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psalm/tests/AnnotationTest.php
2018-03-30 17:46:12 -04:00

1464 lines
49 KiB
PHP

<?php
namespace Psalm\Tests;
use Psalm\Config;
use Psalm\Context;
class AnnotationTest extends TestCase
{
use Traits\FileCheckerInvalidCodeParseTestTrait;
use Traits\FileCheckerValidCodeParseTestTrait;
/**
* @return void
*/
public function testPhpStormGenericsWithValidArgument()
{
Config::getInstance()->allow_phpstorm_generics = true;
$this->addFile(
'somefile.php',
'<?php
function takesString(string $s): void {}
/** @param ArrayIterator|string[] $i */
function takesArrayIteratorOfString(ArrayIterator $i): void {
$s = $i->offsetGet("a");
takesString($s);
foreach ($i as $s2) {
takesString($s2);
}
}'
);
$this->analyzeFile('somefile.php', new Context());
}
/**
* @return void
*/
public function testPhpStormGenericsWithClassProperty()
{
Config::getInstance()->allow_phpstorm_generics = true;
$this->addFile(
'somefile.php',
'<?php
/** @psalm-suppress MissingConstructor */
class Foo {
/** @var \stdClass[]|\ArrayObject */
public $bar;
/**
* @return \stdClass[]|\ArrayObject
*/
public function getBar(): \ArrayObject
{
return $this->bar;
}
}'
);
$this->analyzeFile('somefile.php', new Context());
}
/**
* @return void
*/
public function testPhpStormGenericsWithValidIterableArgument()
{
Config::getInstance()->allow_phpstorm_generics = true;
$this->addFile(
'somefile.php',
'<?php
function takesString(string $s): void {}
/** @param iterable|string[] $i */
function takesArrayIteratorOfString(iterable $i): void {
foreach ($i as $s2) {
takesString($s2);
}
}'
);
$this->analyzeFile('somefile.php', new Context());
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage InvalidScalarArgument
*
* @return void
*/
public function testPhpStormGenericsInvalidArgument()
{
Config::getInstance()->allow_phpstorm_generics = true;
$this->addFile(
'somefile.php',
'<?php
function takesInt(int $s): void {}
/** @param ArrayIterator|string[] $i */
function takesArrayIteratorOfString(ArrayIterator $i): void {
$s = $i->offsetGet("a");
takesInt($s);
}'
);
$this->analyzeFile('somefile.php', new Context());
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage PossiblyInvalidMethodCall
*
* @return void
*/
public function testPhpStormGenericsNoTypehint()
{
Config::getInstance()->allow_phpstorm_generics = true;
$this->addFile(
'somefile.php',
'<?php
/** @param ArrayIterator|string[] $i */
function takesArrayIteratorOfString($i): void {
$s = $i->offsetGet("a");
}'
);
$this->analyzeFile('somefile.php', new Context());
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage InvalidArgument
*
* @return void
*/
public function testDontAllowStringConstCoercion()
{
Config::getInstance()->allow_coercion_from_string_to_class_const = false;
$this->addFile(
'somefile.php',
'<?php
/**
* @param class-string $s
*/
function takesClassConstants(string $s) : void {}
class A {}
takesClassConstants("A");'
);
$this->analyzeFile('somefile.php', new Context());
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage InvalidStringClass
*
* @return void
*/
public function testDontAllowStringStandInForNewClass()
{
Config::getInstance()->allow_string_standin_for_class = false;
$this->addFile(
'somefile.php',
'<?php
class A {}
$a = "A";
new $a();'
);
$this->analyzeFile('somefile.php', new Context());
}
/**
* @expectedException \Psalm\Exception\CodeException
* @expectedExceptionMessage InvalidStringClass
*
* @return void
*/
public function testDontAllowStringStandInForStaticMethodCall()
{
Config::getInstance()->allow_string_standin_for_class = false;
$this->addFile(
'somefile.php',
'<?php
class A {
public static function foo() : void {}
}
$a = "A";
$a::foo();'
);
$this->analyzeFile('somefile.php', new Context());
}
/**
* @return array
*/
public function providerFileCheckerValidCodeParse()
{
return [
'nopType' => [
'<?php
$a = "hello";
/** @var int $a */',
'assertions' => [
'$a' => 'int',
],
],
'deprecatedMethod' => [
'<?php
class Foo {
/**
* @deprecated
*/
public static function barBar(): void {
}
}',
],
'validDocblockReturn' => [
'<?php
/**
* @return string
*/
function fooFoo(): string {
return "boop";
}
/**
* @return array<int, string>
*/
function foo2(): array {
return ["hello"];
}
/**
* @return array<int, string>
*/
