mirror of
https://github.com/danog/psalm.git
synced 2024-11-27 12:55:26 +01:00
53afd2857d
* Split unit test over multiple jobs in GitHub Actions, lowering the total run time * rename FileManipulationTest to FileManipulationTestCase so it does not run as a standalone Test
670 lines
20 KiB
PHP
670 lines
20 KiB
PHP
<?php
|
|
namespace Psalm\Tests\FileManipulation;
|
|
|
|
class UnusedVariableManipulationTest extends FileManipulationTestCase
|
|
{
|
|
/**
|
|
* @return array<string,array{string,string,string,string[],bool}>
|
|
*/
|
|
public function providerValidCodeParse(): array
|
|
{
|
|
return [
|
|
'removeUnusedVariableSimple' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = 5;
|
|
$b = "hello";
|
|
echo $b;
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$b = "hello";
|
|
echo $b;
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
'removeUnusedVariableFromTry' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
try {
|
|
$c = false;
|
|
$d = null;
|
|
} catch (Exception $e) {}
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
try {
|
|
} catch (Exception $e) {}
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
'removeUnusedVariableAndFunctionCall' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = substr("wonderful", 2);
|
|
$b = "hello";
|
|
echo $b;
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$b = "hello";
|
|
echo $b;
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVariableTwoVar' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = "a";
|
|
$b = "b";
|
|
$c = "c";
|
|
echo $b;
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$b = "b";
|
|
echo $b;
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVariableTwoVarFunctionCalls' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = substr("hello world", 4);
|
|
$b = "b";
|
|
$c = file_get_contents("foo.php");
|
|
echo $b;
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$b = "b";
|
|
file_get_contents("foo.php");
|
|
echo $b;
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVariableClassMethod' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a =bar();
|
|
$b = "b";
|
|
echo $b;
|
|
}
|
|
|
|
public function bar() : void {
|
|
;
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
bar();
|
|
$b = "b";
|
|
echo $b;
|
|
}
|
|
|
|
public function bar() : void {
|
|
;
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVariableFunctionCallAndStrLiteral' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = "hello".bar();
|
|
$b = "world";
|
|
echo $b;
|
|
}
|
|
|
|
public function bar() : string {
|
|
return "bar";
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
"hello".bar();
|
|
$b = "world";
|
|
echo $b;
|
|
}
|
|
|
|
public function bar() : string {
|
|
return "bar";
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVariableChainAssignment' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = $b = $c = $d = $e = "";
|
|
echo $a.$b.$d.$e;
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = $b = $d = $e = "";
|
|
echo $a.$b.$d.$e;
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeTwoUnusedVariableChainAssignment' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = $b = $c = $d = $e = "hello";
|
|
echo $a.$d.$e;
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = $d = $e = "hello";
|
|
echo $a.$d.$e;
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeAllUnusedVariableChainAssignment' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = $b = $c = $d = $e = "hello";
|
|
echo "hello";
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
echo "hello";
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedArrayAccess' => [
|
|
'<?php
|
|
function foo($b) : void {
|
|
$a = $b[1];
|
|
}',
|
|
'<?php
|
|
function foo($b) : void {
|
|
$b[1];
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeEmptyArrayAssign' => [
|
|
'<?php
|
|
function foo($b) : void {
|
|
$a = [];
|
|
echo "foo";
|
|
}',
|
|
'<?php
|
|
function foo($b) : void {
|
|
echo "foo";
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedArrayAssignInt' => [
|
|
'<?php
|
|
function foo($b) : void {
|
|
$a = [5];
|
|
echo "foo";
|
|
}',
|
|
'<?php
|
|
function foo($b) : void {
|
|
echo "foo";
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedArrayAssignCallable' => [
|
|
'<?php
|
|
function foo($b) : void {
|
|
$a = [foo()];
|
|
echo "foo";
|
|
}',
|
|
'<?php
|
|
function foo($b) : void {
|
|
[foo()];
|
|
echo "foo";
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVarShellExec' => [
|
|
'<?php
|
|
function foo() : void {
|
|
$a = shell_exec("ls");
|
|
}',
|
|
'<?php
|
|
function foo() : void {
|
|
shell_exec("ls");
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVarExit' => [
|
|
'<?php
|
|
function foo() : void {
|
|
$a = exit(1);
|
|
}',
|
|
'<?php
|
|
function foo() : void {
|
|
exit(1);
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVarTwoPass' => [
|
|
'<?php
|
|
function foo() : void {
|
|
$a = 5;
|
|
$a += 1;
|
|
}',
|
|
'<?php
|
|
function foo() : void {
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVarAssignByRef' => [
|
|
'<?php
