git.gag.com Git - debian/openrocket/blob - core/test/net/sf/openrocket/preset/TransitionPresetTests.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 TRANSITION 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 TransitionPresetTests extends BaseTestCase {
  22
  23         @Test
  24         public void testManufacturerRequired() {
  25                 try {
  26                         TypedPropertyMap presetspec = new TypedPropertyMap();
  27                         presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.TRANSITION);
  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.TRANSITION);
  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.TRANSITION);
  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 testAftOuterDiameterRequired() {
  61                 try {
  62                         TypedPropertyMap presetspec = new TypedPropertyMap();
  63                         presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.TRANSITION);
  64                         presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
  65                         presetspec.put( ComponentPreset.PARTNO, "partno");
  66                         presetspec.put( ComponentPreset.LENGTH, 2.0);
  67                         presetspec.put( ComponentPreset.SHAPE, Transition.Shape.CONICAL);
  68                         ComponentPresetFactory.create(presetspec);
  69                 } catch ( InvalidComponentPresetException ex ) {
  70                         assertTrue("Wrong Exception Thrown", ex.getMessage().contains("No AftOuterDiameter"));
  71                 }
  72         }
  73
  74
  75         @Test
  76         public void testForeOuterDiameterRequired() {
  77                 try {
  78                         TypedPropertyMap presetspec = new TypedPropertyMap();
  79                         presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.TRANSITION);
  80                         presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
  81                         presetspec.put( ComponentPreset.PARTNO, "partno");
  82                         presetspec.put( ComponentPreset.LENGTH, 2.0);
  83                         presetspec.put( ComponentPreset.SHAPE, Transition.Shape.CONICAL);
  84                         presetspec.put( ComponentPreset.AFT_OUTER_DIAMETER, 2.0);
  85                         ComponentPresetFactory.create(presetspec);
  86                 } catch ( InvalidComponentPresetException ex ) {
  87                         assertTrue("Wrong Exception Thrown", ex.getMessage().contains("No ForeOuterDiameter"));
  88                 }
  89         }
  90
  91         @Test
  92         public void testComputeDensityNoMaterial() throws Exception {
  93                 TypedPropertyMap presetspec = new TypedPropertyMap();
  94                 presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.TRANSITION);
  95                 presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
  96                 presetspec.put( ComponentPreset.PARTNO, "partno");
  97                 presetspec.put( ComponentPreset.LENGTH, 2.0);
  98                 presetspec.put( ComponentPreset.SHAPE, Transition.Shape.CONICAL);
  99                 presetspec.put( ComponentPreset.AFT_OUTER_DIAMETER, 2.0);
 100                 presetspec.put( ComponentPreset.FORE_OUTER_DIAMETER, 1.0);
 101                 presetspec.put( ComponentPreset.FILLED, true);
 102                 presetspec.put( ComponentPreset.MASS, 100.0);
 103                 ComponentPreset preset = ComponentPresetFactory.create(presetspec);
 104
 105                 // constants put into the presetspec above.
 106                 double volume = /*base area*/ Math.PI  * ( 1.0 * 1.0 + 1.0 * 0.5 + 0.5 * 0.5);
 107
 108                 volume *= 2.0 /* times height */ / 3.0; /* one third */
 109
 110                 double density = 100.0 / volume;
 111
 112                 assertEquals("TransitionCustom",preset.get(ComponentPreset.MATERIAL).getName());
 113                 // FIXME - I would expect the nc volume computation to be closer for such a simple shape.
 114                 // simple math yields 27.2837
 115                 // 100/nc.getComponentVolume yields 27.59832
 116                 assertEquals(density,preset.get(ComponentPreset.MATERIAL).getDensity(),0.5);
 117         }
 118
 119         @Test
 120         public void testMaterial() throws Exception {
 121                 TypedPropertyMap presetspec = new TypedPropertyMap();
 122                 presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.TRANSITION);
 123                 presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
 124                 presetspec.put( ComponentPreset.PARTNO, "partno");
 125                 presetspec.put( ComponentPreset.LENGTH, 2.0);
 126                 presetspec.put( ComponentPreset.SHAPE, Transition.Shape.CONICAL);
 127                 presetspec.put( ComponentPreset.AFT_OUTER_DIAMETER, 2.0);
 128                 presetspec.put( ComponentPreset.FORE_OUTER_DIAMETER, 1.0);
 129                 presetspec.put( ComponentPreset.FILLED, true);
 130                 presetspec.put( ComponentPreset.MATERIAL, new Material.Bulk("test", 2.0, true));
 131                 ComponentPreset preset = ComponentPresetFactory.create(presetspec);
 132
 133                 assertEquals("test",preset.get(ComponentPreset.MATERIAL).getName());
 134                 assertEquals(2.0,preset.get(ComponentPreset.MATERIAL).getDensity(),0.0005);
 135
 136         }
 137
 138         @Test
 139         public void testComputeDensityWithMaterial() throws Exception {
 140                 TypedPropertyMap presetspec = new TypedPropertyMap();
 141                 presetspec.put(ComponentPreset.TYPE, ComponentPreset.Type.TRANSITION);
 142                 presetspec.put( ComponentPreset.MANUFACTURER, Manufacturer.getManufacturer("manufacturer"));
 143                 presetspec.put( ComponentPreset.PARTNO, "partno");
 144                 presetspec.put( ComponentPreset.LENGTH, 2.0);
 145                 presetspec.put( ComponentPreset.SHAPE, Transition.Shape.CONICAL);
 146                 presetspec.put( ComponentPreset.AFT_OUTER_DIAMETER, 2.0);
 147                 presetspec.put( ComponentPreset.FORE_OUTER_DIAMETER, 1.0);
 148                 presetspec.put( ComponentPreset.FILLED, true);
 149                 presetspec.put( ComponentPreset.MASS, 100.0);
 150                 presetspec.put( ComponentPreset.MATERIAL, new Material.Bulk("test", 2.0, true));
 151                 ComponentPreset preset = ComponentPresetFactory.create(presetspec);
 152
 153                 // constants put into the presetspec above.
 154                 double totvolume = /*base area*/ Math.PI;
 155
 156                 totvolume *= 4.0 /* times height */ / 3.0; /* one third */
 157
 158                 double uppervolume = /*fore area*/ Math.PI * 0.5 * 0.5;
 159                 uppervolume *= 2.0 /* times height */ / 3.0; /* one third */
 160
 161                 double volume = totvolume-uppervolume;
 162
 163                 double density = 100.0 / volume;
 164
 165                 assertEquals("test",preset.get(ComponentPreset.MATERIAL).getName());
 166                 // FIXME - I would expect the nc volume computation to be closer for such a simple shape.
 167                 assertEquals(density,preset.get(ComponentPreset.MATERIAL).getDensity(),1.5);
 168         }
 169
 170 }