open-vault/vendor/gopkg.in/ory-am/dockertest.v2/mongodb.go
Jeff Mitchell 80dc5819d3 Use dockertest.v2 (#2247)
New dockertest has a totally different API and will require some serious
refactoring. This will tide over until then by pinning the API version.
2017-01-09 13:46:54 -05:00

44 lines
1.3 KiB
Go

package dockertest
import (
"errors"
"fmt"
"log"
"time"
)
// SetupMongoContainer sets up a real MongoDB instance for testing purposes,
// using a Docker container. It returns the container ID and its IP address,
// or makes the test fail on error.
func SetupMongoContainer() (c ContainerID, ip string, port int, err error) {
port = RandomPort()
forward := fmt.Sprintf("%d:%d", port, 27017)
if BindDockerToLocalhost != "" {
forward = "127.0.0.1:" + forward
}
c, ip, err = SetupContainer(MongoDBImageName, port, 10*time.Second, func() (string, error) {
res, err := run("--name", GenerateContainerID(), "-d", "-P", "-p", forward, MongoDBImageName)
return res, err
})
return
}
// ConnectToMongoDB starts a MongoDB image and passes the database url to the connector callback.
// The url will match the ip:port pattern (e.g. 123.123.123.123:4241)
func ConnectToMongoDB(tries int, delay time.Duration, connector func(url string) bool) (c ContainerID, err error) {
c, ip, port, err := SetupMongoContainer()
if err != nil {
return c, fmt.Errorf("Could not set up MongoDB container: %v", err)
}
for try := 0; try <= tries; try++ {
time.Sleep(delay)
url := fmt.Sprintf("%s:%d", ip, port)
if connector(url) {
return c, nil
}
log.Printf("Try %d failed. Retrying.", try)
}
return c, errors.New("Could not set up MongoDB container.")
}