Added tests and updated missing files message.

Author: tomcra

lib/src/installer/completion_installation.dart

@@ -275,6 +275,7 @@ class CompletionInstallation {
   }
 
 
+  final _missingFiles = <String>[];
   String? __shellRCFilePath;
   String get _shellRCFilePath {
     String? firstPath;
@@ -286,6 +287,7 @@ class CompletionInstallation {
           __shellRCFilePath = filePath;
           return __shellRCFilePath!;
         }
+        _missingFiles.add(filePath);
       }
       __shellRCFilePath = firstPath;
     }
@@ -305,9 +307,16 @@ class CompletionInstallation {
 
     final shellRCFile = File(_shellRCFilePath);
     if (!shellRCFile.existsSync()) {
+      var message = '';
+      if(_missingFiles.length > 1){
+        message = 'No configuration files where found at '
+        '\n  ${_missingFiles.join('\n  ')}';
+      }else{
+        message = 'No configuration file found at ${shellRCFile.path}';
+      }
       throw CompletionInstallationException(
         rootCommand: rootCommand,
-        message: 'No configuration file found at ${shellRCFile.path}',
+        message: message,
       );
     }
 

test/src/installer/completion_installation_test.dart

@@ -794,6 +794,38 @@ void main() {
         },
       );
 
+      test(
+        'missing .bashrc and .bash_profile',
+            () {
+
+          final bashInstallation = CompletionInstallation(
+            logger: logger,
+            isWindows: false,
+            environment: {
+              'HOME': tempDir.path,
+            },
+            configuration: bashConfiguration,
+          );
+
+          final configDir = bashInstallation.completionConfigDir;
+
+          const exceptionsMessage = '';
+
+          expect(
+                () => bashInstallation.install('very_good'),
+            throwsA(
+              isA<CompletionInstallationException>().having(
+                    (e) => e.message,
+                'message',
+                'No configuration files where found at '
+                    '\n  ${path.join(tempDir.path, '.bashrc')}'
+                    '\n  ${path.join(tempDir.path, '.bash_profile')}',
+              ),
+            ),
+          );
+
+        },
+      );
     });
 
     group('uninstall', () {