function foo3(): array {
return ["hello"];
}',
],
'reassertWithIs' => [
'<?php
/** @param array $a */
function foo($a): void {
if (is_array($a)) {
// do something
}
}',
'assertions' => [],
'error_level' => ['RedundantConditionGivenDocblockType'],
],
'checkArrayWithIs' => [
'<?php
/** @param mixed $b */
function foo($b): void {
/** @var array */
$a = (array)$b;
if (is_array($a)) {
// do something
}
}',
'assertions' => [],
'error_level' => ['RedundantConditionGivenDocblockType'],
],
'checkArrayWithIsInsideLoop' => [
'<?php
/** @param array<mixed, array<mixed, mixed>> $data */
function foo($data): void {
foreach ($data as $key => $val) {
if (!\is_array($data)) {
$data = [$key => null];
} else {
$data[$key] = !empty($val);
}
}
}',
'assertions' => [],
'error_level' => ['LoopInvalidation', 'MixedArrayOffset', 'RedundantConditionGivenDocblockType'],
],
'goodDocblock' => [
'<?php
class A {
/**
* @param A $a
* @param bool $b
*/
public function g(A $a, $b): void {
}
}',
],
'goodDocblockInNamespace' => [
'<?php
namespace Foo;
class A {
/**
* @param \Foo\A $a
* @param bool $b
*/
public function g(A $a, $b): void {
}
}',
],
'propertyDocblock' => [
'<?php
namespace Bar;
/**
* @property string $foo
*/
class A {
/** @param string $name */
public function __get($name): ?string {
if ($name === "foo") {
return "hello";
}
}
/**
* @param string $name
* @param mixed $value
*/
public function __set($name, $value): void {
}
}
$a = new A();
$a->foo = "hello";
$a->bar = "hello"; // not a property',
],
'propertyOfTypeClassDocblock' => [
'<?php
namespace Bar;
class PropertyType {}
/**
* @property PropertyType $foo
*/
class A {
/** @param string $name */
public function __get($name): ?string {
if ($name === "foo") {
return "hello";
}
}
/**
* @param string $name
* @param mixed $value
*/
public function __set($name, $value): void {
}
}
$a = new A();
$a->foo = new PropertyType();',
],
'propertySealedDocblockDefinedPropertyFetch' => [
'<?php
namespace Bar;
/**
* @property string $foo
* @psalm-seal-properties
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
}
$a = new A();
echo $a->foo;',
],
'ignoreNullableReturn' => [
'<?php
class A {
/** @var int */
public $bar = 5;
public function foo(): void {}
}
/**
* @return ?A
* @psalm-ignore-nullable-return
*/
function makeA() {
return rand(0, 1) ? new A(): null;
}
function takeA(A $a): void { }
$a = makeA();
$a->foo();
$a->bar = 7;
takeA($a);',
],
'invalidDocblockParamSuppress' => [
'<?php
/**
* @param int $bar
* @psalm-suppress MismatchingDocblockParamType
*/
function fooFoo(array $bar): void {
}',
],
'differentDocblockParamClassSuppress' => [
'<?php
class A {}
/**
* @param B $bar
* @psalm-suppress MismatchingDocblockParamType
*/
function fooFoo(A $bar): void {
}',
],
'varDocblock' => [
'<?php
/** @var array<Exception> */
$a = [];
$a[0]->getMessage();',
],
'mixedDocblockParamTypeDefinedInParent' => [
'<?php
class A {
/** @param mixed $a */
public function foo($a): void {}
}
class B extends A {
public function foo($a): void {}
}',
],
'intDocblockParamTypeDefinedInParent' => [
'<?php
class A {
/** @param int $a */
public function foo($a): void {}
}
class B extends A {
public function foo($a): void {}
}',
],
'varSelf' => [
'<?php
class A
{
public function foo(): void {}
public function getMeAgain(): void {
/** @var self */
$me = $this;
$me->foo();
}
}',
],
'psalmVar' => [
'<?php
class A
{
/** @psalm-var array<int, string> */
public $foo = [];
public function updateFoo(): void {
$this->foo[5] = "hello";
}
}',
],
'psalmParam' => [
'<?php
function takesInt(int $a): void {}
/**
* @psalm-param array<int, string> $a
* @param string[] $a
*/
function foo(array $a): void {
foreach ($a as $key => $value) {
takesInt($key);
}
}',
],
'returnDocblock' => [
'<?php
function foo(int $i): int {
/** @var int */
return $i;
}',
],
'doubleVar' => [
'<?php
function foo() : array {
return ["hello" => new stdClass, "goodbye" => new stdClass];
}
$a = null;
$b = null;
/**
* @var string $key
* @var stdClass $value
*/
foreach (foo() as $key => $value) {
$a = $key;
$b = $value;
}',
'assertions' => [
'$a' => 'null|string',
'$b' => 'null|stdClass',
],
],
/**
* With a magic setter and no annotations specifying properties or types, we can
* set anything we want on any variable name. The magic setter is trusted to figure
* it out.
