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1094 lines
26 KiB
PHP
1094 lines
26 KiB
PHP
<?php
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namespace CodeInspector\Tests;
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use PhpParser;
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use PhpParser\ParserFactory;
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use PHPUnit_Framework_TestCase;
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class TypeTest extends PHPUnit_Framework_TestCase
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{
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protected static $_parser;
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public static function setUpBeforeClass()
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{
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self::$_parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
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}
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/**
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* @expectedException CodeInspector\CodeException
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*/
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public function testNullableMethodCall()
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{
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$stmts = self::$_parser->parse('<?php
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class A {
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public function foo() {}
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}
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class B {
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public function bar(A $a = null) {
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$a->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithTernaryGuard()
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{
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$stmts = self::$_parser->parse('<?php
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class A {
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public function foo() {}
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}
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class B {
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public function bar(A $a = null) {
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$b = $a ? $a->foo() : null;
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithTernaryIfNullGuard()
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{
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$stmts = self::$_parser->parse('<?php
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class A {
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public function foo() {}
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}
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class B {
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public function bar(A $a = null) {
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$b = $a === null ? null : $a->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithTernaryEmptyGuard()
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{
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$stmts = self::$_parser->parse('<?php
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class A {
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public function foo() {}
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}
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class B {
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public function bar(A $a = null) {
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$b = empty($a) ? null : $a->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithTernaryIsNullGuard()
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{
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$stmts = self::$_parser->parse('<?php
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class A {
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public function foo() {}
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}
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class B {
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public function bar(A $a = null) {
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$b = is_null($a) ? null : $a->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithIfGuard()
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{
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$stmts = self::$_parser->parse('<?php
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class A {
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public function foo() {}
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}
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class B {
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public function bar(A $a = null) {
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if ($a) {
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$a->foo();
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}
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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/**
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* @expectedException CodeInspector\CodeException
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*/
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public function testNullableMethodCallWithThis()
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{
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$stmts = self::$_parser->parse('<?php
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class A {
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public function foo() {}
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}
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class B {
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public function bar(A $a = null) {
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$this->a = $a;
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$this->a->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithTernaryGuardWithThis()
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{
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$stmts = self::$_parser->parse('<?php
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class A {
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public function foo() {}
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}
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class B {
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public function bar(A $a = null) {
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$this->a = $a;
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$b = $this->a ? $this->a->foo() : null;
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithTernaryIfNullGuardWithThis()
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{
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$stmts = self::$_parser->parse('<?php
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class A {
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public function foo() {}
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}
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class B {
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public function bar(A $a = null) {
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$this->a = $a;
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$b = $this->a === null ? null : $this->a->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithIfGuardWithThis()
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{
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$stmts = self::$_parser->parse('<?php
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class A {
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public function foo() {}
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}
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class B {
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public function bar(A $a = null) {
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$this->a = $a;
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if ($this->a) {
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$this->a->foo();
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}
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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/**
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* @expectedException CodeInspector\CodeException
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*/
