add more tests for InvalidPartOfEncapsedStringRule

Author: schlndh

tests/PHPStan/Rules/Cast/InvalidPartOfEncapsedStringRuleTest.php

@@ -37,7 +37,19 @@ public function testRule(): void
 		$this->analyse([__DIR__ . '/data/invalid-encapsed-part.php'], [
 			[
 				'Part $std (stdClass) of encapsed string cannot be cast to string.',
-				8,
+				26,
+			],
+			[
+				'Part $array (array) of encapsed string cannot be cast to string.',
+				30,
+			],
+			[
+				'Part $std (stdClass|string) of encapsed string cannot be cast to string.',
+				56,
+			],
+			[
+				'Part $array (array|string) of encapsed string cannot be cast to string.',
+				60,
 			],
 		]);
 	}
@@ -53,4 +65,23 @@ public function testRuleWithNullsafeVariant(): void
 		]);
 	}
 
+	#[RequiresPhp('>= 8.1')]
+	public function testRuleWithEnum(): void
+	{
+		$this->analyse([__DIR__ . '/data/invalid-encapsed-part-enum.php'], [
+			[
+				'Part $unitEnum (InvalidEncapsedPartEnum\\FooUnitEnum) of encapsed string cannot be cast to string.',
+				21,
+			],
+			[
+				'Part $intEnum (InvalidEncapsedPartEnum\\IntEnum) of encapsed string cannot be cast to string.',
+				22,
+			],
+			[
+				'Part $stringEnum (InvalidEncapsedPartEnum\\StringEnum) of encapsed string cannot be cast to string.',
+				23,
+			],
+		]);
+	}
+
 }

tests/PHPStan/Rules/Cast/data/invalid-encapsed-part-enum.php

@@ -0,0 +1,24 @@
+<?php // lint >= 8.1
+
+namespace InvalidEncapsedPartEnum;
+
+enum FooUnitEnum
+{
+	case A;
+}
+
+enum IntEnum: int
+{
+	case A = 1;
+}
+
+enum StringEnum: string
+{
+	case A = 'a';
+}
+
+function doFoo(FooUnitEnum $unitEnum, IntEnum $intEnum, StringEnum $stringEnum) {
+	"{$unitEnum}";
+	"{$intEnum}";
+	"{$stringEnum}";
+}

tests/PHPStan/Rules/Cast/data/invalid-encapsed-part.php

@@ -1,9 +1,64 @@
 <?php
 
-function (
+namespace InvalidPartOfEncapsedString;
+
+class ClassWithToString
+{
+	public function __toString(): string
+	{
+		return 'str';
+	}
+}
+
+function foo(
 	string $str,
-	\stdClass $std
+	\stdClass $std,
+	bool $bool,
+	int $int,
+	float $float,
+	array $array,
+	ClassWithToString $objectWithToString
 ) {
+	$null = null;
+	$resource = fopen('php://input');
+	assert($resource !== false);
 	"$str bar";
 	"$std bar";
-};
+	"$bool bar";
+	"$int bar";
+	"$float bar";
+	"$array bar";
+	"$objectWithToString bar";
+	"$null bar";
+	"$resource bar";
+}
+
+/**
+ * @param string|\stdClass $std
+ * @param string|bool $bool
+ * @param string|int $int
+ * @param string|float $float
+ * @param string|array $array
+ * @param string|ClassWithToString $objectWithToString
+ * @param string|null $null
+ * @param string|resource $resource
+ */
+function checkUnions(
+	$std,
+	$bool,
+	$int,
+	$float,
+	$array,
+	$objectWithToString,
+	$null,
+	$resource
+) {
+	"$std bar";
+	"$bool bar";
+	"$int bar";
+	"$float bar";
+	"$array bar";
+	"$objectWithToString bar";
+	"$null bar";
+	"$resource bar";
+}