feat(cp-frontend): Add reducers and selectors unit tests

packages/cp-frontend/src/state/reducers/ui.js

@@ -1,7 +1,7 @@
 import { handleActions } from 'redux-actions';
 import { toggleServicesQuickActions, toggleInstancesTooltip } from '@state/actions';
 
-const _toggleServicesQuickActions = (state, action) => {
+export const _toggleServicesQuickActions = (state, action) => {
   const { position, service, show } = action.payload;
 
   const s =
@@ -29,7 +29,7 @@ const _toggleServicesQuickActions = (state, action) => {
   };
 };
 
-const _toggleInstancesTooltip = (state, action) => {
+export const _toggleInstancesTooltip = (state, action) => {
   const { position, instance, show, type } = action.payload;
 
   const s =

packages/cp-frontend/src/state/selectors.js

@@ -37,7 +37,7 @@ const serviceBySlug = serviceSlug =>
         : null
   );
 
-const instancesByServiceId = serviceId =>
+/* const instancesByServiceId = serviceId =>
   createSelector(
     [apollo],
     apollo =>
@@ -52,7 +52,7 @@ const instancesByServiceId = serviceId =>
             return is;
           }, [])
         : null
-  );
+  ); */
 
 // Apollo gql utils //
 
@@ -177,7 +177,11 @@ const processServicesForTopology = services => {
 export {
   deploymentGroupBySlug as deploymentGroupBySlugSelector,
   serviceBySlug as serviceBySlugSelector,
+  getInstanceStatuses,
+  getInstancesActive,
+  getInstancesHealthy,
+  getService,
   processServices,
-  processServicesForTopology,
+  processServicesForTopology /* ,
-  instancesByServiceId
+  instancesByServiceId */
 };

packages/cp-frontend/test/unit/state/reducers/ui.js

@@ -0,0 +1,106 @@
+import {
+  _toggleServicesQuickActions,
+  _toggleInstancesTooltip
+} from '@state/reducers/ui';
+import state from '@state/state';
+
+describe('ui reducer', () => {
+
+  it('toggleServicesQuickActions shows correctly', () => {
+    const uiState = state.ui;
+    const expectedUiState = {
+      ...state.ui,
+      services: {
+        ...state.ui.services,
+        quickActions: {
+          show: true,
+          position: {
+            top: 10,
+            left: 10
+          },
+          service: {
+            id: 'service-id'
+          }
+        }
+      }
+    }
+    const action = { payload: {
+      show: true,
+      position: {
+        top: 10,
+        left: 10
+      },
+      service: {
+        id: 'service-id'
+      }
+    }};
+    const result = _toggleServicesQuickActions(uiState, action);
+    expect(result).toEqual(expectedUiState);
+  });
+
+  it('toggleServicesQuickActions hides correctly', () => {
+    const uiState = state.ui;
+    const expectedUiState = {
+      ...state.ui,
+      services: {
+        ...state.ui.services,
+        quickActions: {
+          show: false
+        }
+      }
+    }
+    const action = { payload: { show: false }};
+    const result = _toggleServicesQuickActions(uiState, action);
+    expect(result).toEqual(expectedUiState);
+  });
+
+  it('toggleInstancesTooltip shows correctly', () => {
+    const uiState = state.ui;
+    const expectedUiState = {
+      ...state.ui,
+      instances: {
+        ...state.ui.instances,
+        tooltip: {
+          show: true,
+          position: {
+            top: 10,
+            left: 10
+          },
+          instance: {
+            id: 'instance-id'
+          },
+          type: 'healthy'
+        }
+      }
+    }
+    const action = { payload: {
+      show: true,
+      position: {
+        top: 10,
+        left: 10
+      },
+      instance: {
+        id: 'instance-id'
+      },
+      type: 'healthy'
+    }};
+    const result = _toggleInstancesTooltip(uiState, action);
+    expect(result).toEqual(expectedUiState);
+  });
+
+  it('toggleServicesQuickActions hides correctly', () => {
+    const uiState = state.ui;
+    const expectedUiState = {
+      ...state.ui,
+      instances: {
+        ...state.ui.instances,
+        tooltip: {
+          show: false
+        }
+      }
+    }
+    const action = { payload: { show: false }};
+    const result = _toggleInstancesTooltip(uiState, action);
+    expect(result).toEqual(expectedUiState);
+  });
+})

