Init

.gitlab-ci.yml

 variables:
   DISABLE_PHP_5_5: 1
-  DISABLE_UNIT_TESTS: 1
+  DISABLE_UNIT: 1
   DISABLE_INTEGRATION_TESTS: 1
   DISABLE_CODECEPTION: 1
-  IS_LIBRARY: 1
 
 include: 'https://gitlab.com/wpdesk/gitlab-ci/raw/master/gitlab-ci-1.2.yml'

tests/integration/bootstrap.php

+<?php
+
+ini_set('error_reporting', E_ALL); // or error_reporting(E_ALL);
+ini_set('display_errors', '1');
+ini_set('display_startup_errors', '1');
+
+// disable xdebug backtrace
+if ( function_exists( 'xdebug_disable' ) ) {
+	xdebug_disable();
+}
+
+if ( getenv( 'PLUGIN_PATH' ) !== false ) {
+	define( 'PLUGIN_PATH', getenv( 'PLUGIN_PATH' ) );
+} else {
+	define( 'PLUGIN_PATH', __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR );
+}
+
+require_once( getenv( 'WP_DEVELOP_DIR' ) . '/tests/phpunit/includes/functions.php' );
+
+tests_add_filter( 'muplugins_loaded', function () {
+	require PLUGIN_PATH . '/woocommerce-fakturownia.php';
+	$plugins_to_active[] = 'woocommerce-fakturownia/woocommerce-fakturownia.php';
+	update_option( 'active_plugins', $plugins_to_active );
+}, 100 );
+
+putenv('WP_TESTS_DIR=' . getenv( 'WP_DEVELOP_DIR' ) . '/tests/phpunit');
+require_once( getenv( 'WC_DEVELOP_DIR' ) . '/tests/bootstrap.php' );
+
+$plugins_to_active = get_option( 'active_plugins' );
+$plugins_to_active[] = 'woocommerce/woocommerce.php';
+update_option( 'active_plugins', $plugins_to_active );
+
+do_action('plugins_loaded');
+
+echo "\n\n";
+echo 'WC_VERSION=' . WC_VERSION . "\n";
+echo 'PHP_VERSION=' . phpversion() . "\n";
+echo "\n\n";

tests/unit/bootstrap.php

+<?php
+/**
+ * PHPUnit bootstrap file
+ */
+
+require_once __DIR__ . '/../../vendor/autoload.php';
+
+error_reporting( E_ALL );
+
+if ( getenv( 'PLUGIN_PATH' ) !== false ) {
+	define( 'PLUGIN_PATH', getenv( 'PLUGIN_PATH' ) );
+} else {
+	define( 'PLUGIN_PATH', __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR );
+}
+
+if ( getenv( 'ABSPATH' ) !== false ) {
+	define( 'ABSPATH', getenv( 'ABSPATH' ) );
+} else {
+	define( 'ABSPATH', PLUGIN_PATH . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR );
+}
+
+WP_Mock::setUsePatchwork( true );
+WP_Mock::bootstrap();