Splitted test to grouped by methods used tests.
This commit is contained in:
oborkovskyi
parent
b4738d8cd6
commit
6c83190bdc
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package com.baeldung.guava;
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import com.baeldung.guava.entity.User;
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import com.google.common.base.Functions;
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import com.google.common.base.Joiner;
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import com.google.common.base.Predicate;
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import com.google.common.collect.FluentIterable;
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import org.junit.Assert;
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import org.junit.Test;
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import java.util.ArrayList;
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import java.util.List;
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import static org.hamcrest.CoreMatchers.equalTo;
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public class FluentIterableTest {
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private static final int ADULT_AGE = 18;
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@Test
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public void whenFilteringByAge_shouldFilterOnlyAdultUsers() throws Exception {
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List<User> users = new ArrayList<>();
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users.add(new User(1L, "John", 45));
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users.add(new User(2L, "Michael", 27));
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users.add(new User(3L, "Max", 16));
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users.add(new User(4L, "Bob", 10));
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users.add(new User(5L, "Bill", 65));
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Predicate<User> byAge = input -> input.getAge() > ADULT_AGE;
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List<String> results = FluentIterable.from(users)
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.filter(byAge)
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.transform(Functions.toStringFunction())
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.toList();
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Assert.assertThat(results.size(), equalTo(3));
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}
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@Test
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public void whenCreatingFluentIterableFromArray_shouldContainAllUsers() throws Exception {
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User[] usersArray = {new User(1L, "John", 45), new User(2L, "Max", 15)};
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FluentIterable<User> users = FluentIterable.of(usersArray);
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Assert.assertThat(users.size(), equalTo(2));
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}
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@Test
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public void whenAppendingElementsToFluentIterable_shouldContainAllUsers() throws Exception {
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User[] usersArray = {new User(1L, "John", 45), new User(2L, "Max", 15)};
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FluentIterable<User> users = FluentIterable.of(usersArray).append(
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new User(3L, "Bob", 23),
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new User(4L, "Bill", 17)
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);
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Assert.assertThat(users.size(), equalTo(4));
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}
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@Test
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public void whenAppendingListToFluentIterable_shouldContainAllUsers() throws Exception {
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User[] usersArray = {new User(1L, "John", 45), new User(2L, "Max", 15)};
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List<User> usersList = new ArrayList<>();
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usersList.add(new User(3L, "David", 32));
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FluentIterable<User> users = FluentIterable.of(usersArray).append(usersList);
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Assert.assertThat(users.size(), equalTo(3));
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}
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@Test
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public void whenJoiningFluentIterableElements_shouldOutputAllUsers() throws Exception {
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User[] usersArray = {new User(1L, "John", 45), new User(2L, "Max", 15)};
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FluentIterable<User> users = FluentIterable.of(usersArray);
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Assert.assertThat(users.join(Joiner.on("; ")),
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equalTo("User{id=1, name=John, age=45}; User{id=2, name=Max, age=15}"));
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}
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}
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package com.baeldung.guava;
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import com.google.common.hash.HashCode;
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import com.google.common.hash.Hashing;
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import com.google.common.net.InetAddresses;
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import org.junit.Assert;
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import org.junit.Test;
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import java.net.InetAddress;
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import java.util.concurrent.ConcurrentHashMap;
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import static org.hamcrest.CoreMatchers.equalTo;
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public class GuavaMiscUtilsTest {
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@Test
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public void whenHashingData_shouldReturnCorrectHashCode() throws Exception {
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int receivedData = 123;
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HashCode hashCode = Hashing.crc32c().hashInt(receivedData);
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Assert.assertThat(hashCode.toString(), equalTo("495be649"));
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}
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@Test
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public void whenDecrementingIpAddress_shouldReturnOneLessIpAddress() throws Exception {
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InetAddress address = InetAddress.getByName("127.0.0.5");
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InetAddress decrementedAddress = InetAddresses.decrement(address);
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Assert.assertThat(decrementedAddress.toString(), equalTo("/127.0.0.4"));
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}
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@Test
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public void whenExecutingRunnableInThread_shouldLogThreadExecution() throws Exception {
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ConcurrentHashMap<String, Boolean> threadExecutions = new ConcurrentHashMap<>();
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Runnable logThreadRun = () -> threadExecutions.put(Thread.currentThread().getName(), true);
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Thread t = new Thread(logThreadRun);
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t.run();
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Assert.assertTrue(threadExecutions.get("main"));
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}
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}
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@ -1,177 +0,0 @@
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import com.baeldung.guava.entity.Administrator;
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import com.baeldung.guava.entity.Player;
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import com.baeldung.guava.entity.User;
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import com.google.common.base.Functions;
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import com.google.common.base.Joiner;
