org.eclipse.linuxtools.lttng.tests/src/org/eclipse/linuxtools/lttng/event/LttngEventFormatTest.java

   1 package org.eclipse.linuxtools.lttng.event;
   2
   3 import static org.junit.Assert.assertEquals;
   4 import static org.junit.Assert.assertNotSame;
   5 import static org.junit.Assert.fail;
   6
   7 import org.eclipse.linuxtools.lttng.trace.LTTngTrace;
   8 import org.eclipse.linuxtools.tmf.trace.TmfTraceContext;
   9 import org.junit.Test;
  10
  11 /*
  12  Functions tested here :
  13     public LttngEventFormat()
  14     public String[] getLabels(LttngEvent thisEvent)
  15     public LttngEventField[] parse(LttngEvent thisEvent)
  16     public LttngEventField[] parse(HashMap<String, Object> parsedEvents)
  17     public LttngEventField[] parse(String uselessContent)
  18
  19  */
  20
  21 public class LttngEventFormatTest {
  22         private final static boolean skipIndexing=true;
  23         private final static boolean waitForCompletion=true;
  24     private final static String tracepath1="traceset/trace-618339events-1293lost-1cpu";
  25
  26     private final static long   timestampAfterMetadata           = 952090116049L;
  27
  28     private final static String secondEventFirstField        = "loglevel";
  29     private final static String secondEventSecondField       = "string";
  30     //private final static String secondEventThirdField              = "ip";
  31
  32     private final static String secondEventThirdFieldParsedValue  = "ip:0xc04f402c";
  33
  34
  35     private LTTngTrace initializeEventStream() {
  36         LTTngTrace tmpStream = null;
  37                 try {
  38                         tmpStream = new LTTngTrace(tracepath1, waitForCompletion, skipIndexing);
  39                 }
  40                 catch (Exception e) {
  41                         fail("ERROR : Could not open " + tracepath1 + ". Test failed!" );
  42                 }
  43
  44                 return tmpStream;
  45     }
  46
  47
  48         private LttngEventFormat prepareToTest() {
  49                 LttngEventFormat tmpEventFormat = null;
  50
  51                 // This trace should be valid
  52                 try {
  53                         LTTngTrace tmpStream = initializeEventStream();
  54                         tmpEventFormat = (LttngEventFormat)tmpStream.parseEvent( new TmfTraceContext(null, null, 0) ).getContent().getFormat();
  55                 }
  56                 catch (Exception e) {
  57                         fail("ERROR : Failed to get format!");
  58                 }
  59
  60                 return tmpEventFormat;
  61         }
  62
  63         @Test
  64         public void testConstructors() {
  65                 LttngEventFormat testFormat = null;
  66                 @SuppressWarnings("unused")
  67                 LttngEventFormat testFormat2 = null;
  68
  69
  70             // Default construction with good argument
  71         try {
  72                 testFormat = new LttngEventFormat(new String[1]);
  73         }
  74         catch( Exception e) {
  75                 fail("Construction failed!");
  76         }
  77
  78         // Copy constructor
  79         try {
  80             testFormat = new LttngEventFormat(new String[1]);
  81             testFormat2 = new LttngEventFormat(testFormat);
  82         }
  83         catch( Exception e) {
  84             fail("Copy construction failed!");
  85         }
  86
  87         }
  88
  89
  90     @Test
  91         public void testGetter() {
  92         LttngEventFormat testFormat = null;
  93         LTTngTrace tmpStream = null;
  94         LttngEvent tmpEvent = null;
  95         TmfTraceContext tmpContext = new TmfTraceContext(null, null, 0);
  96
  97         //*** Position ourself to the second event to have something interesting to test with ***
  98
  99         tmpStream = initializeEventStream();
 100         // Skip first events and seek to events past metadata
 101         tmpContext= tmpStream.seekLocation(new LttngTimestamp(timestampAfterMetadata) );
 102         // Skip first one
 103         tmpEvent = (LttngEvent)tmpStream.parseEvent(tmpContext);
 104         // Second event should have more fields
 105         tmpEvent = (LttngEvent)tmpStream.parseEvent(tmpContext);
 106         // Get a real format from the event
 107         testFormat = (LttngEventFormat)tmpEvent.getContent().getFormat();
 108
 109         // Test getLabels()
 110         assertEquals("Label not as expected!",secondEventFirstField,testFormat.getLabels()[0].toString());
 111         assertEquals("Label not as expected!",secondEventSecondField,testFormat.getLabels()[1].toString());
 112
 113
 114         // Test different parse()
 115         // parse(event)
 116         assertNotSame("parse() returned null!",null, testFormat.parse(tmpEvent));
 117         assertEquals("Parsed field not as expected!",secondEventThirdFieldParsedValue,testFormat.parse(tmpEvent)[2].toString());
 118
 119         // parse(hashmap)
 120         assertNotSame("parse() returned null!",null, testFormat.parse(tmpEvent.convertEventTmfToJni().parseAllFields()));
 121         assertEquals("Parsed field not as expected!",secondEventThirdFieldParsedValue,testFormat.parse(tmpEvent.convertEventTmfToJni().parseAllFields())[2].toString());
 122
 123
 124         // parse(string)
 125         System.out.println(tmpEvent.getContent().getContent().toString());
 126         assertNotSame("parse() returned null!",null, testFormat.parse(tmpEvent.getContent().getContent().toString()));
 127         assertEquals("Parsed field not as expected!",secondEventThirdFieldParsedValue,testFormat.parse(tmpEvent.getContent().getContent())[2].toString());
 128     }
 129
 130     @Test
 131         public void testToString() {
 132         LttngEventFormat tmpFormat = prepareToTest();
 133
 134                 // Just make sure toString() does not return null or the java reference
 135                 assertNotSame("toString returned null",null, tmpFormat.toString() );
 136                 assertNotSame("toString is not overridded!", tmpFormat.getClass().getName() + '@' + Integer.toHexString(tmpFormat.hashCode()), tmpFormat.toString() );
 137     }
 138
 139 }