cherry.foundation.download.DownloadTemplateTest.java Source code

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Here is the source code for cherry.foundation.download.DownloadTemplateTest.java

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/*
 * Copyright 2014,2015 agwlvssainokuni
 *
 * 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 cherry.foundation.download;

import static org.junit.Assert.assertSame;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;

import org.joda.time.LocalDateTime;
import org.joda.time.format.DateTimeFormat;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:config/applicationContext-test.xml")
public class DownloadTemplateTest {

    @Autowired
    private DownloadOperation downloadOperation;

    @Test
    public void testDownload00() throws IOException {
        HttpServletResponse response = createMock();
        LocalDateTime timestamp = LocalDateTime.now();
        String ts = DateTimeFormat.forPattern("yyyyMMddHHmmss").print(timestamp);

        DownloadAction action = new DownloadAction() {
            @Override
            public long doDownload(OutputStream stream) throws IOException {
                return 123L;
            }
        };
        downloadOperation.download(response, "text/csv", StandardCharsets.UTF_8, "test_{0}.csv", timestamp, action);
        verify(response).setContentType("text/csv");
        verify(response).setCharacterEncoding("UTF-8");
        verify(response).setHeader("Content-Disposition", "attachment; filename=\"test_" + ts + ".csv\"");
    }

    @Test
    public void testDownload01() throws IOException {
        HttpServletResponse response = createMock();
        LocalDateTime timestamp = LocalDateTime.now();
        String ts = DateTimeFormat.forPattern("yyyyMMddHHmmss").print(timestamp);

        final IOException ioex = new IOException();
        DownloadAction action = new DownloadAction() {
            @Override
            public long doDownload(OutputStream stream) throws IOException {
                throw ioex;
            }
        };

        try {
            downloadOperation.download(response, "text/csv", StandardCharsets.UTF_8, "test_{0}.csv", timestamp,
                    action);
            fail("Excption must be thrown");
        } catch (IllegalStateException ex) {
            assertSame(ex.getCause(), ioex);
        }
        verify(response).setContentType("text/csv");
        verify(response).setCharacterEncoding("UTF-8");
        verify(response).setHeader("Content-Disposition", "attachment; filename=\"test_" + ts + ".csv\"");
    }

    @Test
    public void testDownload02() throws IOException {
        HttpServletResponse response = createMock();
        LocalDateTime timestamp = LocalDateTime.now();
        String ts = DateTimeFormat.forPattern("yyyyMMddHHmmss").print(timestamp);

        DownloadAction action = new DownloadAction() {
            @Override
            public long doDownload(OutputStream stream) throws IOException {
                return 123L;
            }
        };
        downloadOperation.download(response, "text/csv", null, "test_{0}.csv", timestamp, action);
        verify(response).setContentType("text/csv");
        verify(response, never()).setCharacterEncoding("UTF-8");
        verify(response).setHeader("Content-Disposition", "attachment; filename=\"test_" + ts + ".csv\"");
    }

    private HttpServletResponse createMock() throws IOException {
        HttpServletResponse response = mock(HttpServletResponse.class);
        ServletOutputStream out = mock(ServletOutputStream.class);
        when(response.getOutputStream()).thenReturn(out);
        return response;
    }

}