DockerCLI/cli/internal/test/cli.go

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package test
import (
"io"
"io/ioutil"
"strings"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/client"
)
// FakeCli emulates the default DockerCli
type FakeCli struct {
command.DockerCli
client client.APIClient
configfile *configfile.ConfigFile
out io.Writer
err io.Writer
in io.ReadCloser
}
// NewFakeCli returns a Cli backed by the fakeCli
func NewFakeCli(client client.APIClient, out io.Writer) *FakeCli {
return &FakeCli{
client: client,
out: out,
err: ioutil.Discard,
in: ioutil.NopCloser(strings.NewReader("")),
}
}
// SetIn sets the input of the cli to the specified ReadCloser
func (c *FakeCli) SetIn(in io.ReadCloser) {
c.in = in
}
// SetErr sets the stderr stream for the cli to the specified io.Writer
func (c *FakeCli) SetErr(err io.Writer) {
c.err = err
}
// SetConfigfile sets the "fake" config file
func (c *FakeCli) SetConfigfile(configfile *configfile.ConfigFile) {
c.configfile = configfile
}
// Client returns a docker API client
func (c *FakeCli) Client() client.APIClient {
return c.client
}
// Out returns the output stream (stdout) the cli should write on
func (c *FakeCli) Out() *command.OutStream {
return command.NewOutStream(c.out)
}
// Err returns the output stream (stderr) the cli should write on
func (c *FakeCli) Err() io.Writer {
return c.err
}
// In returns the input stream the cli will use
func (c *FakeCli) In() *command.InStream {
return command.NewInStream(c.in)
}
// ConfigFile returns the cli configfile object (to get client configuration)
func (c *FakeCli) ConfigFile() *configfile.ConfigFile {
return c.configfile
}