文件操作 - reduxTester.ts

文件: /usr/share/grafana/public/test/core/redux/reduxTester.ts

编辑文件内容

import { Dispatch, Middleware, MiddlewareAPI } from 'redux';
import thunk, { ThunkMiddleware } from 'redux-thunk';
import { AnyAction, configureStore, EnhancedStore, Reducer, getDefaultMiddleware } from '@reduxjs/toolkit';

import { StoreState } from '../../../app/types';
import { setStore } from '../../../app/store/store';

export interface ReduxTesterGiven<State> {
  givenRootReducer: (rootReducer: Reducer<State>) => ReduxTesterWhen<State>;
}

export interface ReduxTesterWhen<State> {
  whenActionIsDispatched: (
    action: any,
    clearPreviousActions?: boolean
  ) => ReduxTesterWhen<State> & ReduxTesterThen<State>;
  whenAsyncActionIsDispatched: (
    action: any,
    clearPreviousActions?: boolean
  ) => Promise<ReduxTesterWhen<State> & ReduxTesterThen<State>>;
}

export interface ReduxTesterThen<State> {
  thenDispatchedActionsShouldEqual: (...dispatchedActions: AnyAction[]) => ReduxTesterWhen<State>;
  thenDispatchedActionsPredicateShouldEqual: (
    predicate: (dispatchedActions: AnyAction[]) => boolean
  ) => ReduxTesterWhen<State>;
  thenNoActionsWhereDispatched: () => ReduxTesterWhen<State>;
}

export interface ReduxTesterArguments<State> {
  preloadedState?: State;
  debug?: boolean;
}

export const reduxTester = <State>(args?: ReduxTesterArguments<State>): ReduxTesterGiven<State> => {
  const dispatchedActions: AnyAction[] = [];
  const logActionsMiddleWare: Middleware<{}, Partial<StoreState>> = (
    store: MiddlewareAPI<Dispatch, Partial<StoreState>>
  ) => (next: Dispatch) => (action: AnyAction) => {
    // filter out thunk actions
    if (action && typeof action !== 'function') {
      dispatchedActions.push(action);
    }

return next(action);
  };

const preloadedState = args?.preloadedState ?? (({} as unknown) as State);
  const debug = args?.debug ?? false;
  let store: EnhancedStore<State> | null = null;

const defaultMiddleware = getDefaultMiddleware<State>({
    thunk: false,
    serializableCheck: false,
    immutableCheck: false,
  } as any);

const givenRootReducer = (rootReducer: Reducer<State>): ReduxTesterWhen<State> => {
    store = configureStore<State>({
      reducer: rootReducer,
      middleware: [...defaultMiddleware, logActionsMiddleWare, thunk] as [ThunkMiddleware<State>],
      preloadedState,
    });

setStore(store as any);

return instance;
  };

const whenActionIsDispatched = (
    action: any,
    clearPreviousActions?: boolean
  ): ReduxTesterWhen<State> & ReduxTesterThen<State> => {
    if (clearPreviousActions) {
      dispatchedActions.length = 0;
    }

if (store === null) {
      throw new Error('Store was not setup properly');
    }

store.dispatch(action);
    return instance;
  };

const whenAsyncActionIsDispatched = async (
    action: any,
    clearPreviousActions?: boolean
  ): Promise<ReduxTesterWhen<State> & ReduxTesterThen<State>> => {
    if (clearPreviousActions) {
      dispatchedActions.length = 0;
    }

if (store === null) {
      throw new Error('Store was not setup properly');
    }

await store.dispatch(action);
    return instance;
  };

const thenDispatchedActionsShouldEqual = (...actions: AnyAction[]): ReduxTesterWhen<State> => {
    if (debug) {
      console.log('Dispatched Actions', JSON.stringify(dispatchedActions, null, 2));
    }

if (!actions.length) {
      throw new Error('thenDispatchedActionShouldEqual has to be called with at least one action');
    }

expect(dispatchedActions).toEqual(actions);
    return instance;
  };

const thenDispatchedActionsPredicateShouldEqual = (
    predicate: (dispatchedActions: AnyAction[]) => boolean
  ): ReduxTesterWhen<State> => {
    if (debug) {
      console.log('Dispatched Actions', JSON.stringify(dispatchedActions, null, 2));
    }

expect(predicate(dispatchedActions)).toBe(true);
    return instance;
  };

const thenNoActionsWhereDispatched = (): ReduxTesterWhen<State> => {
    if (debug) {
      console.log('Dispatched Actions', JSON.stringify(dispatchedActions, null, 2));
    }

expect(dispatchedActions.length).toBe(0);
    return instance;
  };

const instance = {
    givenRootReducer,
    whenActionIsDispatched,
    whenAsyncActionIsDispatched,
    thenDispatchedActionsShouldEqual,
    thenDispatchedActionsPredicateShouldEqual,
    thenNoActionsWhereDispatched,
  };

return instance;
};

文件操作 - reduxTester.ts

文件: /usr/share/grafana/public/test/core/redux/reduxTester.ts

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