content: /*
   * MIT License
   *
   * Copyright (c) 2020 Alen Turkovic
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  package com.github.alturkovic.lock.mongo.impl;
  
  import com.github.alturkovic.lock.Lock;
  import com.github.alturkovic.lock.mongo.model.LockDocument;
  import java.time.LocalDateTime;
  import java.time.temporal.ChronoUnit;
  import java.util.Collections;
  import org.assertj.core.data.TemporalUnitWithinOffset;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.springframework.beans.factory.InitializingBean;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.boot.autoconfigure.SpringBootApplication;
  import org.springframework.boot.test.autoconfigure.data.mongo.DataMongoTest;
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
  import org.springframework.data.mongodb.core.MongoTemplate;
  import org.testcontainers.containers.GenericContainer;
  import org.testcontainers.containers.MongoDBContainer;
  import org.testcontainers.junit.jupiter.Container;
  import org.testcontainers.junit.jupiter.Testcontainers;
  import org.testcontainers.utility.DockerImageName;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  @SpringBootTest
  @Testcontainers
  public class SimpleMongoLockTest implements InitializingBean {
  
    @Container
    @ServiceConnection
    private static final MongoDBContainer mongo = new MongoDBContainer("mongo:latest").withExposedPorts(27017);
  
    @Autowired
    private MongoTemplate mongoTemplate;
  
    private Lock lock;
  
    @Override
    public void afterPropertiesSet() {
      // instead of writing a custom test configuration, we can just initialize it after autowiring mongoTemplate with a custom tokenSupplier
      lock = new SimpleMongoLock(() -> "abc", mongoTemplate);
    }
  
    @BeforeEach
    public void cleanMongoCollection() {
      mongoTemplate.dropCollection("locks");
    }
  
    @Test
    public void shouldLock() {
      final LocalDateTime expectedExpiration = LocalDateTime.now().plus(1000, ChronoUnit.MILLIS);
  
      final String token = lock.acquire(Collections.singletonList("1"), "locks", 1000);
      assertThat(token).isEqualTo("abc");
  
      final LockDocument document = mongoTemplate.findById("1", LockDocument.class, "locks");
      assertThat(document.getToken()).isEqualTo("abc");
      assertThat(document.getExpireAt()).isCloseTo(expectedExpiration, new TemporalUnitWithinOffset(100, ChronoUnit.MILLIS));
    }
  
    @Test
    public void shouldNotLock() {
      mongoTemplate.insert(new LockDocument("1", LocalDateTime.now().plusMinutes(1), "def"), "locks");
  
      final String token = lock.acquire(Collections.singletonList("1"), "locks", 1000);
      assertThat(token).isNull();
      assertThat(mongoTemplate.findById("1", LockDocument.class, "locks").getToken()).isEqualTo("def");
    }
  
    @Test
    public void shouldRelease() {
      mongoTemplate.insert(new LockDocument("1", LocalDateTime.now().plusMinutes(1), "abc"), "locks");
  
      final boolean released = lock.release(Collections.singletonList("1"), "locks", "abc");
      assertThat(released).isTrue();
      assertThat(mongoTemplate.findById("1", LockDocument.class, "locks")).isNull();
    }
  
    @Test
    public void shouldNotRelease() {
      mongoTemplate.insert(new LockDocument("1", LocalDateTime.now().plusMinutes(1), "def"), "locks");
  
      final boolean released = lock.release(Collections.singletonList("1"), "locks", "abc");
      assertThat(released).isFalse();
      assertThat(mongoTemplate.findById("1", LockDocument.class, "locks").getToken()).isEqualTo("def");
    }
  
    @Test
    public void shouldRefresh() throws InterruptedException {
      LocalDateTime expectedExpiration = LocalDateTime.now().plus(1000, ChronoUnit.MILLIS);
  
      final String token = lock.acquire(Collections.singletonList("1"), "locks", 1000);
      assertThat(mongoTemplate.findById("1", LockDocument.class, "locks").getExpireAt()).isCloseTo(expectedExpiration, new TemporalUnitWithinOffset(100, ChronoUnit.MILLIS));
      Thread.sleep(500);
      assertThat(mongoTemplate.findById("1", LockDocument.class, "locks").getExpireAt()).isCloseTo(expectedExpiration, new TemporalUnitWithinOffset(100, ChronoUnit.MILLIS));
      expectedExpiration = LocalDateTime.now().plus(1000, ChronoUnit.MILLIS);
      assertThat(lock.refresh(Collections.singletonList("1"), "locks", token, 1000)).isTrue();
      assertThat(mongoTemplate.findById("1", LockDocument.class, "locks").getExpireAt()).isCloseTo(expectedExpiration, new TemporalUnitWithinOffset(100, ChronoUnit.MILLIS));
    }
  
    @Test
    public void shouldNotRefreshBecauseTokenDoesNotMatch() {
      final LocalDateTime expectedExpiration = LocalDateTime.now().plus(1000, ChronoUnit.MILLIS);
  
      lock.acquire(Collections.singletonList("1"), "locks", 1000);
      assertThat(mongoTemplate.findById("1", LockDocument.class, "locks").getExpireAt()).isCloseTo(expectedExpiration, new TemporalUnitWithinOffset(100, ChronoUnit.MILLIS));
      assertThat(lock.refresh(Collections.singletonList("1"), "locks", "wrong-token", 1000)).isFalse();
      assertThat(mongoTemplate.findById("1", LockDocument.class, "locks").getExpireAt()).isCloseTo(expectedExpiration, new TemporalUnitWithinOffset(100, ChronoUnit.MILLIS));
    }
  
    @Test
    public void shouldNotRefreshBecauseKeyExpired() {
      assertThat(lock.refresh(Collections.singletonList("1"), "locks", "abc", 1000)).isFalse();
      assertThat(mongoTemplate.findAll(LockDocument.class)).isNullOrEmpty();
    }
  
    @SpringBootApplication
    static class TestApplication {}
  }
  