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package client // import "github.com/docker/docker/client"
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
"testing"
"github.com/docker/docker/api/types/checkpoint"
"github.com/docker/docker/errdefs"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestCheckpointCreateError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
err := client.CheckpointCreate(context.Background(), "nothing", checkpoint.CreateOptions{
CheckpointID: "noting",
Exit: true,
})
assert.Check(t, is.ErrorType(err, errdefs.IsSystem))
}
func TestCheckpointCreate(t *testing.T) {
expectedContainerID := "container_id"
expectedCheckpointID := "checkpoint_id"
expectedURL := "/containers/container_id/checkpoints"
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
if !strings.HasPrefix(req.URL.Path, expectedURL) {
return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
}
if req.Method != http.MethodPost {
return nil, fmt.Errorf("expected POST method, got %s", req.Method)
}
createOptions := &checkpoint.CreateOptions{}
if err := json.NewDecoder(req.Body).Decode(createOptions); err != nil {
return nil, err
}
if createOptions.CheckpointID != expectedCheckpointID {
return nil, fmt.Errorf("expected CheckpointID to be 'checkpoint_id', got %v", createOptions.CheckpointID)
}
if !createOptions.Exit {
return nil, fmt.Errorf("expected Exit to be true")
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader([]byte(""))),
}, nil
}),
}
err := client.CheckpointCreate(context.Background(), expectedContainerID, checkpoint.CreateOptions{
CheckpointID: expectedCheckpointID,
Exit: true,
})
if err != nil {
t.Fatal(err)
}
}
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