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import com.google.common.base.Predicate;
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import com.google.common.collect.FluentIterable;
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import com.google.common.hash.HashCode;
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import com.google.common.hash.Hashing;
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import com.google.common.net.InetAddresses;
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import com.google.common.util.concurrent.ListeningExecutorService;
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import com.google.common.util.concurrent.MoreExecutors;
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import org.junit.Assert;
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import org.junit.Test;
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import java.net.InetAddress;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.*;
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import static org.hamcrest.CoreMatchers.equalTo;
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public class GuavaTest {
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private static final int ADULT_AGE = 18;
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@Test
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public void whenToString_shouldIncludeAllFields() throws Exception {
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User user = new User(12L, "John Doe", 25);
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Assert.assertThat(user.toString(), equalTo("User{id=12, name=John Doe, age=25}"));
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}
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@Test
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public void whenPlayerToString_shouldCallParentToString() throws Exception {
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User user = new Player(12L, "John Doe", 25);
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Assert.assertThat(user.toString(), equalTo("User{id=12, name=John Doe, age=25}"));
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}
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@Test
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public void whenAdministratorToString_shouldExecuteAdministratorToString() throws Exception {
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User user = new Administrator(12L, "John Doe", 25);
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Assert.assertThat(user.toString(), equalTo("Administrator{id=12, name=John Doe, age=25}"));
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}
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@Test
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public void whenFilteringByAge_shouldFilterOnlyAdultUsers() throws Exception {
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List<User> users = new ArrayList<>();
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users.add(new User(1L, "John", 45));
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users.add(new User(2L, "Michael", 27));
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users.add(new User(3L, "Max", 16));
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users.add(new User(4L, "Bob", 10));
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users.add(new User(5L, "Bill", 65));
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Predicate<User> byAge = input -> input.getAge() > ADULT_AGE;
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List<String> results = FluentIterable.from(users)
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.filter(byAge)
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.transform(Functions.toStringFunction())
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.toList();
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Assert.assertThat(results.size(), equalTo(3));
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}
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@Test
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public void whenCreatingFluentIterableFromArray_shouldContainAllUsers() throws Exception {
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User[] usersArray = {new User(1L, "John", 45), new User(2L, "Max", 15)} ;
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FluentIterable<User> users = FluentIterable.of(usersArray);
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Assert.assertThat(users.size(), equalTo(2));
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}
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@Test
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public void whenAppendingElementsToFluentIterable_shouldContainAllUsers() throws Exception {
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User[] usersArray = {new User(1L, "John", 45), new User(2L, "Max", 15)};
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FluentIterable<User> users = FluentIterable.of(usersArray).append(
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new User(3L, "Bob", 23),
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new User(4L, "Bill", 17)
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);
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Assert.assertThat(users.size(), equalTo(4));
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}
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@Test
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public void whenAppendingListToFluentIterable_shouldContainAllUsers() throws Exception {
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User[] usersArray = {new User(1L, "John", 45), new User(2L, "Max", 15)};
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List<User> usersList = new ArrayList<>();
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usersList.add(new User(3L, "David", 32));
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FluentIterable<User> users = FluentIterable.of(usersArray).append(usersList);
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Assert.assertThat(users.size(), equalTo(3));
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}
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@Test
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public void whenJoiningFluentIterableElements_shouldOutputAllUsers() throws Exception {
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User[] usersArray = {new User(1L, "John", 45), new User(2L, "Max", 15)};
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FluentIterable<User> users = FluentIterable.of(usersArray);
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Assert.assertThat(users.join(Joiner.on("; ")),
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equalTo("User{id=1, name=John, age=45}; User{id=2, name=Max, age=15}"));
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}
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@Test
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public void whenHashingData_shouldReturnCorrectHashCode() throws Exception {
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int receivedData = 123;
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HashCode hashCode = Hashing.crc32c().hashInt(receivedData);
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Assert.assertThat(hashCode.toString(), equalTo("495be649"));
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}
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@Test
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public void whenDecrementingIpAddress_shouldReturnOneLessIpAddress() throws Exception {
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InetAddress address = InetAddress.getByName("127.0.0.5");
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InetAddress decrementedAddress = InetAddresses.decrement(address);
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Assert.assertThat(decrementedAddress.toString(), equalTo("/127.0.0.4"));
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}
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@Test
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public void whenExecutingRunnableInThread_shouldLogThreadExecution() throws Exception {
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ConcurrentHashMap<String, Boolean> threadExecutions = new ConcurrentHashMap<>();
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Runnable logThreadRun = () -> threadExecutions.put(Thread.currentThread().getName(), true);
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Thread t = new Thread(logThreadRun);
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t.run();
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Assert.assertTrue(threadExecutions.get("main"));
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}
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@Test
