fix: add test

Author: SimonDmz

src/test/java/fr/insee/pearljam/domain/surveyunit/model/contacthistory/PersonTest.java

@@ -0,0 +1,84 @@
+package fr.insee.pearljam.domain.surveyunit.model.contacthistory;
+
+import fr.insee.pearljam.api.domain.Source;
+import fr.insee.pearljam.api.domain.Title;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class PersonTest {
+
+    private ContactHistory contactHistory(String comment) {
+        return new ContactHistory(ContactHistoryType.PREVIOUS,
+                comment,
+                HistoryContactOutcomeType.IMP,
+                new HashSet<>()
+        );
+    }
+
+    private final ContactHistory niceCH = contactHistory("nice comment");
+    private final ContactHistory otherNiceCH = contactHistory("other nice comment");
+
+    private Person base(ContactHistory ch) {
+        Person person = new Person(1L,
+                Title.MISTER,
+                "John",
+                "Doe",
+                "john@doe.fr",
+                123456789L,
+                true,
+                Boolean.TRUE,
+                Set.of(new PhoneNumber(Source.INTERVIEWER, true, "0600000000")),
+                ch
+        );
+        ch.persons().add(person);
+        return person;
+    }
+
+    @Test
+    void equals_sameInstance_true() {
+        Person p = base(niceCH);
+        assertEquals(p, p);
+    }
+
+    @Test
+    void equals_null_false() {
+        Person p = base(niceCH);
+        assertNotEquals(null, p);
+    }
+
+    @Test
+    void equals_otherType_false() {
+        Person p = base(niceCH);
+        assertNotEquals("not a person", p);
+    }
+
+    @Test
+    void equals_sameFields_true_evenIfContactHistoryDiffers() {
+        Person p1 = base(niceCH);
+        Person p2 = base(otherNiceCH);
+
+        assertEquals(p1, p2);
+        assertEquals(p1.hashCode(), p2.hashCode(), "hashCode must match when equals is true");
+    }
+
+    @Test
+    void equals_oneFieldDifferent_false() {
+        Person p1 = base(niceCH);
+        Person p2 = new Person(2L, // id differs
+                Title.MISTER,
+                "John",
+                "Doe",
+                "john@doe.fr",
+                123456789L,
+                true,
+                Boolean.TRUE,
+                Set.of(new PhoneNumber(Source.INTERVIEWER, true, "0600000000")), otherNiceCH);
+
+        assertNotEquals(p1, p2);
+    }
+}
+