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add currentStateIndex test

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This commit is contained in:
echenley 2016-02-10 11:36:35 -06:00
parent d231e4cffe
commit b2f79bc61f
1 changed files with 51 additions and 1 deletions
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52
test/instrument.spec.js
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@ -335,7 +335,7 @@ describe('instrument', () => {
expect(liftedStoreState.currentStateIndex).toBe(2); expect(liftedStoreState.currentStateIndex).toBe(2);
}); });
it('should handle skipped actions', () => { it('should remove skipped actions once committed', () => {
configuredStore.dispatch({ type: 'INCREMENT' }); configuredStore.dispatch({ type: 'INCREMENT' });
configuredLiftedStore.dispatch(ActionCreators.toggleAction(1)); configuredLiftedStore.dispatch(ActionCreators.toggleAction(1));
configuredStore.dispatch({ type: 'INCREMENT' }); configuredStore.dispatch({ type: 'INCREMENT' });
@ -382,6 +382,56 @@ describe('instrument', () => {
spy.restore(); spy.restore();
}); });
it('should update currentStateIndex when auto-committing', () => {
let spy = spyOn(console, 'error');
configuredStore.dispatch({ type: 'INCREMENT' });
configuredStore.dispatch({ type: 'INCREMENT' });
let liftedStoreState = configuredLiftedStore.getState();
expect(liftedStoreState.currentStateIndex).toBe(2);
configuredStore.dispatch({ type: 'INCREMENT' });
liftedStoreState = configuredLiftedStore.getState();
let currentComputedState = liftedStoreState.computedStates[liftedStoreState.currentStateIndex];
// currentStateIndex stays at 2 when an action is committed
expect(liftedStoreState.currentStateIndex).toBe(2);
expect(currentComputedState.state).toBe(3);
configuredStore.replaceReducer(counterWithBug);
configuredStore.dispatch({ type: 'DECREMENT' });
configuredStore.dispatch({ type: 'DECREMENT' });
configuredStore.dispatch({ type: 'DECREMENT' });
configuredStore.dispatch({ type: 'INCREMENT' });
configuredStore.dispatch({ type: 'INCREMENT' });
liftedStoreState = configuredLiftedStore.getState();
currentComputedState = liftedStoreState.computedStates[liftedStoreState.currentStateIndex];
// currentStateIndex continues to increment while non-committed action causes error
expect(liftedStoreState.currentStateIndex).toBe(5);
expect(currentComputedState.state).toBe(3);
expect(currentComputedState.error).toExist;
configuredStore.replaceReducer(counterWithAnotherBug);
liftedStoreState = configuredLiftedStore.getState();
currentComputedState = liftedStoreState.computedStates[liftedStoreState.currentStateIndex];
// currentStateIndex adjusts correctly when multiple actions are committed
expect(liftedStoreState.currentStateIndex).toBe(2);
expect(currentComputedState.state).toBe(0);
expect(currentComputedState.error).toExist;
configuredLiftedStore.dispatch(ActionCreators.jumpToState(0));
configuredStore.replaceReducer(counter);
liftedStoreState = configuredLiftedStore.getState();
// currentStateIndex stays at 0 as actions are committed
currentComputedState = liftedStoreState.computedStates[liftedStoreState.currentStateIndex];
expect(liftedStoreState.currentStateIndex).toBe(0);
expect(currentComputedState.state).toBe(0);
expect(currentComputedState.error).toNotExist;
spy.restore();
});
}); });
describe('Import State', () => { describe('Import State', () => {