package testutil import ( "os" "testing" ) func TestDockerHost(t *testing.T) { os.Unsetenv("DOCKER_HOST") host := GetLocalHost() if host != localhost { t.Fatalf("Host should be localhost when DOCKER_HOST is not set. Current value [%s]", host) } os.Setenv("DOCKER_HOST", "1.1.1.1") host = GetLocalHost() if host != "1.1.1.1" { t.Fatalf("Host should take DOCKER_HOST value when set. Current value is [%s] and DOCKER_HOST is [%s]", host, os.Getenv("DOCKER_HOST")) } }