creat Unit Test

tests/VObject/Component/VCalendarTest.php

@@ -756,6 +756,49 @@ public function testCalDAVMETHOD(): void
         );
     }
 
+    public function testNodeInValidationErrorHasLineIndexAndLineStringProps(): void
+    {
+        $defectiveInput = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+METHOD:PUBLISH
+PRODID:vobject
+BEGIN:VEVENT
+UID:foo
+CLASS:PUBLIC
+DTSTART;VALUE=DATE:19931231
+DTSTAMP:20240422T070855Z
+CREATED:
+LAST-MODIFIED:
+DESCRIPTION:bar
+END:VEVENT
+ICS;
+
+        $vcal = VObject\Reader::read($defectiveInput);
+        $result = $vcal->validate();
+        $warningMessages = [];
+        foreach( $result as $error ) {
+            $warningMessages[] = $error['message'];
+        }
+        self::assertCount(2, $result, 'We expected exactly 2 validation messages, instead we got ' . count( $result ) . ' results:' . implode(', ', $warningMessages) );
+        foreach( $result as $idx => $warning ) {
+            self::assertArrayHasKey( 'node', $warning, 'The validation errors should contain a node key' );
+            self::assertInstanceOf( VObject\Property\ICalendar\DateTime::class, $warning[ 'node' ], 'We expected the defective node to be of type Sabre\VObject\Property\ICalendar\DateTime, instead we got type ' . gettype( $warning['node'] ) );
+            self::assertObjectHasProperty( 'lineIndex', $warning['node'], 'We expected the defective node in the validation errors array to have a "lineIndex" property' );
+            self::assertObjectHasProperty( 'lineString', $warning['node'], 'We expected the defective node in the validation errors array to have a "lineString" property' );
+            switch( $idx ) {
+                case 0:
+                    self::assertEquals( '10', $warning['node']->lineIndex, 'We expected the "lineIndex" property of the first defective node to be 10, instead it was ' . $warning['node']->lineIndex );
+                    self::assertEquals( 'CREATED:', $warning['node']->lineString, 'We expected the "lineString" property of the first defective node to be "CREATED:", instead it was ' . $warning['node']->lineString );
+                    break;
+                case 1:
+                    self::assertEquals( '11', $warning['node']->lineIndex, 'We expected the "lineIndex" property of the second defective node to be 11, instead it was ' . $warning['node']->lineIndex );
+                    self::assertEquals( 'LAST-MODIFIED:', $warning['node']->lineString, 'We expected the "lineString" property of the second defective node to be "LAST-MODIFIED:", instead it was ' . $warning['node']->lineString );
+                    break;
+            }
+        }
+    }
+
     public function assertValidate($ics, $options, $expectedLevel, ?string $expectedMessage = null): void
     {
         $vcal = VObject\Reader::read($ics);