git.gag.com Git - debian/openrocket/blob - core/test/net/sf/openrocket/preset/NoseConePresetTests.java

   1 package net.sf.openrocket.preset;
   2
   3 import static org.junit.Assert.assertEquals;
   4 import static org.junit.Assert.assertTrue;
   5 import net.sf.openrocket.material.Material;
   6 import net.sf.openrocket.motor.Manufacturer;
   7 import net.sf.openrocket.rocketcomponent.Transition;
   8 import net.sf.openrocket.util.BaseTestCase.BaseTestCase;
   9
  10 import org.junit.Test;
  11
  12 /**
  13  * Test construction of NOSE_CONE type ComponentPresets based on TypedPropertyMap through the
  14  * ComponentPresetFactory.create() method.
  15  *
  16  * Ensure required properties are populated
  17  *
  18  * Ensure any computed values are correctly computed.
  19  *
  20  */
  21 public class NoseConePresetTests extends BaseTestCase {
  22
  23         @Test
  24         public void testManufacturerRequired() {
  25                 try {
  26                         TypedPropertyMap presetspec = new TypedPropertyMap();
  27                         presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.NOSE_CONE);
  28                         ComponentPresetFactory.create(presetspec);
  29                 } catch ( InvalidComponentPresetException ex ) {
  30                         assertTrue("Wrong Exception Thrown", ex.getMessage().contains("No Manufacturer specified"));
  31                 }
  32         }
  33
  34         @Test
  35         public void testPartNoRequired() {
  36                 try {
  37                         TypedPropertyMap presetspec = new TypedPropertyMap();
  38                         presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.NOSE_CONE);
  39                         presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
  40                         ComponentPresetFactory.create(presetspec);
  41                 } catch ( InvalidComponentPresetException ex ) {
  42                         assertTrue("Wrong Exception Thrown", ex.getMessage().contains("No PartNo specified"));
  43                 }
  44         }
  45
  46         @Test
  47         public void testLengthRequired() {
  48                 try {
  49                         TypedPropertyMap presetspec = new TypedPropertyMap();
  50                         presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.NOSE_CONE);
  51                         presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
  52                         presetspec.put( ComponentPreset.PARTNO, "partno");
  53                         ComponentPresetFactory.create(presetspec);
  54                 } catch ( InvalidComponentPresetException ex ) {
  55                         assertTrue("Wrong Exception Thrown", ex.getMessage().contains("No Length specified"));
  56                 }
  57         }
  58
  59         @Test
  60         public void testShapeRequired() {
  61                 try {
  62                         TypedPropertyMap presetspec = new TypedPropertyMap();
  63                         presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.NOSE_CONE);
  64                         presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
  65                         presetspec.put( ComponentPreset.PARTNO, "partno");
  66                         presetspec.put( ComponentPreset.LENGTH, 2.0);
  67                         ComponentPresetFactory.create(presetspec);
  68                 } catch ( InvalidComponentPresetException ex ) {
  69                         assertTrue("Wrong Exception Thrown", ex.getMessage().contains("No Shape"));
  70                 }
  71         }
  72
  73         @Test
  74         public void testAftOuterDiameterRequired() {
  75                 try {
  76                         TypedPropertyMap presetspec = new TypedPropertyMap();
  77                         presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.NOSE_CONE);
  78                         presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
  79                         presetspec.put( ComponentPreset.PARTNO, "partno");
  80                         presetspec.put( ComponentPreset.LENGTH, 2.0);
  81                         presetspec.put( ComponentPreset.SHAPE, Transition.Shape.CONICAL);
  82                         ComponentPresetFactory.create(presetspec);
  83                 } catch ( InvalidComponentPresetException ex ) {
  84                         assertTrue("Wrong Exception Thrown", ex.getMessage().contains("No AftOuterDiameter"));
  85                 }
  86         }
  87
  88         @Test
  89         public void testComputeDensityNoMaterial() throws Exception {
  90                 TypedPropertyMap presetspec = new TypedPropertyMap();
  91                 presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.NOSE_CONE);
  92                 presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
  93                 presetspec.put( ComponentPreset.PARTNO, "partno");
  94                 presetspec.put( ComponentPreset.LENGTH, 2.0);
  95                 presetspec.put( ComponentPreset.SHAPE, Transition.Shape.CONICAL);
  96                 presetspec.put( ComponentPreset.AFT_OUTER_DIAMETER, 2.0);
  97                 presetspec.put( ComponentPreset.FILLED, true);
  98                 presetspec.put( ComponentPreset.MASS, 100.0);
  99                 ComponentPreset preset = ComponentPresetFactory.create(presetspec);
 100
 101                 // constants put into the presetspec above.
