88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
package checkpoint
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import (
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"errors"
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"io"
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"strconv"
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"strings"
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"testing"
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"github.com/docker/cli/internal/test"
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"github.com/docker/docker/api/types/checkpoint"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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)
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func TestCheckpointCreateErrors(t *testing.T) {
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testCases := []struct {
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args []string
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checkpointCreateFunc func(container string, options checkpoint.CreateOptions) error
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expectedError string
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}{
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{
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args: []string{"too-few-arguments"},
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expectedError: "requires 2 arguments",
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},
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{
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args: []string{"too", "many", "arguments"},
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expectedError: "requires 2 arguments",
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},
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{
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args: []string{"foo", "bar"},
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checkpointCreateFunc: func(container string, options checkpoint.CreateOptions) error {
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return errors.New("error creating checkpoint for container foo")
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},
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expectedError: "error creating checkpoint for container foo",
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},
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}
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for _, tc := range testCases {
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cli := test.NewFakeCli(&fakeClient{
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checkpointCreateFunc: tc.checkpointCreateFunc,
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})
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cmd := newCreateCommand(cli)
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cmd.SetArgs(tc.args)
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cmd.SetOut(io.Discard)
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cmd.SetErr(io.Discard)
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assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
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}
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}
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func TestCheckpointCreateWithOptions(t *testing.T) {
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const (
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containerName = "container-foo"
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checkpointName = "checkpoint-bar"
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checkpointDir = "/dir/foo"
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)
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for _, tc := range []bool{true, false} {
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leaveRunning := strconv.FormatBool(tc)
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t.Run("leave-running="+leaveRunning, func(t *testing.T) {
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var actualContainerName string
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var actualOptions checkpoint.CreateOptions
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cli := test.NewFakeCli(&fakeClient{
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checkpointCreateFunc: func(container string, options checkpoint.CreateOptions) error {
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actualContainerName = container
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actualOptions = options
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return nil
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},
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})
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cmd := newCreateCommand(cli)
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cmd.SetOut(io.Discard)
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cmd.SetErr(io.Discard)
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cmd.SetArgs([]string{containerName, checkpointName})
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assert.Check(t, cmd.Flags().Set("leave-running", leaveRunning))
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assert.Check(t, cmd.Flags().Set("checkpoint-dir", checkpointDir))
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assert.NilError(t, cmd.Execute())
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assert.Check(t, is.Equal(actualContainerName, containerName))
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expected := checkpoint.CreateOptions{
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CheckpointID: checkpointName,
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CheckpointDir: checkpointDir,
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Exit: !tc,
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}
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assert.Check(t, is.Equal(actualOptions, expected))
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assert.Check(t, is.Equal(strings.TrimSpace(cli.OutBuffer().String()), checkpointName))
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})
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}
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}
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