Add operator tests

1 files changed, 15 insertions, 0 deletions

diff --git a/test/background/mock/MockZoomPresenter.ts b/test/background/mock/MockZoomPresenter.ts
new file mode 100644
index 0000000..a1ca100
--- /dev/null
+++ b/test/background/mock/MockZoomPresenter.ts
@@ -0,0 +1,15 @@
+import ZoomPresenter from "../../../src/background/usecases/ZoomPresenter";
+
+export default class MockZoomPresenter implements ZoomPresenter {
+  resetZoom(): Promise<void> {
+    throw new Error("not implemented");
+  }
+
+  zoomIn(): Promise<void> {
+    throw new Error("not implemented");
+  }
+
+  zoomOut(): Promise<void> {
+    throw new Error("not implemented");
+  }
+}