test: [IOCOM-1822] fims history export saga tests (#6677)

## Short description
addition of said tests

## List of changes proposed in this pull request
- required saga tests

## How to test
automated tests should pass

ts/features/fims/history/saga/__tests__/handleExportFimsHistorySaga.test.ts

@@ -0,0 +1,112 @@
+jest.mock("../../../common/analytics");
+import * as E from "fp-ts/Either";
+import { expectSaga, testSaga } from "redux-saga-test-plan";
+import { withRefreshApiCall } from "../../../../fastLogin/saga/utils";
+import { trackExportSucceeded } from "../../../common/analytics";
+import { FimsHistoryClient } from "../../api/client";
+import { fimsHistoryExport } from "../../store/actions";
+import { handleExportFimsHistorySaga } from "../handleExportFimsHistorySaga";
+
+describe("handleExportFimsHistorySaga", () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+    jest.resetAllMocks();
+  });
+  type ResponseType = Awaited<ReturnType<FimsHistoryClient["requestExport"]>>;
+  const mockBearerToken = "mockBearerToken";
+  const mockAction = fimsHistoryExport.request();
+
+  it("should correctly pass the bearerToken to the client, dispatch success with payload 'SUCCESS' and track the export success when status is 202", () => {
+    const response = E.right({ status: 202 }) as ResponseType;
+
+    const resultPromise = Promise.resolve(response);
+    const mockClient = jest.fn(() => resultPromise);
+    testSaga(
+      handleExportFimsHistorySaga,
+      mockClient,
+      mockBearerToken,
+      mockAction
+    )
+      .next()
+      .call(withRefreshApiCall, resultPromise, mockAction)
+      .next(response)
+      .put(fimsHistoryExport.success("SUCCESS"))
+      .next()
+      .isDone();
+
+    expect(mockClient).toHaveBeenCalledWith({
+      Bearer: `Bearer ${mockBearerToken}`
+    });
+    expect(trackExportSucceeded).toHaveBeenCalledTimes(1);
+  });
+  it('should dispatch success with payload "ALREADY_EXPORTING", but not track an export success when status is 409 ', () => {
+    const response = E.right({ status: 409 }) as ResponseType;
+
+    const resultPromise = Promise.resolve(response);
+    const mockClient = jest.fn(() => resultPromise);
+    testSaga(
+      handleExportFimsHistorySaga,
+      mockClient,
+      mockBearerToken,
+      mockAction
+    )
+      .next()
+      .call(withRefreshApiCall, resultPromise, mockAction)
+      .next(response)
+      .put(fimsHistoryExport.success("ALREADY_EXPORTING"))
+      .next()
+      .isDone();
+    expect(trackExportSucceeded).toHaveBeenCalledTimes(0);
+  });
+  it("should dispatch failure when status is anything else ", () => {
+    const response = E.right({ status: 418 }) as ResponseType;
+
+    const resultPromise = Promise.resolve(response);
+    const mockClient = jest.fn(() => resultPromise);
+    testSaga(
+      handleExportFimsHistorySaga,
+      mockClient,
+      mockBearerToken,
+      mockAction
+    )
+      .next()
+      .call(withRefreshApiCall, resultPromise, mockAction)
+      .next(response)
+      .put(fimsHistoryExport.failure())
+      .next()
+      .isDone();
+  });
+  it("should dispatch failure when decoding fails", () => {
+    const response = E.left({ status: 202 }) as ResponseType;
+
+    const resultPromise = Promise.resolve(response);
+    const mockClient = jest.fn(() => resultPromise);
+    testSaga(
+      handleExportFimsHistorySaga,
+      mockClient,
+      mockBearerToken,
+      mockAction
+    )
+      .next()
+      .call(withRefreshApiCall, resultPromise, mockAction)
+      .next(response)
+      .put(fimsHistoryExport.failure())
+      .next()
+      .isDone();
+  });
+  it("should dispatch failure when  promise is rejected", async () => {
+    const response = E.right({ status: 202 }) as ResponseType;
+
+    const resultPromise = Promise.reject(response);
+    const mockClient = jest.fn(() => resultPromise);
+
+    return expectSaga(
+      handleExportFimsHistorySaga,
+      mockClient,
+      mockBearerToken,
+      mockAction
+    )
+      .put(fimsHistoryExport.failure())
+      .run();
+  });
+});