DockerCLI/cli/command/container/attach_test.go

138 lines
3.4 KiB
Go

package container
import (
"io"
"testing"
"github.com/docker/cli/cli"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
)
func TestNewAttachCommandErrors(t *testing.T) {
testCases := []struct {
name string
args []string
expectedError string
containerInspectFunc func(img string) (types.ContainerJSON, error)
}{
{
name: "client-error",
args: []string{"5cb5bb5e4a3b"},
expectedError: "something went wrong",
containerInspectFunc: func(containerID string) (types.ContainerJSON, error) {
return types.ContainerJSON{}, errors.Errorf("something went wrong")
},
},
{
name: "client-stopped",
args: []string{"5cb5bb5e4a3b"},
expectedError: "You cannot attach to a stopped container",
containerInspectFunc: func(containerID string) (types.ContainerJSON, error) {
return types.ContainerJSON{
ContainerJSONBase: &types.ContainerJSONBase{
State: &types.ContainerState{
Running: false,
},
},
}, nil
},
},
{
name: "client-paused",
args: []string{"5cb5bb5e4a3b"},
expectedError: "You cannot attach to a paused container",
containerInspectFunc: func(containerID string) (types.ContainerJSON, error) {
return types.ContainerJSON{
ContainerJSONBase: &types.ContainerJSONBase{
State: &types.ContainerState{
Running: true,
Paused: true,
},
},
}, nil
},
},
{
name: "client-restarting",
args: []string{"5cb5bb5e4a3b"},
expectedError: "You cannot attach to a restarting container",
containerInspectFunc: func(containerID string) (types.ContainerJSON, error) {
return types.ContainerJSON{
ContainerJSONBase: &types.ContainerJSONBase{
State: &types.ContainerState{
Running: true,
Paused: false,
Restarting: true,
},
},
}, nil
},
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
cmd := NewAttachCommand(test.NewFakeCli(&fakeClient{inspectFunc: tc.containerInspectFunc}))
cmd.SetOut(io.Discard)
cmd.SetErr(io.Discard)
cmd.SetArgs(tc.args)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
})
}
}
func TestGetExitStatus(t *testing.T) {
var (
expectedErr = errors.New("unexpected error")
errC = make(chan error, 1)
resultC = make(chan container.WaitResponse, 1)
)
testcases := []struct {
result *container.WaitResponse
err error
expectedError error
}{
{
result: &container.WaitResponse{
StatusCode: 0,
},
},
{
err: expectedErr,
expectedError: expectedErr,
},
{
result: &container.WaitResponse{
Error: &container.WaitExitError{Message: expectedErr.Error()},
},
expectedError: expectedErr,
},
{
result: &container.WaitResponse{
StatusCode: 15,
},
expectedError: cli.StatusError{StatusCode: 15},
},
}
for _, testcase := range testcases {
if testcase.err != nil {
errC <- testcase.err
}
if testcase.result != nil {
resultC <- *testcase.result
}
err := getExitStatus(errC, resultC)
if testcase.expectedError == nil {
assert.NilError(t, err)
} else {
assert.Error(t, err, testcase.expectedError.Error())
}
}
}