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psalm/tests/FileManipulation/UnusedCodeManipulationTest.php

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<?php
namespace Psalm\Tests\FileManipulation;
class UnusedCodeManipulationTest extends FileManipulationTestCase
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{
/**
* @return array<string,array{string,string,string,string[],bool}>
*/
public function providerValidCodeParse(): array
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{
return [
'removePossiblyUnusedMethod' => [
'<?php
class A {
public function foo() : void {}
public function bar() : void {}
}
(new A)->foo();',
'<?php
class A {
public function foo() : void {}
}
(new A)->foo();',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'removePossiblyUnusedMethodInMiddle' => [
'<?php
class A {
public function foo() : void {}
public function bar() : void {}
public function bat() : void {}
}
(new A)->foo();
(new A)->bat();',
'<?php
class A {
public function foo() : void {}
public function bat() : void {}
}
(new A)->foo();
(new A)->bat();',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'removeAllPossiblyUnusedMethods' => [
'<?php
class A {
public function foo() : void {}
public function bar() : void {}
public function bat() : void {}
}
new A();',
'<?php
class A {
}
new A();',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'dontRemovePossiblyUnusedMethodWithMixedUse' => [
'<?php
class A {
public function foo() : void {}
}
function foo($a) {
$a->foo();
}',
'<?php
class A {
public function foo() : void {}
}
function foo($a) {
$a->foo();
}',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'dontRemovePossiblyUnusedMethodWithSuppression' => [
'<?php
class A {
public function foo() : void {}
/** @psalm-suppress PossiblyUnusedMethod */
public function bar() : void {}
}
(new A)->foo();',
'<?php
class A {
public function foo() : void {}
/** @psalm-suppress PossiblyUnusedMethod */
public function bar() : void {}
}
(new A)->foo();',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'removeUnusedMethod' => [
'<?php
class A {
public function foo() : void {}
private function bar() : void {}
}
(new A)->foo();',
'<?php
class A {
public function foo() : void {}
}
(new A)->foo();',
'7.1',
['UnusedMethod'],
true,
],
'removeUnusedMethodAtBeginning' => [
'<?php
class A {
private function foo() : void {}
public function bar() : void {}
}
(new A)->bar();',
'<?php
class A {
public function bar() : void {}
}
(new A)->bar();',
'7.1',
['UnusedMethod'],
true,
],
'removePossiblyUnusedMethodWithDocblock' => [
'<?php
class A {
public function foo() : void {}
/** @return void */
public function bar() : void {}
}
(new A)->foo();',
'<?php
class A {
public function foo() : void {}
}
(new A)->foo();',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'removeUnusedMethodWithDocblock' => [
'<?php
class A {
public function foo() : void {}
/** @return void */
private function bar() : void {}
}
(new A)->foo();',
'<?php
class A {
public function foo() : void {}
}
(new A)->foo();',
'7.1',
['UnusedMethod'],
true,
],
'dontRemovePossiblyUnusedMethodWithVariableCall' => [
'<?php
class A {
public function foo() : void {}
}
function foo(A $a, string $var) {
echo $a->$var();
}',
'<?php
class A {
public function foo() : void {}
}
function foo(A $a, string $var) {
echo $a->$var();
}',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'dontRemovePossiblyUnusedMethodWithVariableCallableCall' => [
'<?php
class A {
public function foo() : void {}
}
function takeCallable(callable $c) : void {}
function foo(A $a, string $var) {
takeCallable([$a, $var]);
}',
'<?php
class A {
public function foo() : void {}
}
function takeCallable(callable $c) : void {}
function foo(A $a, string $var) {
takeCallable([$a, $var]);
}',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'dontRemovePossiblyUnusedMethodWithCallUserFuncCall' => [
'<?php
class A {
public function foo() : void {}
}
function foo(A $a, string $var) {
call_user_func([$a, $var]);
}',
'<?php
class A {
public function foo() : void {}
}
function foo(A $a, string $var) {
call_user_func([$a, $var]);
}',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'dontRemovePossiblyUnusedMethodWithVariableCallableLhsCall' => [
'<?php
class A {
public function foo() : void {}
public function bar() : void {}
}
function takeCallable(callable $c) : void {}
function foo($a) {
takeCallable([$a, "foo"]);
}
foo(new A);',
'<?php
class A {
public function foo() : void {}
}
function takeCallable(callable $c) : void {}
function foo($a) {
takeCallable([$a, "foo"]);
}
foo(new A);',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'dontRemovePossiblyUnusedMethodWithVariableCallOnParent' => [
'<?php
class A { }
class B extends A {
public function foo() : void {}
}
function foo(A $a, string $var) {
echo $a->$var();
}
foo(new B);',
'<?php
class A { }
class B extends A {
public function foo() : void {}
}
function foo(A $a, string $var) {
echo $a->$var();
}
