Add EntityRedirect::__toString for easy debugging

Author: thiemowmde

src/Entity/EntityRedirect.php

@@ -71,4 +71,13 @@ public function equals( $that ) {
 			&& $this->targetId->equals( $that->targetId );
 	}
 
+	/**
+	 * @since 4.4
+	 *
+	 * @return string
+	 */
+	public function __toString() {
+		return $this->entityId . '->' . $this->targetId;
+	}
+
 }

tests/unit/Entity/EntityRedirectTest.php

@@ -77,4 +77,9 @@ public function testEquals( $a, $b, $expected ) {
 		}
 	}
 
+	public function testToString() {
+		$redirect = new EntityRedirect( new ItemId( 'Q1' ), new ItemId( 'Q2' ) );
+		$this->assertSame( 'Q1->Q2', $redirect->__toString() );
+	}
+
 }