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package thredds.server.ncss.controller.grid;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.MvcResult;
import org.springframework.test.web.servlet.RequestBuilder;
import org.springframework.test.web.servlet.ResultMatcher;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;
import thredds.mock.params.GridDataParameters;
import thredds.mock.params.GridPathParams;
import thredds.mock.web.MockTdsContextLoader;
import thredds.server.ncss.controller.AbstractNcssController;
import thredds.server.ncss.format.SupportedFormat;
import thredds.server.ncss.dataservice.DatasetHandlerAdapter;
import thredds.junit4.SpringJUnit4ParameterizedClassRunner;
import thredds.junit4.SpringJUnit4ParameterizedClassRunner.Parameters;
import ucar.nc2.NetcdfFile;
import ucar.nc2.dataset.NetcdfDataset;
import ucar.nc2.dt.GridDataset;
import ucar.unidata.geoloc.LatLonPointImpl;
import ucar.unidata.geoloc.LatLonRect;
import ucar.unidata.util.test.category.NeedsCdmUnitTest;
/**
* @author marcos
*
*/
@RunWith(SpringJUnit4ParameterizedClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(locations = { "/WEB-INF/applicationContext-tdsConfig.xml" }, loader = MockTdsContextLoader.class)
@Category(NeedsCdmUnitTest.class)
public class SpatialSubsettingTest {
@Autowired
private WebApplicationContext wac;
private MockMvc mockMvc;
private RequestBuilder requestBuilder;
private String accept;
private String pathInfo;
private List<String> vars;
private double[] latlonRectParams;
private LatLonRect requestedBBOX;
private LatLonRect datasetBBOX;
@Parameters
public static Collection<Object[]> getTestParameters(){
return Arrays.asList( new Object[][]{
{ SupportedFormat.NETCDF3, GridPathParams.getPathInfo().get(4), GridDataParameters.getVars().get(0), GridDataParameters.getLatLonRect().get(0) },//bounding box contained in the declared dataset bbox
{ SupportedFormat.NETCDF3, GridPathParams.getPathInfo().get(4), GridDataParameters.getVars().get(0), GridDataParameters.getLatLonRect().get(1) }, //bounding box that intersects the declared bbox
{ SupportedFormat.NETCDF4, GridPathParams.getPathInfo().get(4), GridDataParameters.getVars().get(0), GridDataParameters.getLatLonRect().get(0) },//bounding box contained in the declared dataset bbox
{ SupportedFormat.NETCDF4, GridPathParams.getPathInfo().get(4), GridDataParameters.getVars().get(0), GridDataParameters.getLatLonRect().get(1) }, //bounding box that intersects the declared bbox
});
}
public SpatialSubsettingTest( SupportedFormat format, String pathInfo, List<String> vars, double[] latlonRectParams){
this.accept = format.getAliases().get(0);
this.pathInfo = pathInfo;
this.vars = vars;
this.latlonRectParams = latlonRectParams;
}
@Before
public void setUp() throws IOException{
mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
String servletPath = pathInfo;
//Creates values for param var
Iterator<String> it = vars.iterator();
String varParamVal = it.next();
while(it.hasNext()){
String next = it.next();
varParamVal =varParamVal+","+next;
}
requestBuilder = MockMvcRequestBuilders.get(servletPath).servletPath(servletPath).param("var", varParamVal)
.param("west", String.valueOf( latlonRectParams[0]))
.param("south",String.valueOf( latlonRectParams[1]))
.param("east", String.valueOf( latlonRectParams[2]))
.param("north",String.valueOf( latlonRectParams[3]))
.param("accept", accept);
String datasetPath = AbstractNcssController.getDatasetPath(this.pathInfo);
GridDataset gds = DatasetHandlerAdapter.openGridDataset(datasetPath);
assert (gds != null);
requestedBBOX = new LatLonRect(new LatLonPointImpl(latlonRectParams[1], latlonRectParams[0]), new LatLonPointImpl(latlonRectParams[3], latlonRectParams[2]) );
datasetBBOX = gds.getBoundingBox();
gds.close();
}
@Test
public void shouldGetVariablesSubset() throws Exception{
//gridDataController.getGridSubset(params, validationResult, response);
this.mockMvc.perform(requestBuilder)
.andExpect(MockMvcResultMatchers.status().isOk())
.andExpect( new ResultMatcher(){
public void match(MvcResult result) throws Exception{
//Open the binary response in memory
NetcdfFile nf = NetcdfFile.openInMemory("test_data.ncs", result.getResponse().getContentAsByteArray() );
ucar.nc2.dt.grid.GridDataset gdsDataset =new ucar.nc2.dt.grid.GridDataset(new NetcdfDataset(nf));
LatLonRect responseBBox= gdsDataset.getBoundingBox();
assertTrue( responseBBox.intersect((datasetBBOX))!= null && responseBBox.intersect((requestedBBOX))!= null);
assertTrue( !responseBBox.equals(datasetBBOX));
}
});
}
// @After
// public void tearDown() throws IOException{
//
// GridDataset gds =gridDataController.getGridDataset();
// gds.close();
// gds =null;
// gridDataController.setGridDataset(null);
//
// }
}