1 files changed, 56 insertions, 0 deletions
diff --git a/test/background/operators/impls/RepeatLastOperator.test.ts b/test/background/operators/impls/RepeatLastOperator.test.ts
new file mode 100644
index 0000000..57f1227
--- /dev/null
+++ b/test/background/operators/impls/RepeatLastOperator.test.ts
@@ -0,0 +1,56 @@
+import RepeatLastOperator from "../../../../src/background/operators/impls/RepeatLastOperator";
+import MockRepeatRepository from "../../mock/MockRepeatRepository";
+import OperatorFactory from "../../../../src/background/operators/OperatorFactory";
+import * as operations from "../../../../src/shared/operations";
+import Operator from "../../../../src/background/operators/Operator";
+import sinon from "sinon";
+
+class MockOperatorFactory implements OperatorFactory {
+  create(_op: operations.Operation): Operator {
+    throw new Error("not implemented");
+  }
+}
+
+class MockOperator implements Operator {
+  run(): Promise<void> {
+    throw new Error("not implemented");
+  }
+}
+
+describe("RepeatLastOperator", () => {
+  describe("#run", () => {
+    it("repeat last operation", async () => {
+      const operator = new MockOperator();
+      const operatorMock = sinon.mock(operator).expects("run").once();
+      const repeatRepository = new MockRepeatRepository();
+      repeatRepository.setLastOperation({ type: operations.CANCEL });
+
+      const operatorFactory = new MockOperatorFactory();
+      const operatorFactoryMock = sinon
+        .mock(operatorFactory)
+        .expects("create")
+        .withArgs({ type: operations.CANCEL });
+      operatorFactoryMock.returns(operator);
+
+      const sut = new RepeatLastOperator(repeatRepository, operatorFactory);
+      await sut.run();
+
+      operatorFactoryMock.verify();
+      operatorMock.verify();
+    });
+
+    it("does nothing if no last operations", async () => {
+      const repeatRepository = new MockRepeatRepository();
+      const operatorFactory = new MockOperatorFactory();
+      const operatorFactoryMock = sinon
+        .mock(operatorFactory)
+        .expects("create")
+        .never();
+
+      const sut = new RepeatLastOperator(repeatRepository, operatorFactory);
+      await sut.run();
+
+      operatorFactoryMock.verify();
+    });
+  });
+});