package org.traccar.web; import org.junit.Test; import org.traccar.model.Factory; import java.io.Reader; import java.io.StringReader; import java.text.ParseException; import java.util.Calendar; import java.util.Date; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotNull; public class JsonConverterTest { private T convert(String jsonString, T prototype) throws ParseException { Reader r = new StringReader( jsonString); return JsonConverter.objectFromJson(r, prototype); } @Test public void primitiveConversion() throws ParseException { AllPrimitives o = convert("{" + "\"aBoolean\": true, " + "\"anInt\": 42, " + "\"aDouble\": 41.99, " + "\"aString\": \"discworld\", " + "\"aDate\":\"2015-07-09T19:02:17\"" + "}", new AllPrimitives()); assertEquals(true, o.getaBoolean()); assertEquals(42, o.getAnInt()); assertEquals(41.99, o.getaDouble(), 0.001); assertEquals("discworld", o.getaString()); Calendar c = Calendar.getInstance(); c.setTime(o.getaDate()); assertEquals(2015, c.get(Calendar.YEAR)); assertEquals(Calendar.JULY, c.get(Calendar.MONTH)); assertEquals(9, c.get(Calendar.DAY_OF_MONTH)); assertEquals(19, c.get(Calendar.HOUR_OF_DAY)); assertEquals(2, c.get(Calendar.MINUTE)); assertEquals(17, c.get(Calendar.SECOND)); } public static class AllPrimitives implements Factory { private boolean aBoolean; private int anInt; private double aDouble; private String aString; private Date aDate; @Override public Object create() { return new AllPrimitives(); } public boolean getaBoolean() { return aBoolean; } public void setaBoolean(boolean aBoolean) { this.aBoolean = aBoolean; } public int getAnInt() { return anInt; } public void setAnInt(int anInt) { this.anInt = anInt; } public double getaDouble() { return aDouble; } public void setaDouble(double aDouble) { this.aDouble = aDouble; } public String getaString() { return aString; } public void setaString(String aString) { this.aString = aString; } public Date getaDate() { return aDate; } public void setaDate(Date aDate) { this.aDate = aDate; } } @Test public void enumConversion() throws ParseException { ObjectWithEnum o = convert("{\"anEnum\": \"VALUE2\"}", new ObjectWithEnum()); assertEquals(TestEnum.VALUE2, o.getAnEnum()); } public enum TestEnum { VALUE1, VALUE2 } public static class ObjectWithEnum implements Factory { private TestEnum anEnum; public TestEnum getAnEnum() { return anEnum; } public void setAnEnum(TestEnum anEnum) { this.anEnum = anEnum; } @Override public Object create() { return new ObjectWithEnum(); } } @Test public void nestedObjectsConversion() throws ParseException { NestedObjects o = convert("{\"name\": \"Rincewind\", \"nestedObject\": {\"anEnum\":\"VALUE1\"}}", new NestedObjects()); assertEquals("Rincewind", o.getName()); assertNotNull("The nested object should be populated", o.getNestedObject()); assertEquals(TestEnum.VALUE1, o.getNestedObject().getAnEnum()); } public static class NestedObjects implements Factory { private String name; private ObjectWithEnum nestedObject; public String getName() { return name; } public void setName(String name) { this.name = name; } public ObjectWithEnum getNestedObject() { return nestedObject; } public void setNestedObject(ObjectWithEnum nestedObject) { this.nestedObject = nestedObject; } @Override public Object create() { return new NestedObjects(); } } }