use csv formatter for generating csv

Author: tharsheblows

exporters/class-exporter-csv.php

@@ -38,12 +38,18 @@ public function output_file( $data, $columns ) {
 			header( 'Content-Disposition: attachment; filename="stream.csv"' );
 		}
 
-		$output = join( ',', array_values( $columns ) ) . "\n";
+		ob_start();
+
+		$csv = fopen( 'php://output', 'w' );
+		fputcsv( $csv, array_values( $columns ) );
+
 		foreach ( $data as $row ) {
-			$output .= join( ',', $row ) . "\n";
+			fputcsv( $csv, $row );
 		}
+		fclose( $csv ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fclose
+
+		echo ob_get_clean(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
 
-		echo $output; // @codingStandardsIgnoreLine text-only output
 		if ( ! defined( 'WP_STREAM_TESTS' ) || ( defined( 'WP_STREAM_TESTS' ) && ! WP_STREAM_TESTS ) ) {
 			exit;
 		}

playwright-report/index.html

@@ -0,0 +1,7 @@
+{
+  "status": "failed",
+  "failedTests": [
+    "ccac176be2dd67697c22-b209136356c5d91f37c8",
+    "ccac176be2dd67697c22-700362d9db1016336ce0"
+  ]
+}

test-results/.last-run.json

@@ -43,7 +43,7 @@ public function test_render_download() {
 		$output = ob_get_clean();
 
 		$this->assertNotEmpty( $output );
-		$this->assertStringStartsWith( 'Date,Summary,User,Connector,Context,Action,IP Address', $output );
+		$this->assertStringStartsWith( 'Date,Summary,User,Connector,Context,Action,"IP Address"', $output );
 
 		unset( $_GET['action'] );
 	}