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public void whenExecutingRunnableInThreadPool_shouldLogAllThreadsExecutions() throws Exception {
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ConcurrentHashMap<String, Boolean> threadExecutions = new ConcurrentHashMap<>();
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Runnable logThreadRun= () -> threadExecutions.put(Thread.currentThread().getName(), true);
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ExecutorService executorService = Executors.newFixedThreadPool(2);
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executorService.submit(logThreadRun);
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executorService.submit(logThreadRun);
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executorService.shutdown();
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executorService.awaitTermination(100, TimeUnit.MILLISECONDS);
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Assert.assertTrue(threadExecutions.get("pool-1-thread-1"));
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Assert.assertTrue(threadExecutions.get("pool-1-thread-2"));
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}
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@Test
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public void whenExecutingRunnableInDirectExecutor_shouldLogThreadExecution() throws Exception {
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ConcurrentHashMap<String, Boolean> threadExecutions = new ConcurrentHashMap<>();
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Runnable logThreadRun= () -> threadExecutions.put(Thread.currentThread().getName(), true);
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Executor executor = MoreExecutors.directExecutor();
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executor.execute(logThreadRun);
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Assert.assertTrue(threadExecutions.get("main"));
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}
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@Test
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public void whenExecutingRunnableInListeningExecutor_shouldLogThreadExecution() throws Exception {
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ConcurrentHashMap<String, Boolean> threadExecutions = new ConcurrentHashMap<>();
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Runnable logThreadRun = () -> threadExecutions.put(Thread.currentThread().getName(), true);
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ListeningExecutorService executor = MoreExecutors.newDirectExecutorService();
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executor.execute(logThreadRun);
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Assert.assertTrue(threadExecutions.get("main"));
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}
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}
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@ -0,0 +1,51 @@
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package com.baeldung.guava;
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import com.google.common.util.concurrent.ListeningExecutorService;
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import com.google.common.util.concurrent.MoreExecutors;
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import org.junit.Assert;
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import org.junit.Test;
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import java.util.concurrent.*;
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public class MoreExecutorsTest {
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@Test
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public void whenExecutingRunnableInThreadPool_shouldLogAllThreadsExecutions() throws Exception {
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ConcurrentHashMap<String, Boolean> threadExecutions = new ConcurrentHashMap<>();
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Runnable logThreadRun = () -> threadExecutions.put(Thread.currentThread().getName(), true);
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ExecutorService executorService = Executors.newFixedThreadPool(2);
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executorService.submit(logThreadRun);
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executorService.submit(logThreadRun);
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executorService.shutdown();
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executorService.awaitTermination(100, TimeUnit.MILLISECONDS);
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Assert.assertTrue(threadExecutions.get("pool-1-thread-1"));
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Assert.assertTrue(threadExecutions.get("pool-1-thread-2"));
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}
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@Test
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public void whenExecutingRunnableInDirectExecutor_shouldLogThreadExecution() throws Exception {
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ConcurrentHashMap<String, Boolean> threadExecutions = new ConcurrentHashMap<>();
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Runnable logThreadRun = () -> threadExecutions.put(Thread.currentThread().getName(), true);
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Executor executor = MoreExecutors.directExecutor();
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executor.execute(logThreadRun);
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Assert.assertTrue(threadExecutions.get("main"));
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}
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@Test
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public void whenExecutingRunnableInListeningExecutor_shouldLogThreadExecution() throws Exception {
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ConcurrentHashMap<String, Boolean> threadExecutions = new ConcurrentHashMap<>();
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Runnable logThreadRun = () -> threadExecutions.put(Thread.currentThread().getName(), true);
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ListeningExecutorService executor = MoreExecutors.newDirectExecutorService();
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executor.execute(logThreadRun);
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Assert.assertTrue(threadExecutions.get("main"));
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}
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}
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@ -0,0 +1,33 @@
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package com.baeldung.guava;
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import com.baeldung.guava.entity.Administrator;
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import com.baeldung.guava.entity.Player;
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import com.baeldung.guava.entity.User;
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import org.junit.Assert;
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import org.junit.Test;
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import static org.hamcrest.CoreMatchers.equalTo;
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public class MoreObjectsTest {
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@Test
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public void whenToString_shouldIncludeAllFields() throws Exception {
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User user = new User(12L, "John Doe", 25);
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Assert.assertThat(user.toString(), equalTo("User{id=12, name=John Doe, age=25}"));
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}
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@Test
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public void whenPlayerToString_shouldCallParentToString() throws Exception {
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User user = new Player(12L, "John Doe", 25);
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Assert.assertThat(user.toString(), equalTo("User{id=12, name=John Doe, age=25}"));
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}
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@Test
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public void whenAdministratorToString_shouldExecuteAdministratorToString() throws Exception {
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User user = new Administrator(12L, "John Doe", 25);
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Assert.assertThat(user.toString(), equalTo("Administrator{id=12, name=John Doe, age=25}"));
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}
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}
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