package swarm import ( "context" "testing" "github.com/docker/cli/internal/test/network" "github.com/docker/docker/api/types" "github.com/pkg/errors" "gotest.tools/assert" ) type notFound struct { error } func (n notFound) NotFound() bool { return true } func TestValidateExternalNetworks(t *testing.T) { var testcases = []struct { inspectResponse types.NetworkResource inspectError error expectedMsg string network string }{ { inspectError: notFound{}, expectedMsg: "could not be found. You need to create a swarm-scoped network", }, { inspectError: errors.New("Unexpected"), expectedMsg: "Unexpected", }, // FIXME(vdemeester) that doesn't work under windows, the check needs to be smarter /* { inspectError: errors.New("host net does not exist on swarm classic"), network: "host", }, */ { network: "user", expectedMsg: "is not in the right scope", }, { network: "user", inspectResponse: types.NetworkResource{Scope: "swarm"}, }, } for _, testcase := range testcases { fakeClient := &network.FakeClient{ NetworkInspectFunc: func(_ context.Context, _ string, _ types.NetworkInspectOptions) (types.NetworkResource, error) { return testcase.inspectResponse, testcase.inspectError }, } networks := []string{testcase.network} err := validateExternalNetworks(context.Background(), fakeClient, networks) if testcase.expectedMsg == "" { assert.NilError(t, err) } else { assert.ErrorContains(t, err, testcase.expectedMsg) } } }