[#3176] Add woocommerce class tests

tests/unit-tests/woocommerce.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * Test WooCommerce class
+ *
+ * @since 2.2
+ */
+class WC_Tests_WooCommerce extends WC_Unit_Test_Case {
+
+	/** @var \WooCommerce instance */
+	protected $wc;
+
+	/**
+	 * Setup test
+	 *
+	 * @since 2.2
+	 */
+	public function setUp() {
+
+		parent::setUp();
+
+		$this->wc = WC();
+	}
+
+	/**
+	 * Test WC has static instance
+	 *
+	 * @since 2.2
+	 */
+	public function test_wc_instance() {
+
+		$this->assertClassHasStaticAttribute( '_instance', 'WooCommerce' );
+	}
+
+	public function test_constructor() {
+
+	}
+
+	/**
+	 * Test that all WC constants are set
+	 *
+	 * @since 2.2
+	 */
+	public function test_constants() {
+
+		$this->assertEquals( str_replace( 'tests/unit-tests/', '', plugin_dir_path( __FILE__ ) ) . 'woocommerce.php', WC_PLUGIN_FILE );
+
+		$this->assertEquals( $this->wc->version, WC_VERSION );
+		$this->assertEquals( WC_VERSION, WOOCOMMERCE_VERSION );
+		$this->assertEquals( 4, WC_ROUNDING_PRECISION );
+		$this->assertContains( WC_TAX_ROUNDING_MODE, array ( 2, 1 ) );
+		$this->assertEquals( '|', WC_DELIMITER );
+		$this->assertEquals( dirname( ABSPATH ) . '/wc-logs/', WC_LOG_DIR );
+	}
+
+	/**
+	 * Test class instance
+	 *
+	 * @since 2.2
+	 */
+	public function test_wc_class_instances() {
+
+		$this->wc->init();
+
+		$this->assertInstanceOf( 'WC_Product_Factory', $this->wc->product_factory );
+		$this->assertInstanceOf( 'WC_Order_Factory', $this->wc->order_factory );
+		$this->assertInstanceOf( 'WC_Countries', $this->wc->countries );
+		$this->assertInstanceOf( 'WC_Session_Handler', $this->wc->session );
+		$this->assertInstanceOf( 'WC_Cart', $this->wc->cart );
+		$this->assertInstanceOf( 'WC_Customer', $this->wc->customer );
+	}
+}
+