DockerCLI/cli/command/swarm/leave_test.go

54 lines
1.2 KiB
Go

package swarm
import (
"io"
"strings"
"testing"
"github.com/docker/cli/internal/test"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestSwarmLeaveErrors(t *testing.T) {
testCases := []struct {
name string
args []string
swarmLeaveFunc func() error
expectedError string
}{
{
name: "too-many-args",
args: []string{"foo"},
expectedError: "accepts no arguments",
},
{
name: "leave-failed",
swarmLeaveFunc: func() error {
return errors.Errorf("error leaving the swarm")
},
expectedError: "error leaving the swarm",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
cmd := newLeaveCommand(
test.NewFakeCli(&fakeClient{
swarmLeaveFunc: tc.swarmLeaveFunc,
}))
cmd.SetArgs(tc.args)
cmd.SetOut(io.Discard)
cmd.SetErr(io.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
})
}
}
func TestSwarmLeave(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{})
cmd := newLeaveCommand(cli)
assert.NilError(t, cmd.Execute())
assert.Check(t, is.Equal("Node left the swarm.", strings.TrimSpace(cli.OutBuffer().String())))
}