test: Phone

Author: Guilherme Biff Zarelli

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

@@ -19,7 +19,7 @@ public static Phone from(final String phoneId, final String phoneNumber) {
   private final String phoneNumber;
 
   Phone(final String phoneId, final String phoneNumber) {
-    Objects.requireNonNull(phoneNumber);
+    Objects.requireNonNull(phoneNumber, "Phone number cant be null");
     this.phoneId = phoneId;
     this.phoneNumber = phoneNumber;
   }

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

@@ -1,7 +1,49 @@
 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 java.util.Optional;
+import org.junit.jupiter.api.Test;
 
 class PhoneTest {
 
+  @Test
+  void shouldThrowsNullPointerWhenPhoneNumberIsNull() {
+    assertThatThrownBy(() -> Phone.from(null, null))
+        .hasMessage("Phone number cant be null");
+  }
+
+  @Test
+  void shouldNotThrowsWhenOnlyPhoneIdIsNull() {
+    final var messageBody = Phone.from(null, "132123");
+    assertThat(messageBody.getPhoneNumber())
+        .isNotNull()
+        .isEqualTo("132123");
+    assertThat(messageBody.getPhoneId())
+        .isNotNull()
+        .isEqualTo(Optional.empty());
+  }
+
+  @Test
+  void shouldCreatePhoneWithNewNumber() {
+    final var messageBody = Phone.newNumber("132123");
+    assertThat(messageBody.getPhoneNumber())
+        .isNotNull()
+        .isEqualTo("132123");
+    assertThat(messageBody.getPhoneId())
+        .isNotNull()
+        .isEqualTo(Optional.empty());
+  }
+
+  @Test
+  void shouldCreatePhoneWithIdAndNumber() {
+    final var messageBody = Phone.from("1", "132123");
+    assertThat(messageBody.getPhoneNumber())
+        .isNotNull()
+        .isEqualTo("132123");
+    assertThat(messageBody.getPhoneId())
+        .isNotNull()
+        .isEqualTo(Optional.of("1"));
+  }
 }