test: MessageBoddy and MessageId

Author: Guilherme Biff Zarelli

core/domain/src/main/java/br/com/helpdev/domain/vo/MessageBody.java

@@ -12,7 +12,7 @@ public static MessageBody from(final String body) {
   private final String body;
 
   MessageBody(final String body) {
-    Objects.requireNonNull(body);
+    Objects.requireNonNull(body, "Body cant be null");
     if (body.isEmpty()) {
       throw new InvalidMessageException("Body cant be empty");
     }

core/domain/src/main/java/br/com/helpdev/domain/vo/MessageId.java

@@ -14,7 +14,7 @@ public static MessageId from(final Long id) {
   private final Long id;
 
   MessageId(final Long id) {
-    Objects.requireNonNull(id);
+    Objects.requireNonNull(id, "Id cant be null");
     if (id <= 0) {
       throw new IllegalArgumentException("Id should be greater than 0");
     }

core/domain/src/test/java/br/com/helpdev/domain/vo/MessageBodyTest.java

@@ -1,7 +1,30 @@
 package br.com.helpdev.domain.vo;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import org.junit.jupiter.api.Test;
 
 class MessageBodyTest {
 
+  @Test
+  void shouldThrowsNullPointerWhenBodyIsNull() {
+    assertThatThrownBy(() -> MessageBody.from(null))
+        .hasMessage("Body cant be null");
+  }
+
+  @Test
+  void shouldThrowsInvalidMessageExceptionWhenBodyIsEmpty() {
+    assertThatThrownBy(() -> MessageBody.from(""))
+        .hasMessage("Body cant be empty");
+  }
+
+  @Test
+  void shouldBeCreatedWithSuccess() {
+    final var messageBody = MessageBody.from("test");
+    assertThat(messageBody.value())
+        .isNotNull()
+        .isEqualTo("test");
+  }
+
 }

core/domain/src/test/java/br/com/helpdev/domain/vo/MessageIdTest.java

@@ -1,7 +1,31 @@
 package br.com.helpdev.domain.vo;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import org.junit.jupiter.api.Test;
 
 class MessageIdTest {
 
+  @Test
+  void shouldThrowsNullPointerWhenMessageIdIsNull() {
+    assertThatThrownBy(() -> MessageId.from(null))
+        .hasMessage("Id cant be null");
+  }
+
+  @Test
+  void shouldThrowsInvalidMessageExceptionWhenBodyIsntGreaterThan0() {
+    assertThatThrownBy(() -> MessageId.from(0L))
+        .hasMessage("Id should be greater than 0");
+    assertThatThrownBy(() -> MessageId.from(-1L))
+        .hasMessage("Id should be greater than 0");
+  }
+
+  @Test
+  void shouldBeCreatedWithSuccess() {
+    final var messageBody = MessageId.from(1L);
+    assertThat(messageBody.value())
+        .isNotNull()
+        .isEqualTo(1L);
+  }
 }