package client import ( "net/http" "testing" "github.com/stretchr/testify/assert" "golang.org/x/net/context" ) func TestDistributionInspectUnsupported(t *testing.T) { client := &Client{ version: "1.29", client: &http.Client{}, } _, err := client.DistributionInspect(context.Background(), "foobar:1.0", "") assert.EqualError(t, err, `"distribution inspect" requires API version 1.30, but the Docker daemon API version is 1.29`) }