src/test/java/org/eclipse/mdm/api/base/model/ModelTest.java - mdmbl/org.eclipse.mdm.api.base - Git at Google

 /*
  * Copyright (c) 2017 science+computing ag
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  */

 package org.eclipse.mdm.api.base.model;

 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertTrue;

 import java.util.HashMap;
 import java.util.Map;

 import org.eclipse.mdm.api.base.CoreImpl;
 import org.eclipse.mdm.api.base.EntityFactoryImpl;
 import org.eclipse.mdm.api.base.core.Core;
 import org.eclipse.mdm.api.base.massdata.UnitBuilder;
 import org.eclipse.mdm.api.base.massdata.WriteRequest;
 import org.eclipse.mdm.api.base.massdata.WriteRequestBuilder;
 import org.eclipse.mdm.api.base.model.MeasuredValues.ValueIterator;

 /**
  *
  * some unit test to test functionality of org.eclipse.mdm.api.base.model. At
  * this point, please don't expect anything near complete test coverage.
  *
  * @author Florian Schmitt
  *
  */
 public class ModelTest {

 	/**
 	 * Quick and dirty comparison of two numbers for approximate equality
 	 *
 	 * @param a
 	 * @param b
 	 * @return
 	 */
 	private <T extends Number> boolean fpEquals(T a, T b) {
 		double eps = 0.00005d;
 		double ad = a.doubleValue();
 		double bd = b.doubleValue();
 		return (Math.abs(ad - bd) < eps * Math.abs(Math.max(ad, bd)));
 	}

 	/**
 	 * basic test for reading the value of a parameter.The intialization via
 	 * maps is needed to simulate the data store.
 	 */
 	@org.junit.Test
 	public void parameterValue() {
 		Map<String, Value> map = new HashMap<String, Value>();
 		map.put("DataType", new Value(ValueType.STRING, "DataType", null, true, ScalarType.FLOAT, ScalarType.class,
 				ScalarType.FLOAT, EnumRegistry.SCALAR_TYPE));
 		map.put("Value", ValueType.STRING.create("Value", null, true, "5.7"));
 		map.put("Name", ValueType.STRING.create("Name", null, true, "paramname"));
 		Core core = new CoreImpl(map);
 		Parameter tp = new Parameter(core);
 		Value vv = tp.getVirtualValue();
 		Float extracted = vv.<Float>extract();
 		assertTrue(fpEquals(new Float(5.7f), extracted));
 	}

 	/**
 	 * basic test for reading measured float values
 	 */
 	@org.junit.Test
 	public void measuredValueFloat() {
 		Float[] vals = { 1.0f, 2.0f, 3.7f, 2.1f };
 		boolean[] flags = { true, true, false, true };
 		MeasuredValues mv = new MeasuredValues(ScalarType.FLOAT, "Value1", "lightyears", vals, flags);
 		ValueIterator<Float> valueIterator = mv.iterator();
 		int i = 0;
 		while (valueIterator.hasNext()) {
 			boolean isCurrentValid = valueIterator.isValid();
 			Float currentValue = valueIterator.next();
 			assertTrue(fpEquals(vals[i], currentValue));
 			assertEquals(flags[i], isCurrentValid);
 			i++;
 		}
 		assertEquals(i, vals.length);
 	}

 	/**
 	 * basic test for reading measured double values
 	 */
 	@org.junit.Test
 	public void measuredValueDouble() {
 		Double[] vals = { 1.0d, 2.0d, 3.7d, 2.1d };
 		boolean[] flags = { true, true, false, true };
 		MeasuredValues mv = new MeasuredValues(ScalarType.DOUBLE, "Value1", "lightyears", vals, flags);
 		ValueIterator<Double> valueIterator = mv.iterator();
 		int i = 0;
 		while (valueIterator.hasNext()) {
 			boolean isCurrentValid = valueIterator.isValid();
 			Double currentValue = valueIterator.next();
 			assertTrue(fpEquals(vals[i], currentValue));
 			assertEquals(flags[i], isCurrentValid);
 			i++;
 		}
 		assertEquals(i, vals.length);
 	}

 	/**
 	 * basic test for reading measured string values
 	 */
 	@org.junit.Test
 	public void measuredValueString() {
 		String[] vals = { "str1", "str2", "str3", "str4" };
 		boolean[] flags = { true, true, false, true };
 		MeasuredValues mv = new MeasuredValues(ScalarType.STRING, "Value1", "lightyears", vals, flags);
 		ValueIterator<String> valueIterator = mv.iterator();
 		int i = 0;
 		while (valueIterator.hasNext()) {
 			boolean isCurrentValid = valueIterator.isValid();
 			String currentValue = valueIterator.next();
 			assertEquals(vals[i], currentValue);
 			assertEquals(flags[i], isCurrentValid);
 			i++;
 		}
 		assertEquals(i, vals.length);
 	}

