diff --git a/laravel_app/tests/Feature/ValidateExcelStructureTest.php b/laravel_app/tests/Feature/ValidateExcelStructureTest.php
new file mode 100644
index 0000000..4e1e246
--- /dev/null
+++ b/laravel_app/tests/Feature/ValidateExcelStructureTest.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace Tests\Feature;
+
+use Maatwebsite\Excel\Exceptions\NoTypeDetectedException;
+use Maatwebsite\Excel\HeadingRowImport;
+use Tests\TestCase;
+
+class ValidateExcelStructureTest extends TestCase
+{
+    public static function excelFileProvider()
+    {
+        //good file - correct data
+        yield ['/Users/guillaume/smartcane/laravel_app/storage/app/livewire-tmp/Fi8skg5XxHVWmJ4LdkzOvvyBYYVsTW-metadGVzdCAoMSkueGxzeA==-.xlsx'];
+        //good file - wrong data
+        yield ['/Users/guillaume/smartcane/laravel_app/storage/app/livewire-tmp/SosZOpFgWrPWELZQrP3tIr69d0sOjf-metad3JvbmcueGxzeA==-.xlsx'];
+        // wrong file
+        yield ['/Users/guillaume/smartcane/laravel_app/storage/app/livewire-tmp/gc4uIBw5Uli7Fk1JJDR9d7eLoPRI0x-metaWGluYXZhbmVfZGVtby5nZW9qc29u-.json'];
+
+    }
+    /** @test
+     * @dataProvider excelFileProvider
+    */
+    public function it_can_load_an_excel_sheet(string $filename)
+    {
+        $toCheck = ["field","sub_field", "year", "season_start","season_end", "age" , "sub_area", "tonnage_ha"];
+        self::assertFileExists($filename);
+        try {
+            $excelArray = (new HeadingRowImport)->toArray($filename);
+            self::assertNotNull($excelArray);
+            $headers = $excelArray[0][0];
+            self::assertNotEmpty($headers);
+            self::assertEmpty(array_diff($toCheck, $headers));
+
+        }catch (NoTypeDetectedException $exception){
+            self::assertFileExists('/Users/guillaume/smartcane/laravel_app/storage/app/livewire-tmp/gc4uIBw5Uli7Fk1JJDR9d7eLoPRI0x-metaWGluYXZhbmVfZGVtby5nZW9qc29u-.json');
+        }
+
+    }
+}