foo(new B);',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'removePossiblyUnusedMethodWithVariableCall' => [
'<?php
class A {
public function foo() : void {}
}
function foo(A $a, string $var) {
/** @psalm-ignore-variable-method */
echo $a->$var();
}',
'<?php
class A {
}
function foo(A $a, string $var) {
/** @psalm-ignore-variable-method */
echo $a->$var();
}',
'7.1',
['PossiblyUnusedMethod'],
true,
],
'removePossiblyUnusedMethodAndMissingReturnType' => [
'<?php
class A {
public function foo() {}
}
new A();',
'<?php
class A {
}
new A();',
'7.1',
['PossiblyUnusedMethod', 'MissingReturnType'],
true,
],
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'removePossiblyUnusedPropertyWithDocblock' => [
'<?php
class A {
/** @var string */
public $foo = "hello";
/** @var string */
public $bar = "hello";
}
echo (new A)->foo;',
'<?php
class A {
/** @var string */
public $foo = "hello";
}
echo (new A)->foo;',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'dontRemovePossiblyUnusedPropertyWithMixedUse' => [
'<?php
class A {
public $foo = "hello";
}
function foo($a) {
echo $a->foo;
}',
'<?php
class A {
public $foo = "hello";
}
function foo($a) {
echo $a->foo;
}',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'dontRemovePossiblyUnusedPropertyWithSuppression' => [
'<?php
/** @psalm-suppress PossiblyUnusedProperty */
class A {
public $foo = "hello";
}',
'<?php
/** @psalm-suppress PossiblyUnusedProperty */
class A {
public $foo = "hello";
}',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'dontRemovePossiblyUnusedPropertyWithVariableFetch' => [
'<?php
class A {
public $foo = "hello";
}
function foo(A $a, string $var) {
echo $a->$var;
}',
'<?php
class A {
public $foo = "hello";
}
function foo(A $a, string $var) {
echo $a->$var;
}',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'removePossiblyUnusedPropertyWithVariableFetch' => [
'<?php
class A {
public $foo = "hello";
}
function foo(A $a, string $var) {
/** @psalm-ignore-variable-property */
echo $a->$var;
}',
'<?php
class A {
}
function foo(A $a, string $var) {
/** @psalm-ignore-variable-property */
echo $a->$var;
}',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'dontRemovePossiblyUnusedPropertyWithVariableFetchInParent' => [
'<?php
class A {
public function __set(string $k, $v) {
$this->$k = $v;
}
}
class B extends A {
public $foo = "hello";
}
(new B())->__set("foo", "bar");',
'<?php
class A {
public function __set(string $k, $v) {
$this->$k = $v;
}
}
class B extends A {
public $foo = "hello";
}
(new B())->__set("foo", "bar");',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'dontRemovePossiblyUnusedPropertyWithVariableOnParent' => [
'<?php
class A {}
class B extends A {
public $foo = "hello";
}
function foo(A $a, string $var) {
echo $a->$var;
}
foo(new A(), "foo");',
'<?php
class A {}
class B extends A {
public $foo = "hello";
}
function foo(A $a, string $var) {
echo $a->$var;
}
foo(new A(), "foo");',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'dontRemovePossiblyUnusedPropertyWithVariableFetchImplementedInterface' => [
'<?php
interface I {}
class A implements I {
public $foo = "hello";
}
function foo(I $i, string $var) {
echo $i->$var;
}
foo(new A(), "foo");',
'<?php
interface I {}
class A implements I {
public $foo = "hello";
}
function foo(I $i, string $var) {
echo $i->$var;
}
foo(new A(), "foo");',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'dontRemovePossiblyUnusedPropertyWithStaticVariableFetch' => [
'<?php
class A {
public static $foo = "hello";
}
function foo(string $var) {
echo A::$$var;
}',
'<?php
class A {
public static $foo = "hello";
}
function foo(string $var) {
echo A::$$var;
}',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'dontRemovePossiblyUnusedPropertyWithVariableAssignment' => [
'<?php
class A {
public $foo = "hello";
}
function foo(A $a, string $var) {
$a->$var = "hello";
}',
'<?php
class A {
public $foo = "hello";
}
function foo(A $a, string $var) {
$a->$var = "hello";
}',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'dontRemovePossiblyUnusedPropertyWithVariableAssignmentOnParent' => [
'<?php
class A {}
class B extends A {
public $foo = "hello";
}
function foo(A $a, string $var) {
$a->$var = "hello";
}
foo(new B);',
'<?php
class A {}
class B extends A {
public $foo = "hello";
}
function foo(A $a, string $var) {
$a->$var = "hello";
}
foo(new B);',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'dontRemovePossiblyUnusedPropertyWithStaticVariableAssignment' => [
'<?php
class A {
public static $foo = "hello";
}
function foo(string $var) {
A::$$var = "hello";
}',
'<?php
class A {
public static $foo = "hello";
}
function foo(string $var) {
A::$$var = "hello";
}',
'7.1',
['PossiblyUnusedProperty'],
true,
],
'removeUnusedPropertyWithDocblock' => [
'<?php
class A {
/** @var string */
public $foo = "hello";
/** @var string */
private $bar = "hello";
}
echo (new A)->foo;',
'<?php
class A {
/** @var string */
public $foo = "hello";
}
echo (new A)->foo;',
'7.1',
['UnusedProperty'],
true,
],
];
}
}