*/
'magicSetterUndefinedPropertyNoAnnotation' => [
'<?php
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
public function goodSet(): void {
$this->__set("foo", new stdClass());
}
}',
],
/**
* With a magic getter and no annotations specifying properties or types, we can
* get anything we want with any variable name. The magic getter is trusted to figure
* it out.
*/
'magicGetterUndefinedPropertyNoAnnotation' => [
'<?php
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
public function goodGet(): void {
echo $this->__get("foo");
}
}',
],
/**
* The property $foo is defined as a string with the `@property` annotation. We
* use the magic setter to set it to a string, so everything is cool.
*/
'magicSetterValidAssignmentType' => [
'<?php
/**
* @property string $foo
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
public function goodSet(): void {
$this->__set("foo", "value");
}
}',
],
'propertyDocblockAssignmentToMixed' => [
'<?php
/**
* @property string $foo
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
}
/** @param mixed $b */
function foo($b) : void {
$a = new A();
$a->__set("foo", $b);
}',
'assertions' => [],
'error_level' => ['MixedAssignment', 'MixedTypeCoercion'],
],
'arrayOfClassConstants' => [
'<?php
/**
* @param array<class-string> $arr
*/
function takesClassConstants(array $arr) : void {}
class A {}
class B {}
takesClassConstants([A::class, B::class]);',
],
'arrayOfStringClasses' => [
'<?php
/**
* @param array<class-string> $arr
*/
function takesClassConstants(array $arr) : void {}
class A {}
class B {}
takesClassConstants(["A", "B"]);',
'annotations' => [],
'error_levels' => ['TypeCoercion'],
],
'singleClassConstant' => [
'<?php
/**
* @param class-string $s
*/
function takesClassConstants(string $s) : void {}
class A {}
takesClassConstants(A::class);',
],
'singleClassConstantWithString' => [
'<?php
/**
* @param class-string $s
*/
function takesClassConstants(string $s) : void {}
class A {}
takesClassConstants("A");',
'annotations' => [],
'error_levels' => ['TypeCoercion'],
],
'returnClassConstant' => [
'<?php
class A {}
/**
* @return class-string
*/
function takesClassConstants() : string {
return A::class;
}',
],
'returnClassConstantAllowCoercion' => [
'<?php
class A {}
/**
* @return class-string
*/
function takesClassConstants() : string {
return "A";
}',
'annotations' => [],
'error_levels' => ['LessSpecificReturnStatement', 'MoreSpecificReturnType'],
],
'returnClassConstantArray' => [
'<?php
class A {}
class B {}
/**
* @return array<class-string>
*/
function takesClassConstants() : array {
return [A::class, B::class];
}',
],
'returnClassConstantArrayAllowCoercion' => [
'<?php
class A {}
class B {}
/**
* @return array<class-string>
*/
function takesClassConstants() : array {
return ["A", "B"];
}',
'annotations' => [],
'error_levels' => ['LessSpecificReturnStatement', 'MoreSpecificReturnType'],
],
'allowOptionalParamsToBeEmptyArray' => [
'<?php
/** @param array{b?: int, c?: string} $a */
function foo(array $a = []) : void {}',
],
'allowEmptyVarAnnotation' => [
'<?php
/**
* @param $x
*/
function example(array $x) : void {}',
],
];
}
/**
* @return array
*/
public function providerFileCheckerInvalidCodeParse()
{
return [
'invalidReturn' => [
'<?php
interface I {
/**
* @return $thus
*/
public static function barBar();
}',
'error_message' => 'MissingDocblockType',
],
'invalidReturnClass' => [
'<?php
interface I {
/**
* @return 1
*/
public static function barBar();
}',
'error_message' => 'InvalidDocblock',
],
'invalidReturnBrackets' => [
'<?php
interface I {
/**
* @return []
*/
public static function barBar();
}',
'error_message' => 'InvalidDocblock',
],
'invalidPropertyClass' => [
'<?php
class A {
/**
* @var 1
*/
public $bar;
}',
'error_message' => 'InvalidDocblock',
],
'invalidPropertyBrackets' => [
'<?php
class A {
/**
* @var []
*/
public $bar;
}',
'error_message' => 'InvalidDocblock',
],
'invalidReturnClassWithComma' => [
'<?php
interface I {
/**
* @return 1,
*/
public static function barBar();
}',
'error_message' => 'InvalidDocblock',
],
'returnClassWithComma' => [
'<?php
