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<title>[Tests][1173] trunk/tests/meta/query.php: add some WP_Meta_Query tests.</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/1173/tests">1173</a></dd>
<dt>Author</dt> <dd>scribu</dd>
<dt>Date</dt> <dd>2012-12-23 00:22:03 +0000 (Sun, 23 Dec 2012)</dd>
</dl>
<h3>Log Message</h3>
<pre>add some WP_Meta_Query tests. props joehoyle
see 19729. fixes #UT122</pre>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunktestsmetaqueryphp">trunk/tests/meta/query.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunktestsmetaqueryphp"></a>
<div class="addfile"><h4>Added: trunk/tests/meta/query.php (0 => 1173)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/tests/meta/query.php (rev 0)
+++ trunk/tests/meta/query.php 2012-12-23 00:22:03 UTC (rev 1173)
</span><span class="lines">@@ -0,0 +1,82 @@
</span><ins>+<?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 );
+ }
+}
</ins></span></pre>
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