com.adaptris.core.services.jdbc.types.ClobColumnTranslatorTest.java Source code

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Here is the source code for com.adaptris.core.services.jdbc.types.ClobColumnTranslatorTest.java

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/*
 * Copyright 2015 Adaptris Ltd.
 *
 * 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.adaptris.core.services.jdbc.types;

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

import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.sql.Clob;
import java.sql.SQLException;
import java.sql.Types;

import javax.sql.rowset.serial.SerialClob;

import org.apache.commons.io.input.ReaderInputStream;
import org.apache.commons.io.output.WriterOutputStream;
import org.junit.Before;
import org.junit.Test;

import com.adaptris.jdbc.JdbcResultRow;

@SuppressWarnings("deprecation")
public class ClobColumnTranslatorTest {

    private ClobColumnTranslator translator;

    @Before
    public void setUp() throws Exception {
        translator = new ClobColumnTranslator();
    }

    @Test
    public void testClobToString() throws Exception {
        Clob clob = new SerialClob("SomeData".toCharArray());
        JdbcResultRow row = new JdbcResultRow();
        row.setFieldValue("testField", clob, Types.CLOB);

        String translated = translator.translate(row, 0);

        assertEquals("SomeData", translated);
    }

    @Test
    public void testClobToStringColumnName() throws Exception {
        Clob clob = new SerialClob("SomeData".toCharArray());
        JdbcResultRow row = new JdbcResultRow();
        row.setFieldValue("testField", clob, Types.CLOB);

        String translated = translator.translate(row, "testField");

        assertEquals("SomeData", translated);
    }

    @Test
    public void testClobIncorrectType() throws Exception {
        JdbcResultRow row = new JdbcResultRow();
        row.setFieldValue("testField", new Integer(999), Types.CLOB);

        try {
            translator.translate(row, 0);
            fail();
        } catch (Exception ex) {
            // pass, expected
        }
    }

    @Test
    public void testClobIncorrectTypeColumnName() throws Exception {
        JdbcResultRow row = new JdbcResultRow();
        row.setFieldValue("testField", new Integer(999), Types.CLOB);

        try {
            translator.translate(row, "testField");
            fail();
        } catch (Exception ex) {
            // pass, expected
        }
    }

    @Test
    public void testClobWrite() throws Exception {
        Clob clob = new TestClob("SomeData");
        JdbcResultRow row = new JdbcResultRow();
        row.setFieldValue("testField", clob, Types.CLOB);

        StringWriter writer = new StringWriter();
        try (OutputStream out = new WriterOutputStream(writer)) {
            translator.write(row, 0, out);
        }
        String translated = writer.toString();
        assertEquals("SomeData", translated);
    }

    @Test
    public void testClobWrite_ByName() throws Exception {
        Clob clob = new TestClob("SomeData");
        JdbcResultRow row = new JdbcResultRow();
        row.setFieldValue("testField", clob, Types.CLOB);

        StringWriter writer = new StringWriter();
        try (OutputStream out = new WriterOutputStream(writer)) {
            translator.write(row, "testField", out);
        }
        String translated = writer.toString();
        assertEquals("SomeData", translated);
    }

    private class TestClob implements java.sql.Clob {

        private String data;

        TestClob(String s) {
            data = s;
        }

        @Override
        public long length() throws SQLException {
            throw new UnsupportedOperationException();
        }

        @Override
        public String getSubString(long pos, int length) throws SQLException {
            throw new UnsupportedOperationException();
        }

        @Override
        public Reader getCharacterStream() throws SQLException {
            return new StringReader(data);
        }

        @Override
        @SuppressWarnings("deprecation")
        public InputStream getAsciiStream() throws SQLException {
            return new ReaderInputStream(getCharacterStream());
        }

        @Override
        public long position(String searchstr, long start) throws SQLException {
            throw new UnsupportedOperationException();
        }

        @Override
        public long position(Clob searchstr, long start) throws SQLException {
            throw new UnsupportedOperationException();
        }

        @Override
        public int setString(long pos, String str) throws SQLException {
            throw new UnsupportedOperationException();
        }

        @Override
        public int setString(long pos, String str, int offset, int len) throws SQLException {
            throw new UnsupportedOperationException();
        }

        @Override
        public OutputStream setAsciiStream(long pos) throws SQLException {
            throw new UnsupportedOperationException();
        }

        @Override
        public Writer setCharacterStream(long pos) throws SQLException {
            throw new UnsupportedOperationException();
        }

        @Override
        public void truncate(long len) throws SQLException {
            throw new UnsupportedOperationException();
        }

        @Override
        public void free() throws SQLException {
        }

        @Override
        public Reader getCharacterStream(long pos, long length) throws SQLException {
            throw new UnsupportedOperationException();
        }

    }
}