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package client // import "github.com/docker/docker/client"
import (
"bytes"
"context"
"fmt"
"io"
"net/http"
"strings"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/errdefs"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestServiceUpdateError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, err := client.ServiceUpdate(context.Background(), "service_id", swarm.Version{}, swarm.ServiceSpec{}, types.ServiceUpdateOptions{})
assert.Check(t, is.ErrorType(err, errdefs.IsSystem))
}
// TestServiceUpdateConnectionError verifies that connection errors occurring
// during API-version negotiation are not shadowed by API-version errors.
//
// Regression test for https://github.com/docker/cli/issues/4890
func TestServiceUpdateConnectionError(t *testing.T) {
client, err := NewClientWithOpts(WithAPIVersionNegotiation(), WithHost("tcp://no-such-host.invalid"))
assert.NilError(t, err)
_, err = client.ServiceUpdate(context.Background(), "service_id", swarm.Version{}, swarm.ServiceSpec{}, types.ServiceUpdateOptions{})
assert.Check(t, is.ErrorType(err, IsErrConnectionFailed))
}
func TestServiceUpdate(t *testing.T) {
expectedURL := "/services/service_id/update"
updateCases := []struct {
swarmVersion swarm.Version
expectedVersion string
}{
{
expectedVersion: "0",
},
{
swarmVersion: swarm.Version{
Index: 0,
},
expectedVersion: "0",
},
{
swarmVersion: swarm.Version{
Index: 10,
},
expectedVersion: "10",
},
}
for _, updateCase := range updateCases {
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)
}
version := req.URL.Query().Get("version")
if version != updateCase.expectedVersion {
return nil, fmt.Errorf("version not set in URL query properly, expected '%s', got %s", updateCase.expectedVersion, version)
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader([]byte("{}"))),
}, nil
}),
}
_, err := client.ServiceUpdate(context.Background(), "service_id", updateCase.swarmVersion, swarm.ServiceSpec{}, types.ServiceUpdateOptions{})
if err != nil {
t.Fatal(err)
}
}
}
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