nclazz-mail-relay/src/test/java/de/nclazz/service/mailrelay/domain/ForwardMessageTest.java

package de.nclazz.service.mailrelay.domain;

import org.junit.jupiter.api.Test;

import java.time.LocalDateTime;
import java.util.List;
import java.util.UUID;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

class ForwardMessageTest {

    @Test
    void relayForwardsMessageToCorrectAccountByToken() {
        String token = "my-token";
        Account account = new Account(
                UUID.randomUUID(),
                "company-invoices",
                token,
                List.of("info@company.com")
        );

        Relay relay = TestRelayBuilder.builder().build();
        relay.saveAccount(account);

        LocalDateTime now = LocalDateTime.now();
        Message message = Message.of(
                "Urgent message",
                "Please reply",
                "vip@company.com",
                now
        );

        relay.forwardMessage(token, message);
        assertThat(account.getSentMessages())
                .hasSize(1)
                .containsExactly(message);
    }

    @Test
    void relayDoesNotForwardMessageForWrongToken() {
        String token = "my-token";
        Account account = new Account(
                UUID.randomUUID(),
                "company-invoices",
                token,
                List.of("info@company.com")
        );

        Relay relay = TestRelayBuilder.builder().build();
        relay.saveAccount(account);

        LocalDateTime now = LocalDateTime.now();
        Message message = Message.of(
                "Urgent message",
                "Please reply",
                "vip@company.com",
                now
        );

        relay.forwardMessage("wrong-token", message);
        assertThat(account.getSentMessages())
                .isEmpty();
    }

    @Test
    void forwardMessageShouldCauseMessageForwarderToBeInvoked() {
        MessageForwarder forwarder = mock(MessageForwarder.class);
        String token = "my-token";
        Account account = new Account(
                UUID.randomUUID(),
                "company-invoices",
                token,
                List.of("info@company.com")
        );

        Relay relay = TestRelayBuilder.builder().build();
        relay.saveAccount(account);

        LocalDateTime now = LocalDateTime.now();
        Message message = Message.of(
                "Urgent message",
                "Please reply",
                "vip@company.com",
                now
        );

        relay.forwardMessage(token, message);

        verify(forwarder).forwardMessage("Urgent message", "Please reply", "vip@company.com", List.of("info@company.com"));
    }
}