Added Locos reducer and saga tests

src/__tests__/states/reducers/locos_reducer.test.ts

@@ -0,0 +1,91 @@
+import {rostersReducer} from "../../../states/reducers/locos_reducer";
+import {addOrUpdateLoco} from "../../../states/actions/locos";
+import {Loco, LocosState} from "../../../types";
+import {userResetState} from "../../../states/actions/stores";
+
+describe("Locos reducer", () => {
+    it("has initial state", () => {
+        const locosState = rostersReducer(undefined, {type: 'INIT'})
+
+        expect(locosState).toEqual({entities: {}})
+    })
+
+    it("resets all state on USER_RESET_STATE", () => {
+        const action = userResetState()
+        const initialLoco: Loco = {
+            cabId: 1,
+            name: 'Initial Loco',
+            throttle: {direction: 1, speed: 0},
+            functionButtons: {},
+            sync: {
+                rosterItemAt: null,
+                rosterListAt: null
+            },
+            id: "",
+        }
+
+        const initialState: LocosState = {
+            entities: {
+                1: initialLoco
+            }
+        }
+        const locosState = rostersReducer(initialState, action)
+
+        expect(locosState).toEqual({entities: {}})
+    })
+
+    it("adds a Loco on UPDATE_POWER_STATE", () => {
+        const action = addOrUpdateLoco({cabId: 1, name: 'test'})
+        const locosState = rostersReducer(undefined, action)
+
+        const expectedLoco = {
+            cabId: 1,
+            name: 'test',
+            throttle: expect.any(Object),
+            sync: expect.any(Object),
+            functionButtons: expect.any(Object),
+            id: expect.any(String),
+        }
+
+        expect(locosState).toEqual({entities: {1: expectedLoco}})
+    })
+
+    it("updates an existing Loco on UPDATE_POWER_STATE", () => {
+        const initialLoco: Loco = {
+            cabId: 1,
+            name: 'Initial Loco',
+            throttle: {direction: 1, speed: 0},
+            functionButtons: {},
+            sync: {
+                rosterItemAt: null,
+                rosterListAt: null
+            },
+            id: "",
+        }
+
+        const initialState: LocosState = {
+            entities: {
+                1: initialLoco
+            }
+        }
+
+        const updatedLoco = {
+            cabId: 1,
+            name: 'Updated Loco',
+        }
+
+        const action = addOrUpdateLoco(updatedLoco)
+        const locosState = rostersReducer(initialState, action)
+
+        const expectedLoco = {
+            cabId: 1,
+            name: 'Updated Loco',
+            throttle: expect.any(Object),
+            sync: expect.any(Object),
+            functionButtons: expect.any(Object),
+            id: expect.any(String),
+        }
+
+        expect(locosState).toEqual({entities: {1: expectedLoco}})
+    })
+})

src/__tests__/states/sagas/locos_saga.test.ts

@@ -1,14 +1,26 @@
 import {expectSaga} from "redux-saga-test-plan";
 import commandSaga from "../../../states/actions";
-import {addOrUpdateLoco, newLocoFormSubmit} from "../../../states/actions/locos";
+import {addOrUpdateLoco, newLocoFormSubmit, userPopulateRoster} from "../../../states/actions/locos";
+import {commandSend} from "../../../states/actions/commands";
 
 describe("User adds a new Loco", () => {
     describe("NEW_LOCO_FORM_SUBMIT", () => {
         it("puts ADD_OR_UPDATE_LOCO", () => {
             return expectSaga(commandSaga)
                 .dispatch(newLocoFormSubmit({cabId: 1, name: 'test'}))
-                .put(addOrUpdateLoco({cabId: 1, name: 'test'}))
+                .put(addOrUpdateLoco({cabId: 1, name: 'test'})) // tested by locos reducer
                 .silentRun();
         });
     });
 })
+
+describe("User populates Locos from Roster", () => {
+    describe("USER_POPULATE_ROSTER", () => {
+        it("puts COMMAND_SEND <J>", () => {
+            return expectSaga(commandSaga)
+                .dispatch(userPopulateRoster())
+                .put(commandSend("<J>"))
+                .silentRun()
+        })
+    })
+})