interface I {
/**
* @return a,
*/
public static function barBar();
}',
'error_message' => 'InvalidDocblock',
],
'deprecatedMethodWithCall' => [
'<?php
class Foo {
/**
* @deprecated
*/
public static function barBar(): void {
}
}
Foo::barBar();',
'error_message' => 'DeprecatedMethod',
],
'deprecatedClassWithStaticCall' => [
'<?php
/**
* @deprecated
*/
class Foo {
public static function barBar(): void {
}
}
Foo::barBar();',
'error_message' => 'DeprecatedClass',
],
'deprecatedClassWithNew' => [
'<?php
/**
* @deprecated
*/
class Foo { }
$a = new Foo();',
'error_message' => 'DeprecatedClass',
],
'deprecatedClassWithExtends' => [
'<?php
/**
* @deprecated
*/
class Foo { }
class Bar extends Foo {}',
'error_message' => 'DeprecatedClass',
],
'deprecatedPropertyGet' => [
'<?php
class A{
/**
* @deprecated
* @var ?int
*/
public $foo;
}
echo (new A)->foo;',
'error_message' => 'DeprecatedProperty',
],
'deprecatedPropertySet' => [
'<?php
class A{
/**
* @deprecated
* @var ?int
*/
public $foo;
}
$a = new A;
$a->foo = 5;',
'error_message' => 'DeprecatedProperty',
],
'missingParamType' => [
'<?php
/**
* @param string $bar
*/
function fooBar(): void {
}
fooBar("hello");',
'error_message' => 'TooManyArguments - src/somefile.php:8 - Too many arguments for method fooBar '
. '- expecting 0 but saw 1',
],
'missingParamVar' => [
'<?php
/**
* @param string
*/
function fooBar(): void {
}',
'error_message' => 'InvalidDocblock - src/somefile.php:5 - Badly-formatted @param',
],
'invalidDocblockReturn' => [
'<?php
/**
* @return string
*/
function fooFoo(): int {
return 5;
}',
'error_message' => 'MismatchingDocblockReturnType',
],
'propertyDocblockInvalidAssignment' => [
'<?php
/**
* @property string $foo
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
}
$a = new A();
$a->foo = 5;',
'error_message' => 'InvalidPropertyAssignmentValue',
],
'propertyInvalidClassAssignment' => [
'<?php
namespace Bar;
class PropertyType {}
class SomeOtherPropertyType {}
/**
* @property PropertyType $foo
*/
class A {
/** @param string $name */
public function __get($name): ?string {
if ($name === "foo") {
return "hello";
}
}
/**
* @param string $name
* @param mixed $value
*/
public function __set($name, $value): void {
}
}
$a = new A();
$a->foo = new SomeOtherPropertyType();',
'error_message' => 'InvalidPropertyAssignmentValue - src/somefile.php:27 - $a->foo with declared type'
. ' \'Bar\PropertyType\' cannot',
],
'propertyWriteDocblockInvalidAssignment' => [
'<?php
/**
* @property-write string $foo
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
}
$a = new A();
$a->foo = 5;',
'error_message' => 'InvalidPropertyAssignmentValue',
],
'propertySealedDocblockUndefinedPropertyAssignment' => [
'<?php
/**
* @property string $foo
* @psalm-seal-properties
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
}
$a = new A();
$a->bar = 5;',
'error_message' => 'UndefinedPropertyAssignment',
],
'propertySealedDocblockDefinedPropertyAssignment' => [
'<?php
/**
* @property string $foo
* @psalm-seal-properties
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
}
$a = new A();
$a->foo = 5;',
'error_message' => 'InvalidPropertyAssignmentValue',
],
'propertyReadInvalidFetch' => [
'<?php
/**
* @property-read string $foo
*/
class A {
/** @return mixed */
public function __get(string $name) {
if ($name === "foo") {
return "hello";
}
}
}
$a = new A();
echo count($a->foo);',
'error_message' => 'InvalidArgument',
],
'propertySealedDocblockUndefinedPropertyFetch' => [
'<?php
/**
* @property string $foo
* @psalm-seal-properties
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
}
$a = new A();
echo $a->bar;',
'error_message' => 'UndefinedPropertyFetch',
],
'noStringParamType' => [
'<?php
function fooFoo($a): void {
echo substr($a, 4, 2);
}',
'error_message' => 'MissingParamType - src/somefile.php:2 - Parameter $a has no provided type,'
. ' should be string',
'error_levels' => ['MixedArgument'],
],
'noParamTypeButConcat' => [
'<?php
function fooFoo($a): void {
echo $a . "foo";
}',
'error_message' => 'MissingParamType - src/somefile.php:2 - Parameter $a has no provided type,'