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public function testNullableMethodWithWrongIfGuard()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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if ($one) {
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$two->foo();
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}
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithExceptionThrown()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null) {
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if (!$one) {
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throw new Exception();
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}
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$one->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithRedefinitionAndElse()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null) {
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if (!$one) {
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$one = new One();
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}
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else {
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$one->two = 3;
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}
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$one->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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/**
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* @expectedException CodeInspector\CodeException
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*/
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public function testNullableMethodWithWrongBooleanIfGuard()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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if ($one || $two) {
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$two->foo();
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}
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithBooleanIfGuard()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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if ($one && $two) {
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$two->foo();
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}
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithNonNullBooleanIfGuard()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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if ($one !== null && $two) {
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$one->foo();
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}
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithNonNullBooleanIfGuardAndBooleanAnd()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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if ($one !== null && ($two || 1 + 1 === 3)) {
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$one->foo();
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}
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodInConditionWithIfGuardBefore()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public $a;
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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if ($one === null) {
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return;
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}
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if (!$one->a && $one->foo()) {
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// do something
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}
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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/**
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* @expectedException CodeInspector\CodeException
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*/
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public function testNullableMethodWithWrongIfGuardBefore()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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if ($two === null) {
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return;
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}
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$one->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithBooleanIfGuardBefore()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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if ($one === null || $two === null) {
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return;
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}
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$one->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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/**
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* @expectedException CodeInspector\CodeException
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*/
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public function testNullableMethodWithWrongBooleanIfGuardBefore()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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if ($one === null && $two === null) {
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return;
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}
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$one->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithGuardedRedefinition()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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if ($one === null) {
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$one = new One();
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}
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$one->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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/**
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* @expectedException CodeInspector\CodeException
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*/
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public function testNullableMethodWithGuardedNestedIncompleteRedefinition()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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$a = 4;
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if ($one === null) {
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if ($a === 4) {
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$one = new One();
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}
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}
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$one->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithGuardedNestedRedefinition()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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$a = 4;
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if ($one === null) {
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if ($a === 4) {
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$one = new One();
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}
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else {
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$one = new One();
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}
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}
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$one->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithGuardedSwitchRedefinition()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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$a = 4;
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if ($one === null) {
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switch ($a) {
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case 4:
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$one = new One();
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break;
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default:
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$one = new One();
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break;
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}
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}
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$one->foo();
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}
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}');
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
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$file_checker->check();
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}
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public function testNullableMethodWithGuardedNestedRedefinitionWithReturn()
