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package edu.brown.cs.student;
import edu.brown.cs.student.term.DatabaseQuerier;
import edu.brown.cs.student.term.hub.Holder;
import edu.brown.cs.student.term.hub.HubSearch;
import edu.brown.cs.student.term.hub.LinkMapper;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.time.Instant;
import java.util.Map;
import java.util.Set;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class LinkMapperTest {
/** these should span the entire mock dataset */
//12 am on 3/11 in UTC
private Instant start = Instant.parse("2021-03-11T05:00:00.00Z");
//12 am on 3/28 in UTC
private Instant end = Instant.parse("2021-03-28T05:00:00.00Z");
private DatabaseQuerier db;
@Before
public void setUp() {
try{
db = new DatabaseQuerier("data/lil_mock.sqlite3");
} catch(Exception e){
System.out.println("DBQuerier Test, couldn't connect to db???");
}
}
@After
public void tearDown() {
db = null;
}
@Test
public void testBasicMapper(){
setUp();
LinkMapper lm = new LinkMapper(db);
Map<Holder, Set<Holder>> linkMap = lm.makeFollowerLinks(start, end);
//should be one for each person in little mock (6)
assertEquals(6, linkMap.keySet().size());
for(Holder h: linkMap.keySet()){
//didn't follow anyone elses trades
if(h.getName().equals("Don") || h.getName().equals("Jane")){
assertTrue(linkMap.get(h).isEmpty());
//biggest follower
} else if(h.getName().equals("Midge")){
assertEquals(4, linkMap.get(h).size());
} else if(h.getName().equals("Nancy") || h.getName().equals("Mitch")){
assertEquals(2, linkMap.get(h).size());
} else {
//should be Bob, only followed Mitch
assertEquals(1, linkMap.get(h).size());
}
}
tearDown();
}
@Test
public void testBadDate(){
setUp();
LinkMapper lm = new LinkMapper(db);
Map<Holder, Set<Holder>> linkMap = lm.makeFollowerLinks(end, start);
assertTrue(linkMap.isEmpty());
tearDown();
}
@Test
public void testEmptyDB(){
try{
db = new DatabaseQuerier("data/testing/empty.sqlite3");
} catch(Exception e){
System.out.println("DBQuerier Test, couldn't connect to db???");
}
LinkMapper lm = new LinkMapper(db);
Map<Holder, Set<Holder>> linkMap = lm.makeFollowerLinks(start, end);
//should be one for each person in little mock (6)
assertTrue(linkMap.isEmpty());
}
}
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