java_upgrade/src/test/java/got/InMemoryMemberDAOTests.java at main · developer37/java_upgrade · GitHub

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package got;

import org.junit.jupiter.api.Disabled;

import org.junit.jupiter.api.DisplayNameGeneration;

import org.junit.jupiter.api.DisplayNameGenerator;

import org.junit.jupiter.api.Test;

import java.util.*;

import static org.assertj.core.api.Assertions.*;

import static org.junit.jupiter.api.Assertions.assertAll;

@Disabled("Remove this line to run tests")

@DisplayNameGeneration(DisplayNameGenerator.ReplaceUnderscores.class)

public class InMemoryMemberDAOTests {

private final MemberDAO dao = new InMemoryMemberDAO();

@Test

void findById() {

Optional<Member> member = dao.findById(1L);

assertThat(member).isPresent();

assertThat(member.get().name()).isEqualTo("Eddard");

}

@Test

void findById_notFound() {

Optional<Member> member = dao.findById(100L);

assertThat(member).isEmpty();

}

@Test

void findByName() {

Optional<Member> member = dao.findByName("Eddard");

assertThat(member).isPresent();

assertThat(member.get().id()).isEqualTo(1L);

}

@Test

void findByName_notFound() {

Optional<Member> member = dao.findByName("Ned");

assertThat(member).isEmpty();

}

@Test

void findAllByHouse() {

List<Member> members = dao.findAllByHouse(House.STARK);

assertThat(members).hasSize(6)

.allMatch(member -> member.house() == House.STARK);

}

@Test

void findAllByHouse_notFound() {

List<Member> members = dao.findAllByHouse(House.GREYJOY);

assertThat(members).isEmpty();

}

@Test

void getAll() {

Collection<Member> members = dao.getAll();

assertThat(members).hasSize(22);

}

@Test

public void startWithS_sortAlphabetically() {

List<Member> members = dao.startWithSandSortAlphabetically();

assertAll(

() -> assertThat(members.get(0).name()).isEqualTo("Sansa"),

() -> assertThat(members.get(1).name()).isEqualTo("Stannis")

);

}

@Test

public void lannisters_alphabeticallyByName() {

List<Member> members = dao.lannisters_alphabeticallyByName();

List<String> names = members.stream()

.map(Member::name)

.toList();

assertThat(names).containsExactly("Cersei", "Jaime", "Tyrion", "Tywin");

}

@Test

public void salaryLessThan_sortByHouse() {

List<Member> members = dao.salaryLessThanAndSortByHouse(80000.0);

assertThat(members).hasSize(6)

.allMatch(member -> member.salary() < 80000.0);

List<House> houses = members.stream()

.map(Member::house)

.distinct()

.toList();

assertThat(houses).containsExactly(

House.BARATHEON, House.LANNISTER, House.STARK, House.TYRELL);

}

@Test

public void sortByHouseName_sortByNameDesc() {

List<Member> members = dao.sortByHouseNameThenSortByNameDesc();

assertThat(members).hasSize(22);

}

@Test

public void starksByDob() {

List<Member> members = dao.houseByDob(House.STARK);

assertThat(members).hasSize(6)

.allMatch(member -> member.house() == House.STARK);

}

@Test

public void kingsByNameDesc() {

List<Member> members = dao.kingsByNameDesc();

assertThat(members).hasSize(6)

.allMatch(member -> member.title() == Title.KING);

}

@Test

public void averageSalary() {

double averageSalary = dao.averageSalary();

assertThat(averageSalary).isCloseTo(100611.64, within(0.1));

}

@Test

public void namesSorted() {

List<String> names = dao.namesSorted(House.STARK);

assertThat(names).hasSize(6)

.containsExactly("Arya", "Bran", "Catelyn", "Eddard", "Robb", "Sansa");

}

@Test

public void salariesGT100k() {

assertThat(dao.salariesGreaterThan(100000.0)).isTrue();

}

@Test

public void greyjoys() {

assertThat(dao.anyMembers(House.GREYJOY)).isFalse();

}

@Test

public void howManyLannisters() {

long count = dao.howMany(House.LANNISTER);

assertThat(count).isEqualTo(4);

}

@Test

public void lannisterNames() {

String lannisterNames = dao.houseMemberNames(House.LANNISTER);

assertThat(lannisterNames).isEqualTo("Jaime, Tyrion, Tywin, Cersei");

}

@Test

public void highestSalary() {

Optional<Member> member = dao.highestSalary();

assertThat(member).isPresent();

assertThat(member.get().name()).isEqualTo("Tywin");

}

@Test

public void royalty_or_not() {

Map<Boolean, List<Member>> map = dao.royaltyPartition();

assertAll(

() -> assertThat(map.get(true)).hasSize(8),

() -> assertThat(map.get(false)).hasSize(14)

);

}

@Test

public void membersByHouse() {

Map<House, List<Member>> houseListMap = dao.membersByHouse();

assertAll(

() -> assertThat(houseListMap.get(House.STARK)).hasSize(6),

() -> assertThat(houseListMap.get(House.LANNISTER)).hasSize(4),

() -> assertThat(houseListMap.get(House.TARGARYEN)).hasSize(2),

() -> assertThat(houseListMap.get(House.BARATHEON)).hasSize(4),

() -> assertThat(houseListMap.get(House.TYRELL)).hasSize(3),

() -> assertThat(houseListMap.get(House.BOLTON)).hasSize(2),

() -> assertThat(houseListMap.get(House.SNOW)).hasSize(1)

);

}

@Test

public void numberOfMembersByHouse() {

Map<House, Long> memberCountByHouse = dao.numberOfMembersByHouse();

assertAll(

() -> assertThat(memberCountByHouse.get(House.STARK)).isEqualTo(6),

() -> assertThat(memberCountByHouse.get(House.LANNISTER)).isEqualTo(4),

() -> assertThat(memberCountByHouse.get(House.TARGARYEN)).isEqualTo(2),

() -> assertThat(memberCountByHouse.get(House.BARATHEON)).isEqualTo(4),

() -> assertThat(memberCountByHouse.get(House.TYRELL)).isEqualTo(3),

() -> assertThat(memberCountByHouse.get(House.BOLTON)).isEqualTo(2),

() -> assertThat(memberCountByHouse.get(House.SNOW)).isEqualTo(1)

);

}

@Test

public void houseStats() {

Map<House, DoubleSummaryStatistics> stats = dao.houseStats();

assertAll(

() -> assertThat(stats.get(House.STARK).getMax()).isEqualTo(100000.0),

() -> assertThat(stats.get(House.STARK).getMin()).isEqualTo(10000.0),

() -> assertThat(stats.get(House.STARK).getAverage())

.isCloseTo(66666.66, withinPercentage(0.01))

);

}

java_upgrade/src/test/java/got/InMemoryMemberDAOTests.java at main · developer37/java_upgrade · GitHub

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