Expand tests for format parameter.

Author: peterwilsoncc

tests/phpunit/tests/general/paginateLinks.php

@@ -52,11 +52,17 @@ public function test_defaults() {
 		$this->assertSameIgnoreEOL( $expected, $links );
 	}
 
-	public function test_format() {
-		$page2  = home_url( '/page/2/' );
-		$page3  = home_url( '/page/3/' );
-		$page50 = home_url( '/page/50/' );
-
+	/**
+	 * Test the format parameter behaves as expected.
+	 *
+	 * @dataProvider data_format
+	 *
+	 * @param string $format Format to test.
+	 * @param string $page2  Expected URL for page 2.
+	 * @param string $page3  Expected URL for page 3.
+	 * @param string $page50 Expected URL for page 50.
+	 */
+	public function test_format( $format, $page2, $page3, $page50 ) {
 		$expected = <<<EXPECTED
 <span aria-current="page" class="page-numbers current">1</span>
 <a class="page-numbers" href="$page2">2</a>
@@ -69,12 +75,27 @@ public function test_format() {
 		$links = paginate_links(
 			array(
 				'total'  => 50,
-				'format' => 'page/%#%/',
+				'format' => $format,
 			)
 		);
 		$this->assertSameIgnoreEOL( $expected, $links );
 	}
 
+	/**
+	 * Data provider for test_format.
+	 *
+	 * @return array[] Data provider.
+	 */
+	public function data_format() {
+		return array(
+			'pretty permalinks'                => array( 'page/%#%/', home_url( '/page/2/' ), home_url( '/page/3/' ), home_url( '/page/50/' ) ),
+			'plain permalinks'                 => array( '?page=%#%', home_url( '/?page=2' ), home_url( '/?page=3' ), home_url( '/?page=50' ) ),
+			'custom format - html extension'   => array( 'page/%#%.html', home_url( '/page/2.html' ), home_url( '/page/3.html' ), home_url( '/page/50.html' ) ),
+			'custom format - hyphen separated' => array( 'page-%#%', home_url( '/page-2' ), home_url( '/page-3' ), home_url( '/page-50' ) ),
+			'custom format - fragment'         => array( '#%#%', home_url( '/#2' ), home_url( '/#3' ), home_url( '/#50' ) ),
+		);
+	}
+
 	public function test_prev_next_false() {
 		$home   = home_url( '/' );
 		$page3  = get_pagenum_link( 3 );