. ' should be string',
'error_levels' => ['MixedOperand'],
],
'noParamTypeButAddition' => [
'<?php
function fooFoo($a): void {
echo $a + 5;
}',
'error_message' => 'MissingParamType - src/somefile.php:2 - Parameter $a has no provided type,'
. ' should be int|float',
'error_levels' => ['MixedOperand', 'MixedArgument'],
],
'noParamTypeButDivision' => [
'<?php
function fooFoo($a): void {
echo $a / 5;
}',
'error_message' => 'MissingParamType - src/somefile.php:2 - Parameter $a has no provided type,'
. ' should be int|float',
'error_levels' => ['MixedOperand', 'MixedArgument'],
],
'noParamTypeButTemplatedString' => [
'<?php
function fooFoo($a): void {
echo "$a";
}',
'error_message' => 'MissingParamType - src/somefile.php:2 - Parameter $a has no provided type,'
. ' should be string',
'error_levels' => ['MixedOperand'],
],
'noStringIntParamType' => [
'<?php
function fooFoo($a): void {
if (is_string($a)) {
echo substr($a, 4, 2);
} else {
echo substr("hello", $a, 2);
}
}',
'error_message' => 'MissingParamType - src/somefile.php:2 - Parameter $a has no provided type,'
. ' should be int|string',
'error_levels' => ['MixedArgument'],
],
'intParamTypeDefinedInParent' => [
'<?php
class A {
public function foo(int $a): void {}
}
class B extends A {
public function foo($a): void {}
}',
'error_message' => 'MissingParamType',
'error_levels' => ['MethodSignatureMismatch'],
],
'alreadyHasCheck' => [
'<?php
function takesString(string $s): void {}
function shouldTakeString($s): void {
if (is_string($s)) takesString($s);
}',
'error_message' => 'MissingParamType - src/somefile.php:4 - Parameter $s has no provided type,'
. ' could not infer',
'error_levels' => ['MixedArgument'],
],
'isSetBeforeInferrence' => [
'input' => '<?php
function takesString(string $s): void {}
/** @return mixed */
function returnsMixed() {}
function shouldTakeString($s): void {
$s = returnsMixed();
takesString($s);
}',
'error_message' => 'MissingParamType - src/somefile.php:7 - Parameter $s has no provided type,'
. ' could not infer',
'error_levels' => ['MixedArgument', 'InvalidReturnType', 'MixedAssignment'],
],
'psalmInvalidVar' => [
'<?php
class A
{
/** @psalm-var array<int, string> */
public $foo = [];
public function updateFoo(): void {
$this->foo["boof"] = "hello";
}
}',
'error_message' => 'InvalidPropertyAssignmentValue',
],
'incorrectDocblockOrder' => [
'<?php
class MyClass {
/**
* Comment
* @var $fooPropTypo string
*/
public $fooProp = "/tmp/file.txt";
}',
'error_message' => 'MissingDocblockType',
],
'badlyFormattedVar' => [
'<?php
/**
* @return string[]
*/
function returns_strings() {
/** @var array(string) $result */
$result = ["example"];
return $result;
}',
'error_message' => 'InvalidDocblock',
],
'badlyWrittenVar' => [
'<?php
/** @param mixed $x */
function myvalue($x): void {
/** @var $myVar MyNS\OtherClass */
$myVar = $x->conn()->method();
$myVar->otherMethod();
}',
'error_message' => 'MissingDocblockType',
],
'dontOverrideSameType' => [
'<?php
class A {
/** @return ?int */
public function foo(): ?int {
if (rand(0, 1)) return 5;
}
}',
'error_message' => 'InvalidReturnType',
],
'alwaysCheckReturnType' => [
'<?php
class A {}
/**
* @return A
* @psalm-suppress MismatchingDocblockReturnType
*/
function foo(): B {
return new A;
}',
'error_message' => 'UndefinedClass',
],
'preventBadBoolean' => [
'<?php
function foo(): boolean {
return true;
}',
'error_message' => 'UndefinedClass',
],
'preventBadObjectLikeFormat' => [
'<?php
/**
* @param array{} $arr
*/
function bar(array $arr): void {}',
'error_message' => 'InvalidDocblock',
],
'noPhpStormAnnotationsThankYou' => [
'<?php
/** @param ArrayIterator|string[] $i */
function takesArrayIteratorOfString(ArrayIterator $i): void {}',
'error_message' => 'MismatchingDocblockParamType',
],
'noPhpStormAnnotationsPossiblyInvalid' => [
'<?php
/** @param ArrayIterator|string[] $i */
function takesArrayIteratorOfString($i): void {
$s = $i->offsetGet("a");
}',
'error_message' => 'PossiblyInvalidMethodCall',
],
/**
* The property $foo is not defined on the object, but accessed with the magic setter.