 	/**
 	 * basic test for reading attributes of the channel.The intialization via
 	 * maps is needed to simulate the data store.
 	 */
 	@org.junit.Test
 	public void getChannelAttrs() {
 		Map<String, Value> map = new HashMap<String, Value>();
 		float min_src = 5.7f;
 		float max_src = 10.23f;
 		map.put("Minimum", ValueType.DOUBLE.create("Minimum", "m/s", true, new Double(min_src)));
 		map.put("Maximum", ValueType.DOUBLE.create("Maximum", "m/s", true, new Double(max_src)));
 		Core core = new CoreImpl(map);
 		Channel ch = new Channel(core);
 		Double min = ch.getMinimum();
 		Double max = ch.getMaximum();
 		assertTrue(fpEquals(min, min_src));
 		assertTrue(fpEquals(max, max_src));
 	}

 	/**
 	 * basic test to read the default scalar type of a quantity. The
 	 * intialization via maps is needed to simulate the data store.
 	 */
 	@org.junit.Test
 	public void getQuantity() {
 		Map<String, Value> map = new HashMap<String, Value>();
 		map.put("DefDataType", new Value(ValueType.ENUMERATION, "name", "unit", true, ScalarType.FLOAT,
 				ScalarType.class, ScalarType.FLOAT, EnumRegistry.SCALAR_TYPE));
 		Core core = new CoreImpl(map);
 		Quantity quantity = new Quantity(core);
 		ScalarType defaultScalarType = quantity.getDefaultScalarType();
 		assertTrue(defaultScalarType.isFloat());
 	}

 	/**
 	 * basic test for building a write request
 	 */
 	@org.junit.Test
 	public void writeRequest() {
 		AxisType axisType = AxisType.X_AXIS;
 		Map<String, Value> map = new HashMap<String, Value>();
 		Core core = new CoreImpl(map);
 		ChannelGroup channelGroup = new ChannelGroup(core);
 		Channel channel = new Channel(core);
 		WriteRequestBuilder wrb = WriteRequest.create(channelGroup, channel, axisType);
 		UnitBuilder ub = wrb.implicitConstant(ScalarType.DOUBLE, 0.7d);
 		WriteRequest wr = ub.build();
 		SequenceRepresentation sequenceRepresentation = wr.getSequenceRepresentation();
 		assertTrue(sequenceRepresentation.isConstant());
 		assertEquals(AxisType.X_AXIS, wr.getAxisType());
 	}

 	/**
 	 * basic test for getting a measurement channel and all necessary related
 	 * objects (measurment, and so on) via factory methods. The intialization
 	 * via maps is needed to simulate the data store.
 	 */
 	@org.junit.Test
 	public void entityFactory() {
 		Map<String, Value> map = new HashMap<String, Value>();
 		map.put("Name", ValueType.STRING.create("Name", null, true, "pdnameabc"));
 		map.put("Length", ValueType.INTEGER.create("Length", null, true, 13));
 		map.put("Mass", ValueType.INTEGER.create("Length", null, true, 0));
 		map.put("Time", ValueType.INTEGER.create("Length", null, true, 0));
 		map.put("Temperature", ValueType.INTEGER.create("Length", null, true, 0));
 		map.put("Current", ValueType.INTEGER.create("Length", null, true, 0));
 		map.put("MolarAmount", ValueType.INTEGER.create("Length", null, true, 0));
 		map.put("LuminousIntensity", ValueType.INTEGER.create("Length", null, true, 0));
 		// TODO (Florian Schmitt): check if angle in lower case is correct
 		map.put("angle", ValueType.INTEGER.create("Length", null, true, 0));
 		Core core = new CoreImpl(map);
 		EntityFactoryImpl ef = new EntityFactoryImpl(core);
 		PhysicalDimension physicalDimension = ef.createPhysicalDimension("physdim");

 		map = new HashMap<String, Value>();
 		map.put("Offset", ValueType.DOUBLE.create("Length", null, true, 0d));
 		map.put("Factor", ValueType.DOUBLE.create("Length", null, true, 0d));
 		map.put("Name", ValueType.STRING.create("Name", null, true, "unitname"));
 		core = new CoreImpl(map);
 		ef = new EntityFactoryImpl(core);
 		Unit unit = ef.createUnit("unit", physicalDimension);