|
|
function foo() : void {
|
|
$a = 5;
|
|
$b = &$a;
|
|
echo $a;
|
|
}',
|
|
'<?php
|
|
function foo() : void {
|
|
$a = 5;
|
|
$b = &$a;
|
|
echo $a;
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVarAssignByRefPartial' => [
|
|
'<?php
|
|
function foo() : void {
|
|
$a = [1, 2, 3];
|
|
$b = &$a[1];
|
|
print_r($a);
|
|
}',
|
|
'<?php
|
|
function foo() : void {
|
|
$a = [1, 2, 3];
|
|
$b = &$a[1];
|
|
print_r($a);
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVarAssignByRefPartialWithSpaceAfter' => [
|
|
'<?php
|
|
function foo() : void {
|
|
$a = [1, 2, 3];
|
|
$b = & $a[1];
|
|
print_r($a);
|
|
}',
|
|
'<?php
|
|
function foo() : void {
|
|
$a = [1, 2, 3];
|
|
$b = & $a[1];
|
|
print_r($a);
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedVarNewObject' => [
|
|
'<?php
|
|
class B {}
|
|
|
|
function foo() : void {
|
|
$a = 5;
|
|
$b = new B();
|
|
echo $a;
|
|
}',
|
|
'<?php
|
|
class B {}
|
|
|
|
function foo() : void {
|
|
$a = 5;
|
|
new B();
|
|
echo $a;
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeUnusedChainMixedAssign' => [
|
|
'<?php
|
|
function foo() : void {
|
|
$a = 5;
|
|
$b = 6;
|
|
$c = $b += $a -= intval("4");
|
|
echo "foo";
|
|
}',
|
|
'<?php
|
|
function foo() : void {
|
|
echo "foo";
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
'removeUnusedUnchainedAssign' => [
|
|
'<?php
|
|
function foo() : void {
|
|
$a = 5;
|
|
$b = 6;
|
|
$a -= intval("4");
|
|
$b += $a;
|
|
$c = $b;
|
|
echo "foo";
|
|
}',
|
|
'<?php
|
|
function foo() : void {
|
|
echo "foo";
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
'removeUnusedVariableBinaryOp' => [
|
|
'<?php
|
|
function foo() : void {
|
|
$a = 5;
|
|
$b = 6;
|
|
$c = $a + $b;
|
|
echo "foo";
|
|
}',
|
|
'<?php
|
|
function foo() : void {
|
|
echo "foo";
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'dontremoveUnusedVariableFor' => [
|
|
'<?php
|
|
function foo($b) : void {
|
|
for($i = 5; $j<5; $j++){
|
|
echo "abc";
|
|
}
|
|
}',
|
|
'<?php
|
|
function foo($b) : void {
|
|
for($i = 5; $j<5; $j++){
|
|
echo "abc";
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'dontremoveUnusedVariableWhile' => [
|
|
'<?php
|
|
function foo($b) : void {
|
|
while($i=5){
|
|
echo "abc";
|
|
}
|
|
}',
|
|
'<?php
|
|
function foo($b) : void {
|
|
while($i=5){
|
|
echo "abc";
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'dontRemoveUnusedVariableInsideIf' => [
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = "hello";
|
|
if($b = 5) {
|
|
echo $a;
|
|
}
|
|
}
|
|
}',
|
|
'<?php
|
|
class A {
|
|
public function foo() : void {
|
|
$a = "hello";
|
|
if($b = 5) {
|
|
echo $a;
|
|
}
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'donRemoveSuppressedUnusedVariable' => [
|
|
'<?php
|
|
/** @psalm-suppress UnusedVariable */
|
|
function foo() : void {
|
|
$a = 5;
|
|
$b = "hello";
|
|
echo $b;
|
|
}',
|
|
'<?php
|
|
/** @psalm-suppress UnusedVariable */
|
|
function foo() : void {
|
|
$a = 5;
|
|
$b = "hello";
|
|
echo $b;
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
|
|
'removeLongUnusedAssignment' => [
|
|
'<?php
|
|
/**
|
|
* @psalm-external-mutation-free
|
|
*/
|
|
class A {
|
|
private string $foo;
|
|
|
|
public function __construct(string $foo) {
|
|
$this->foo = $foo;
|
|
}
|
|
|
|
public function getFoo() : void {
|
|
return "abular" . $this->foo;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @psalm-pure
|
|
*/
|
|
function makeA(string $s) : A {
|
|
return new A($s);
|
|
}
|
|
|
|
function foo() : void {
|
|
$a = makeA("hello")->getFoo();
|
|
}',
|
|
'<?php
|
|
/**
|
|
* @psalm-external-mutation-free
|
|
*/
|
|
class A {
|
|
private string $foo;
|
|
|
|
public function __construct(string $foo) {
|
|
$this->foo = $foo;
|
|
}
|
|
|
|
public function getFoo() : void {
|
|
return "abular" . $this->foo;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @psalm-pure
|
|
*/
|
|
function makeA(string $s) : A {
|
|
return new A($s);
|
|
}
|
|
|
|
function foo() : void {
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
'dontRemoveUsedToStringCall' => [
|
|
'<?php
|
|
class S {
|
|
/**
|
|
* @throws Exception
|
|
*/
|
|
public function __toString() {
|
|
if(rand(0,1)){
|
|
throw new exception();
|
|
}
|
|
return "";
|
|
}
|
|
}
|
|
|
|
function foo(S $a) {
|
|
try {
|
|
$b = (string) $a;
|
|
} catch(Exception $e){
|
|
// this class is not stringable
|
|
}
|
|
}',
|
|
'<?php
|
|
class S {
|
|
/**
|
|
* @throws Exception
|
|
*/
|
|
public function __toString() {
|
|
if(rand(0,1)){
|
|
throw new exception();
|
|
}
|
|
return "";
|
|
}
|
|
}
|
|
|
|
function foo(S $a) {
|
|
try {
|
|
(string) $a;
|
|
} catch(Exception $e){
|
|
// this class is not stringable
|
|
}
|
|
}',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
'dontRemoveUnusedClosureUse' => [
|
|
'<?php
|
|
$b = 5;
|
|
echo $b;
|
|
$a = function() use ($b) : void {
|
|
echo 4;
|
|
};
|
|
$a();',
|
|
'<?php
|
|
$b = 5;
|
|
echo $b;
|
|
$a = function() use ($b) : void {
|
|
echo 4;
|
|
};
|
|
$a();',
|
|
'7.1',
|
|
['UnusedVariable'],
|
|
true,
|
|
],
|
|
];
|
|
}
|
|
}
|