packages/cp-frontend/test/unit/state/selectors.js

@@ -0,0 +1,270 @@
+import {
+  deploymentGroupBySlugSelector,
+  serviceBySlugSelector,
+  getInstanceStatuses,
+  getInstancesActive,
+  getInstancesHealthy,
+  getService,
+  processServices,
+  processServicesForTopology
+} from '@state/selectors';
+
+describe('Redux selectors and Apollo helpers', () => {
+
+  describe('getInstanceStatuses', () => {
+
+    it('gathers instance statuses correctly', () => {
+        const service = {
+          instances: [
+            { status: 'RUNNING' },
+            { status: 'RUNNING' },
+            { status: 'READY' },
+            { status: 'RUNNING' },
+            { status: 'INCOMPLETE' },
+            { status: 'READY' },
+            { status: 'OFFLINE' },
+            { status: 'STOPPED' },
+            { status: 'STOPPED' },
+            { status: 'RUNNING' }
+          ]
+        };
+        const expectedResult = [
+          { status: 'RUNNING', count: 4 },
+          { status: 'READY', count: 2 },
+          { status: 'INCOMPLETE', count: 1 },
+          { status: 'OFFLINE', count: 1 },
+          { status: 'STOPPED', count: 2 }
+        ];
+        const result = getInstanceStatuses(service);
+        expect(result).toEqual(expectedResult);
+    });
+
+    it('does not throw a hissy fit if there are no instances', () => {
+        const service = {
+          instances: []
+        };
+        const expectedResult = [];
+        const result = getInstanceStatuses(service);
+        expect(result).toEqual(expectedResult);
+    });
+  });
+
+  describe('getInstancesActive', () => {
+
+    it('returns true if all instances\' status is active', () => {
+      const statuses = [
+        { status: 'RUNNING' },
+        { status: 'READY' },
+        { status: 'ACTIVE' },
+        { status: 'RUNNING' }
+      ];
+      const expectedResult = true;
+      const result = getInstancesActive(statuses);
+      expect(result).toEqual(expectedResult);
+    });
+
+    it('returns false if no instances\' status is active', () => {
+      const statuses = [
+        { status: 'STOPPING' },
+        { status: 'FAILED' },
+        { status: 'UNKNOWN' },
+        { status: 'STOPPED' }
+      ];
+      const expectedResult = false;
+      const result = getInstancesActive(statuses);
+      expect(result).toEqual(expectedResult);
+    });
+
+    it('returns true if some instances\' status is active', () => {
+      const statuses = [
+        { status: 'STOPPING' },
+        { status: 'FAILED' },
+        { status: 'ACTIVE' },
+        { status: 'RUNNING' }
+      ];
+      const expectedResult = true;
+      const result = getInstancesActive(statuses);
+      expect(result).toEqual(expectedResult);
+    });
+  });
+
+  describe('getInstancesHealthy', () => {
+
+    it('returns the number of healthy instances correctly', () => {
+      const instances = [
+        { healthy: 'HEALTHY' },
+        { healthy: 'UNHEALTHY' },
+        { healthy: 'MAINTENANCE' },
+        { healthy: 'UNKNOWN' },
+        { healthy: 'UNAVAILABLE' },
+        { healthy: 'HEALTHY' }
+      ];
+      const expectedResult = { total: 6, healthy: 2 };
+      const result = getInstancesHealthy(instances);
+      expect(result).toEqual(expectedResult);
+    });
+  });
+
+  describe('getService', () => {
+
+    it('returns the service decorated with details for display correctly', () => {
+
+      const result = getService(nginxService, 0);
+      expect(result).toEqual(nginxExpectedResult);
+    });
+
+    it('returns the consul service decorated with details for display correctly', () => {
+
+      const result = getService(consulService, 1);
+      expect(result).toEqual(consulExpectedResult);
+    });
+  });
+
+  describe('processServices', () => {
+
