local.laer.app.knapsack.support.OffsetIntMatrixTest.java Source code

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Here is the source code for local.laer.app.knapsack.support.OffsetIntMatrixTest.java

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package local.laer.app.knapsack.support;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Verify;
import com.google.common.io.CharStreams;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.logging.Logger;
import local.laer.app.knapsack.domain.support.Matrix;
import org.hamcrest.CoreMatchers;
import org.junit.Test;
import static org.junit.Assert.*;
import org.skyscreamer.jsonassert.JSONAssert;

/**
 *
 * @author Lars Eriksson (larsq.eriksson@gmail.com)
 */
public class OffsetIntMatrixTest {

    private final static Logger LOG = Logger.getLogger(OffsetBinaryMatrixTest.class.getPackage().getName());

    @Test
    public void testSerialize() throws JsonProcessingException {
        OffsetIntMatrix matrix = new OffsetIntMatrix(1, 1, 5, 6, 0);
        matrix.mutableTransform(IntFunctions.fillWith(5));

        ObjectMapper mapper = new ObjectMapper();
        String json = mapper.writeValueAsString(matrix);

        LOG.info(String.format("json: %s", json));

    }

    private String readResource(String resource) throws IOException {
        InputStream in = getClass().getResourceAsStream(resource);

        Verify.verifyNotNull(in);

        return CharStreams.toString(new InputStreamReader(in));
    }

    @Test
    public void testDeserialize() throws IOException {
        String json = readResource("/fixtures/IntMatrix.json");

        try {
            Matrix m = new ObjectMapper().readValue(json, Matrix.class);

            OffsetIntMatrix converted = OffsetIntMatrixParser.valueOf(m);

            assertThat(converted.cols(), CoreMatchers.is(4));
            assertThat(converted.rows(), CoreMatchers.is(7));

            assertThat(converted.getInt(5, 5), CoreMatchers.is(1));
            assertThat(converted.getInt(6, 5), CoreMatchers.is(2));
            assertThat(converted.getInt(7, 5), CoreMatchers.is(3));
            assertThat(converted.getInt(8, 5), CoreMatchers.is(4));
            assertThat(converted.getInt(9, 5), CoreMatchers.is(5));
            assertThat(converted.getInt(10, 5), CoreMatchers.is(0));
            assertThat(converted.getInt(11, 5), CoreMatchers.is(0));

            assertThat(converted.getInt(5, 6), CoreMatchers.is(1));
            assertThat(converted.getInt(6, 6), CoreMatchers.is(2));
            assertThat(converted.getInt(7, 6), CoreMatchers.is(3));
            assertThat(converted.getInt(8, 6), CoreMatchers.is(4));
            assertThat(converted.getInt(9, 6), CoreMatchers.is(5));
            assertThat(converted.getInt(10, 6), CoreMatchers.is(0));
            assertThat(converted.getInt(11, 6), CoreMatchers.is(0));

            assertThat(converted.getInt(5, 7), CoreMatchers.is(0));
            assertThat(converted.getInt(6, 7), CoreMatchers.is(0));
            assertThat(converted.getInt(7, 7), CoreMatchers.is(0));
            assertThat(converted.getInt(8, 7), CoreMatchers.is(0));
            assertThat(converted.getInt(9, 7), CoreMatchers.is(0));
            assertThat(converted.getInt(10, 7), CoreMatchers.is(0));
            assertThat(converted.getInt(11, 7), CoreMatchers.is(0));

            assertThat(converted.getInt(5, 8), CoreMatchers.is(0));
            assertThat(converted.getInt(6, 8), CoreMatchers.is(0));
            assertThat(converted.getInt(7, 8), CoreMatchers.is(1));
            assertThat(converted.getInt(8, 8), CoreMatchers.is(2));
            assertThat(converted.getInt(9, 8), CoreMatchers.is(3));
            assertThat(converted.getInt(10, 8), CoreMatchers.is(4));
            assertThat(converted.getInt(11, 8), CoreMatchers.is(5));

        } catch (Exception e) {
            LOG.severe(e.getMessage());
            throw e;
        }

    }

}