added CommonGenerator

src/lib/mock-observations/helpers/CommonGenerator.ts

@@ -0,0 +1,28 @@
+import { Generator } from '../interfaces';
+
+class CommonGenerator implements Generator {
+	private name: String;
+	private generateObject: Object;
+
+	initialise(name: String, config:Object): void {
+		this.name = this.validateName(name);
+		// TODO PB -- validate config is not null, not empty and a valid yml object, use yaml.parse(input)
+		// TODO PB -- object immutabilty - copy by value here
+		this.generateObject = config;
+	}
+
+	next(historical: Object[]): Object {
+		// TODO PB -- object immutabilty - copy by value here
+		return this.generateObject
+	}
+
+	private validateName(name: String | null): String {
+		if (name === null || name.trim() === '') {
+			// TODO PB - custom / more specific error?
+			throw new Error('name is empty or null');
+		}
+		return name;
+	}
+}
+
+export default CommonGenerator;

src/lib/mock-observations/index.ts

@@ -4,23 +4,33 @@
 // import {ERRORS} from '../../util/errors';
 import {buildErrorMessage} from '../../util/helpers';
 
-import {KeyValuePair, ModelParams} from '../../types/common';
+import {ModelParams} from '../../types/common';
 import {ModelPluginInterface} from '../../interfaces';
 
 // const {AuthorizationError, InputValidationError, APIRequestError} = ERRORS;
 
 export class MockObservations implements ModelPluginInterface {
   staticParams: object | undefined;
-  errorBuilder = buildErrorMessage(WattTimeGridEmissions);
+  errorBuilder = buildErrorMessage(MockObservations);
 
   async authenticate(authParams: object): Promise<void> {
+	  // TODO PB -- remove dummy line
+	  this.staticParams = authParams;
+	  // return authParams;
   }
 
   async execute(inputs: ModelParams[]): Promise<ModelParams[]> {
+	  // TODO PB -- remove dummy line
+	  this.staticParams = inputs;
+	  // TODO PB -- remove dummy line
+	  return inputs;
   }
 
   async configure(
     staticParams: object | undefined
   ): Promise<ModelPluginInterface> {
+	  // TODO PB -- remove dummy line
+	  this.staticParams = staticParams;
+	  return this;
   }
 }