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psalm/tests/FileManipulation/PureAnnotationAdditionTest.php

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<?php
namespace Psalm\Tests\FileManipulation;
class PureAnnotationAdditionTest extends FileManipulationTestCase
{
/**
* @return array<string,array{string,string,string,string[],bool}>
*/
public function providerValidCodeParse(): array
{
return [
'addPureAnnotationToFunction' => [
'<?php
function foo(string $s): string {
return $s;
}',
'<?php
/**
* @psalm-pure
*/
function foo(string $s): string {
return $s;
}',
'7.4',
['MissingPureAnnotation'],
true,
],
'addPureAnnotationToFunctionWithExistingDocblock' => [
'<?php
/**
* @return string
*/
function foo(string $s) {
return $s;
}',
'<?php
/**
* @return string
*
* @psalm-pure
*/
function foo(string $s) {
return $s;
}',
'7.4',
['MissingPureAnnotation'],
true,
],
'dontAddPureAnnotationToImpureFunction' => [
'<?php
function foo(string $s): string {
echo $s;
return $s;
}',
'<?php
function foo(string $s): string {
echo $s;
return $s;
}',
'7.4',
['MissingPureAnnotation'],
true,
],
'dontAddPureAnnotationToMutationFreeMethod' => [
'<?php
class A {
public string $foo = "hello";
public function getFoo() : string {
return $this->foo;
}
}',
'<?php
class A {
public string $foo = "hello";
public function getFoo() : string {
return $this->foo;
}
}',
'7.4',
['MissingPureAnnotation'],
true,
],
'dontAddPureAnnotationToFunctionWithImpureCall' => [
'<?php
function foo(string $s): string {
if (file_exists($s)) {
return "";
}
return $s;
}',
'<?php
function foo(string $s): string {
if (file_exists($s)) {
return "";
}
return $s;
}',
'7.4',
['MissingPureAnnotation'],
true,
],
'dontAddPureAnnotationToFunctionWithImpureClosure' => [
'<?php
/** @param list<string> $arr */
function foo(array $arr): array {
return array_map($arr, function ($s) { echo $s; return $s;});
}',
'<?php
/** @param list<string> $arr */
function foo(array $arr): array {
return array_map($arr, function ($s) { echo $s; return $s;});
}',
'7.4',
['MissingPureAnnotation'],
true,
],
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'dontAddWhenReferencingThis' => [
'<?php
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abstract class A {
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public int $a = 5;
public function foo() : self {
return $this;
}
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}
class B extends A {}',
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'<?php
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abstract class A {
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public int $a = 5;
public function foo() : self {
return $this;
}
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}
class B extends A {}',
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'7.4',
['MissingPureAnnotation'],
true,
],
'dontAddInChildMethod' => [
'<?php
class A {
public int $a = 5;
public function foo(string $s) : string {
return $string . $this->a;
}
}
class B extends A {
public function foo(string $s) : string {
return $string;
}
}',
'<?php
class A {
public int $a = 5;
public function foo(string $s) : string {
return $string . $this->a;
}
}
class B extends A {
public function foo(string $s) : string {
return $string;
}
}',
'7.4',
['MissingPureAnnotation'],
true,
],
'doAddInOtherMethod' => [
'<?php
class A {
public int $a = 5;
public function foo(string $s) : string {
return $string . $this->a;
}
}
class B extends A {
public function bar(string $s) : string {
return $string;
}
}',
'<?php
class A {
public int $a = 5;
public function foo(string $s) : string {
return $string . $this->a;
}
}
class B extends A {
/**
* @psalm-pure
*/
public function bar(string $s) : string {
return $string;
}
}',
'7.4',
['MissingPureAnnotation'],
true,
],
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'dontAddPureIfCallableNotPure' => [
'<?php
function pure(callable $callable): string{
return $callable();
}',
'<?php
function pure(callable $callable): string{
return $callable();
}',
'7.4',
['MissingPureAnnotation'],
true,
],
];
}
}