de.olivergierke.deepdive.ProductRepositoryIntegrationTest.java Source code

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/*
 * Copyright 2012-2014 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 de.olivergierke.deepdive;

import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;

import java.math.BigDecimal;
import java.util.List;
import java.util.Optional;

import org.hamcrest.Matchers;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;

/**
 * Integration tests for {@link ProductRepository}.
 * 
 * @author Oliver Gierke
 * @since Step 6
 */
public class ProductRepositoryIntegrationTest extends AbstractIntegrationTest {

    @Autowired
    ProductRepository repository;

    /**
     * @since Step 6.1
     */
    @Test
    public void findsAllProducts() {

        List<Product> products = repository.findAll();
        assertThat(products, hasSize(3));
    }

    /**
     * @since Step 6.2
     */
    @Test
    public void findsAllAppleProductPaged() {

        Page<Product> products = repository.findByDescriptionContaining("Apple", new PageRequest(0, 1));

        assertThat(products.isFirst(), is(true));
        assertThat(products.hasNext(), is(true));
        assertThat(products, Matchers.<Product>hasItem(hasProperty("name", is("iPad"))));
        assertThat(products, not(Matchers.<Product>hasItem(hasProperty("name", is("Dock")))));
    }

    /**
     * @since Step 6.3
     */
    @Test
    public void returnsOptionalEmptyForNonExistingProduct() {

        Optional<Product> result = repository.findOne(4711L);
        assertThat(result, is(Optional.empty()));
    }

    /**
     * @since Step 7
     */
    @Test
    public void executesManuallyDeclaredQuery() {

        List<Product> products = repository.findByAttributeAndValue("connector", "plug");

        assertThat(products, Matchers.<Product>hasItem(hasProperty("name", is("Dock"))));
    }

    /**
     * @since Step 9
     */
    @Test
    public void executesCustomlyImplementedMethod() {

        repository.removeProductsMoreExpensiveThan(new BigDecimal(500));

        List<Product> result = repository.findAll();

        assertThat(result, hasSize(2));
        assertThat(result, not(Matchers.<Product>hasItem(hasProperty("name", is("Mac Book Pro")))));
    }
}