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Prevent incorrect template being passed to function

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This commit is contained in:
Brown 2019-06-24 10:54:03 -04:00
parent 16768e363c
commit 2a1ed6ca6a
2 changed files with 66 additions and 35 deletions
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16
src/Psalm/Internal/Analyzer/TypeAnalyzer.php
View File

@ -519,6 +519,17 @@ class TypeAnalyzer
);
}
if (!$intersection_container_type instanceof TTemplateParam
|| $intersection_input_type instanceof TTemplateParam
) {
if ($intersection_container_type instanceof TTemplateParam
&& $intersection_input_type instanceof TTemplateParam
) {
if ($intersection_container_type->param_name !== $intersection_input_type->param_name) {
return false;
}
}
if ($intersection_container_type_lower === $intersection_input_type_lower) {
continue 2;
}
@ -560,6 +571,7 @@ class TypeAnalyzer
) {
continue 2;
}
}
if (ExpressionAnalyzer::isMock($intersection_input_type_lower)) {
return true;
@ -690,6 +702,10 @@ class TypeAnalyzer
}
if ($container_type_part instanceof TTemplateParam && $input_type_part instanceof TTemplateParam) {
if ($container_type_part->param_name !== $input_type_part->param_name) {
return false;
}
return self::isContainedBy(
$codebase,
$input_type_part->as,

17
tests/Template/TemplateTest.php
View File

@ -1033,7 +1033,7 @@ class TemplateTest extends TestCase
class I {
/**
* @template T as Foo
* @param class-string $class
* @param class-string<T> $class
* @template-typeof T $class
* @return T|null
*/
@ -3490,6 +3490,21 @@ class TemplateTest extends TestCase
}',
'error_message' => 'InvalidReturnStatement'
],
'preventWrongTemplateBeingPassed' => [
'<?php
/**
* @template T of DateTime
* @template T2 of DateTime
* @param callable(T): T $parameter
* @param T2 $value
* @return T
*/
function foo(callable $parameter, $value)
{
return $parameter($value);
}',
'error_message' => 'InvalidArgument'
],
];
}
}