fix: change service generator ds to uppercase

Co-authored-by: Biniam Admikew <binadmt@hotmail.com>

Author: nabdelgadir

packages/cli/generators/service/index.js

@@ -83,7 +83,7 @@ module.exports = class ServiceGenerator extends ArtifactGenerator {
     let cmdDatasourceName;
     let datasourcesList;
 
-    // grab the datasourcename from the command line
+    // grab the datasource name from the command line
     cmdDatasourceName = this.options.datasource
       ? utils.toClassName(this.options.datasource) + 'Datasource'
       : '';

packages/cli/generators/service/templates/service-template.ts.ejs

@@ -12,7 +12,7 @@ export class <%= className %>ServiceProvider implements Provider<<%= className %
   constructor(
     // <%= dataSourceName %> must match the name property in the datasource json file
     @inject('datasources.<%= dataSourceName %>')
-    protected dataSource: <%= dataSourceName %>DataSource = new <%= dataSourceClassName %>(),
+    protected dataSource: <%= dataSourceClassName %> = new <%= dataSourceClassName %>(),
   ) {}
 
   value(): Promise<<%= className %>Service> {

packages/cli/test/integration/generators/service.integration.js

@@ -86,7 +86,7 @@ describe('lb4 service', () => {
       );
       assert.fileContent(
         expectedFile,
-        /dataSource: mydsDataSource = new MydsDataSource\(\),/,
+        /dataSource: MydsDataSource = new MydsDataSource\(\),/,
       );
       assert.fileContent(
         expectedFile,