DockerCLI/cli/command/network/remove_test.go

package network

import (
	"context"
	"io"
	"testing"

	"github.com/docker/cli/internal/test"
	"github.com/docker/docker/errdefs"
	"github.com/pkg/errors"
	"gotest.tools/v3/assert"
	is "gotest.tools/v3/assert/cmp"
)

func TestNetworkRemoveForce(t *testing.T) {
	tests := []struct {
		doc         string
		args        []string
		expectedErr string
	}{
		{
			doc:  "existing network",
			args: []string{"existing-network"},
		},
		{
			doc:  "existing network (forced)",
			args: []string{"--force", "existing-network"},
		},
		{
			doc:         "non-existing network",
			args:        []string{"no-such-network"},
			expectedErr: "no such network: no-such-network",
		},
		{
			doc:  "non-existing network (forced)",
			args: []string{"--force", "no-such-network"},
		},
		{
			doc:         "in-use network",
			args:        []string{"in-use-network"},
			expectedErr: "network is in use",
		},
		{
			doc:         "in-use network (forced)",
			args:        []string{"--force", "in-use-network"},
			expectedErr: "network is in use",
		},
		{
			doc:         "multiple networks",
			args:        []string{"existing-network", "no-such-network"},
			expectedErr: "no such network: no-such-network",
		},
		{
			doc:  "multiple networks (forced)",
			args: []string{"--force", "existing-network", "no-such-network"},
		},
		{
			doc:         "multiple networks 2 (forced)",
			args:        []string{"--force", "existing-network", "no-such-network", "in-use-network"},
			expectedErr: "network is in use",
		},
	}

	for _, tc := range tests {
		tc := tc
		t.Run(tc.doc, func(t *testing.T) {
			fakeCli := test.NewFakeCli(&fakeClient{
				networkRemoveFunc: func(ctx context.Context, networkID string) error {
					switch networkID {
					case "no-such-network":
						return errdefs.NotFound(errors.New("no such network: no-such-network"))
					case "in-use-network":
						return errdefs.Forbidden(errors.New("network is in use"))
					case "existing-network":
						return nil
					default:
						return nil
					}
				},
			})

			cmd := newRemoveCommand(fakeCli)
			cmd.SetOut(io.Discard)
			cmd.SetErr(fakeCli.ErrBuffer())
			cmd.SetArgs(tc.args)

			err := cmd.Execute()
			if tc.expectedErr == "" {
				assert.NilError(t, err)
			} else {
				assert.Check(t, is.Contains(fakeCli.ErrBuffer().String(), tc.expectedErr))
				assert.ErrorContains(t, err, "Code: 1")
			}
		})
	}
}