feat: Add reload to useCollection

Author: oliverroick

src/hooks/useCollection.test.ts

@@ -1,5 +1,5 @@
 import fetch from 'jest-fetch-mock';
-import { renderHook } from '@testing-library/react-hooks';
+import { renderHook, act } from '@testing-library/react-hooks';
 import useCollection from './useCollection';
 import wrapper from './wrapper';
 
@@ -88,4 +88,34 @@ describe('useCollection' ,() => {
       detail: 'Wrong query'
     });
   });
+
+  it('reloads collection', async () => {
+    fetch
+      .mockResponseOnce(JSON.stringify({ links: [] }), { url: 'https://fake-stac-api.net' })
+      .mockResponseOnce(JSON.stringify({
+        collections: [
+          {id: 'abc', title: 'Collection A'},
+          {id: 'def', title: 'Collection B'}
+        ]
+      }))
+      .mockResponseOnce(JSON.stringify({
+        collections: [
+          {id: 'abc', title: 'Collection A - Updated'},
+          {id: 'def', title: 'Collection B'}
+        ]
+      }));
+
+    const { result, waitForNextUpdate } = renderHook(
+      () => useCollection('abc'),
+      { wrapper }
+    );
+    await waitForNextUpdate();
+    await waitForNextUpdate();
+    expect(result.current.collection).toEqual({id: 'abc', title: 'Collection A'});
+
+    act(() => result.current.reload());
+
+    await waitForNextUpdate();
+    expect(result.current.collection).toEqual({id: 'abc', title: 'Collection A - Updated'});
+  });
 });

src/hooks/useCollection.ts

@@ -7,11 +7,12 @@ import useCollections from './useCollections';
 type StacCollectionHook = {
   collection?: Collection,
   state: LoadingState,
-  error?: ApiError
+  error?: ApiError,
+  reload: () => void
 };
 
 function useCollection(collectionId: string): StacCollectionHook {
-  const { collections, state, error: requestError } = useCollections();
+  const { collections, state, error: requestError, reload } = useCollections();
   const [ error, setError ] = useState<ApiError>();
 
   useEffect(() => {
@@ -36,7 +37,8 @@ function useCollection(collectionId: string): StacCollectionHook {
   return {
     collection,
     state,
-    error
+    error,
+    reload
   };
 }