 		map = new HashMap<String, Value>();
 		map.put("Name", ValueType.STRING.create("Name", null, true, "quantname"));
 		map.put("Version", ValueType.STRING.create("Version", null, true, "4711"));
 		map.put("DateCreated", ValueType.DATE.create("DateCreated", null, true, null));
 		map.put("DefaultRank", ValueType.INTEGER.create("DefaultRank", null, true, 5));
 		map.put("DefDimension", ValueType.INTEGER_SEQUENCE.create("DefDimension", null, true, new int[] { 5 }));
 		map.put("DefTypeSize", ValueType.INTEGER.create("DefTypeSize", null, true, 8));
 		map.put("DefMQName", ValueType.STRING.create("DefMQName", null, true, "mqname"));
 		map.put("DefDataType", new Value(ValueType.ENUMERATION, "DefDataType", "", true, ScalarType.DOUBLE,
 				ScalarType.class, ScalarType.DOUBLE, EnumRegistry.SCALAR_TYPE));
 		map.put("ValidFlag", new Value(ValueType.ENUMERATION, "ValidFlag", "", false, VersionState.ARCHIVED,
 				VersionState.class, null, EnumRegistry.VERSION_STATE));
 		map.put("Description", ValueType.STRING.create("Description", null, true, null));
 		core = new CoreImpl(map);
 		ef = new EntityFactoryImpl(core);
 		Quantity quantity = ef.createQuantity("quantity", unit);
 		// Note that default values are set in createQuantity and thus should
 		// differ from above.
 		assertEquals(ScalarType.FLOAT, quantity.getDefaultScalarType());
 		assertEquals((Integer) 1, quantity.getDefaultRank());
 		assertEquals("quantity", quantity.getName());
 		assertEquals(unit, quantity.getDefaultUnit());

 		map = new HashMap<String, Value>();
 		map.put("Name", ValueType.STRING.create("Name", null, true, null));
 		map.put("DateCreated", ValueType.DATE.create("DateCreated", null, true, null));
 		core = new CoreImpl(map);
 		ef = new EntityFactoryImpl(core);
 		Test test = ef.createTest("mytest");

 		map = new HashMap<String, Value>();
 		map.put("Name", ValueType.STRING.create("Name", null, true, null));
 		map.put("DateCreated", ValueType.DATE.create("DateCreated", null, true, null));
 		map.put("Optional", ValueType.BOOLEAN.create("Optional", null, true, null));
 		map.put("Sortindex", ValueType.INTEGER.create("Sortindex", null, true, null));
 		core = new CoreImpl(map);
 		ef = new EntityFactoryImpl(core);
 		TestStep testStep = ef.createTestStep("teststep", test);

 		map = new HashMap<String, Value>();
 		map.put("Name", ValueType.STRING.create("Name", null, true, null));
 		map.put("DateCreated", ValueType.DATE.create("DateCreated", null, true, null));
 		core = new CoreImpl(map);
 		ef = new EntityFactoryImpl(core);
 		Measurement measurement = ef.createMeasurement("measurement", testStep);

 		map = new HashMap<String, Value>();
 		map.put("Name", ValueType.STRING.create("Name", null, true, null));
 		map.put("Description", ValueType.STRING.create("Description", null, true, null));
 		map.put("Interpolation", new Value(ValueType.ENUMERATION, "Interpolation", "", true, null, Interpolation.class,
 				null, EnumRegistry.SCALAR_TYPE));
 		map.put("DataType", new Value(ValueType.ENUMERATION, "DataType", "", true, null, ScalarType.class, null,
 				EnumRegistry.SCALAR_TYPE));

 		map.put("TypeSize", ValueType.INTEGER.create("TypeSize", null, true, null));
 		map.put("Rank", ValueType.INTEGER.create("Rank", null, true, null));
 		core = new CoreImpl(map);
 		ef = new EntityFactoryImpl(core);
 		Channel channel = ef.createChannel("channel", measurement, quantity);
 		assertEquals(Interpolation.NONE, channel.getInterpolation());
 	}

