package io.github.picotodev.blogbitix.javawiremock;

import com.github.tomakehurst.wiremock.WireMockServer;
import com.github.tomakehurst.wiremock.core.WireMockConfiguration;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;

import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.get;
import static com.github.tomakehurst.wiremock.client.WireMock.stubFor;
import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo;
import static org.junit.jupiter.api.Assertions.assertEquals;

public class MainTest {

    private static WireMockServer wireMockServer;

    @BeforeAll
    static void beforeAll() {
        wireMockServer = buildWireMockServer();
    }

    @AfterAll
    static void afterAll() {
        wireMockServer.stop();
    }

    @Test
    void test() throws Exception {
        // given
        stubFor(get(urlEqualTo("/message/1"))
                .willReturn(aResponse()
                        .withHeader("Content-Type", "appication/json")
                        .withBody("{\"id\": 1, \"text\": \"Hello World!\"}")));

        // when
        String response = new Main().getMessage(1L);

        // then
        assertEquals("{\"id\": 1, \"text\": \"Hello World!\"}", response);
    }

    private static WireMockServer buildWireMockServer() {
        WireMockServer wireMockServer = new WireMockServer(WireMockConfiguration.options().port(8089));
        wireMockServer.start();
        return wireMockServer;
    }
}

package io.github.picotodev.blogbitix.javawiremock;

import com.github.tomakehurst.wiremock.WireMockServer;
import com.github.tomakehurst.wiremock.core.WireMockConfiguration;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;

import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.get;
import static com.github.tomakehurst.wiremock.client.WireMock.stubFor;
import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo;
import static org.junit.jupiter.api.Assertions.assertEquals;

public class MainTest {

    private static WireMockServer wireMockServer;

    @BeforeAll
    static void beforeAll() {
        wireMockServer = buildWireMockServer();
    }

    @AfterAll
    static void afterAll() {
        wireMockServer.stop();
    }

    @Test
    void test() throws Exception {
        // given
        stubFor(get(urlEqualTo("/message/1"))
                .willReturn(aResponse()
                        .withHeader("Content-Type", "appication/json")
                        .withBody("{\"id\": 1, \"text\": \"Hello World!\"}")));

        // when
        String response = new Main().getMessage(1L);

        // then
        assertEquals("{\"id\": 1, \"text\": \"Hello World!\"}", response);
    }

    private static WireMockServer buildWireMockServer() {
        WireMockServer wireMockServer = new WireMockServer(WireMockConfiguration.options().port(8080));
        wireMockServer.start();
        return wireMockServer;
    }
}

fix test port