update tests with file headers check

src/Concerns/HasCsvProperties.php

@@ -40,8 +40,8 @@ public function getCsvRecordsProperty(): TabularDataReader
 
     /**
      * Handle CSV Information properties from the given file
-     * 
-     * @return array|Illuminate\Support\MessageBag
+     *
+     * @return array|\Illuminate\Support\MessageBag
      */
     public function handleCsvProperties(): array|MessageBag
     {
@@ -50,12 +50,11 @@ public function handleCsvProperties(): array|MessageBag
             $fileRowCount = $this->csvRecords->count();
 
             return [$fileHeaders, $fileRowCount];
-
-        } catch(\League\Csv\SyntaxError $exception) {
+        } catch (\League\Csv\SyntaxError $exception) {
             Log::warning($exception->getMessage());
 
             return $this->addError(
-                'file_error', 
+                'file_error',
                 __('Your CSV file has error/errors, or is empty. Please check, and try again')
             );
         }

src/Concerns/InteractsWithCsvFiles.php

@@ -3,7 +3,6 @@
 namespace Coderflex\LaravelCsv\Concerns;
 
 use League\Csv\Reader;
-use Throwable;
 
 trait InteractsWithCsvFiles
 {
@@ -17,7 +16,7 @@ protected function readCSV(string $path): Reader
     {
         $stream = fopen($path, 'r');
         $csv = Reader::createFromStream($stream);
-        
+
         $csv->setHeaderOffset(0)
             ->skipEmptyRecords();
 

src/Http/Livewire/ImportCsv.php

@@ -53,7 +53,7 @@ public function updatedFile()
         $this->validateOnly('file');
 
         $this->setCsvProperties();
-        
+
         $this->resetValidation();
     }
 
@@ -95,7 +95,6 @@ protected function setCsvProperties()
             });
         })->validate();
 
-
         [$this->fileHeaders, $this->fileRowCount] = $this->handleCsvProperties();
     }
 

tests/ImportCsvTest.php

@@ -56,6 +56,22 @@
         ->assertHasErrors(['file_error']);
 });
 
+it('throws a validation error if the csv file has duplicate headers', function () {
+    $model = Customer::class;
+
+    $file = UploadedFile::fake()
+        ->createWithContent(
+            'customers.csv',
+            file_get_contents('stubs/file_with_duplicate_headers.csv', true)
+        );
+
+    livewire(ImportCsv::class, [
+        'model' => $model,
+    ])
+        ->set('file', $file)
+        ->assertSet('model', $model)
+        ->assertHasErrors(['file_error']);
+});
 
 it('transfers columnsToMap into an associative array', function () {
     $columnsToMap = [

tests/stubs/file_with_duplicate_headers.csv

@@ -0,0 +1,12 @@
+"first_name","first_name","last_name","email","company","vip","birthday","created_at","updated_at"
+1,asdf;lskadf,Haleigh,Ondricka,[email protected],Jaskolski-Hill,1,"1927-02-16","2022-07-26 13:41:40","2022-07-26 13:41:40"
+2,Emilia,Schiller,[email protected],Pagac Inc,1,"1975-12-21","2022-07-26 13:41:40","2022-07-26 13:41:40"
+3,Eric,Stamm,[email protected],Heller PLC,1,"1981-05-13","2022-07-26 13:41:40","2022-07-26 13:41:40"
+4,Cecelia,Schmeler,[email protected],Heaney LLC,1,"1943-04-30","2022-07-26 13:41:40","2022-07-26 13:41:40"
+5,Lewis,Metz,[email protected],Schowalter PLC,0,"1978-12-17","2022-07-26 13:41:40","2022-07-26 13:41:40"
+6,Asa,Carroll,[email protected],Windler Group,0,"2016-01-27","2022-07-26 13:41:40","2022-07-26 13:41:40"
+6,Asa,Carroll,[email protected],Windler Group,0,"2016-01-27","2022-07-26 13:41:40","2022-07-26 13:41:40"
+7,Francesca,Thompson,[email protected],Ferry PLC,0,"2004-05-19","2022-07-26 13:41:40","2022-07-26 13:41:40"
+8,Crystal,Bode,[email protected],0,"1930-08-04","2022-07-26 13:41:40","2022-07-26 13:41:40"
+9,Dorian,Gislason,[email protected],Dooley-Conroy,1,"1975-03-13","2022-07-26 13:41:40","2022-07-26 13:41:40"
+@hotmail.com,Reinger LLC,0,"1972-11-08","2022-07-26 13:41:40","2022-07-26 13:41:40"