 	/**
 	 * basic test of some ValuType methods.
 	 */
 	@org.junit.Test
 	public void valueType() {
 		EnumRegistry.getInstance();
 		assertEquals(ValueType.SHORT_SEQUENCE.toSingleType(), ValueType.SHORT);
 		assertEquals(ValueType.DATE.toSequenceType(), ValueType.DATE_SEQUENCE);
 		assertEquals(ValueType.ENUMERATION_SEQUENCE.toSingleType(), ValueType.ENUMERATION);
 		assertEquals(ValueType.ENUMERATION.toSingleType(), ValueType.ENUMERATION);
 		assertEquals(ValueType.ENUMERATION, ValueType.ENUMERATION.valueOf(ValueType.ENUMERATION.toSingleType().name()));
 		assertEquals(Float.class, ValueType.FLOAT.getValueClass());
 		assertEquals(true, ValueType.DOUBLE.isAnyFloatType());
 		assertEquals(true, ValueType.DOUBLE.isDouble());
 		assertEquals(false, ValueType.DOUBLE.isFloat());
 		assertEquals(true, ValueType.FLOAT.isAnyFloatType());
 		assertEquals(false, ValueType.INTEGER.isAnyFloatType());
 		assertEquals(true, ValueType.INTEGER.isInteger());
 		assertEquals(false, ValueType.FLOAT.isInteger());
 		assertEquals(true, ValueType.FLOAT.isFloat());
 	}

 	/**
 	 * basic tests of some ScalarType methods
 	 */
 	@org.junit.Test
 	public void scalarType() {
 		assertEquals(ValueType.BYTE_SEQUENCE, ScalarType.BYTE.toValueType());
 		assertEquals(true, ScalarType.LONG.isLong());
 		assertEquals(false, ScalarType.DOUBLE_COMPLEX.isLong());
 	}

 	/**
 	 * basic test of some SequenceReprestentaion methods
 	 */
 	@org.junit.Test
 	public void sequenceRepresentation() {
 		assertNotEquals(SequenceRepresentation.EXPLICIT, SequenceRepresentation.IMPLICIT_CONSTANT);
 		assertTrue(SequenceRepresentation.EXPLICIT.isExplicit());
 		assertTrue(SequenceRepresentation.EXPLICIT_EXTERNAL.isExplicit());
 		assertTrue(SequenceRepresentation.EXPLICIT_EXTERNAL.isExternal());
 		assertFalse(SequenceRepresentation.EXPLICIT_EXTERNAL.isImplicit());
 		assertEquals(SequenceRepresentation.EXPLICIT.ordinal(), (Integer) 0);
 		assertEquals((Integer) 5, SequenceRepresentation.RAW_POLYNOMIAL.ordinal());
 		assertEquals((Integer) 7, SequenceRepresentation.EXPLICIT_EXTERNAL.ordinal());
 		assertEquals((Integer) 9, SequenceRepresentation.RAW_POLYNOMIAL_EXTERNAL.ordinal());
 		assertEquals((Integer) 10, SequenceRepresentation.RAW_LINEAR_CALIBRATED.ordinal());
 		assertEquals((Integer) 11, SequenceRepresentation.RAW_LINEAR_CALIBRATED_EXTERNAL.ordinal());
 	}

 	/**
 	 * basic tests of TypeSpecification
 	 */
 	@org.junit.Test
 	public void typeSpecification() {
 		assertNotEquals(TypeSpecification.BIT_INTEGER, TypeSpecification.BIT_FLOAT_BEO);
 		assertEquals(TypeSpecification.BOOLEAN, TypeSpecification.BOOLEAN);
 	}

 	/**
 	 * basic tests of AxisTzpe methods
 	 */
 	@org.junit.Test
 	public void axisType() {
 		assertTrue(AxisType.X_AXIS.isXAxis());
 		assertTrue(AxisType.Y_AXIS.isYAxis());
 		assertTrue(AxisType.XY_AXIS.isXYAxis());
 		assertFalse(AxisType.X_AXIS.isYAxis());
 		assertFalse(AxisType.Y_AXIS.isXYAxis());
 		assertFalse(AxisType.XY_AXIS.isXAxis());
 	}

 	/**
 	 * basic tests of VersionState enumeration
 	 */
 	@org.junit.Test
 	public void versionState() {
 		assertFalse(VersionState.ARCHIVED.isEditable());
 		assertTrue(VersionState.ARCHIVED.isArchived());
 		assertFalse(VersionState.ARCHIVED.isValid());
 		assertTrue(VersionState.EDITABLE.isEditable());
 		assertFalse(VersionState.EDITABLE.isArchived());
 		assertFalse(VersionState.EDITABLE.isValid());
 		assertFalse(VersionState.VALID.isEditable());
 		assertFalse(VersionState.VALID.isArchived());
 		assertTrue(VersionState.VALID.isValid());
 	}

 	/**
 	 * basic tests of interpolation enumeration
 	 */
 	@org.junit.Test
 	public void interpolation() {
 		assertTrue(Interpolation.LINEAR.isLinear());
 		assertFalse(Interpolation.NONE.isSpecific());
 		assertEquals(Interpolation.NONE.ordinal(), (Integer) 0);
 		assertEquals(Interpolation.LINEAR.ordinal(), (Integer) 1);
 		assertEquals(Interpolation.SPECIFIC.ordinal(), (Integer) 2);
 	}

