com.expedia.seiso.web.controller.delegate.RepoSearchDelegateTests.java Source code

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/* 
 * Copyright 2013-2015 the original author or authors.
 * 
 * Licensed 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.
 */
package com.expedia.seiso.web.controller.delegate;

import static org.junit.Assert.assertNotNull;
import static org.mockito.Matchers.anyString;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.when;

import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;

import lombok.val;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.springframework.core.convert.ConversionService;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.repository.core.RepositoryInformation;
import org.springframework.data.repository.support.Repositories;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.util.ReflectionUtils;

import com.expedia.seiso.core.ann.Projection;
import com.expedia.seiso.domain.entity.Person;
import com.expedia.seiso.domain.meta.ItemMeta;
import com.expedia.seiso.domain.meta.ItemMetaLookup;
import com.expedia.seiso.domain.repo.PersonRepo;
import com.expedia.seiso.domain.repo.ServiceRepo;
import com.expedia.seiso.domain.service.ItemService;
import com.expedia.seiso.web.ApiVersion;
import com.expedia.seiso.web.assembler.ResourceAssembler;
import com.expedia.seiso.web.hateoas.Resource;

/**
 * @author Willie Wheeler
 */
public class RepoSearchDelegateTests {
    private static final String PAGING_REPO_KEY = "my-paging-repo";
    private static final Class<?> PAGING_ITEM_CLASS = Person.class;
    private static final String SEARCH_PATH = "find-by-last-name";
    private static final String VIEW_KEY = Projection.DEFAULT;

    // Class under test
    private RepoSearchDelegate delegate;

    // Dependencies
    @Mock
    private ItemMetaLookup itemMetaLookup;
    @Mock
    private Repositories repositories;
    @Mock
    private PersonRepo pagingRepo;
    @Mock
    private ItemService itemService;
    @Mock
    private ResourceAssembler resourceAssembler;
    @Mock
    private ConversionService conversionService;

    // Test data
    @Mock
    private Pageable pageable;
    private MultiValueMap<String, String> params;
    @Mock
    private ItemMeta pagingItemMeta;
    private Method queryMethodWithPagingResults;
    private Method queryMethodWithUniqueResult;
    private List<Method> queryMethods;
    @Mock
    private RepositoryInformation repoInfo;
    @Mock
    private Page<Person> pageSearchResult;
    @Mock
    private Resource resource;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
        setUpTestData();
        setUpDependencies();

        this.delegate = new RepoSearchDelegate(resourceAssembler);
        delegate.setItemMetaLookup(itemMetaLookup);
        delegate.setRepositories(repositories);
        delegate.setItemService(itemService);
        delegate.setConversionService(conversionService);
    }

    private void setUpTestData() {
        this.params = new LinkedMultiValueMap<>();
        params.set("name", "Aurelius");

        when(pagingItemMeta.getRepositorySearchMethod(SEARCH_PATH)).thenReturn(queryMethodWithPagingResults);

        this.queryMethodWithPagingResults = ReflectionUtils.findMethod(PersonRepo.class, "findByLastName",
                String.class, Pageable.class);
        assert (queryMethodWithPagingResults != null);

        this.queryMethodWithUniqueResult = ReflectionUtils.findMethod(ServiceRepo.class, "findByName",
                String.class);
        assert (queryMethodWithUniqueResult != null);

        this.queryMethods = Arrays.asList(queryMethodWithUniqueResult);
        when(repoInfo.getQueryMethods()).thenReturn(queryMethods);

        when(pagingItemMeta.getRepositorySearchMethod(SEARCH_PATH)).thenReturn(queryMethodWithPagingResults);
    }

    private void setUpDependencies() {

        when(itemMetaLookup.getItemClass(PAGING_REPO_KEY)).thenReturn(PAGING_ITEM_CLASS);
        when(itemMetaLookup.getItemMeta(PAGING_ITEM_CLASS)).thenReturn(pagingItemMeta);

        when(repositories.getRepositoryInformationFor(PAGING_ITEM_CLASS)).thenReturn(repoInfo);
        when(repositories.getRepositoryFor(PAGING_ITEM_CLASS)).thenReturn(pagingRepo);

        when(pagingRepo.findByLastName("Aurelius", pageable)).thenReturn(pageSearchResult);

        when(resourceAssembler.toRepoSearchList(eq(ApiVersion.V2), anyString())).thenReturn(resource);
    }

    @Test
    public void getRepoSearchList() {
        val result = delegate.getRepoSearchList(ApiVersion.V2, PAGING_REPO_KEY);
        assertNotNull(result);
    }

    @Test(expected = NullPointerException.class)
    public void getRepoSearchList_null() {
        delegate.getRepoSearchList(ApiVersion.V2, null);
    }

    @Test
    public void repoSearch_resultPage() {
        // FIXME Need to include/require params, as repo searches always involve them.
        val result = delegate.repoSearch(ApiVersion.V2, PAGING_REPO_KEY, SEARCH_PATH, VIEW_KEY, pageable, params);
        // TODO
    }
}