// +build experimental package main import ( "os/exec" "strings" "github.com/go-check/check" ) func (s *DockerSuite) TestExperimentalVersion(c *check.C) { versionCmd := exec.Command(dockerBinary, "version") out, _, err := runCommandWithOutput(versionCmd) if err != nil { c.Fatalf("failed to execute docker version: %s, %v", out, err) } for _, line := range strings.Split(out, "\n") { if strings.HasPrefix(line, "Client version:") || strings.HasPrefix(line, "Server version:") { c.Assert(line, check.Matches, "*-experimental") } } }