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 *
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package ucar.nc2.jni.netcdf;

import org.junit.Assume;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.TemporaryFolder;
import ucar.ma2.InvalidRangeException;
import ucar.nc2.*;
import ucar.nc2.util.CancelTaskImpl;
import ucar.unidata.util.test.category.NeedsCdmUnitTest;
import ucar.unidata.util.test.TestDir;

import java.io.IOException;

/**
 * Test writing structure data into netcdf4.
 *
 * @author caron
 * @since 5/12/14
 */
@Category(NeedsCdmUnitTest.class)
public class TestNc4Structures {
  @Rule
  public TemporaryFolder tempFolder = new TemporaryFolder();

  @Before
  public void setLibrary() {
    // Ignore this class's tests if NetCDF-4 isn't present.
    // We're using @Before because it shows these tests as being ignored.
    // @BeforeClass shows them as *non-existent*, which is not what we want.
    Assume.assumeTrue("NetCDF-4 C library not present.", Nc4Iosp.isClibraryPresent());
  }

  @Test
  public void writeStructureFromNids() throws IOException, InvalidRangeException {
    //String datasetIn = TestDir.cdmUnitTestDir  + "formats/nexrad/level3/KBMX_SDUS64_NTVBMX_201104272341";
    String datasetIn = TestDir.cdmUnitTestDir  + "formats/nexrad/level3/NVW_20041117_1657";
    String datasetOut = tempFolder.newFile("TestNc4StructuresFromNids.nc4").getAbsolutePath();
    writeStructure(datasetIn, datasetOut);
  }

  @Test
  public void writeStructure() throws IOException, InvalidRangeException {
    String datasetIn = TestDir.cdmUnitTestDir  + "formats/netcdf4/compound/tst_compounds.nc4";
    String datasetOut = tempFolder.newFile("TestNc4Structures.nc4").getAbsolutePath();
    writeStructure(datasetIn, datasetOut);
  }

  private void writeStructure(String datasetIn, String datasetOut) throws IOException {
    CancelTaskImpl cancel = new CancelTaskImpl();
    NetcdfFile ncfileIn = ucar.nc2.dataset.NetcdfDataset.openFile(datasetIn, cancel);
    System.out.printf("NetcdfDatataset read from %s write to %s %n", datasetIn, datasetOut);

    FileWriter2 writer = new ucar.nc2.FileWriter2(ncfileIn, datasetOut, NetcdfFileWriter.Version.netcdf4, null);
    NetcdfFile ncfileOut = writer.write(cancel);
    if (ncfileOut != null) ncfileOut.close();
    ncfileIn.close();
    cancel.setDone(true);
    System.out.printf("%s%n", cancel);
  }
}