Globe default value

Before: new GlobeCoordinateValue( $latLang, $precision ) was possible but
new GlobeCoordinateValue( $latLang, $precision, null ) failed. Doesn't make
much sense if you think about, especially in terms of deserialization.

After: Both calls use the default value.

Bug: 66632

src/DataValues/GlobeCoordinateValue.php

@@ -13,16 +13,12 @@
 class GlobeCoordinateValue extends DataValueObject {
 
 	/**
-	 * @since 0.1
-	 *
 	 * @var LatLongValue
 	 */
 	protected $latLang;
 
 	/**
-	 * The precision of the coordinate.
-	 *
-	 * @since 0.1
+	 * The precision of the coordinate in degrees, e.g. 0.01.
 	 *
 	 * @var float|int|null
 	 */
@@ -31,30 +27,30 @@ class GlobeCoordinateValue extends DataValueObject {
 	/**
 	 * IRI of the globe on which the location resides.
 	 *
-	 * @since 0.1
-	 *
 	 * @var string
 	 */
 	protected $globe;
 
 	const GLOBE_EARTH = 'http://www.wikidata.org/entity/Q2';
 
 	/**
-	 * @since 0.1
-	 *
 	 * @param LatLongValue $latLang
-	 * @param float|int|null $precision
-	 * @param string $globe IRI, defaults to 'http://www.wikidata.org/entity/Q2'.
+	 * @param float|int|null $precision in degrees, e.g. 0.01.
+	 * @param string|null $globe IRI, defaults to 'http://www.wikidata.org/entity/Q2'.
 	 *
 	 * @throws IllegalValueException
 	 */
-	public function __construct( LatLongValue $latLang, $precision, $globe = self::GLOBE_EARTH ) {
+	public function __construct( LatLongValue $latLang, $precision, $globe = null ) {
+		if ( $globe === null ) {
+			$globe = self::GLOBE_EARTH;
+		}
+
 		$this->assertIsPrecision( $precision );
 		$this->assertIsGlobe( $globe );
 
 		$this->latLang = $latLang;
 		$this->precision = $precision;
-		$this->globe =  $globe;
+		$this->globe = $globe;
 	}
 
 	protected function assertIsPrecision( $precision ) {
@@ -72,8 +68,6 @@ protected function assertIsGlobe( $globe ) {
 	/**
 	 * @see Serializable::serialize
 	 *
-	 * @since 0.1
-	 *
 	 * @return string
 	 */
 	public function serialize() {
@@ -83,8 +77,6 @@ public function serialize() {
 	/**
 	 * @see Serializable::unserialize
 	 *
-	 * @since 0.1
-	 *
 	 * @param string $value
 	 *
 	 * @return GlobeCoordinateValue
@@ -103,8 +95,6 @@ public function unserialize( $value ) {
 	/**
 	 * @see DataValue::getType
 	 *
-	 * @since 0.1
-	 *
 	 * @return string
 	 */
 	public static function getType() {
@@ -114,8 +104,6 @@ public static function getType() {
 	/**
 	 * @see DataValue::getSortKey
 	 *
-	 * @since 0.1
-	 *
 	 * @return float
 	 */
 	public function getSortKey() {
@@ -148,8 +136,6 @@ public function getLongitude() {
 	 * Returns the text.
 	 * @see DataValue::getValue
 	 *
-	 * @since 0.1
-	 *
 	 * @return GlobeCoordinateValue
 	 */
 	public function getValue() {
@@ -166,7 +152,7 @@ public function getLatLong() {
 	}
 
 	/**
-	 * Returns the precision of the coordinate.
+	 * Returns the precision of the coordinate in degrees, e.g. 0.01.
 	 *
 	 * @since 0.1
 	 *
@@ -190,8 +176,6 @@ public function getGlobe() {
 	/**
 	 * @see DataValue::getArrayValue
 	 *
-	 * @since 0.1
-	 *
 	 * @return array
 	 */
 	public function getArrayValue() {

tests/DataValues/GlobeCoordinateValueTest.php

@@ -45,6 +45,7 @@ public function validConstructorArgumentsProvider() {
 		$argLists[] = array( new LatLongValue( 4.2, 4.2 ), 1, 'terminus' );
 		$argLists[] = array( new LatLongValue( 4.2, 4.2 ), 1, "Schar's World" );
 		$argLists[] = array( new LatLongValue( 4.2, 4.2 ), 1, 'coruscant' );
+		$argLists[] = array( new LatLongValue( 4.2, 4.2 ), 1, null );
 		$argLists[] = array( new LatLongValue( 4.2, 4.2 ), null );
 
 		return $argLists;
@@ -58,7 +59,6 @@ public function invalidConstructorArgumentsProvider() {
 		$argLists[] = array( new LatLongValue( 4.2, 4.2 ), array( 1 ) );
 		$argLists[] = array( new LatLongValue( 4.2, 4.2 ), '1' );
 
-		$argLists[] = array( new LatLongValue( 4.2, 4.2 ), 1, null );
 		$argLists[] = array( new LatLongValue( 4.2, 4.2 ), 1, array( 1 ) );
 		$argLists[] = array( new LatLongValue( 4.2, 4.2 ), 1, 1 );
 
@@ -109,7 +109,7 @@ public function testGetPrecision( GlobeCoordinateValue $globeCoordinate, array $
 	 * @param array $arguments
 	 */
 	public function testGetGlobe( GlobeCoordinateValue $globeCoordinate, array $arguments ) {
-		$expected = array_key_exists( 2, $arguments )
+		$expected = isset( $arguments[2] )
 			? $arguments[2]
 			: GlobeCoordinateValue::GLOBE_EARTH;