Add unit tests for orders/products

.gitignore

@@ -1,11 +1,43 @@
-assets/etc/defuse.txt
-assets/etc/secret.txt
-logs/debug.log
-logs/error.log
+# Composer
 vendor
 vendor/*
-.idea
-.idea/*
-/composer.phar
 composer.lock
+
+# Editors
+project.xml
+project.properties
+/nbproject/private/
+.buildpath
+.project
+.settings*
+.idea
+.vscode
+*.sublime-project
+*.sublime-workspace
+.sublimelinterrc
+
+# Grunt
+/node_modules/
+none
+
+# Sass
+.sass-cache/
+
+# OS X metadata
+.DS_Store
+
+# Windows junk
+Thumbs.db
+
+# Tests
+/coverage
+/tests/bin/tmp
+phpcs.xml
+phpunit.xml
 .phpunit.result.cache
+
+# DLM
+assets/etc/defuse.txt
+assets/etc/secret.txt
+logs/debug.log
+logs/error.log

.phpcs.xml.dist → phpcs.xml.dist

@@ -16,32 +16,25 @@
 	<arg name="extensions" value="php"/>
 	<arg name="parallel" value="8"/><!-- Enables parallel processing when available for faster results. -->
 
-	<!-- Rules: Check PHP version compatibility -->
-	<!-- https://github.com/PHPCompatibility/PHPCompatibility#sniffing-your-code-for-compatibility-with-specific-php-versions -->
 	<config name="testVersion" value="5.6-"/>
-	<!-- https://github.com/PHPCompatibility/PHPCompatibilityWP -->
 	<rule ref="PHPCompatibilityWP"/>
 
 	<!-- Rules: WordPress Coding Standards -->
-	<!-- https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards -->
-	<!-- https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/wiki/Customizable-sniff-properties -->
-	<config name="minimum_supported_wp_version" value="4.6"/>
+	<config name="minimum_supported_wp_version" value="4.7"/>
 	<rule ref="WordPress"/>
 	<rule ref="WordPress.NamingConventions.PrefixAllGlobals">
 		<properties>
-			<!-- Value: replace the function, class, and variable prefixes used. Separate multiple prefixes with a comma. -->
-			<property name="prefixes" type="array" value="my-plugin"/>
+			<property name="prefixes" type="array" value="digital-license-manager"/>
 		</properties>
 	</rule>
 	<rule ref="WordPress.WP.I18n">
 		<properties>
-			<!-- Value: replace the text domain used. -->
-			<property name="text_domain" type="array" value="my-plugin"/>
+			<property name="text_domain" type="array" value="digital-license-manager"/>
 		</properties>
 	</rule>
 	<rule ref="WordPress.WhiteSpace.ControlStructureSpacing">
 		<properties>
 			<property name="blank_line_check" value="true"/>
 		</properties>
 	</rule>
-</ruleset>
+</ruleset>

phpunit.xml.dist

@@ -1,15 +1,16 @@
 <?xml version="1.0"?>
 <phpunit
-	bootstrap="tests/bootstrap.php"
-	backupGlobals="false"
-	colors="true"
-	convertErrorsToExceptions="true"
-	convertNoticesToExceptions="true"
-	convertWarningsToExceptions="true"
-	>
+		bootstrap="tests/unit/bootstrap.php"
+		backupGlobals="false"
+		colors="true"
+		convertErrorsToExceptions="true"
+		convertNoticesToExceptions="true"
+		convertWarningsToExceptions="true"
+>
 	<testsuites>
-		<testsuite name="default">
-			<directory prefix="test-" suffix=".php">./tests/</directory>
+		<testsuite name="DigitalLicenseManager">
+			<directory suffix=".php">./tests/unit</directory>
 		</testsuite>
 	</testsuites>
-</phpunit>
+
+</phpunit>

