3 files changed, 101 insertions, 2 deletions
diff --git a/src/tests/App.test.tsx b/src/tests/App.test.tsx
index 9ee1ec7..aec6be4 100644
--- a/src/tests/App.test.tsx
+++ b/src/tests/App.test.tsx
@@ -1,11 +1,12 @@
 import React from "react";
-import {act, render, waitFor} from "@testing-library/react";
+import {act, waitFor} from "@testing-library/react";
+import { renderWithProviders } from "./utils";
 
 import App from "../App";
 
 test("renders app to body", async () => {
     await act(async () => {
-        const {container} = render(<App/>);
+        const {container} = renderWithProviders(<App/>);
         await waitFor(() => {
             expect(container).toBeInTheDocument();
         });
diff --git a/src/tests/components/AuthorizationSplash.test.tsx b/src/tests/components/AuthorizationSplash.test.tsx
new file mode 100644
index 0000000..7f44ba4
--- /dev/null
+++ b/src/tests/components/AuthorizationSplash.test.tsx
@@ -0,0 +1,62 @@
+/** @jsx jsx */
+import { jsx } from "@emotion/react";
+import { renderWithProviders } from "../utils";
+import AuthorizationSplash from "../../components/AuthorizationSplash";
+import { finishAuthorizing } from "../../slices/authorization";
+import { act } from "@testing-library/react";
+
+test("authorization splash is hidden when not authorizing", () => {
+    const { container } = renderWithProviders(<AuthorizationSplash />);
+    const splash = container.firstElementChild;
+
+    expect(splash).not.toBe(null);
+
+    if (splash) {
+        const style = window.getComputedStyle(splash);
+        expect(style.opacity).toBe("0");
+    }
+});
+
+test("authorization splash is visible when authorizing state is set", () => {
+    const { container } = renderWithProviders(<AuthorizationSplash />, {
+        preloadedState: {
+            authorization: {
+                authorizing: true
+            }
+        }
+    });
+    const splash = container.firstElementChild;
+
+    expect(splash).not.toBe(null);
+
+    if (splash) {
+        const style = window.getComputedStyle(splash);
+        expect(style.opacity).toBe("1");
+    }
+});
+
+test("test state transitions when authorization completes", () => {
+    const { store, container } = renderWithProviders(<AuthorizationSplash />, {
+        preloadedState: {
+            authorization: {
+                authorizing: true
+            }
+        }
+    });
+
+    const splash = container.firstElementChild;
+
+    expect(splash).not.toBe(null);
+
+    if (splash) {
+        let style = window.getComputedStyle(splash);
+        expect(style.opacity).toBe("1");
+
+        act(() => {
+            store.dispatch(finishAuthorizing());
+        });
+
+        style = window.getComputedStyle(splash);
+        expect(style.opacity).toBe("0");
+    }
+});
diff --git a/src/tests/utils.tsx b/src/tests/utils.tsx
new file mode 100644
index 0000000..011291a
--- /dev/null
+++ b/src/tests/utils.tsx
@@ -0,0 +1,36 @@
+/** @jsx jsx */
+import { jsx } from "@emotion/react";
+import { PropsWithChildren } from "react";
+import { render } from "@testing-library/react";
+import type { RenderOptions } from "@testing-library/react";
+import { Provider } from "react-redux";
+
+import type { AppStore, RootState } from "../store";
+import { setupStore } from "../store";
+
+interface ExtendedRenderOptions extends Omit<RenderOptions, "queries"> {
+  preloadedState?: Partial<RootState>
+  store?: AppStore
+}
+
+export function renderWithProviders(
+    ui: React.ReactElement,
+    extendedRenderOptions: ExtendedRenderOptions = {}
+) {
+    const {
+        preloadedState = {},
+        // Automatically create a store instance if no store was passed in
+        store = setupStore(preloadedState),
+        ...renderOptions
+    } = extendedRenderOptions;
+
+    const Wrapper = ({ children }: PropsWithChildren) => (
+        <Provider store={store}>{children}</Provider>
+    );
+
+    // Return an object with the store and all of RTL"s query functions
+    return {
+        store,
+        ...render(ui, { wrapper: Wrapper, ...renderOptions })
+    };
+}