts','{"user_id":3,"category_id":1,"content":"fk constraint"}');
		$test->expect('null');
	}

	public function testMissingIntermediateTable()
	{
		$test = new API($this);
		$test->get('/users?include=posts,tags');
		$test->expect('{"users":{"columns":["id","username","location"],"records":[[1,"user1",null]]},"posts":{"relations":{"user_id":"users.id"},"columns":["id","user_id","category_id","content"],"records":[[1,1,1,"blog started"],[2,1,2,"\u20ac Hello world, \u039a\u03b1\u03bb\u03b7\u03bc\u1f73\u03c1\u03b1 \u03ba\u1f79\u03c3\u03bc\u03b5, \u30b3\u30f3\u30cb\u30c1\u30cf"],[5,1,1,"#1"],[6,1,1,"#2"],[7,1,1,"#3"],[8,1,1,"#4"],[9,1,1,"#5"],[10,1,1,"#6"],[11,1,1,"#7"],[12,1,1,"#8"],[14,1,1,"#10"]]},"post_tags":{"relations":{"post_id":"posts.id"},"columns":["id","post_id","tag_id"],"records":[[1,1,1],[2,1,2],[3,2,1],[4,2,2]]},"tags":{"relations":{"id":"post_tags.tag_id"},"columns":["id","name"],"records":[[1,"funny"],[2,"important"]]}}');
	}

	public function testEditUserPassword()
	{
		$test = new API($this);
		$test->put('/users/1','{"password":"testtest"}');
		$test->expect('1');
	}

	public function testEditUserLocation()
	{
		$test = new API($this);
		$test->put('/users/1','{"location":"POINT(30 20)"}');
		$test->expect('1');
		$test->get('/users/1?columns=id,location');
		if (PHP_CRUD_API_Config::$dbengine=='SQLServer') {
			$test->expect('{"id":1,"location":"POINT (30 20)"}');
		} else {
			$test->expect('{"id":1,"location":"POINT(30 20)"}');
		}
	}

	public function testListUserLocations()
	{
		$test = new API($this);
		$test->get('/users?columns=id,location');
		if (PHP_CRUD_API_Config::$dbengine=='SQLServer') {
			$test->expect('{"users":{"columns":["id","location"],"records":[[1,"POINT (30 20)"]]}}');
		} else {
			$test->expect('{"users":{"columns":["id","location"],"records":[[1,"POINT(30 20)"]]}}');
		}
	}

	public function testEditUserWithId()
	{
		if (PHP_CRUD_API_Config::$dbengine!='SQLServer') {
			$test = new API($this);
			$test->put('/users/1','{"id":2,"password":"testtest2"}');
			$test->expect('1');
			$test->get('/users/1?columns=id,username,password');
			$test->expect('{"id":1,"username":"user1","password":"testtest2"}');
		}
	}

	public function testReadOtherUser()
	{
		$test = new API($this);
		$test->get('/users/2');
		$test->expect(false,'Not found (object)');
	}

	public function testEditOtherUser()
	{
		$test = new API($this);
		$test->put('/users/2','{"password":"testtest"}');
		$test->expect('0');
	}

	public function testFilterCategoryOnNullIcon()
	{
		$test = new API($this);
		$test->get('/categories?filter[]=icon,is,null&transform=1');
		$test->expect('{"categories":[{"id":1,"name":"announcement","icon":null},{"id":2,"name":"alert();","icon":null}]}');
	}

	public function testFilterCategoryOnNotNullIcon()
	{
		$test = new API($this);
		$test->get('/categories?filter[]=icon,nis,null&transform=1');
		$test->expect('{"categories":[]}');
	}

	public function testFilterPostsNotIn()
	{
		$test = new API($this);
		$test->get('/posts?filter[]=id,nin,1,2,3,4,7,8,9,10,11,12,13,14&transform=1');
		$test->expect('{"posts":[{"id":5,"user_id":1,"category_id":1,"content":"#1"},{"id":6,"user_id":1,"category_id":1,"content":"#2"}]}');
	}

