Feat: added importer unit test

tests/phpunit/tutor-pro/ImporterTest.php

@@ -0,0 +1,99 @@
+<?php
+/**
+ * Importer Class Unit Test
+ *
+ * @package Tutor\Test
+ *
+ * @since 3.6.0
+ */
+
+namespace TutorTest;
+
+/**
+ * Importer Test Class
+ */
+class ImporterTest extends \PHPUnit\Framework\TestCase {
+
+	/**
+	 * Importer instance
+	 *
+	 * @since 3.6.0
+	 *
+	 * @var object
+	 */
+	private $importer;
+
+	const TUTOR_TEST_PRO_DIRECTORY = '';
+
+	/**
+	 * Setup function that runs before the test case runs.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @return void
+	 */
+	protected function setUp(): void {
+		global $current_user;
+		parent::setUp();
+
+		$importer_path            = self::TUTOR_TEST_PRO_DIRECTORY . '/tools/Importer.php';
+		$course_importer_path     = self::TUTOR_TEST_PRO_DIRECTORY . '/tools/CourseImporter.php';
+		$assignment_importer_path = self::TUTOR_TEST_PRO_DIRECTORY . '/tools/AssignmentImporter.php';
+		$quiz_importer_path       = self::TUTOR_TEST_PRO_DIRECTORY . '/tools/QuizImporter.php';
+
+		if ( file_exists( $importer_path ) ) {
+			require_once $importer_path;
+		} else {
+			echo esc_html( $importer_path . ' does not exists.' );
+		}
+
+		if ( file_exists( $course_importer_path ) ) {
+			require_once $course_importer_path;
+		} else {
+			echo esc_html( $course_importer_path . ' does not exists.' );
+		}
+
+		if ( file_exists( $assignment_importer_path ) ) {
+			require_once $assignment_importer_path;
+		} else {
+			echo esc_html( $assignment_importer_path . ' does not exists.' );
+		}
+
+		if ( file_exists( $quiz_importer_path ) ) {
+			require_once $quiz_importer_path;
+		} else {
+			echo esc_html( $quiz_importer_path . ' does not exists.' );
+		}
+
+		$this->importer = new \TutorPro\Tools\Importer();
+		wp_set_current_user( 1 );
+	}
+
+	/**
+	 * Teardown function that runs after the test has ran.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @return void
+	 */
+	protected function tearDown(): void {
+		unset( $this->importer );
+
+		parent::tearDown();
+	}
+
+	/**
+	 * Test importing json content with importer.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @return void
+	 */
+	public function test_import_json_content() {
+		$json_data = file_get_contents( '' ); // file path.
+
+		$response = $this->importer->import_contents( $json_data );
+
+		$this->assertFalse( is_wp_error( $response ) );
+	}
+}