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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 static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.time.Instant;
import java.util.Map;
import java.util.Set;
public class HubRankTest {
/** 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;
Holder don = new Holder(1, "Don");
Holder mitch = new Holder(2, "Mitch");
Holder nancy = new Holder(3, "Nancy");
Holder midge = new Holder(4, "Midge");
Holder bob = new Holder(5, "Bob");
Holder jane = new Holder(6, "Jane");
@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 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);
HubSearch hub = new HubSearch(lm);
Map<Holder, Double> hubRanks = hub.runHubSearch(start, end);
assertTrue(hubRanks.isEmpty());
tearDown();
}
@Test
public void flippedDates(){
setUp();
LinkMapper lm = new LinkMapper(db);
HubSearch hub = new HubSearch(lm);
Map<Holder, Double> hubRanks = hub.runHubSearch(end, start);
assertTrue(hubRanks.isEmpty());
tearDown();
}
@Test
public void testHubRankSmall(){
setUp();
LinkMapper lm = new LinkMapper(db);
HubSearch hub = new HubSearch(lm);
Map<Holder, Double> hubRanks = hub.runHubSearch(start, end);
assertEquals(6, hubRanks.size());
tearDown();
}
@Test
public void testCheckRightValues(){
setUp();
LinkMapper lm = new LinkMapper(db);
HubSearch hub = new HubSearch(lm);
Map<Holder, Double> hubRanks = hub.runHubSearch(start, end);
System.out.println(hubRanks);
assertTrue(hubRanks.get(mitch) > hubRanks.get(don));
assertTrue(hubRanks.get(don) > hubRanks.get(bob));
assertTrue(hubRanks.get(bob) > hubRanks.get(nancy));
assertTrue(hubRanks.get(nancy)> hubRanks.get(jane));
assertTrue(hubRanks.get(nancy) > hubRanks.get(midge));
tearDown();
}
@Test
public void testFollowersSetsConstructedProperly(){
setUp();
LinkMapper lm = new LinkMapper(db);
HubSearch hub = new HubSearch(lm);
Map<Holder, Double> hubRanks = hub.runHubSearch(start, end);
for(Holder person: hubRanks.keySet()){
System.out.println(person.getName() + " " + person.getFollowers());
if(person.equals(don)) {
assertTrue(person.getFollowers().contains(mitch));
assertTrue(person.getFollowers().contains(nancy));
assertTrue(person.getFollowers().contains(midge));
} else if(person.equals(bob)){
assertTrue(person.getFollowers().contains(mitch));
assertTrue(person.getFollowers().contains(midge));
} else if(person.equals(nancy)){
assertTrue(person.getFollowers().contains(midge));
} else if(person.equals(mitch)){
assertTrue(person.getFollowers().contains(nancy));
assertTrue(person.getFollowers().contains(midge));
assertTrue(person.getFollowers().contains(bob));
} else{
assertTrue(person.getFollowers().isEmpty());
}
}
tearDown();
}
//TODO: Test special case where all the hub ranks should be the same
}
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