@Test
public void testAlertMultipleAssociations() {
Date d = new Date();
double lat = 10.0;
double lon = 10.0;
// Make a product with location and time
ProductSummary product = new ProductSummary();
product.setEventLatitude(new BigDecimal(lat));
product.setEventLongitude(new BigDecimal(lon));
product.setEventTime(d);
product.setId(new ProductId("us", "origin", "c0001234"));
product.setEventSource("us");
product.setEventSourceCode("c0001234");
// Make 3 events with similar locations and times
Event e1 =
createDifferentEvent(
new BigDecimal(lat + 0.1),
new BigDecimal(lon + 0.1),
new Date(d.getTime() + 10),
"us",
"origin",
"c0002222");
Event e2 =
createDifferentEvent(
new BigDecimal(lat - 0.5),
new BigDecimal(lon),
new Date(d.getTime() + 50),
"nc",
"origin",
"11112222");
Event e3 =
createDifferentEvent(
new BigDecimal(lat + 1), new BigDecimal(lon + 1), d, "ci", "origin", "aaaa2222");
Event e4 =
createDifferentEvent(
new BigDecimal(lat), new BigDecimal(lon), d, "uw", "origin", "00005555");
Event e5 =
createDifferentEvent(
new BigDecimal(lat), new BigDecimal(lon), d, "us", "origin", "00005555");
// Now add the events to a list, and find the most similar
List<Event> events = new ArrayList<Event>();
events.add(e1);
events.add(e2);
events.add(e3);
events.add(e4);
events.add(e5);
// Calculate which event is most similar to the product
DefaultAssociator associator = new DefaultAssociator();
Event mostSimilar = associator.chooseEvent(events, product);
Assert.assertEquals(e4, mostSimilar);
}
/**
* The DefaultAssociator will filter events that are from the same source as a summary if they
* have a different code.
*
* <p>This test exists to prevent a nullpointerexception regression.
*/
@Test
public void testChooseEventWithoutSummarySourceCode() {
ProductSummary summary = new ProductSummary();
List<Event> events = new LinkedList<Event>();
DefaultAssociator associator = new DefaultAssociator();
try {
Event event = associator.chooseEvent(events, summary);
Assert.assertNull("Returned event null", event);
} catch (NullPointerException npe) {
Assert.fail("NullPointerException thrown");
}
}
/**
* Test if the associator selects using the most important attribute first. That is, use eventId
* before location.
*
* <p>This test creates 2 events, A and B, and a summary X. A and B both have eventId and location
* information. B's location is closest to X's location, but A's eventId matches X's. The
* associator should choose A.
*/
@Test
public void testAssociationOrder() {
Date eventTime = new Date();
// Create the first event
ProductSummary eventSummaryA = new ProductSummary();
eventSummaryA.setId(new ProductId("productsource", "producttype", "productcode"));
eventSummaryA.setEventSource("source");
eventSummaryA.setEventSourceCode("code");
eventSummaryA.setEventLatitude(new BigDecimal("10.0"));
eventSummaryA.setEventLongitude(new BigDecimal("10.0"));
eventSummaryA.setEventTime(eventTime);
Event eventA = new Event();
eventA.addProduct(eventSummaryA);
// Create the second event
ProductSummary eventSummaryB = new ProductSummary();
eventSummaryB.setId(new ProductId("productsource", "producttype", "productcode"));
eventSummaryB.setEventSource("source2");
eventSummaryB.setEventSourceCode("code2");
eventSummaryB.setEventLatitude(new BigDecimal("0.0"));
eventSummaryB.setEventLongitude(new BigDecimal("0.0"));
eventSummaryB.setEventTime(eventTime);
Event eventB = new Event();
eventB.addProduct(eventSummaryB);
// Create the test summary
ProductSummary summaryX = new ProductSummary();
summaryX.setId(new ProductId("productsource", "producttype", "productcode"));
summaryX.setEventSource("source");
summaryX.setEventSourceCode("code");
summaryX.setEventLatitude(new BigDecimal("0.0"));
summaryX.setEventLongitude(new BigDecimal("0.0"));
summaryX.setEventTime(eventTime);
// Add the events to a list
List<Event> events = new LinkedList<Event>();
events.add(eventA);
events.add(eventB);
// Test to verify event A is chosen.