	public function testFilterPostsBetween()
	{
		$test = new API($this);
		$test->get('/posts?filter[]=id,bt,5,6&transform=1');
		$test->expect('{"posts":[{"id":5,"user_id":1,"category_id":1,"content":"#1"},{"id":6,"user_id":1,"category_id":1,"content":"#2"}]}');
	}

	public function testFilterPostsNotBetween()
	{
		$test = new API($this);
		$test->get('/posts?filter[]=id,nbt,2,13&transform=1');
		$test->expect('{"posts":[{"id":1,"user_id":1,"category_id":1,"content":"blog started"},{"id":14,"user_id":1,"category_id":1,"content":"#10"}]}');
	}

	public function testColumnsWithTable()
	{
		$test = new API($this);
		$test->get('/posts?columns=posts.content&filter=id,eq,1&transform=1');
		$test->expect('{"posts":[{"content":"blog started"}]}');
	}

	public function testColumnsWithTableWildcard()
	{
		$test = new API($this);
		$test->get('/posts?columns=posts.*&filter=id,eq,1&transform=1');
		$test->expect('{"posts":[{"id":1,"user_id":1,"category_id":1,"content":"blog started"}]}');
	}

	public function testColumnsOnInclude()
	{
		$test = new API($this);
		$test->get('/posts?include=categories&columns=categories.name&filter=id,eq,1&transform=1');
		$test->expect('{"posts":[{"category_id":1,"categories":[{"id":1,"name":"announcement"}]}]}');
	}

	public function testFilterOnRelationAnd()
	{
		$test = new API($this);
		$test->get('/categories?include=posts&filter[]=id,ge,1&filter[]=id,le,1&filter[]=id,le,2&filter[]=posts.id,lt,8&filter[]=posts.id,gt,4');
		$test->expect('{"categories":{"columns":["id","name","icon"],"records":[[1,"announcement",null]]},"posts":{"relations":{"category_id":"categories.id"},"columns":["id","user_id","category_id","content"],"records":[[5,1,1,"#1"],[6,1,1,"#2"],[7,1,1,"#3"]]}}');
	}

	public function testFilterOnRelationOr()
	{
		$test = new API($this);
		$test->get('/categories?include=posts&filter[]=id,ge,1&filter[]=id,le,1&filter[]=posts.id,eq,5&filter[]=posts.id,eq,6&filter[]=posts.id,eq,7&satisfy=all,posts.any');
		$test->expect('{"categories":{"columns":["id","name","icon"],"records":[[1,"announcement",null]]},"posts":{"relations":{"category_id":"categories.id"},"columns":["id","user_id","category_id","content"],"records":[[5,1,1,"#1"],[6,1,1,"#2"],[7,1,1,"#3"]]}}');
	}

	public function testColumnsOnWrongInclude()
	{
		$test = new API($this);
		$test->get('/posts?include=categories&columns=categories&filter=id,eq,1&transform=1');
		$test->expect('{"posts":[{"category_id":1,"categories":[{"id":1}]}]}');
	}

	public function testColumnsOnImplicitJoin()
	{
		$test = new API($this);
		$test->get('/posts?include=tags&columns=posts.id,tags.name&filter=id,eq,1&transform=1');
		$test->expect('{"posts":[{"id":1,"post_tags":[{"post_id":1,"tag_id":1,"tags":[{"id":1,"name":"funny"}]},{"post_id":1,"tag_id":2,"tags":[{"id":2,"name":"important"}]}]}]}');
	}

	public function testSpatialFilterWithin()
	{
		if (PHP_CRUD_API_Config::$dbengine!='SQLite') {
			$test = new API($this);
			$test->get('/users?columns=id,username&filter=location,swi,POINT(30 20)');
			$test->expect('{"users":{"columns":["id","username"],"records":[[1,"user1"]]}}');
		}
	}

