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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";
const { createStore, applyMiddleware } = require("devtools/client/shared/vendor/redux");
const { task } = require("devtools/client/shared/redux/middleware/task");
/**
* Tests that task middleware allows dispatching generators, promises and objects
* that return actions;
*/
function run_test() {
run_next_test();
}
add_task(function* () {
let store = applyMiddleware(task)(createStore)(reducer);
store.dispatch(fetch1("generator"));
yield waitUntilState(store, () => store.getState().length === 1);
equal(store.getState()[0].data, "generator",
"task middleware async dispatches an action via generator");
store.dispatch(fetch2("sync"));
yield waitUntilState(store, () => store.getState().length === 2);
equal(store.getState()[1].data, "sync",
"task middleware sync dispatches an action via sync");
});
function fetch1(data) {
return function* (dispatch, getState) {
equal(getState().length, 0, "`getState` is accessible in a generator action");
let moreData = yield new Promise(resolve => resolve(data));
// Ensure it handles more than one yield
moreData = yield new Promise(resolve => resolve(data));
dispatch({ type: "fetch1", data: moreData });
};
}
function fetch2(data) {
return {
type: "fetch2",
data
};
}
function reducer(state = [], action) {
do_print("Action called: " + action.type);
if (["fetch1", "fetch2"].includes(action.type)) {
state.push(action);
}
return [...state];
}
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