Add Plugin Tests (#1601)

* Add plugin tests

Signed-off-by: Joe Fusco <[email protected]>

* Add test coverage for utility functions

Signed-off-by: Joe Fusco <[email protected]>

---------

Signed-off-by: Joe Fusco <[email protected]>

plugins/faustwp/tests/integration/UtilitiesFunctionsTests.php

@@ -0,0 +1,107 @@
+<?php
+/**
+ * Tests for the utility functions in the FaustWP plugin.
+ *
+ * @package FaustWP
+ */
+
+namespace WPE\FaustWP\Tests\Integration;
+
+use WPE\FaustWP\Utilities;
+
+/**
+ * Class UtilitiesTest
+ */
+class UtilitiesTest extends \WP_UnitTestCase {
+    /**
+     * Path to the test directory.
+     *
+     * @var string
+     */
+    private $testDir;
+
+    /**
+     * Path to the test zip file.
+     *
+     * @var string
+     */
+    private $testZip;
+
+    /**
+     * Setup runs before every test.
+     */
+    protected function setUp(): void {
+        parent::setUp();
+
+        $this->testDir = sys_get_temp_dir() . '/faustwp_test_directory';
+        $this->testZip = sys_get_temp_dir() . '/test.zip';
+    }
+
+    /**
+     * Cleanup runs after every test.
+     */
+    protected function tearDown(): void {
+        if ( is_dir( $this->testDir ) ) {
+            Utilities\rrmdir( $this->testDir );
+        }
+
+        if ( file_exists( $this->testZip ) ) {
+            unlink( $this->testZip );
+        }
+
+        parent::tearDown();
+    }
+
+    /**
+     * Test the camelcase function.
+     */
+    public function testCamelcase() {
+        $this->assertSame( 'helloWorld', Utilities\camelcase( 'Hello world' ) );
+        $this->assertSame( 'helloWorldTest', Utilities\camelcase( 'Hello-world-test' ) );
+        $this->assertSame( 'hello1World2Test', Utilities\camelcase( 'Hello 1-world-2 test' ) );
+        $this->assertSame( 'helloWorld$Test', Utilities\camelcase( 'Hello world $ test', array( '$' ) ) );
+        $this->assertSame( 'helloWorld', Utilities\camelcase( '  Hello  world  ' ) ); // Test with extra spaces
+    }
+
+    /**
+     * Test the plugin_version function.
+     */
+    public function testPluginVersion() {
+        // This test assumes FAUSTWP_FILE is defined correctly.
+        $this->assertIsString( Utilities\plugin_version() );
+    }
+
+    /**
+     * Test the unzip_to_directory function.
+     */
+    public function testUnzipToDirectory() {
+        // Create a dummy zip file for testing.
+        $zip = new \ZipArchive();
+        $zip->open( $this->testZip, \ZipArchive::CREATE );
+        $zip->addFromString( 'testfile.txt', 'Test content' );
+        $zip->close();
+
+        $this->assertTrue( Utilities\unzip_to_directory( $this->testZip, $this->testDir ) );
+        $this->assertFileExists( $this->testDir . '/testfile.txt' );
+        $this->assertFalse( file_exists( $this->testZip ) );
+
+        // Test non-existent file.
+        $this->assertFalse( Utilities\unzip_to_directory( 'nonexistent.zip', $this->testDir ) );
+    }
+
+    /**
+     * Test the rrmdir function.
+     */
+    public function testRrmdir() {
+        mkdir( $this->testDir . '/subdir', 0777, true );
+        touch( $this->testDir . '/file.txt' );
+        touch( $this->testDir . '/subdir/file2.txt' );
+
+        Utilities\rrmdir( $this->testDir );
+        $this->assertFalse( is_dir( $this->testDir ) );
+
+        // Test rrmdir on non-existent directory.
+        Utilities\rrmdir( $this->testDir );
+        $this->assertFalse( is_dir( $this->testDir ) );
+    }
+}