Add tests for no_found_rows behavior of WP_Query.

See #29952.

git-svn-id: https://develop.svn.wordpress.org/trunk@37600 602fd350-edb4-49c9-b593-d223f7449a82

Author: boonebgorges

tests/phpunit/tests/query/noFoundRows.php

@@ -0,0 +1,89 @@
+<?php
+
+/**
+ * @group query
+ */
+class Tests_Query_NoFoundRows extends WP_UnitTestCase {
+	public function test_no_found_rows_default() {
+		$q = new WP_Query( array(
+			'post_type' => 'post',
+		) );
+
+		$this->assertContains( 'SQL_CALC_FOUND_ROWS', $q->request );
+	}
+
+	public function test_no_found_rows_false() {
+		$q = new WP_Query( array(
+			'post_type' => 'post',
+			'no_found_rows' => false,
+		) );
+
+		$this->assertContains( 'SQL_CALC_FOUND_ROWS', $q->request );
+	}
+
+	public function test_no_found_rows_0() {
+		$q = new WP_Query( array(
+			'post_type' => 'post',
+			'no_found_rows' => 0,
+		) );
+
+		$this->assertContains( 'SQL_CALC_FOUND_ROWS', $q->request );
+	}
+
+	public function test_no_found_rows_empty_string() {
+		$q = new WP_Query( array(
+			'post_type' => 'post',
+			'no_found_rows' => '',
+		) );
+
+		$this->assertContains( 'SQL_CALC_FOUND_ROWS', $q->request );
+	}
+
+	public function test_no_found_rows_true() {
+		$q = new WP_Query( array(
+			'post_type' => 'post',
+			'no_found_rows' => true,
+		) );
+
+		$this->assertNotContains( 'SQL_CALC_FOUND_ROWS', $q->request );
+	}
+
+	public function test_no_found_rows_non_bool_cast_to_true() {
+		$q = new WP_Query( array(
+			'post_type' => 'post',
+			'no_found_rows' => 'foo',
+		) );
+
+		$this->assertNotContains( 'SQL_CALC_FOUND_ROWS', $q->request );
+	}
+
+	/**
+	 * @ticket 29552
+	 */
+	public function test_no_found_rows_default_with_nopaging_true() {
+		$p = $this->factory->post->create();
+
+		$q = new WP_Query( array(
+			'post_type' => 'post',
+			'nopaging' => true,
+		) );
+
+		$this->assertNotContains( 'SQL_CALC_FOUND_ROWS', $q->request );
+		$this->assertSame( 1, $q->found_posts );
+	}
+
+	/**
+	 * @ticket 29552
+	 */
+	public function test_no_found_rows_default_with_postsperpage_minus1() {
+		$p = $this->factory->post->create();
+
+		$q = new WP_Query( array(
+			'post_type' => 'post',
+			'posts_per_page' => -1,
+		) );
+
+		$this->assertNotContains( 'SQL_CALC_FOUND_ROWS', $q->request );
+		$this->assertSame( 1, $q->found_posts );
+	}
+}