Add a new test suite for tests surrounding the plugin's bootstrapping.

Author: stevegrunwell

tests/test-bootstrap.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * Tests for the plugin bootstrapping.
+ *
+ * @package Woocommerce_Order_Tables
+ * @author  Liquid Web
+ */
+
+class BootstrapTest extends WP_UnitTestCase {
+
+	/**
+	 * Tear down the plugin after each test run.
+	 *
+	 * @before
+	 */
+	public function tear_down_plugin() {
+		global $wc_custom_order_table;
+
+		// Destroy the global $wc_custom_order_table instance.
+		unset( $wc_custom_order_table );
+	}
+
+	public function test_plugin_only_loads_after_woocommerce() {
+		global $wc_custom_order_table;
+
+		$this->assertNull(
+			$wc_custom_order_table,
+			'Before bootstrapping, $wc_custom_order_table should be empty.'
+		);
+
+		do_action( 'woocommerce_init' );
+
+		$this->assertInstanceOf(
+			'WC_Custom_Order_Table',
+			$wc_custom_order_table,
+			'The plugin should not be bootstrapped until woocommerce_init.'
+		);
+	}
+}