DefaultAssociator associator = new DefaultAssociator();
Event event = associator.chooseEvent(events, summaryX);
Assert.assertEquals("Event from same source with same code chosen", eventA, event);
}
/**
* Test choosing the "closest" event to associate a product to based on the lat, lon, and
* eventTime values. This method creates a product with some lat, lon and time values then it
* creates 3 events whose parameters only differ slightly from the product. It then chooses the
* event whose Euclidean distance is lowest.
*
* @see #createEvent(BigDecimal, BigDecimal, Date)
* @see gov.usgs.earthquake.indexer.DefaultAssociator#chooseMostSimilar(ProductSummary, List)
*/
@Test
public void testChooseMostSimilar() {
Date d = new Date();
double lat = 10.0;
double lon = 10.0;
// Make a product with location and time
ProductSummary product = new ProductSummary();
product.setEventLatitude(new BigDecimal(lat));
product.setEventLongitude(new BigDecimal(lon));
product.setEventTime(d);
// Make 3 events with similar locations and times
Event e1 =
createEvent(
"test",
"1",
new BigDecimal(lat + 0.1),
new BigDecimal(lon + 0.1),
new Date(d.getTime() + 10));
Event e2 =
createEvent(
"test",
"2",
new BigDecimal(lat - 0.5),
new BigDecimal(lon),
new Date(d.getTime() + 50));
Event e3 = createEvent("test", "3", new BigDecimal(lat + 1), new BigDecimal(lon + 1), d);
// Now add the events to a list, and find the most similar
List<Event> events = new ArrayList<Event>();
events.add(e1);
events.add(e2);
events.add(e3);
// Calculate which event is most similar to the product
DefaultAssociator associator = new DefaultAssociator();
Event mostSimilar = associator.chooseMostSimilar(product, events);
Assert.assertEquals(e1, mostSimilar);
}
/**
* When an event source submits data using the same code, they refer to the same event.
*
* <p>The associator shouldn't filter an event when it uses the same source and code (although it
* won't necessarily choose that event because it has the same source and code).
*/
@Test
public void testSameEventCodeFromSameSource() {
ProductSummary summary = new ProductSummary();
summary.setEventSource("source");
summary.setEventSourceCode("code");
// build event from same source, with same code
ProductSummary differentSummary = new ProductSummary();
differentSummary.setId(new ProductId("productsource", "producttype", "productcode"));
differentSummary.setEventSource("source");
differentSummary.setEventSourceCode("code");
Event sameEvent = new Event();
sameEvent.addProduct(differentSummary);
List<Event> events = new LinkedList<Event>();
events.add(sameEvent);
// test to verify event is chosen
DefaultAssociator associator = new DefaultAssociator();
Event event = associator.chooseEvent(events, summary);
Assert.assertEquals("Event from same source with same code chosen", sameEvent, event);
}
@Test
public void testDateTimeLine() {
Date eventTime = new Date();
DefaultAssociator associator = new DefaultAssociator();
// Create the first event
ProductSummary eventSummaryA = new ProductSummary();
eventSummaryA.setId(new ProductId("us", "origin", "1234abcd"));
eventSummaryA.setEventSource("us");
eventSummaryA.setEventSourceCode("1234abcd");
eventSummaryA.setEventLatitude(new BigDecimal("0.0"));
eventSummaryA.setEventLongitude(new BigDecimal("179.80"));
eventSummaryA.setEventTime(eventTime);
Event eventA = new Event();
eventA.addProduct(eventSummaryA);
// Create the second event
ProductSummary eventSummaryB = new ProductSummary();
eventSummaryB.setId(new ProductId("ci", "origin", "5678efgh"));
eventSummaryB.setEventSource("ci");
eventSummaryB.setEventSourceCode("5678efgh");
