Added unit tests for wc_get_current_admin_url()

tests/php/includes/admin/wc-admin-functions-test.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Unit tests for the WC_Admin_Functions_Test class
+ *
+ * @package WooCommerce\Tests\Admin
+ */
+
+/**
+ * Class WC_Admin_Functions_Test_Test
+ */
+class WC_Admin_Functions_Test extends \WC_Unit_Test_Case {
+
+	/**
+	 * Load up the importer classes since they aren't loaded by default.
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		$bootstrap = \WC_Unit_Tests_Bootstrap::instance();
+		require_once $bootstrap->plugin_dir . '/includes/admin/wc-admin-functions.php';
+	}
+
+	/**
+	 * Test wc_get_current_admin_url() function.
+	 */
+	public function test_wc_get_current_admin_url() {
+		// Since REQUEST_URI is empty on unit tests it should return an empty string.
+		if ( empty( $_SERVER['REQUEST_URI'] ) ) {
+			$this->assertEquals( '', wc_get_current_admin_url() );
+		}
+
+		// Test with REQUEST_URI.
+		$default_uri            = isset( $_SERVER['REQUEST_URI'] ) ? $_SERVER['REQUEST_URI'] : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
+		$_SERVER['REQUEST_URI'] = '/wp-admin/admin.php?page=wc-admin&foo=bar';
+		$this->assertEquals( admin_url( 'admin.php?page=wc-admin&foo=bar' ), wc_get_current_admin_url() );
+
+		// Test if nonce gets removed.
+		$_SERVER['REQUEST_URI'] = '/wp-admin/admin.php?page=wc-admin&_wpnonce=xxxxxxxxxxxx';
+		$this->assertEquals( admin_url( 'admin.php?page=wc-admin' ), wc_get_current_admin_url() );
+
+		// Restore REQUEST_URI.
+		$_SERVER['REQUEST_URI'] = $default_uri;
+	}
+}