fune/devtools/client/shared/redux/middleware/test/test_middleware-task-03.js
2016-05-17 23:20:14 +02:00

37 lines
1.2 KiB
JavaScript

/* 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/. */
const { createStore, applyMiddleware } = require("devtools/client/shared/vendor/redux");
const { task, ERROR_TYPE } = require("devtools/client/shared/redux/middleware/task");
/**
* Tests that the middleware handles errors thrown in tasks, and rejected promises.
*/
function run_test() {
run_next_test();
}
add_task(function* () {
let store = applyMiddleware(task)(createStore)(reducer);
store.dispatch(generatorError());
yield waitUntilState(store, () => store.getState().length === 1);
equal(store.getState()[0].type, ERROR_TYPE, "generator errors dispatch ERROR_TYPE actions");
equal(store.getState()[0].error, "task-middleware-error-generator", "generator errors dispatch ERROR_TYPE actions with error");
});
function generatorError() {
return function* (dispatch, getState) {
throw "task-middleware-error-generator";
};
}
function reducer(state = [], action) {
do_print("Action called: " + action.type);
if (action.type === ERROR_TYPE) {
state.push(action);
}
return [...state];
}