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InfluxDBContainerTest.java
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InfluxDBContainerTest.java
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package org.testcontainers.containers;
import com.influxdb.client.InfluxDBClient;
import com.influxdb.client.InfluxDBClientFactory;
import com.influxdb.client.InfluxDBClientOptions;
import com.influxdb.client.QueryApi;
import com.influxdb.client.WriteApi;
import com.influxdb.client.domain.Bucket;
import com.influxdb.client.domain.BucketRetentionRules;
import com.influxdb.client.domain.WritePrecision;
import com.influxdb.client.write.Point;
import com.influxdb.query.FluxRecord;
import com.influxdb.query.FluxTable;
import org.assertj.core.api.Assertions;
import org.junit.Test;
import org.testcontainers.utility.DockerImageName;
import java.time.Instant;
import java.util.List;
import java.util.Optional;
public class InfluxDBContainerTest {
private static final String USERNAME = "new-test-user";
private static final String PASSWORD = "new-test-password";
private static final String ORG = "new-test-org";
private static final String BUCKET = "new-test-bucket";
private static final String RETENTION = "1w";
private static final String ADMIN_TOKEN = "super-secret-token";
private static final int SECONDS_IN_WEEK = 604800;
@Test
public void getInfluxDBClient() {
try (
// constructorWithDefaultVariables {
final InfluxDBContainer<?> influxDBContainer = new InfluxDBContainer<>(
DockerImageName.parse("influxdb:2.0.7")
)
// }
) {
influxDBContainer.start();
try (final InfluxDBClient influxDBClient = createClient(influxDBContainer)) {
Assertions.assertThat(influxDBClient).isNotNull();
Assertions.assertThat(influxDBClient.ping()).isTrue();
}
}
}
@Test
public void getInfluxDBClientWithAdminToken() {
try (
// constructorWithAdminToken {
final InfluxDBContainer<?> influxDBContainer = new InfluxDBContainer<>(
DockerImageName.parse("influxdb:2.0.7")
)
.withAdminToken(ADMIN_TOKEN)
// }
) {
influxDBContainer.start();
final Optional<String> adminToken = influxDBContainer.getAdminToken();
Assertions.assertThat(adminToken).isNotEmpty();
try (
final InfluxDBClient influxDBClient = createClientWithToken(
influxDBContainer.getUrl(),
adminToken.get()
)
) {
Assertions.assertThat(influxDBClient).isNotNull();
Assertions.assertThat(influxDBClient.ping()).isTrue();
}
}
}
@Test
public void getBucket() {
try (
// constructorWithCustomVariables {
final InfluxDBContainer<?> influxDBContainer = new InfluxDBContainer<>(
DockerImageName.parse("influxdb:2.0.7")
)
.withUsername(USERNAME)
.withPassword(PASSWORD)
.withOrganization(ORG)
.withBucket(BUCKET)
.withRetention(RETENTION);
// }
) {
influxDBContainer.start();
try (final InfluxDBClient influxDBClient = createClient(influxDBContainer)) {
final Bucket bucket = influxDBClient.getBucketsApi().findBucketByName(BUCKET);
Assertions.assertThat(bucket).isNotNull();
Assertions.assertThat(bucket.getName()).isEqualTo(BUCKET);
Assertions
.assertThat(bucket.getRetentionRules())
.hasSize(1)
.first()
.extracting(BucketRetentionRules::getEverySeconds)
.isEqualTo(SECONDS_IN_WEEK);
}
}
}
@Test
public void queryForWriteAndRead() {
try (
final InfluxDBContainer<?> influxDBContainer = new InfluxDBContainer<>(
InfluxDBTestUtils.INFLUXDB_V2_TEST_IMAGE
)
.withUsername(USERNAME)
.withPassword(PASSWORD)
.withOrganization(ORG)
.withBucket(BUCKET)
.withRetention(RETENTION)
) {
influxDBContainer.start();
try (final InfluxDBClient influxDBClient = createClient(influxDBContainer)) {
try (final WriteApi writeApi = influxDBClient.makeWriteApi()) {
final Point point = Point
.measurement("temperature")
.addTag("location", "west")
.addField("value", 55.0D)
.time(Instant.now().toEpochMilli(), WritePrecision.MS);
writeApi.writePoint(point);
}
final String flux = String.format("from(bucket:\"%s\") |> range(start: 0)", BUCKET);
final QueryApi queryApi = influxDBClient.getQueryApi();
final FluxTable fluxTable = queryApi.query(flux).get(0);
final List<FluxRecord> records = fluxTable.getRecords();
Assertions.assertThat(records).hasSize(1);
}
}
}
// createInfluxDBClient {
public static InfluxDBClient createClient(final InfluxDBContainer<?> influxDBContainer) {
final InfluxDBClientOptions influxDBClientOptions = InfluxDBClientOptions
.builder()
.url(influxDBContainer.getUrl())
.authenticate(influxDBContainer.getUsername(), influxDBContainer.getPassword().toCharArray())
.bucket(influxDBContainer.getBucket())
.org(influxDBContainer.getOrganization())
.build();
return InfluxDBClientFactory.create(influxDBClientOptions);
}
// }
public static InfluxDBClient createClientWithToken(final String url, final String token) {
return InfluxDBClientFactory.create(url, token.toCharArray());
}
}