Add appState reducer tests

reducers/appState/__tests__/appState.test.js

@@ -0,0 +1,80 @@
+import reducer from '../';
+import initialState from '../initialState';
+
+it('should return the initial state', () => {
+  expect(reducer(undefined, {})).toEqual(initialState);
+});
+
+it('should handle TOGGLE_LOADING', () => {
+  const action = {
+    type: 'TOGGLE_LOADING',
+  };
+
+  expect(reducer(undefined, action).loading).toEqual(false); // initial is true
+});
+
+it('should handle SET_DEVICE_LOCATION', () => {
+  const payload = {
+    coords: {
+      lat: 'lat',
+      lng: 'lng',
+    },
+  };
+
+  const action = {
+    type: 'SET_DEVICE_LOCATION',
+    payload,
+  };
+
+  expect(reducer(undefined, action).deviceLocation).toEqual(payload.coords);
+});
+
+it('should handle SET_SYSTEM_MESSAGE', () => {
+  const payload = {
+    message: 'Test',
+    code: 12345,
+  };
+
+  const action = {
+    type: 'SET_SYSTEM_MESSAGE',
+    payload,
+    error: true,
+  };
+
+  const expectedPayload = payload;
+  expectedPayload.error = action.error;
+
+  expect(reducer(undefined, action).systemMessage).toEqual(expectedPayload);
+});
+
+it('should handle RESET_SYSTEM_MESSAGE', () => {
+  const action = {
+    type: 'RESET_SYSTEM_MESSAGE',
+  };
+
+  expect(reducer(undefined, action).systemMessage).toEqual(initialState.systemMessage);
+});
+
+it('should handle SET_NETWORK_CONNECTION_INFO', () => {
+  const payload = {
+    network: {
+      ConnectionType: 'wifi',
+      EffectiveConnectionType: '4g',
+    },
+  };
+
+  const action = {
+    type: 'SET_NETWORK_CONNECTION_INFO',
+    payload,
+  };
+
+  expect(reducer(undefined, action).network).toEqual(payload.network);
+});
+
+it('should handle TOGGLE_REALTIME_DATABASE_MODE', () => {
+  const action = {
+    type: 'TOGGLE_REALTIME_DATABASE_MODE',
+  };
+
+  expect(reducer(undefined, action).realtimeDatabaseMode).toEqual(false); // initial is true
+});