 	@org.junit.Test
 	public void enumRegistry() {
 		EnumRegistry er = EnumRegistry.getInstance();
 		assertTrue(er.get("Interpolation") instanceof Enumeration<?>);
 	}

 }
	/*
	* Copyright (c) 2017 science+computing ag
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*/

	package org.eclipse.mdm.api.base.model;

	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertFalse;
	import static org.junit.Assert.assertNotEquals;
	import static org.junit.Assert.assertTrue;

	import java.util.HashMap;
	import java.util.Map;

	import org.eclipse.mdm.api.base.CoreImpl;
	import org.eclipse.mdm.api.base.EntityFactoryImpl;
	import org.eclipse.mdm.api.base.core.Core;
	import org.eclipse.mdm.api.base.massdata.UnitBuilder;
	import org.eclipse.mdm.api.base.massdata.WriteRequest;
	import org.eclipse.mdm.api.base.massdata.WriteRequestBuilder;
	import org.eclipse.mdm.api.base.model.MeasuredValues.ValueIterator;

	/**
	*
	* some unit test to test functionality of org.eclipse.mdm.api.base.model. At
	* this point, please don't expect anything near complete test coverage.
	*
	* @author Florian Schmitt
	*
	*/
	public class ModelTest {

	/**
	* Quick and dirty comparison of two numbers for approximate equality
	*
	* @param a
	* @param b
	* @return
	*/
	private <T extends Number> boolean fpEquals(T a, T b) {
	double eps = 0.00005d;
	double ad = a.doubleValue();
	double bd = b.doubleValue();
	return (Math.abs(ad - bd) < eps * Math.abs(Math.max(ad, bd)));
	}

	/**
	* basic test for reading the value of a parameter.The intialization via
	* maps is needed to simulate the data store.
	*/
	@org.junit.Test
	public void parameterValue() {
	Map<String, Value> map = new HashMap<String, Value>();
	map.put("DataType", new Value(ValueType.STRING, "DataType", null, true, ScalarType.FLOAT, ScalarType.class,
	ScalarType.FLOAT, EnumRegistry.SCALAR_TYPE));
	map.put("Value", ValueType.STRING.create("Value", null, true, "5.7"));
	map.put("Name", ValueType.STRING.create("Name", null, true, "paramname"));
	Core core = new CoreImpl(map);
	Parameter tp = new Parameter(core);
	Value vv = tp.getVirtualValue();
	Float extracted = vv.<Float>extract();
	assertTrue(fpEquals(new Float(5.7f), extracted));
	}

	/**
	* basic test for reading measured float values
	*/
	@org.junit.Test
	public void measuredValueFloat() {
	Float[] vals = { 1.0f, 2.0f, 3.7f, 2.1f };
	boolean[] flags = { true, true, false, true };
	MeasuredValues mv = new MeasuredValues(ScalarType.FLOAT, "Value1", "lightyears", vals, flags);
	ValueIterator<Float> valueIterator = mv.iterator();
	int i = 0;
	while (valueIterator.hasNext()) {
	boolean isCurrentValid = valueIterator.isValid();
	Float currentValue = valueIterator.next();
	assertTrue(fpEquals(vals[i], currentValue));
	assertEquals(flags[i], isCurrentValid);
	i++;
	}
	assertEquals(i, vals.length);
	}

	/**
	* basic test for reading measured double values
	*/
	@org.junit.Test
	public void measuredValueDouble() {
	Double[] vals = { 1.0d, 2.0d, 3.7d, 2.1d };
	boolean[] flags = { true, true, false, true };
	MeasuredValues mv = new MeasuredValues(ScalarType.DOUBLE, "Value1", "lightyears", vals, flags);
	ValueIterator<Double> valueIterator = mv.iterator();
	int i = 0;
	while (valueIterator.hasNext()) {
	boolean isCurrentValid = valueIterator.isValid();
	Double currentValue = valueIterator.next();
	assertTrue(fpEquals(vals[i], currentValue));
	assertEquals(flags[i], isCurrentValid);
	i++;
	}
	assertEquals(i, vals.length);
	}

