robocar-base/testtools/docker/docker.go

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package docker
import (
"context"
"fmt"
"github.com/testcontainers/testcontainers-go"
"github.com/testcontainers/testcontainers-go/wait"
"testing"
)
func MqttContainer(t *testing.T) (context.Context, testcontainers.Container, string) {
ctx := context.Background()
req := testcontainers.ContainerRequest{
Image: "eclipse-mosquitto",
ExposedPorts: []string{"1883/tcp"},
WaitingFor: wait.ForLog("listen socket on port 1883."),
}
mqttC, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
ContainerRequest: req,
Started: true,
})
if err != nil {
t.Error(err)
}
ip, err := mqttC.Host(ctx)
if err != nil {
t.Error(err)
}
port, err := mqttC.MappedPort(ctx, "1883/tcp")
if err != nil {
t.Error(err)
}
mqttUri := fmt.Sprintf("tcp://%s:%d", ip, port.Int())
return ctx, mqttC, mqttUri
}