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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
/**
* Tests that task middleware allows dispatching generators that dispatch
* additional sync and async actions.
*/
const { createStore, applyMiddleware } = require("devtools/client/shared/vendor/redux");
const { task } = require("devtools/client/shared/redux/middleware/task");
function run_test() {
run_next_test();
}
add_task(function* () {
let store = applyMiddleware(task)(createStore)(reducer);
store.dispatch(comboAction());
yield waitUntilState(store, () => store.getState().length === 3);
equal(store.getState()[0].type, "fetchAsync-start",
"Async dispatched actions in a generator task are fired");
equal(store.getState()[1].type, "fetchAsync-end",
"Async dispatched actions in a generator task are fired");
equal(store.getState()[2].type, "fetchSync",
"Return values of yielded sync dispatched actions are correct");
equal(store.getState()[3].type, "fetch-done",
"Return values of yielded async dispatched actions are correct");
equal(store.getState()[3].data.sync.data, "sync",
"Return values of dispatched sync values are correct");
equal(store.getState()[3].data.async, "async",
"Return values of dispatched async values are correct");
});
function comboAction() {
return function* (dispatch, getState) {
let data = {};
data.async = yield dispatch(fetchAsync("async"));
data.sync = yield dispatch(fetchSync("sync"));
dispatch({ type: "fetch-done", data });
};
}
function fetchSync(data) {
return { type: "fetchSync", data };
}
function fetchAsync(data) {
return function* (dispatch) {
dispatch({ type: "fetchAsync-start" });
let val = yield new Promise(resolve => resolve(data));
dispatch({ type: "fetchAsync-end" });
return val;
};
}
function reducer(state = [], action) {
do_print("Action called: " + action.type);
if (/fetch/.test(action.type)) {
state.push(action);
}
return [...state];
}
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