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{
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$stmts = self::$_parser->parse('<?php
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class One {
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public function foo() {}
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}
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class Two {
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public function foo() {}
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}
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class B {
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public function bar(One $one = null, Two $two = null) {
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$a = 4;
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if ($one === null) {
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if ($a === 4) {
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$one = new One();
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return;
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}
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else {
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$one = new One();
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}
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}
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$one->foo();
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}
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}');
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|
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$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
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$file_checker->check();
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}
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|
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public function testNullableMethodWithGuardedNestedRedefinitionWithElseReturn()
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{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function foo() {}
|
|
}
|
|
|
|
class B {
|
|
public function bar(One $one = null, Two $two = null) {
|
|
$a = 4;
|
|
|
|
if ($one === null) {
|
|
if ($a === 4) {
|
|
$one = new One();
|
|
}
|
|
else {
|
|
$one = new One();
|
|
return;
|
|
}
|
|
}
|
|
|
|
$one->foo();
|
|
}
|
|
}');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
/**
|
|
* @expectedException CodeInspector\CodeException
|
|
*/
|
|
public function testNullableMethodWithGuardedNestedRedefinitionWithUselessElseReturn()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function foo() {}
|
|
}
|
|
|
|
class B {
|
|
public function bar(One $one = null, Two $two = null) {
|
|
$a = 4;
|
|
|
|
if ($one === null) {
|
|
if ($a === 4) {
|
|
$one = new One();
|
|
}
|
|
else if ($a === 3) {
|
|
// do nothing
|
|
}
|
|
else {
|
|
$one = new One();
|
|
return;
|
|
}
|
|
}
|
|
|
|
$one->foo();
|
|
}
|
|
}');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
public function testNullableMethodWithGuardedNestedRedefinitionWithElseifReturn()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function foo() {}
|
|
}
|
|
|
|
class B {
|
|
public function bar(One $one = null, Two $two = null) {
|
|
$a = 4;
|
|
|
|
if ($one === null) {
|
|
if ($a === 4) {
|
|
$one = new One();
|
|
}
|
|
else if ($a === 3) {
|
|
// do nothing
|
|
return;
|
|
}
|
|
else {
|
|
$one = new One();
|
|
}
|
|
}
|
|
|
|
$one->foo();
|
|
}
|
|
}');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
public function testNullableMethodWithGuardedSwitchBreak()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function foo() {}
|
|
}
|
|
|
|
class B {
|
|
public function bar(One $one = null, Two $two = null) {
|
|
$a = 4;
|
|
|
|
switch ($a) {
|
|
case 4:
|
|
if ($one === null) {
|
|
break;
|
|
}
|
|
|
|
$one->foo();
|
|
break;
|
|
}
|
|
}
|
|
}');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
public function testNullableMethodWithGuardedRedefinitionOnThis()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function foo() {}
|
|
}
|
|
|
|
class B {
|
|
public function bar(One $one = null, Two $two = null) {
|
|
$this->one = $one;
|
|
|
|
if ($this->one === null) {
|
|
$this->one = new One();
|
|
}
|
|
|
|
$this->one->foo();
|
|
}
|
|
}');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
public function testArrayUnionTypeAssertion()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
/** @var array|null */
|
|
$ids = (1 + 1 === 2) ? [] : null;
|
|
|
|
if ($ids === null) {
|
|
$ids = [];
|
|
}
|
|
|
|
foreach ($ids as $id) {
|
|
|
|
}
|
|
');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
public function testArrayUnionTypeAssertionWithIsArray()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
/** @var array|null */
|
|
$ids = (1 + 1 === 2) ? [] : null;
|
|
|
|
if (!is_array($ids)) {
|
|
$ids = [];
|
|
}
|
|
|
|
foreach ($ids as $id) {
|
|
|
|
}
|
|
');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
public function testVariableReassignment()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function bar() {}
|
|
}
|
|
|
|
$one = new One();
|
|
|
|
$one = new Two();
|
|
|
|
$one->bar();
|
|
|
|
');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
public function testVariableReassignmentInIf()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function bar() {}
|
|
}
|
|
|
|
$one = new One();
|
|
|
|
if (1 + 1 === 2) {
|
|
$one = new Two();
|
|
|
|
$one->bar();
|
|
}
|
|
|
|
');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
/**
|
|
* @expectedException CodeInspector\CodeException
|
|
*/
|
|
public function testVariableReassignmentInIfWithOutsideCall()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function bar() {}
|
|
}
|
|
|
|
$one = new One();
|
|
|
|
if (1 + 1 === 2) {
|
|
$one = new Two();
|
|
|
|
$one->bar();
|
|
}
|
|
|
|
$one->bar();
|
|
|
|
');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
public function testUnionTypeFlow()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function bar() {}
|
|
}
|
|
|
|
class Three {
|
|
public function baz() {}
|
|
}
|
|
|
|
/** @var One|Two|Three|null */
|
|
$var = null;
|
|
|
|
if ($var instanceof One) {
|
|
$var->foo();
|
|
}
|
|
else {
|
|
if ($var instanceof Two) {
|
|
$var->bar();
|
|
}
|
|
else if ($var) {
|
|
$var->baz();
|
|
}
|
|
}
|
|
');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
public function testUnnecessaryInstanceof()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function bar() {}
|
|
}
|
|
|
|
class Three {
|
|
public function baz() {}
|
|
}
|
|
|
|
|
|
$var = new One();
|
|
|
|
if ($var instanceof One) {
|
|
$var->foo();
|
|
}
|
|
');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
/**
|
|
* @expectedException CodeInspector\CodeException
|
|
*/
|
|
public function testUnNegatableInstanceof()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo() {}
|
|
}
|
|
|
|
class Two {
|
|
public function bar() {}
|
|
}
|
|
|
|
class Three {
|
|
public function baz() {}
|
|
}
|
|
|
|
|
|
$var = new One();
|
|
|
|
if ($var instanceof One) {
|
|
$var->foo();
|
|
}
|
|
else {
|
|
// do something
|
|
}
|
|
');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
|
|
public function testTypeAdjustment()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo(){
|
|
$var = 0;
|
|
|
|
if (5 + 3 === 8) {
|
|
$var = "hello";
|
|
}
|
|
|
|
return $var;
|
|
}
|
|
}
|
|
');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$stmts = $file_checker->check();
|
|
|
|
$method_stmts = $stmts[0]->stmts[0]->stmts;
|
|
|
|
$return_stmt = array_pop($method_stmts);
|
|
|
|
$this->assertSame('string|int', $return_stmt->returnType);
|
|
}
|
|
|
|
public function testTypeMixedAdjustment()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class One {
|
|
public function foo(){
|
|
$var = 0;
|
|
|
|
$arr = ["hello"];
|
|
|
|
if (5 + 3 === 8) {
|
|
$var = $arr[0];
|
|
}
|
|
|
|
return $var;
|
|
}
|
|
}
|
|
');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$stmts = $file_checker->check();
|
|
|
|
$method_stmts = $stmts[0]->stmts[0]->stmts;
|
|
|
|
$return_stmt = array_pop($method_stmts);
|
|
|
|
$this->assertSame('mixed', $return_stmt->returnType);
|
|
}
|
|
|
|
public function testSwitchVariableWithContinue()
|
|
{
|
|
$stmts = self::$_parser->parse('<?php
|
|
class B {
|
|
public function bar() {
|
|
foreach ([\'a\', \'b\', \'c\'] as $letter) {
|
|
switch ($letter) {
|
|
case \'a\':
|
|
$foo = 1;
|
|
break;
|
|
case \'b\':
|
|
$foo = 2;
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
|
|
$moo = $foo;
|
|
}
|
|
}
|
|
}');
|
|
|
|
$file_checker = new \CodeInspector\FileChecker('somefile.php', $stmts);
|
|
$file_checker->check();
|
|
}
|
|
}
|