40 lines
1.3 KiB
Go
40 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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// SetupCustomContainer sets up a real an instance of the given image 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 SetupCustomContainer(imageName string, exposedPort int, timeOut time.Duration, extraDockerArgs ...string) (c ContainerID, ip string, localPort int, err error) {
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localPort = RandomPort()
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forward := fmt.Sprintf("%d:%d", localPort, exposedPort)
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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(imageName, localPort, timeOut, func() (string, error) {
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args := make([]string, 0, len(extraDockerArgs)+7)
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args = append(args, "--name", GenerateContainerID(), "-d", "-P", "-p", forward)
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args = append(args, extraDockerArgs...)
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args = append(args, imageName)
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return run(args...)
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})
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return
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}
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// ConnectToCustomContainer attempts to connect to a custom container until successful or the maximum number of tries is reached.
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func ConnectToCustomContainer(url string, tries int, delay time.Duration, connector func(url string) bool) error {
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for try := 0; try <= tries; try++ {
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time.Sleep(delay)
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if connector(url) {
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return 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 errors.New("Could not set up custom container.")
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}
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