|
|
@@ -0,0 +1,59 @@
|
|
|
+"use strict";
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+/*
|
|
|
+ * Helpers for testing Redux.
|
|
|
+ */
|
|
|
+
|
|
|
+var FINISHED = "@@test/SPYSHOULDBEFINISHED";
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates the middleware that checks if specified actions are dispatched.
|
|
|
+ * Use it like `const spy = spyInTheMiddle(fn1, fn2, ...), store = applyMiddleware(..., spy)(reducer);`.
|
|
|
+ * The fn1, ... get action in the parameter and should return truthy value if it is the expected one,
|
|
|
+ * in which case the expectation will be removed; and shoudl return falsy value if it can be ignored.
|
|
|
+ * For the moment, only first expectation in the list is checked until it returns true, then it is removed and the next one will be used,
|
|
|
+ * In case the action is invalid (like, it has right type but wrong payload), the expectation fn can (and should) throw,
|
|
|
+ * for example using the test assertion (in chai/expect, assertions are truthy, so your expectation fn can look like below)
|
|
|
+ *
|
|
|
+ * ({type, payload: {foo}}) => type == "FOOIFY" && expect(foo).to.equal("bar")
|
|
|
+ *
|
|
|
+ * All actions are passed downstream, unless you threw.
|
|
|
+ *
|
|
|
+ * @param expectations
|
|
|
+ */
|
|
|
+var spyInTheMiddle = exports.spyInTheMiddle = function spyInTheMiddle() {
|
|
|
+ for (var _len = arguments.length, expectations = Array(_len), _key = 0; _key < _len; _key++) {
|
|
|
+ expectations[_key] = arguments[_key];
|
|
|
+ }
|
|
|
+
|
|
|
+ return function (store) {
|
|
|
+ return function (next) {
|
|
|
+ return function (action) {
|
|
|
+ if (action.type == FINISHED && expectations.length > 0) throw new Error("Expectations left unfulfilled: " + expectations.length);
|
|
|
+ if (expectations[0] && expectations[0](action)) {
|
|
|
+ expectations.shift();
|
|
|
+ }
|
|
|
+ return next(action);
|
|
|
+ };
|
|
|
+ };
|
|
|
+ };
|
|
|
+};
|
|
|
+
|
|
|
+/**
|
|
|
+ * Call `store.dispatch(SPY_VERIFY)` at the end of the test.
|
|
|
+ * It will pass if all expectations were fulfilled and fail if there are still some hanging there.
|
|
|
+ * @type {{type: string}}
|
|
|
+ */
|
|
|
+var SPY_VERIFY = exports.SPY_VERIFY = { type: FINISHED };
|
|
|
+
|
|
|
+/**
|
|
|
+ * Reducer that always returns unchanged state.
|
|
|
+ * @param state
|
|
|
+ * @param action
|
|
|
+ */
|
|
|
+var dumbReducer = exports.dumbReducer = function dumbReducer(state, action) {
|
|
|
+ return state;
|
|
|
+};
|