tests/WP_UnitTestCase.php

@@ -0,0 +1,15 @@
+<?php
+/**
+ * Class WP_UnitTestCase
+ *
+ * @package WooCommerce\Payments\Tests
+ */
+
+/**
+ * This stub assists IDE in recognizing PHPUnit tests.
+ *
+ * Class WP_UnitTestCase
+ */
+class WP_UnitTestCase extends \Yoast\PHPUnitPolyfills\TestCases\TestCase {
+
+}

tests/unit/bootstrap.php

@@ -0,0 +1,81 @@
+<?php
+/**
+ * PHPUnit bootstrap file
+ *
+ * @package WooCommerce\Subscriptions
+ */
+
+$_tests_dir = getenv( 'WP_TESTS_DIR' );
+
+if ( ! $_tests_dir ) {
+	$_tests_dir = rtrim( sys_get_temp_dir(), '/\\' ) . '/wordpress-tests-lib';
+}
+
+if ( ! file_exists( $_tests_dir . '/includes/functions.php' ) ) {
+	echo "Could not find $_tests_dir/includes/functions.php, have you run bin/install-wp-tests.sh ?" . PHP_EOL; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
+	exit( 1 );
+}
+
+if ( PHP_VERSION_ID >= 80000 && file_exists( $_tests_dir . '/includes/phpunit7/MockObject' ) ) {
+	// WP Core test library includes patches for PHPUnit 7 to make it compatible with PHP8.
+	require_once $_tests_dir . '/includes/phpunit7/MockObject/Builder/NamespaceMatch.php';
+	require_once $_tests_dir . '/includes/phpunit7/MockObject/Builder/ParametersMatch.php';
+	require_once $_tests_dir . '/includes/phpunit7/MockObject/InvocationMocker.php';
+	require_once $_tests_dir . '/includes/phpunit7/MockObject/MockMethod.php';
+}
+
+
+// Give access to tests_add_filter() function.
+require_once $_tests_dir . '/includes/functions.php';
+
+/**
+ * Manually load the plugin being tested.
+ */
+function _manually_load_plugin() {
+
+	$_plugin_dir = dirname( __FILE__ ) . '/../../';
+
+	if ( ! function_exists( 'activate_plugin' ) ) {
+		include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
+	}
+
+	require_once dirname( __FILE__ ) . '/helpers/class-dlm-helper-settings.php';
+	DLM_Helper_Settings::setDefaults();
+
+	tests_add_filter( 'dlm_mock_is_plugin_active', '__return_true' );
+
+	// Required files for the plugin
+	$required = [
+		realpath( $_plugin_dir . '..' ) . '/woocommerce/woocommerce.php',
+	];
+	foreach ( $required as $item ) {
+		if ( file_exists( $item ) ) {
+			echo 'Loaded: '.$item . PHP_EOL;
+			require_once $item;
+		} else {
+			echo "Could not find " . plugin_basename( $item ) . " plugin which is required for unit tests.";
+			exit( 1 );
+		}
+	}
+
+	// Set a default currency to be used for the multi-currency tests because the default
+	// is not loaded even though it's set during the tests setup.
+	update_option( 'woocommerce_currency', 'USD' );
+	require $_plugin_dir . '/digital-license-manager.php';
+
+	IdeoLogix\DigitalLicenseManager\Setup::install( false );
+
+}
+
+tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );
+
+// Need those polyfills to run tests in CI.
+require_once dirname( __FILE__ ) . '/../../vendor/yoast/phpunit-polyfills/phpunitpolyfills-autoload.php';
+
+// Start up the WP testing environment.
+require $_tests_dir . '/includes/bootstrap.php';
+
+// We use outdated PHPUnit version, which emits deprecation errors in PHP 7.4 (deprecated reflection APIs).
+if ( defined( 'PHP_VERSION_ID' ) && PHP_VERSION_ID >= 70400 ) {
+	error_reporting( error_reporting() ^ E_DEPRECATED ); // phpcs:ignore
+}