eventSummaryB.setEventLatitude(new BigDecimal("0.0"));
eventSummaryB.setEventLongitude(new BigDecimal("179.50"));
eventSummaryB.setEventTime(eventTime);
Event eventB = new Event();
eventB.addProduct(eventSummaryB);
/*
* Verify that events associate (0.3 degrees apart) when the points are
* not crossing date line
*/
Assert.assertTrue(associator.eventsAssociated(eventA, eventB));
// Create the third event
ProductSummary eventSummaryC = new ProductSummary();
eventSummaryC.setId(new ProductId("us", "origin", "1234abcd"));
eventSummaryC.setEventSource("us");
eventSummaryC.setEventSourceCode("1234abcd");
eventSummaryC.setEventLatitude(new BigDecimal("0.0"));
eventSummaryC.setEventLongitude(new BigDecimal("179.85"));
eventSummaryC.setEventTime(eventTime);
Event eventC = new Event();
eventC.addProduct(eventSummaryC);
// Create the fourth event
ProductSummary eventSummaryD = new ProductSummary();
eventSummaryD.setId(new ProductId("ci", "origin", "5678efgh"));
eventSummaryD.setEventSource("ci");
eventSummaryD.setEventSourceCode("5678efgh");
eventSummaryD.setEventLatitude(new BigDecimal("0.0"));
eventSummaryD.setEventLongitude(new BigDecimal("-179.85"));
eventSummaryD.setEventTime(eventTime);
Event eventD = new Event();
eventD.addProduct(eventSummaryD);
/*
* Verify that events associate (0.3 degrees apart) when the points do
* cross the date line
*/
Assert.assertTrue(associator.eventsAssociated(eventC, eventD));
// Create the fifth event
ProductSummary eventSummaryE = new ProductSummary();
eventSummaryE.setId(new ProductId("us", "origin", "1234abcd"));
eventSummaryE.setEventSource("us");
eventSummaryE.setEventSourceCode("1234abcd");
eventSummaryE.setEventLatitude(new BigDecimal("0.0"));
eventSummaryE.setEventLongitude(new BigDecimal("-179.85"));
eventSummaryE.setEventTime(eventTime);
Event eventE = new Event();
eventE.addProduct(eventSummaryE);
// Create the sixth event
ProductSummary eventSummaryF = new ProductSummary();
eventSummaryF.setId(new ProductId("ci", "origin", "5678efgh"));
eventSummaryF.setEventSource("ci");
eventSummaryF.setEventSourceCode("5678efgh");
eventSummaryF.setEventLatitude(new BigDecimal("0.0"));
eventSummaryF.setEventLongitude(new BigDecimal("179.85"));
eventSummaryF.setEventTime(eventTime);
Event eventF = new Event();
eventF.addProduct(eventSummaryF);
/*
* Verify that events associate (0.3 degrees apart) when the points do
* cross the date line, reversing the order. This checks that
* jdbcProductIndex.normalizeLongitude is working in both directions
* across the dateline.
*/
Assert.assertTrue(associator.eventsAssociated(eventE, eventF));
// Create the seventh event
ProductSummary eventSummaryG = new ProductSummary();
eventSummaryG.setId(new ProductId("us", "origin", "1234abcd"));
eventSummaryG.setEventSource("us");
eventSummaryG.setEventSourceCode("1234abcd");
eventSummaryG.setEventLatitude(new BigDecimal("0.0"));
eventSummaryG.setEventLongitude(new BigDecimal("50"));
eventSummaryG.setEventTime(eventTime);
Event eventG = new Event();
eventG.addProduct(eventSummaryG);
// Create the eighth event
ProductSummary eventSummaryH = new ProductSummary();
eventSummaryH.setId(new ProductId("ci", "origin", "5678efgh"));
eventSummaryH.setEventSource("ci");
eventSummaryH.setEventSourceCode("5678efgh");
eventSummaryH.setEventLatitude(new BigDecimal("0.0"));
eventSummaryH.setEventLongitude(new BigDecimal("100"));
eventSummaryH.setEventTime(eventTime);
Event eventH = new Event();
eventH.addProduct(eventSummaryH);
/*
* Verify that events do NOT associate, when they are more than 100km
* apart
*/
Assert.assertFalse(associator.eventsAssociated(eventG, eventH));
}
