Move PHPUnit tests into a tests/phpunit directory.

wp-tests-config.php can/should reside in the root of a develop checkout. `phpunit` should be run from the root.

see #25088.


git-svn-id: https://develop.svn.wordpress.org/trunk@25165 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/meta/query.php

@@ -0,0 +1,108 @@
+<?php
+/**
+ * Test WP_Meta_Query, in wp-includes/meta.php
+ *
+ * @group meta
+ */
+class Tests_Meta_Query extends WP_UnitTestCase {
+
+	function test_default_relation() {
+		$query = new WP_Meta_Query( array( array( 'key' => 'abc' ) ) );
+
+		$this->assertEquals( 'AND', $query->relation );
+	}
+
+	function test_set_relation() {
+
+		$query = new WP_Meta_Query( array( array( 'key' => 'abc' ), 'relation' => 'AND' ) );
+
+		$this->assertEquals( 'AND', $query->relation );
+
+		$query = new WP_Meta_Query( array( array( 'key' => 'abc' ), 'relation' => 'OR' ) );
+
+		$this->assertEquals( 'OR', $query->relation );
+	}
+
+	/**
+	 * Test all key only meta queries use the same INNER JOIN when using relation=OR
+	 *
+	 * @ticket 19729
+	 */
+	function test_single_inner_join_for_keys_only() {
+
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array( 'key' => 'abc' ),
+			array( 'key' => 'def' ),
+			'relation' => 'OR'
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID' );
+
+		$this->assertEquals( 1, substr_count( $sql['join'], 'INNER JOIN' ) );
+
+		// also check mixing key and key => value
+
+		$query = new WP_Meta_Query( array(
+			array( 'key' => 'abc' ),
+			array( 'key' => 'def' ),
+			array( 'key' => 'ghi', 'value' => 'abc' ),
+			'relation' => 'OR'
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID' );
+
+		$this->assertEquals( 2, substr_count( $sql['join'], 'INNER JOIN' ) );
+	}
+
+	/**
+	 * Test the conversion between "WP_Query" style meta args (meta_value=x&meta_key=y)
+	 * to a meta query array
+	 */
+	function test_parse_query_vars() {
+
+		$query = new WP_Meta_Query();
+
+		// just meta_value
+		$query->parse_query_vars( array( 'meta_key' => 'abc' ) );
+
+		$this->assertEquals( array( array( 'key' => 'abc' ) ), $query->queries );
+
+		// meta_key & meta_value
+		$query->parse_query_vars( array( 'meta_key' => 'abc', 'meta_value' => 'def' ) );
+
+		$this->assertEquals( array( array( 'key' => 'abc', 'value' => 'def' ) ), $query->queries );
+
+		// meta_compare
+		$query->parse_query_vars( array( 'meta_key' => 'abc', 'meta_compare' => '=>' ) );
+
+		$this->assertEquals( array( array( 'key' => 'abc', 'compare' => '=>' ) ), $query->queries );
+	}
+
+	/**
+	 * @ticket 22096
+	 */
+	function test_empty_value_sql() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query();
+
+		$the_complex_query['meta_query'] = array(
+			array( 'key' => 'my_first_key', 'value' => 'my_amazing_value' ),
+			array( 'key' => 'my_second_key', 'compare' => 'NOT EXISTS' ),
+			array( 'key' => 'my_third_key', 'value' => array( ), 'compare' => 'IN' ),
+		);
+
+		$query->parse_query_vars( $the_complex_query );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		// We should have 2 joins - one for my_first_key and one for my_second_key
+		$this->assertEquals( 2, substr_count( $sql['join'], 'INNER JOIN' ) );
+
+		// The WHERE should check my_third_key against an unaliased table
+		$this->assertEquals( 1, substr_count( $sql['where'], "$wpdb->postmeta.meta_key = 'my_third_key'" ) );
+
+	}
+}