src/app/common/store/resource.reducer.spec.ts

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import {
  createResourceReducer,
  CreateResourceSuccessPayload,
  DeleteResourceSuccessPayload,
  LoadResourcePayload,
  ResourceState,
  UpdateResourceSuccessPayload
} from './resource.reducer';
import {Action} from '@ngrx/store';

class LoadAction implements Action {
  readonly type = '[Test] Load';

  constructor(public payload: LoadResourcePayload) { }
}

class SelectAction implements Action {
  readonly type = '[Test] Select';

  constructor(public payload: string) { }
}

class CreateSuccessAction implements Action {
  readonly type = '[Test] Create Success';

  constructor(public payload: CreateResourceSuccessPayload) { }
}

class UpdateSuccessAction implements Action {
  readonly type = '[Test] Update Success';

  constructor(public payload: UpdateResourceSuccessPayload) { }
}

class DeleteSuccessAction implements Action {
  readonly type = '[Test] Delete Success';

  constructor(public payload: DeleteResourceSuccessPayload) { }
}

describe('Resources Reducer', () => {

  let reducer;

  beforeEach(() => {
    reducer = createResourceReducer('Test');
  });

  it('should set selected id', () => {
    const expectedResult: ResourceState = {
      selectedId: 'test',
      entities: {},
      loadedAt: {},
      ids: [],
    };

    const result = reducer(undefined, new SelectAction('test'));

    expect(result).toEqual(expectedResult);
  });

  it('should add resource on load', () => {
    spyOn(Date, 'now').and.returnValue(1000);

    const resource = {
      identifier: 'test',
      name: 'test'
    };

    const expectedResult: ResourceState = {
      selectedId: null,
      entities: {
        'test': resource
      },
      loadedAt: {
        'test': 1000
      },
      ids: ['test'],
    };

    const result = reducer(undefined, new LoadAction({
      resource: resource
    }));

    expect(result).toEqual(expectedResult);
  });

  it('should add resource when create success', () => {
    const resource = {
      identifier: 'test',
      name: 'test'
    };

    const expectedResult: ResourceState = {
      selectedId: null,
      entities: {
        'test': resource
      },
      loadedAt: {},
      ids: ['test'],
    };

    const result = reducer(undefined, new CreateSuccessAction({
      resource: resource,
      activatedRoute: null
    }));

    expect(result).toEqual(expectedResult);
  });

  it('should update resource when update success', () => {
    const updatedResource = {
      identifier: 'test',
      name: 'newValue'
    };

    const initialState: ResourceState = {
      selectedId: null,
      entities: {
        'test': {
          name: 'oldValue'
        }
      },
      loadedAt: {},
      ids: ['test'],
    };

    const expectedResult: ResourceState = {
      selectedId: null,
      entities: {
        'test': updatedResource
      },
      loadedAt: {},
      ids: ['test'],
    };

    const result = reducer(initialState, new UpdateSuccessAction({
      resource: updatedResource,
      activatedRoute: null
    }));

    expect(result).toEqual(expectedResult);
  });

  it('should delete resource when delete success', () => {

  });

  it('should delegate to wrapper reducer on unhandled action', () => {

  });

});