* This is an error because `@psalm-seal-properties` is specified on the class block.
*/
'magicSetterUndefinedProperty' => [
'<?php
/**
* @psalm-seal-properties
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
public function badSet(): void {
$this->__set("foo", "value");
}
}',
'error_message' => 'UndefinedThisPropertyAssignment',
],
/**
* The property $foo is not defined on the object, but accessed with the magic getter.
* This is an error because `@psalm-seal-properties` is specified on the class block.
*/
'magicGetterUndefinedProperty' => [
'<?php
/**
* @psalm-seal-properties
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
public function badGet(): void {
$this->__get("foo");
}
}',
'error_message' => 'UndefinedThisPropertyFetch',
],
/**
* The property $foo is defined as a string with the `@property` annotation, but
* the magic setter is used to set it to an object.
*/
'magicSetterInvalidAssignmentType' => [
'<?php
/**
* @property string $foo
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
public function badSet(): void {
$this->__set("foo", new stdClass());
}
}',
'error_message' => 'InvalidPropertyAssignmentValue',
],
'propertyDocblockAssignmentToMixed' => [
'<?php
/**
* @property string $foo
*/
class A {
public function __get(string $name): ?string {
if ($name === "foo") {
return "hello";
}
}
/** @param mixed $value */
public function __set(string $name, $value): void {
}
}
/** @param mixed $b */
function foo($b) : void {
$a = new A();
$a->__set("foo", $b);
}',
'error_message' => 'MixedTypeCoercion',
'error_levels' => ['MixedAssignment'],
],
'arrayOfStringClasses' => [
'<?php
/**
* @param array<class-string> $arr
*/
function takesClassConstants(array $arr) : void {}
class A {}
class B {}
takesClassConstants(["A", "B"]);',
'error_message' => 'TypeCoercion',
],
'arrayOfNonExistentStringClasses' => [
'<?php
/**
* @param array<class-string> $arr
*/
function takesClassConstants(array $arr) : void {}
takesClassConstants(["A", "B"]);',
'error_message' => 'UndefinedClass',
'error_levels' => ['TypeCoercion'],
],
'singleClassConstantWithInvalidDocblock' => [
'<?php
/**
* @param clas-string $s
*/
function takesClassConstants(string $s) : void {}',
'error_message' => 'InvalidDocblock',
],
'returnClassConstantDisallowCoercion' => [
'<?php
class A {}
/**
* @return class-string
*/
function takesClassConstants() : string {
return "A";
}',
'error_message' => 'LessSpecificReturnStatement',
],
'returnClassConstantArrayDisallowCoercion' => [
'<?php
class A {}
/**
* @return array<class-string>
*/
function takesClassConstants() : array {
return ["A", "B"];
}',
'error_message' => 'LessSpecificReturnStatement',
],
'returnClassConstantArrayAllowCoercionWithUndefinedClass' => [
'<?php
class A {}
/**
* @return array<class-string>
*/
function takesClassConstants() : array {
return ["A", "B"];
}',
'error_message' => 'UndefinedClass',
'error_levels' => ['LessSpecificReturnStatement', 'MoreSpecificReturnType'],
],
'badStaticVar' => [
'<?php
/** @var static */
$a = new stdClass();',
'error_message' => 'InvalidDocblock',
],
'doubleBar' => [
'<?php
/** @param PDO||Closure|numeric $a */
function foo($a) : void {}',
'error_message' => 'InvalidDocblock',
],
];
}
}