	/**
	* basic test for reading measured string values
	*/
	@org.junit.Test
	public void measuredValueString() {
	String[] vals = { "str1", "str2", "str3", "str4" };
	boolean[] flags = { true, true, false, true };
	MeasuredValues mv = new MeasuredValues(ScalarType.STRING, "Value1", "lightyears", vals, flags);
	ValueIterator<String> valueIterator = mv.iterator();
	int i = 0;
	while (valueIterator.hasNext()) {
	boolean isCurrentValid = valueIterator.isValid();
	String currentValue = valueIterator.next();
	assertEquals(vals[i], currentValue);
	assertEquals(flags[i], isCurrentValid);
	i++;
	}
	assertEquals(i, vals.length);
	}

	/**
	* basic test for reading attributes of the channel.The intialization via
	* maps is needed to simulate the data store.
	*/
	@org.junit.Test
	public void getChannelAttrs() {
	Map<String, Value> map = new HashMap<String, Value>();
	float min_src = 5.7f;
	float max_src = 10.23f;
	map.put("Minimum", ValueType.DOUBLE.create("Minimum", "m/s", true, new Double(min_src)));
	map.put("Maximum", ValueType.DOUBLE.create("Maximum", "m/s", true, new Double(max_src)));
	Core core = new CoreImpl(map);
	Channel ch = new Channel(core);
	Double min = ch.getMinimum();
	Double max = ch.getMaximum();
	assertTrue(fpEquals(min, min_src));
	assertTrue(fpEquals(max, max_src));
	}

	/**
	* basic test to read the default scalar type of a quantity. The
	* intialization via maps is needed to simulate the data store.
	*/
	@org.junit.Test
	public void getQuantity() {
	Map<String, Value> map = new HashMap<String, Value>();
	map.put("DefDataType", new Value(ValueType.ENUMERATION, "name", "unit", true, ScalarType.FLOAT,
	ScalarType.class, ScalarType.FLOAT, EnumRegistry.SCALAR_TYPE));
	Core core = new CoreImpl(map);
	Quantity quantity = new Quantity(core);
	ScalarType defaultScalarType = quantity.getDefaultScalarType();
	assertTrue(defaultScalarType.isFloat());
	}

	/**
	* basic test for building a write request
	*/
	@org.junit.Test
	public void writeRequest() {
	AxisType axisType = AxisType.X_AXIS;
	Map<String, Value> map = new HashMap<String, Value>();
	Core core = new CoreImpl(map);
	ChannelGroup channelGroup = new ChannelGroup(core);
	Channel channel = new Channel(core);
	WriteRequestBuilder wrb = WriteRequest.create(channelGroup, channel, axisType);
	UnitBuilder ub = wrb.implicitConstant(ScalarType.DOUBLE, 0.7d);
	WriteRequest wr = ub.build();
	SequenceRepresentation sequenceRepresentation = wr.getSequenceRepresentation();
	assertTrue(sequenceRepresentation.isConstant());
	assertEquals(AxisType.X_AXIS, wr.getAxisType());
	}

	/**
	* basic test for getting a measurement channel and all necessary related
	* objects (measurment, and so on) via factory methods. The intialization
	* via maps is needed to simulate the data store.
	*/
	@org.junit.Test
	public void entityFactory() {
	Map<String, Value> map = new HashMap<String, Value>();
	map.put("Name", ValueType.STRING.create("Name", null, true, "pdnameabc"));
	map.put("Length", ValueType.INTEGER.create("Length", null, true, 13));
	map.put("Mass", ValueType.INTEGER.create("Length", null, true, 0));
	map.put("Time", ValueType.INTEGER.create("Length", null, true, 0));
	map.put("Temperature", ValueType.INTEGER.create("Length", null, true, 0));
	map.put("Current", ValueType.INTEGER.create("Length", null, true, 0));
	map.put("MolarAmount", ValueType.INTEGER.create("Length", null, true, 0));
	map.put("LuminousIntensity", ValueType.INTEGER.create("Length", null, true, 0));
	// TODO (Florian Schmitt): check if angle in lower case is correct
	map.put("angle", ValueType.INTEGER.create("Length", null, true, 0));
	Core core = new CoreImpl(map);
	EntityFactoryImpl ef = new EntityFactoryImpl(core);
	PhysicalDimension physicalDimension = ef.createPhysicalDimension("physdim");

	map = new HashMap<String, Value>();
	map.put("Offset", ValueType.DOUBLE.create("Length", null, true, 0d));
	map.put("Factor", ValueType.DOUBLE.create("Length", null, true, 0d));
	map.put("Name", ValueType.STRING.create("Name", null, true, "unitname"));
	core = new CoreImpl(map);
	ef = new EntityFactoryImpl(core);
	Unit unit = ef.createUnit("unit", physicalDimension);

