diff options
Diffstat (limited to 'devtools/client/shared/redux/middleware/test')
6 files changed, 219 insertions, 0 deletions
diff --git a/devtools/client/shared/redux/middleware/test/.eslintrc.js b/devtools/client/shared/redux/middleware/test/.eslintrc.js new file mode 100644 index 000000000..0d12cd9a3 --- /dev/null +++ b/devtools/client/shared/redux/middleware/test/.eslintrc.js @@ -0,0 +1,17 @@ +"use strict"; + +module.exports = { + // Extend from the shared list of defined globals for mochitests. + "extends": "../../../../../.eslintrc.mochitests.js", + "globals": { + "run_test": true, + "run_next_test": true, + "equal": true, + "do_print": true, + "waitUntilState": true + }, + "rules": { + // Stop giving errors for run_test + "camelcase": "off" + } +}; diff --git a/devtools/client/shared/redux/middleware/test/head.js b/devtools/client/shared/redux/middleware/test/head.js new file mode 100644 index 000000000..1e5cbff7a --- /dev/null +++ b/devtools/client/shared/redux/middleware/test/head.js @@ -0,0 +1,27 @@ +/* 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/. */ + +/* exported waitUntilState */ + +"use strict"; + +const { require } = Components.utils.import("resource://devtools/shared/Loader.jsm", {}); +const flags = require("devtools/shared/flags"); + +flags.testing = true; + +function waitUntilState(store, predicate) { + return new Promise(resolve => { + let unsubscribe = store.subscribe(check); + function check() { + if (predicate(store.getState())) { + unsubscribe(); + resolve(); + } + } + + // Fire the check immediately incase the action has already occurred + check(); + }); +} diff --git a/devtools/client/shared/redux/middleware/test/test_middleware-task-01.js b/devtools/client/shared/redux/middleware/test/test_middleware-task-01.js new file mode 100644 index 000000000..be94560cb --- /dev/null +++ b/devtools/client/shared/redux/middleware/test/test_middleware-task-01.js @@ -0,0 +1,56 @@ +/* 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]; +} diff --git a/devtools/client/shared/redux/middleware/test/test_middleware-task-02.js b/devtools/client/shared/redux/middleware/test/test_middleware-task-02.js new file mode 100644 index 000000000..7e2a88d2c --- /dev/null +++ b/devtools/client/shared/redux/middleware/test/test_middleware-task-02.js @@ -0,0 +1,67 @@ +/* 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]; +} diff --git a/devtools/client/shared/redux/middleware/test/test_middleware-task-03.js b/devtools/client/shared/redux/middleware/test/test_middleware-task-03.js new file mode 100644 index 000000000..7dc0e5c9d --- /dev/null +++ b/devtools/client/shared/redux/middleware/test/test_middleware-task-03.js @@ -0,0 +1,42 @@ +/* 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, 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) { + let error = "task-middleware-error-generator"; + throw error; + }; +} + +function reducer(state = [], action) { + do_print("Action called: " + action.type); + if (action.type === ERROR_TYPE) { + state.push(action); + } + return [...state]; +} diff --git a/devtools/client/shared/redux/middleware/test/xpcshell.ini b/devtools/client/shared/redux/middleware/test/xpcshell.ini new file mode 100644 index 000000000..3836ed1fd --- /dev/null +++ b/devtools/client/shared/redux/middleware/test/xpcshell.ini @@ -0,0 +1,10 @@ +[DEFAULT] +tags = devtools +head = head.js +tail = +firefox-appdir = browser +skip-if = toolkit == 'android' + +[test_middleware-task-01.js] +[test_middleware-task-02.js] +[test_middleware-task-03.js] |