Add the factory for Token model.

src/main/java/space/kklochko/spring_rest_example/models/factories/TokenFactory.java

@@ -0,0 +1,33 @@
+package space.kklochko.spring_rest_example.models.factories;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.springframework.beans.factory.annotation.Autowired;
+import space.kklochko.spring_rest_example.models.Token;
+import space.kklochko.spring_rest_example.security.tokens.StringTokenFactory;
+
+@AllArgsConstructor
+@Getter
+public class TokenFactory {
+    public StringTokenFactory factory;
+
+    public TokenFactory() {
+        setFactory(null);
+    }
+
+    public Token create(String username, String role) {
+        Token token = new Token();
+
+        token.setUsername(username);
+        token.setRole(role);
+        token.setToken(getFactory().create(username));
+
+        return token;
+    }
+
+    @Autowired
+    public void setFactory(StringTokenFactory factory) {
+        this.factory = factory;
+    }
+}
+

src/test/groovy/space/kklochko/spring_rest_example/models/factories/TokenFactorySpec.groovy

@@ -0,0 +1,32 @@
+package space.kklochko.spring_rest_example.models.factories
+
+import space.kklochko.spring_rest_example.security.tokens.StringTokenFactory
+import spock.lang.Specification
+import spock.lang.Subject
+
+class TokenFactorySpec extends Specification {
+    def "Create a token for a user"() {
+        given: "I have a string token factory"
+        def stringTokenFactory = Mock(StringTokenFactory)
+        stringTokenFactory.create(_) >> "token"
+
+        and: "I have a token factory"
+        @Subject
+        def factory = new TokenFactory(stringTokenFactory)
+
+        and: "I have a username and a role"
+        String username = "user"
+        String role = "USER"
+
+        when: "I create a token"
+        def token = factory.create(username, role)
+
+        then: "The token is the same if the same input data."
+        with(token) {
+            getUsername() == username
+            getRole() == role
+            getToken() == "token"
+        }
+    }
+}
+