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Java 11 migraiton: monad

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This commit is contained in:
Anurag Agarwal
2020-04-12 22:45:54 +00:00
parent f1b27ef5c7
commit a142c06048
5 changed files with 42 additions and 36 deletions
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3
monad/src/test/java/com/iluwatar/monad/AppTest.java
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@@ -32,8 +32,7 @@ public class AppTest {
@Test
public void testMain() {
String[] args = {};
App.main(args);
App.main(new String[]{});
}
}

39
monad/src/test/java/com/iluwatar/monad/MonadTest.java
View File

@@ -23,13 +23,12 @@
package com.iluwatar.monad;
import org.junit.jupiter.api.Test;
import java.util.Objects;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import java.util.Objects;
import org.junit.jupiter.api.Test;
/**
* Test for Monad Pattern
*/
@@ -37,27 +36,33 @@ public class MonadTest {
@Test
public void testForInvalidName() {
User tom = new User(null, 21, Sex.MALE, "tom@foo.bar");
assertThrows(IllegalStateException.class, () -> {
Validator.of(tom).validate(User::getName, Objects::nonNull, "name cannot be null").get();
});
var tom = new User(null, 21, Sex.MALE, "tom@foo.bar");
assertThrows(
IllegalStateException.class,
() -> Validator.of(tom)
.validate(User::getName, Objects::nonNull, "name cannot be null")
.get()
);
}
@Test
public void testForInvalidAge() {
User john = new User("John", 17, Sex.MALE, "john@qwe.bar");
assertThrows(IllegalStateException.class, () -> {
Validator.of(john).validate(User::getName, Objects::nonNull, "name cannot be null")
.validate(User::getAge, age -> age > 21, "user is underaged")
.get();
});
var john = new User("John", 17, Sex.MALE, "john@qwe.bar");
assertThrows(
IllegalStateException.class,
() -> Validator.of(john)
.validate(User::getName, Objects::nonNull, "name cannot be null")
.validate(User::getAge, age -> age > 21, "user is underage")
.get()
);
}
@Test
public void testForValid() {
User sarah = new User("Sarah", 42, Sex.FEMALE, "sarah@det.org");
User validated = Validator.of(sarah).validate(User::getName, Objects::nonNull, "name cannot be null")
.validate(User::getAge, age -> age > 21, "user is underaged")
var sarah = new User("Sarah", 42, Sex.FEMALE, "sarah@det.org");
var validated = Validator.of(sarah)
.validate(User::getName, Objects::nonNull, "name cannot be null")
.validate(User::getAge, age -> age > 21, "user is underage")
.validate(User::getSex, sex -> sex == Sex.FEMALE, "user is not female")
.validate(User::getEmail, email -> email.contains("@"), "email does not contain @ sign")
.get();