80dc5819d3
New dockertest has a totally different API and will require some serious refactoring. This will tide over until then by pinning the API version.
44 lines
1.3 KiB
Go
44 lines
1.3 KiB
Go
package dockertest
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import (
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"errors"
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"fmt"
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"log"
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"time"
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)
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// SetupMongoContainer sets up a real MongoDB instance for testing purposes,
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// using a Docker container. It returns the container ID and its IP address,
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// or makes the test fail on error.
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func SetupMongoContainer() (c ContainerID, ip string, port int, err error) {
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port = RandomPort()
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forward := fmt.Sprintf("%d:%d", port, 27017)
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if BindDockerToLocalhost != "" {
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forward = "127.0.0.1:" + forward
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}
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c, ip, err = SetupContainer(MongoDBImageName, port, 10*time.Second, func() (string, error) {
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res, err := run("--name", GenerateContainerID(), "-d", "-P", "-p", forward, MongoDBImageName)
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return res, err
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})
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return
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}
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// ConnectToMongoDB starts a MongoDB image and passes the database url to the connector callback.
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// The url will match the ip:port pattern (e.g. 123.123.123.123:4241)
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func ConnectToMongoDB(tries int, delay time.Duration, connector func(url string) bool) (c ContainerID, err error) {
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c, ip, port, err := SetupMongoContainer()
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if err != nil {
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return c, fmt.Errorf("Could not set up MongoDB container: %v", err)
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}
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for try := 0; try <= tries; try++ {
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time.Sleep(delay)
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url := fmt.Sprintf("%s:%d", ip, port)
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if connector(url) {
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return c, nil
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}
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log.Printf("Try %d failed. Retrying.", try)
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}
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return c, errors.New("Could not set up MongoDB container.")
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}
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