FIX_EXCEL_SANTIZE_HELPER_IMPROVED

tests/unit/ExcelSanitizeHelperTest.php

@@ -0,0 +1,67 @@
+<?php
+namespace Tests\Unit\Helpers;
+
+use PHPUnit\Framework\TestCase;
+use App\Helpers\ExcelSanitizeHelper;
+
+class ExcelSanitizeHelperTest extends TestCase
+{
+    /**
+     * Test sanitizeArrayData with various input scenarios.
+     */
+    public function testSanitizeArrayData()
+    {
+        // Test with a flat array
+        $input = [
+            "validString" => "HelloWorld",
+            "withNonPrintable" => "‌71030034240400000016",
+            "withWhitespace" => "   Trim me   ",
+            "nonStringValue" => 'Hello
+World',
+        ];
+        $expected = [
+            "validString" => "HelloWorld",
+            "withNonPrintable" => "71030034240400000016",
+            "withWhitespace" => "Trim me",
+            "nonStringValue" => 'HelloWorld',
+        ];
+        $result = ExcelSanitizeHelper::sanitizeArrayData($input);
+        // var_dump($input);
+        // var_dump($result);
+        $this->assertSame($expected, ExcelSanitizeHelper::sanitizeArrayData($input));
+
+        // Test with nested arrays
+        $input = [
+            "nested" => [
+                "validString" => "‌71030034240400000016",
+                "withNonPrintable" => "Nested\x01\x02String_x000A_",
+            ],
+            "withWhitespace" => "   Outer whitespace   ",
+        ];var_dump($input);
+        $expected = [
+            "nested" => [
+                "validString" => "71030034240400000016",
+                "withNonPrintable" => "NestedString",
+            ],
+            "withWhitespace" => "Outer whitespace",
+        ];
+        $this->assertSame($expected, ExcelSanitizeHelper::sanitizeArrayData($input));
+
+        // Test with empty array
+        $this->assertSame([], ExcelSanitizeHelper::sanitizeArrayData([]));
+
+        // Test with an array containing only non-string values
+        $input = [
+            "integer" => 42,
+            "float" => 3.14,
+            "boolean" => true,
+            "null" => null,
+        ];
+        $this->assertSame($input, ExcelSanitizeHelper::sanitizeArrayData($input));
+
+        // Test with invalid input to ensure graceful handling (edge case)
+        $input = ["invalid" => "\x00\x01\x7F_x000D_", "normal" => "Text"];
+        $expected = ["invalid" => "", "normal" => "Text"];
+        $this->assertSame($expected, ExcelSanitizeHelper::sanitizeArrayData($input));
+    }
+}