	map = new HashMap<String, Value>();
	map.put("Name", ValueType.STRING.create("Name", null, true, "quantname"));
	map.put("Version", ValueType.STRING.create("Version", null, true, "4711"));
	map.put("DateCreated", ValueType.DATE.create("DateCreated", null, true, null));
	map.put("DefaultRank", ValueType.INTEGER.create("DefaultRank", null, true, 5));
	map.put("DefDimension", ValueType.INTEGER_SEQUENCE.create("DefDimension", null, true, new int[] { 5 }));
	map.put("DefTypeSize", ValueType.INTEGER.create("DefTypeSize", null, true, 8));
	map.put("DefMQName", ValueType.STRING.create("DefMQName", null, true, "mqname"));
	map.put("DefDataType", new Value(ValueType.ENUMERATION, "DefDataType", "", true, ScalarType.DOUBLE,
	ScalarType.class, ScalarType.DOUBLE, EnumRegistry.SCALAR_TYPE));
	map.put("ValidFlag", new Value(ValueType.ENUMERATION, "ValidFlag", "", false, VersionState.ARCHIVED,
	VersionState.class, null, EnumRegistry.VERSION_STATE));
	map.put("Description", ValueType.STRING.create("Description", null, true, null));
	core = new CoreImpl(map);
	ef = new EntityFactoryImpl(core);
	Quantity quantity = ef.createQuantity("quantity", unit);
	// Note that default values are set in createQuantity and thus should
	// differ from above.
	assertEquals(ScalarType.FLOAT, quantity.getDefaultScalarType());
	assertEquals((Integer) 1, quantity.getDefaultRank());
	assertEquals("quantity", quantity.getName());
	assertEquals(unit, quantity.getDefaultUnit());

	map = new HashMap<String, Value>();
	map.put("Name", ValueType.STRING.create("Name", null, true, null));
	map.put("DateCreated", ValueType.DATE.create("DateCreated", null, true, null));
	core = new CoreImpl(map);
	ef = new EntityFactoryImpl(core);
	Test test = ef.createTest("mytest");

	map = new HashMap<String, Value>();
	map.put("Name", ValueType.STRING.create("Name", null, true, null));
	map.put("DateCreated", ValueType.DATE.create("DateCreated", null, true, null));
	map.put("Optional", ValueType.BOOLEAN.create("Optional", null, true, null));
	map.put("Sortindex", ValueType.INTEGER.create("Sortindex", null, true, null));
	core = new CoreImpl(map);
	ef = new EntityFactoryImpl(core);
	TestStep testStep = ef.createTestStep("teststep", test);

	map = new HashMap<String, Value>();
	map.put("Name", ValueType.STRING.create("Name", null, true, null));
	map.put("DateCreated", ValueType.DATE.create("DateCreated", null, true, null));
	core = new CoreImpl(map);
	ef = new EntityFactoryImpl(core);
	Measurement measurement = ef.createMeasurement("measurement", testStep);

	map = new HashMap<String, Value>();
	map.put("Name", ValueType.STRING.create("Name", null, true, null));
	map.put("Description", ValueType.STRING.create("Description", null, true, null));
	map.put("Interpolation", new Value(ValueType.ENUMERATION, "Interpolation", "", true, null, Interpolation.class,
	null, EnumRegistry.SCALAR_TYPE));
	map.put("DataType", new Value(ValueType.ENUMERATION, "DataType", "", true, null, ScalarType.class, null,
	EnumRegistry.SCALAR_TYPE));

	map.put("TypeSize", ValueType.INTEGER.create("TypeSize", null, true, null));
	map.put("Rank", ValueType.INTEGER.create("Rank", null, true, null));
	core = new CoreImpl(map);
	ef = new EntityFactoryImpl(core);
	Channel channel = ef.createChannel("channel", measurement, quantity);
	assertEquals(Interpolation.NONE, channel.getInterpolation());
	}

	/**
	* basic test of some ValuType methods.
	*/
	@org.junit.Test
	public void valueType() {
	EnumRegistry.getInstance();
	assertEquals(ValueType.SHORT_SEQUENCE.toSingleType(), ValueType.SHORT);
	assertEquals(ValueType.DATE.toSequenceType(), ValueType.DATE_SEQUENCE);
	assertEquals(ValueType.ENUMERATION_SEQUENCE.toSingleType(), ValueType.ENUMERATION);
	assertEquals(ValueType.ENUMERATION.toSingleType(), ValueType.ENUMERATION);
	assertEquals(ValueType.ENUMERATION, ValueType.ENUMERATION.valueOf(ValueType.ENUMERATION.toSingleType().name()));
	assertEquals(Float.class, ValueType.FLOAT.getValueClass());
	assertEquals(true, ValueType.DOUBLE.isAnyFloatType());
	assertEquals(true, ValueType.DOUBLE.isDouble());
	assertEquals(false, ValueType.DOUBLE.isFloat());
	assertEquals(true, ValueType.FLOAT.isAnyFloatType());
	assertEquals(false, ValueType.INTEGER.isAnyFloatType());
	assertEquals(true, ValueType.INTEGER.isInteger());
	assertEquals(false, ValueType.FLOAT.isInteger());
	assertEquals(true, ValueType.FLOAT.isFloat());
	}

