moby/client/container_diff_test.go
Sebastiaan van Stijn 66cf0e3f55
client: slightly improve ContainerDiff tests
- use gotest.tools for asserting
- check result returned

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2023-05-03 21:25:07 +02:00

64 lines
1.5 KiB
Go

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/container"
"github.com/docker/docker/errdefs"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestContainerDiffError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, err := client.ContainerDiff(context.Background(), "nothing")
assert.Check(t, is.ErrorType(err, errdefs.IsSystem))
}
func TestContainerDiff(t *testing.T) {
const expectedURL = "/containers/container_id/changes"
expected := []container.FilesystemChange{
{
Kind: container.ChangeModify,
Path: "/path/1",
},
{
Kind: container.ChangeAdd,
Path: "/path/2",
},
{
Kind: container.ChangeDelete,
Path: "/path/3",
},
}
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)
}
b, err := json.Marshal(expected)
if err != nil {
return nil, err
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader(b)),
}, nil
}),
}
changes, err := client.ContainerDiff(context.Background(), "container_id")
assert.Check(t, err)
assert.Check(t, is.DeepEqual(changes, expected))
}