fix(ui): retry all fetch GET calls

ui/src/Common/Fetch.js

@@ -1,12 +1,26 @@
 import merge from "lodash/merge";
 
+import promiseRetry from "promise-retry";
+
 const CommonOptions = {
   credentials: "include",
   redirect: "follow"
 };
 
-const FetchGet = async (uri, options) =>
-  await fetch(uri, merge({}, { method: "GET" }, CommonOptions, options));
+const FetchRetryConfig = {
+  retries: 5,
+  minTimeout: 1000,
+  maxTimeout: 5000
+};
+
+const FetchGet = async (uri, options, retryOptions) =>
+  await promiseRetry(
+    (retry, number) =>
+      fetch(uri, merge({}, { method: "GET" }, CommonOptions, options)).catch(
+        retry
+      ),
+    FetchRetryConfig
+  );
 
 const FetchPost = async (uri, options) =>
   await fetch(uri, merge({}, { method: "POST" }, CommonOptions, options));
@@ -14,4 +28,4 @@ const FetchPost = async (uri, options) =>
 const FetchDelete = async (uri, options) =>
   await fetch(uri, merge({}, { method: "DELETE" }, CommonOptions, options));
 
-export { CommonOptions, FetchGet, FetchPost, FetchDelete };
+export { CommonOptions, FetchGet, FetchPost, FetchDelete, FetchRetryConfig };

ui/src/Components/ManagedSilence/DeleteSilence.test.js

@@ -18,7 +18,7 @@ beforeEach(() => {
   silenceFormStore = new SilenceFormStore();
   cluster = "am";
   silence = MockSilence();
-  fetch.mockResponseOnce(JSON.stringify(MockAPIResponse()));
+  fetch.mockResponse(JSON.stringify(MockAPIResponse()));
 
   alertStore.data.upstreams = {
     instances: [
@@ -127,8 +127,9 @@ describe("<DeleteSilenceModalContent />", () => {
     expect(tree.find("LabelSetList")).toHaveLength(1);
   });
 
-  it("fetches affected alerts on mount", () => {
-    MountedDeleteSilenceModalContent();
+  it("fetches affected alerts on mount", async () => {
+    const tree = MountedDeleteSilenceModalContent();
+    await expect(tree.instance().previewState.fetch).resolves.toBeUndefined();
     expect(fetch).toHaveBeenCalled();
   });
 

ui/src/Components/NavBar/FilterInput/index.test.js

@@ -196,14 +196,14 @@ describe("<FilterInput Autosuggest />", () => {
   });
 
   it("handles failed suggestion fetches", async () => {
-    fetch.mockRejectOnce("Fetch error");
+    fetch.mockReject("Fetch error");
 
     const tree = MountedInput();
     const instance = tree.instance();
     tree.find("input").simulate("change", { target: { value: "bar" } });
     await WaitForFetch(tree);
 
-    expect(fetch.mock.calls).toHaveLength(1);
+    expect(fetch.mock.calls).toHaveLength(6);
     expect(fetch.mock.calls[0]).toContain("./autocomplete.json?term=bar");
     expect(instance.inputStore.suggestions).toHaveLength(0);
   });

ui/src/Stores/AlertStore.js

@@ -8,8 +8,6 @@ import qs from "qs";
 
 import moment from "moment";
 
-import promiseRetry from "promise-retry";
-
 import { FetchGet } from "Common/Fetch";
 
 const QueryStringEncodeOptions = {
@@ -260,11 +258,6 @@ class AlertStore {
 
   constructor(initialFilters) {
     this.filters.setFilters(initialFilters);
-    this.retryConfig = {
-      retries: 5,
-      minTimeout: 1000,
-      maxTimeout: 5000
-    };
   }
 
   fetch = action((sortOrder, sortLabel, sortReverse) => {
@@ -275,9 +268,7 @@ class AlertStore {
         `alerts.json?sortOrder=${sortOrder}&sortLabel=${sortLabel}&sortReverse=${sortReverse}&`
       ) + FormatAPIFilterQuery(this.filters.values.map(f => f.raw));
 
-    return promiseRetry((retry, number) => {
-      return FetchGet(alertsURI, {}).catch(retry);
-    }, this.retryConfig)
+    return FetchGet(alertsURI, {})
       .then(result => {
         this.status.setProcessing();
         return result.json();

ui/src/setupTests.js

@@ -1,6 +1,8 @@
 import Enzyme from "enzyme";
 import Adapter from "enzyme-adapter-react-16";
 
+import { FetchRetryConfig } from "Common/Fetch";
+
 // https://github.com/airbnb/enzyme
 Enzyme.configure({ adapter: new Adapter() });
 
@@ -27,3 +29,6 @@ for (const level of ["error", "warn", "info", "log", "trace"]) {
     }
   };
 }
+
+FetchRetryConfig.minTimeout = 2;
+FetchRetryConfig.maxTimeout = 10;