	/**
	* basic tests of some ScalarType methods
	*/
	@org.junit.Test
	public void scalarType() {
	assertEquals(ValueType.BYTE_SEQUENCE, ScalarType.BYTE.toValueType());
	assertEquals(true, ScalarType.LONG.isLong());
	assertEquals(false, ScalarType.DOUBLE_COMPLEX.isLong());
	}

	/**
	* basic test of some SequenceReprestentaion methods
	*/
	@org.junit.Test
	public void sequenceRepresentation() {
	assertNotEquals(SequenceRepresentation.EXPLICIT, SequenceRepresentation.IMPLICIT_CONSTANT);
	assertTrue(SequenceRepresentation.EXPLICIT.isExplicit());
	assertTrue(SequenceRepresentation.EXPLICIT_EXTERNAL.isExplicit());
	assertTrue(SequenceRepresentation.EXPLICIT_EXTERNAL.isExternal());
	assertFalse(SequenceRepresentation.EXPLICIT_EXTERNAL.isImplicit());
	assertEquals(SequenceRepresentation.EXPLICIT.ordinal(), (Integer) 0);
	assertEquals((Integer) 5, SequenceRepresentation.RAW_POLYNOMIAL.ordinal());
	assertEquals((Integer) 7, SequenceRepresentation.EXPLICIT_EXTERNAL.ordinal());
	assertEquals((Integer) 9, SequenceRepresentation.RAW_POLYNOMIAL_EXTERNAL.ordinal());
	assertEquals((Integer) 10, SequenceRepresentation.RAW_LINEAR_CALIBRATED.ordinal());
	assertEquals((Integer) 11, SequenceRepresentation.RAW_LINEAR_CALIBRATED_EXTERNAL.ordinal());
	}

	/**
	* basic tests of TypeSpecification
	*/
	@org.junit.Test
	public void typeSpecification() {
	assertNotEquals(TypeSpecification.BIT_INTEGER, TypeSpecification.BIT_FLOAT_BEO);
	assertEquals(TypeSpecification.BOOLEAN, TypeSpecification.BOOLEAN);
	}

	/**
	* basic tests of AxisTzpe methods
	*/
	@org.junit.Test
	public void axisType() {
	assertTrue(AxisType.X_AXIS.isXAxis());
	assertTrue(AxisType.Y_AXIS.isYAxis());
	assertTrue(AxisType.XY_AXIS.isXYAxis());
	assertFalse(AxisType.X_AXIS.isYAxis());
	assertFalse(AxisType.Y_AXIS.isXYAxis());
	assertFalse(AxisType.XY_AXIS.isXAxis());
	}

	/**
	* basic tests of VersionState enumeration
	*/
	@org.junit.Test
	public void versionState() {
	assertFalse(VersionState.ARCHIVED.isEditable());
	assertTrue(VersionState.ARCHIVED.isArchived());
	assertFalse(VersionState.ARCHIVED.isValid());
	assertTrue(VersionState.EDITABLE.isEditable());
	assertFalse(VersionState.EDITABLE.isArchived());
	assertFalse(VersionState.EDITABLE.isValid());
	assertFalse(VersionState.VALID.isEditable());
	assertFalse(VersionState.VALID.isArchived());
	assertTrue(VersionState.VALID.isValid());
	}

	/**
	* basic tests of interpolation enumeration
	*/
	@org.junit.Test
	public void interpolation() {
	assertTrue(Interpolation.LINEAR.isLinear());
	assertFalse(Interpolation.NONE.isSpecific());
	assertEquals(Interpolation.NONE.ordinal(), (Integer) 0);
	assertEquals(Interpolation.LINEAR.ordinal(), (Integer) 1);
	assertEquals(Interpolation.SPECIFIC.ordinal(), (Integer) 2);
	}

	@org.junit.Test
	public void enumRegistry() {
	EnumRegistry er = EnumRegistry.getInstance();
	assertTrue(er.get("Interpolation") instanceof Enumeration<?>);
	}

	}