	public function testAddPostsWithNonExistingCategory()
	{ 
		$test = new API($this);
		$test->post('/posts','[{"user_id":1,"category_id":1,"content":"tests"},{"user_id":1,"category_id":15,"content":"tests"}]');
		$test->expect('null');
		$test->get('/posts?columns=content&filter=content,eq,tests');
		$test->expect('{"posts":{"columns":["content"],"records":[]}}');
	}

	public function testAddPosts()
	{
		$test = new API($this);
		$test->post('/posts','[{"user_id":1,"category_id":1,"content":"tests"},{"user_id":1,"category_id":1,"content":"tests"}]');
		$test->expectAny();
		$test->get('/posts?columns=content&filter=content,eq,tests');
		$test->expect('{"posts":{"columns":["content"],"records":[["tests"],["tests"]]}}');
	}

	public function testListEvents()
	{
		$test = new API($this);
		$test->get('/events?columns=datetime');
		$test->expect('{"events":{"columns":["datetime"],"records":[["2016-01-01 13:01:01.111"]]}}');
	}

	public function testIncrementEventVisitors()
	{
		$test = new API($this);
		$test->patch('/events/1','{"visitors":11}');
		$test->expect('1');
		$test->get('/events/1');
		$test->expect('{"id":1,"name":"Launch","datetime":"2016-01-01 13:01:01.111","visitors":11}');
	}

	public function testIncrementEventVisitorsWithZero()
	{
		$test = new API($this);
		$test->patch('/events/1','{"visitors":0}');
		$test->expect('1');
		$test->get('/events/1');
		$test->expect('{"id":1,"name":"Launch","datetime":"2016-01-01 13:01:01.111","visitors":11}');
	}

	public function testDecrementEventVisitors()
	{
		$test = new API($this);
		$test->patch('/events/1','{"visitors":-5}');
		$test->expect('1');
		$test->get('/events/1');
		$test->expect('{"id":1,"name":"Launch","datetime":"2016-01-01 13:01:01.111","visitors":6}');
	}

	public function testListTagUsage()
	{
		$test = new API($this);
		$test->get('/tag_usage');
		$test->expect('{"tag_usage":{"columns":["name","count"],"records":[["funny",2],["important",2]]}}');
	}

	public function testUpdateMultipleTags()
	{
		$test = new API($this);
		$test->get('/tags?transform=1');
		$test->expect('{"tags":[{"id":1,"name":"funny"},{"id":2,"name":"important"}]}');
		$test->put('/tags/1,2','[{"name":"funny"},{"name":"important"}]');
		$test->expect('[1,1]');
	}

	public function testUpdateMultipleTagsTooManyIds()
	{
		$test = new API($this);
		$test->put('/tags/1,2,3','[{"name":"funny!!!"},{"name":"important"}]');
		$test->expect(false,'Not found (subject)');
		$test->get('/tags?transform=1');
		$test->expect('{"tags":[{"id":1,"name":"funny"},{"id":2,"name":"important"}]}');
	}

	public function testUpdateMultipleTagsWithoutFields()
	{
		$test = new API($this);
		$test->put('/tags/1,2','[{"name":"funny!!!"},{}]');
		$test->expect('null');
		$test->get('/tags?transform=1');
		$test->expect('{"tags":[{"id":1,"name":"funny"},{"id":2,"name":"important"}]}');
	}

	public function testDeleteMultipleTags()
	{
		$test = new API($this);
		$test->post('/tags','[{"name":"extra"},{"name":"more"}]');
		$test->expect('[3,4]');
		$test->delete('/tags/3,4');
		$test->expect('[1,1]');
		$test->get('/tags?transform=1');
		$test->expect('{"tags":[{"id":1,"name":"funny"},{"id":2,"name":"important"}]}');
	}

	public function testListProducts()
	{
		$test = new API($this);
		$test->get('/products?transform=1');
		$test->expect('{"products":[{"id":1,"name":"Calculator","price":"23.01"}]}');
	}
}