DockerCLI/cli/command/registry_test.go

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package command_test
import (
"bytes"
"testing"
"github.com/pkg/errors"
"github.com/stretchr/testify/assert"
"golang.org/x/net/context"
// Prevents a circular import with "github.com/docker/cli/cli/internal/test"
. "github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
)
type fakeClient struct {
client.Client
infoFunc func() (types.Info, error)
}
func (cli *fakeClient) Info(_ context.Context) (types.Info, error) {
if cli.infoFunc != nil {
return cli.infoFunc()
}
return types.Info{}, nil
}
func TestElectAuthServer(t *testing.T) {
testCases := []struct {
expectedAuthServer string
expectedWarning string
infoFunc func() (types.Info, error)
}{
{
expectedAuthServer: "https://index.docker.io/v1/",
expectedWarning: "",
infoFunc: func() (types.Info, error) {
return types.Info{IndexServerAddress: "https://index.docker.io/v1/"}, nil
},
},
{
expectedAuthServer: "https://index.docker.io/v1/",
expectedWarning: "Empty registry endpoint from daemon",
infoFunc: func() (types.Info, error) {
return types.Info{IndexServerAddress: ""}, nil
},
},
{
expectedAuthServer: "https://foo.bar",
expectedWarning: "",
infoFunc: func() (types.Info, error) {
return types.Info{IndexServerAddress: "https://foo.bar"}, nil
},
},
{
expectedAuthServer: "https://index.docker.io/v1/",
expectedWarning: "failed to get default registry endpoint from daemon",
infoFunc: func() (types.Info, error) {
return types.Info{}, errors.Errorf("error getting info")
},
},
}
for _, tc := range testCases {
buf := new(bytes.Buffer)
cli := test.NewFakeCli(&fakeClient{infoFunc: tc.infoFunc}, buf)
errBuf := new(bytes.Buffer)
cli.SetErr(errBuf)
server := ElectAuthServer(context.Background(), cli)
assert.Equal(t, tc.expectedAuthServer, server)
actual := errBuf.String()
if tc.expectedWarning == "" {
assert.Empty(t, actual)
} else {
assert.Contains(t, actual, tc.expectedWarning)
}
}
}