 102                 double volume = /*base area*/ Math.PI;
 103                 volume *= 2.0 /* times height */ / 3.0; /* one third */
 104
 105                 double density = 100.0 / volume;
 106
 107                 assertEquals("NoseConeCustom",preset.get(ComponentPreset.MATERIAL).getName());
 108                 // FIXME - I would expect the nc volume computation to be closer for such a simple shape.
 109                 // simple math yields 47.74648
 110                 // 100.0/nc.getComponentVolume yields 48.7159
 111                 assertEquals(density,preset.get(ComponentPreset.MATERIAL).getDensity(),1.0);
 112         }
 113
 114         @Test
 115         public void testMaterial() throws Exception {
 116                 TypedPropertyMap presetspec = new TypedPropertyMap();
 117                 presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.NOSE_CONE);
 118                 presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
 119                 presetspec.put( ComponentPreset.PARTNO, "partno");
 120                 presetspec.put( ComponentPreset.LENGTH, 2.0);
 121                 presetspec.put( ComponentPreset.SHAPE, Transition.Shape.CONICAL);
 122                 presetspec.put( ComponentPreset.AFT_OUTER_DIAMETER, 2.0);
 123                 presetspec.put( ComponentPreset.MATERIAL, new Material.Bulk("test", 2.0, true));
 124                 ComponentPreset preset = ComponentPresetFactory.create(presetspec);
 125
 126                 assertEquals("test",preset.get(ComponentPreset.MATERIAL).getName());
 127                 assertEquals(2.0,preset.get(ComponentPreset.MATERIAL).getDensity(),0.0005);
 128
 129         }
 130
 131         @Test
 132         public void testComputeDensityWithMaterial() throws Exception {
 133                 TypedPropertyMap presetspec = new TypedPropertyMap();
 134                 presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.NOSE_CONE);
 135                 presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
 136                 presetspec.put( ComponentPreset.PARTNO, "partno");
 137                 presetspec.put( ComponentPreset.LENGTH, 2.0);
 138                 presetspec.put( ComponentPreset.SHAPE, Transition.Shape.CONICAL);
 139                 presetspec.put( ComponentPreset.AFT_OUTER_DIAMETER, 2.0);
 140                 presetspec.put( ComponentPreset.FILLED, true);
 141                 presetspec.put( ComponentPreset.MASS, 100.0);
 142                 presetspec.put( ComponentPreset.MATERIAL, new Material.Bulk("test", 2.0, true));
 143                 ComponentPreset preset = ComponentPresetFactory.create(presetspec);
 144
 145                 // constants put into the presetspec above.
 146                 double volume = /*base area*/ Math.PI;
 147                 volume *= 2.0 /* times height */ / 3.0; /* one third */
 148
 149                 double density = 100.0 / volume;
 150
 151                 assertEquals("test",preset.get(ComponentPreset.MATERIAL).getName());
 152                 // FIXME - I would expect the nc volume computation to be closer for such a simple shape.
 153                 assertEquals(density,preset.get(ComponentPreset.MATERIAL).getDensity(),1.5);
 154         }
 155
 156 }