+    it('returns the services decorated with details for display correctly', () => {
+      const services = [
+        nginxService,
+        consulService
+      ];
+      const expectedResult = [
+        nginxExpectedResult,
+        consulExpectedResult
+      ];
+      const result = processServices(services);
+      expect(result).toEqual(expectedResult);
+    });
+
+    it('removes deleted services', () => {
+      const services = [{
+        status: 'DELETED'
+      }];
+      const expectedResult = [];
+      const result = processServices(services);
+      expect(result).toEqual(expectedResult);
+    });
+  });
+
+  describe('processServicesForTopology', () => {
+
+    it('returns the services decorated with details for display correctly', () => {
+      const services = [
+        {
+          ...nginxService,
+          id: 'nginx-service-0',
+          connections: [
+            'consul-service-0',
+            'consul-service-1'
+          ]
+        },
+        {
+          ...nginxService,
+          id: 'nginx-service-1'
+        },
+        {
+          ...consulService,
+          id: 'consul-service-0',
+          connections: [
+            'consul-service-1'
+          ]
+        },
+        {
+          ...consulService,
+          id: 'consul-service-1'
+        }
+      ];
+      const expectedResult = [
+        {
+          ...nginxExpectedResult,
+          id: 'nginx-service-0',
+          connections: [
+            'consul-service-0',
+            'consul-service-1'
+          ],
+          connected: true,
+          index: 0
+        },
+        {
+          ...nginxExpectedResult,
+          id: 'nginx-service-1',
+          connected: false,
+          index: 1
+        },
+        {
+          ...consulExpectedResult,
+          id: 'consul-service-0',
+          connections: [
+            'consul-service-1'
+          ],
+          connected: true,
+          index: 2
+        },
+        {
+          ...consulExpectedResult,
+          id: 'consul-service-1',
+          connected: true,
+          index: 3
+        }
+      ];
+      const result = processServicesForTopology(services);
+      expect(result).toEqual(expectedResult);
+    });
+  });
+});
+
+const nginxService = {
+  instances: [
+    { status: 'RUNNING', healthy: 'HEALTHY' },
+    { status: 'RUNNING', healthy: 'HEALTHY' },
+    { status: 'READY', healthy: 'HEALTHY' },
+    { status: 'RUNNING', healthy: 'UNHEALTHY' },
+    { status: 'INCOMPLETE', healthy: 'UNKNOWN' },
+    { status: 'READY', healthy: 'HEALTHY' },
+    { status: 'OFFLINE', healthy: 'UNAVAILABLE' },
+    { status: 'STOPPED', healthy: 'UNAVAILABLE' },
+    { status: 'STOPPED', healthy: 'UNAVAILABLE' },
+    { status: 'RUNNING', healthy: 'HEALTHY' }
+  ],
+  status: 'ACTIVE',
+  slug: 'nginx'
+};
+
+const nginxExpectedResult = {
+  ...nginxService,
+  instanceStatuses: [
+    { status: 'RUNNING', count: 4 },
+    { status: 'READY', count: 2 },
+    { status: 'INCOMPLETE', count: 1 },
+    { status: 'OFFLINE', count: 1 },
+    { status: 'STOPPED', count: 2 }
+  ],
+  instancesActive: true,
+  instancesHealthy: { total: 10, healthy: 5 },
+  transitionalStatus: false,
+  isConsul: false,
+  index: 0
+};
+
+const consulService = {
+  instances: [
+    { status: 'RUNNING', healthy: 'HEALTHY' },
+    { status: 'READY', healthy: 'HEALTHY' },
+    { status: 'PROVISIONING', healthy: 'UNKNOWN' }
+  ],
+  status: 'PROVISIONING',
+  slug: 'consul'
+};
+
+const consulExpectedResult = {
+  ...consulService,
+  instanceStatuses: [
+    { status: 'RUNNING', count: 1 },
+    { status: 'READY', count: 1 },
+    { status: 'PROVISIONING', count: 1 }
+  ],
+  instancesActive: true,
+  instancesHealthy: { total: 3, healthy: 2 },
+  transitionalStatus: true,
+  isConsul: true,
+  index: 1
+};