Fix tests

src/renderer/Interfaces.ts

@@ -1,4 +1,17 @@
-import { ITerminal, ITerminalOptions } from '../Interfaces';
+import { ITerminal, ITerminalOptions, ITheme } from '../Interfaces';
+
+export interface IRenderer {
+  setTheme(theme: ITheme): IColorSet;
+  onResize(cols: number, rows: number): void;
+  onCharSizeChanged(charWidth: number, charHeight: number): void;
+  onBlur(): void;
+  onFocus(): void;
+  onSelectionChanged(start: [number, number], end: [number, number]): void;
+  onCursorMove(): void;
+  onOptionsChanged(): void;
+  clear(): void;
+  queueRefresh(start: number, end: number): void;
+}
 
 export interface IRenderLayer {
   /**

src/renderer/Renderer.ts

@@ -11,9 +11,9 @@ import { SelectionRenderLayer } from './SelectionRenderLayer';
 import { CursorRenderLayer } from './CursorRenderLayer';
 import { ColorManager } from './ColorManager';
 import { BaseRenderLayer } from './BaseRenderLayer';
-import { IRenderLayer, IColorSet } from './Interfaces';
+import { IRenderLayer, IColorSet, IRenderer } from './Interfaces';
 
-export class Renderer {
+export class Renderer implements IRenderer {
   /** A queue of the rows to be refreshed */
   private _refreshRowsQueue: {start: number, end: number}[] = [];
   private _refreshAnimationFrame = null;