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Refactor of redux tests to avoid covering RTK implementation details

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This commit is contained in:
Alejandro Celaya
2023-03-18 12:35:33 +01:00
parent 9cefdb7977
commit 4e8e16f16d
21 changed files with 222 additions and 730 deletions
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37
test/servers/reducers/selectedServer.test.ts
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@@ -23,18 +23,12 @@ describe('selectedServerReducer', () => {
describe('reducer', () => {
it('returns default when action is RESET_SELECTED_SERVER', () =>
expect(reducer(null, { type: resetSelectedServer.toString(), payload: null })).toBeNull());
expect(reducer(null, resetSelectedServer())).toBeNull());
it('returns selected server when action is SELECT_SERVER', () => {
const payload = Mock.of<RegularServer>({ id: 'abc123' });
expect(reducer(null, { type: selectServer.fulfilled.toString(), payload })).toEqual(payload);
});
});
describe('resetSelectedServer', () => {
it('returns proper action', () => {
expect(resetSelectedServer()).toEqual({ type: resetSelectedServer.toString() });
expect(reducer(null, selectServer.fulfilled(payload, '', ''))).toEqual(payload);
});
});
@@ -63,23 +57,10 @@ describe('selectedServerReducer', () => {
await selectServer(id)(dispatch, getState, {});
expect(dispatch).toHaveBeenCalledTimes(3);
expect(dispatch).toHaveBeenNthCalledWith(1, expect.objectContaining({ type: selectServer.pending.toString() }));
expect(dispatch).toHaveBeenNthCalledWith(2, expect.objectContaining({ type: resetSelectedServer.toString() }));
expect(dispatch).toHaveBeenNthCalledWith(3, expect.objectContaining({
type: selectServer.fulfilled.toString(),
payload: expectedSelectedServer,
}));
});
it('invokes dependencies', async () => {
const id = uuid();
const getState = createGetStateMock(id);
await selectServer(id)(jest.fn(), getState, {});
expect(getState).toHaveBeenCalledTimes(1);
expect(buildApiClient).toHaveBeenCalledTimes(1);
expect(dispatch).toHaveBeenCalledTimes(3); // "Pending", "reset" and "fulfilled"
expect(dispatch).toHaveBeenLastCalledWith(expect.objectContaining({ payload: expectedSelectedServer }));
});
it('dispatches error when health endpoint fails', async () => {
@@ -92,10 +73,7 @@ describe('selectedServerReducer', () => {
await selectServer(id)(dispatch, getState, {});
expect(health).toHaveBeenCalled();
expect(dispatch).toHaveBeenNthCalledWith(3, expect.objectContaining({
type: selectServer.fulfilled.toString(),
payload: expectedSelectedServer,
}));
expect(dispatch).toHaveBeenLastCalledWith(expect.objectContaining({ payload: expectedSelectedServer }));
});
it('dispatches error when server is not found', async () => {
@@ -107,10 +85,7 @@ describe('selectedServerReducer', () => {
expect(getState).toHaveBeenCalled();
expect(health).not.toHaveBeenCalled();
expect(dispatch).toHaveBeenNthCalledWith(3, expect.objectContaining({
type: selectServer.fulfilled.toString(),
payload: expectedSelectedServer,
}));
expect(dispatch).toHaveBeenLastCalledWith(expect.objectContaining({ payload: expectedSelectedServer }));
});
});