cherry.goods.excel.ExcelFactoryTest.java Source code

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Here is the source code for cherry.goods.excel.ExcelFactoryTest.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.goods.excel;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.junit.Test;

public class ExcelFactoryTest {

    @Test
    public void testOpen_XLS() throws Exception {
        // 
        File file = File.createTempFile(getClass().getName(), ".xls", new File("."));
        file.deleteOnExit();
        try (OutputStream out = new FileOutputStream(file);
                Workbook workbook = ExcelFactory.createBlankXls("OPEN_XLS")) {
            workbook.write(out);
        }
        // 
        try (InputStream in = new FileInputStream(file); Workbook workbook = ExcelFactory.open(in)) {
            Sheet sheet = workbook.getSheetAt(0);
            assertNotNull(sheet);
            assertEquals("OPEN_XLS", sheet.getSheetName());
        }
    }

    @Test
    public void testOpen_XLSX() throws Exception {
        // 
        File file = File.createTempFile(getClass().getName(), ".xlsx", new File("."));
        file.deleteOnExit();
        try (OutputStream out = new FileOutputStream(file);
                Workbook workbook = ExcelFactory.createBlankXlsx("OPEN_XLSX")) {
            workbook.write(out);
        }
        // 
        try (InputStream in = new FileInputStream(file); Workbook workbook = ExcelFactory.open(in)) {
            Sheet sheet = workbook.getSheetAt(0);
            assertNotNull(sheet);
            assertEquals("OPEN_XLSX", sheet.getSheetName());
        }
    }

    @Test
    public void testLoad_XLS() throws Exception {
        // 
        File file = File.createTempFile(getClass().getName(), ".xls", new File("."));
        file.deleteOnExit();
        try (OutputStream out = new FileOutputStream(file);
                Workbook workbook = ExcelFactory.createBlankXls("LOAD_XLS")) {
            workbook.write(out);
        }
        // 
        try (Workbook workbook = ExcelFactory.load(file)) {
            Sheet sheet = workbook.getSheetAt(0);
            assertNotNull(sheet);
            assertEquals("LOAD_XLS", sheet.getSheetName());
        }
    }

    @Test
    public void testLoad_XLSX() throws Exception {
        // 
        File file = File.createTempFile(getClass().getName(), ".xlsx", new File("."));
        file.deleteOnExit();
        try (OutputStream out = new FileOutputStream(file);
                Workbook workbook = ExcelFactory.createBlankXlsx("LOAD_XLSX")) {
            workbook.write(out);
        }
        // 
        try (Workbook workbook = ExcelFactory.load(file)) {
            Sheet sheet = workbook.getSheetAt(0);
            assertNotNull(sheet);
            assertEquals("LOAD_XLSX", sheet.getSheetName());
        }
    }

    @Test
    public void testLoad_EXCEPTION() throws Exception {
        // 
        File file = File.createTempFile(getClass().getName(), ".xls", new File("."));
        file.deleteOnExit();
        // 
        try (Workbook workbook = ExcelFactory.load(file)) {
            fail("Exception must be thrown");
        } catch (IllegalArgumentException ex) {
            // OK
        }
    }

    @Test
    public void testCreateBlankXls_NONAME() throws Exception {
        // 
        File file = File.createTempFile(getClass().getName(), ".xls", new File("."));
        file.deleteOnExit();
        // 
        try (OutputStream out = new FileOutputStream(file); Workbook workbook = ExcelFactory.createBlankXls()) {
            workbook.write(out);
        }
        // 
        try (Workbook workbook = ExcelFactory.load(file); ExcelReader reader = new ExcelReader(workbook)) {
            String[] r0 = reader.read();
            assertNull(r0);
        }
    }

    @Test
    public void testCreateBlankXls_WITH_NAME() throws Exception {
        // 
        File file = File.createTempFile(getClass().getName(), ".xls", new File("."));
        file.deleteOnExit();
        // 
        try (OutputStream out = new FileOutputStream(file);
                Workbook workbook = ExcelFactory.createBlankXls("CREATE_BLANK_XLS")) {
            workbook.write(out);
        }
        // 
        try (Workbook workbook = ExcelFactory.load(file); ExcelReader reader = new ExcelReader(workbook)) {
            Sheet sheet = workbook.getSheetAt(0);
            assertNotNull(sheet);
            assertEquals("CREATE_BLANK_XLS", sheet.getSheetName());
            String[] r0 = reader.read();
            assertNull(r0);
        }
    }

    @Test
    public void testCreateBlankXlsx_NONAME() throws Exception {
        // 
        File file = File.createTempFile(getClass().getName(), ".xlsx", new File("."));
        file.deleteOnExit();
        // 
        try (OutputStream out = new FileOutputStream(file); Workbook workbook = ExcelFactory.createBlankXlsx()) {
            workbook.write(out);
        }
        // 
        try (Workbook workbook = ExcelFactory.load(file); ExcelReader reader = new ExcelReader(workbook)) {
            String[] r0 = reader.read();
            assertNull(r0);
        }
    }

    @Test
    public void testCreateBlankXlsx_WITH_NAME() throws Exception {
        // 
        File file = File.createTempFile(getClass().getName(), ".xlsx", new File("."));
        file.deleteOnExit();
        // 
        try (OutputStream out = new FileOutputStream(file);
                Workbook workbook = ExcelFactory.createBlankXlsx("CREATE_BLANK_XLSX")) {
            workbook.write(out);
        }
        // 
        try (Workbook workbook = ExcelFactory.load(file); ExcelReader reader = new ExcelReader(workbook)) {
            Sheet sheet = workbook.getSheetAt(0);
            assertNotNull(sheet);
            assertEquals("CREATE_BLANK_XLSX", sheet.getSheetName());
            String[] r0 = reader.read();
            assertNull(r0);
        }
    }

    @Test
    public void testInstantiate() {
        try {
            new ExcelFactory();
        } catch (Exception ex) {
            fail("Exception must not be thrown");
        }
    }

}