func (c *Client) ValidateCommon(t *testing.T, err error) {
if c.Error {
if err == nil {
t.Errorf("error expected for %#v, got none", c.Request)
}
return
}
if err != nil {
t.Errorf("no error expected for %#v, got: %v", c.Request, err)
}
if c.handler.RequestReceived == nil {
t.Errorf("handler had an empty request, %#v", c)
return
}
requestBody := body(t, c.Request.Body, c.Request.RawBody)
actualQuery := c.handler.RequestReceived.URL.Query()
t.Logf("got query: %v", actualQuery)
t.Logf("path: %v", c.Request.Path)
// We check the query manually, so blank it out so that FakeHandler.ValidateRequest
// won't check it.
c.handler.RequestReceived.URL.RawQuery = ""
c.handler.ValidateRequest(t, path.Join(c.Request.Path), c.Request.Method, requestBody)
for key, values := range c.Request.Query {
validator, ok := c.QueryValidator[key]
if !ok {
switch key {
case unversioned.LabelSelectorQueryParam(testapi.Default.GroupVersion().String()):
validator = ValidateLabels
case unversioned.FieldSelectorQueryParam(testapi.Default.GroupVersion().String()):
validator = validateFields
default:
validator = func(a, b string) bool { return a == b }
}
}
observed := actualQuery.Get(key)
wanted := strings.Join(values, "")
if !validator(wanted, observed) {
t.Errorf("Unexpected query arg for key: %s. Expected %s, Received %s", key, wanted, observed)
}
}
if c.Request.Header != "" {
if c.handler.RequestReceived.Header.Get(c.Request.Header) == "" {
t.Errorf("header %q not found in request %#v", c.Request.Header, c.handler.RequestReceived)
}
}
if expected, received := requestBody, c.handler.RequestBody; expected != nil && *expected != received {
t.Errorf("bad body for request %#v: expected %s, got %s", c.Request, *expected, received)
}
}
// VersionedParams will take the provided object, serialize it to a map[string][]string using the
// implicit RESTClient API version and the default parameter codec, and then add those as parameters
// to the request. Use this to provide versioned query parameters from client libraries.
func (r *Request) VersionedParams(obj runtime.Object, codec runtime.ParameterCodec) *Request {
if r.err != nil {
return r
}
params, err := codec.EncodeParameters(obj, *r.content.GroupVersion)
if err != nil {
r.err = err
return r
}
for k, v := range params {
for _, value := range v {
// TODO: Move it to setParam method, once we get rid of
// FieldSelectorParam & LabelSelectorParam methods.
if k == unversioned.LabelSelectorQueryParam(r.content.GroupVersion.String()) && value == "" {
// Don't set an empty selector for backward compatibility.
// Since there is no way to get the difference between empty
// and unspecified string, we don't set it to avoid having
// labelSelector= param in every request.
continue
}
if k == unversioned.FieldSelectorQueryParam(r.content.GroupVersion.String()) {
if len(value) == 0 {
// Don't set an empty selector for backward compatibility.
// Since there is no way to get the difference between empty
// and unspecified string, we don't set it to avoid having
// fieldSelector= param in every request.
continue
}
// TODO: Filtering should be handled somewhere else.
selector, err := fields.ParseSelector(value)
if err != nil {
r.err = fmt.Errorf("unparsable field selector: %v", err)
return r
}
filteredSelector, err := selector.Transform(
func(field, value string) (newField, newValue string, err error) {
return fieldMappings.filterField(r.content.GroupVersion, r.resource, field, value)
})
if err != nil {
r.err = fmt.Errorf("untransformable field selector: %v", err)
return r
}
value = filteredSelector.String()
}
r.setParam(k, value)
}
}
return r
}
func TestListWatchesCanList(t *testing.T) {
fieldSelectorQueryParamName := unversioned.FieldSelectorQueryParam(testapi.Default.GroupVersion().String())
table := []struct {
location string
resource string
namespace string
fieldSelector fields.Selector
}{
// Node
{
location: testapi.Default.ResourcePath("nodes", api.NamespaceAll, ""),
resource: "nodes",
namespace: api.NamespaceAll,
fieldSelector: parseSelectorOrDie(""),
},
// pod with "assigned" field selector.
{
location: buildLocation(
testapi.Default.ResourcePath("pods", api.NamespaceAll, ""),
buildQueryValues(url.Values{fieldSelectorQueryParamName: []string{"spec.host="}})),
resource: "pods",
namespace: api.NamespaceAll,
fieldSelector: fields.Set{"spec.host": ""}.AsSelector(),
},
// pod in namespace "foo"
{
location: buildLocation(
testapi.Default.ResourcePath("pods", "foo", ""),
buildQueryValues(url.Values{fieldSelectorQueryParamName: []string{"spec.host="}})),
resource: "pods",
namespace: "foo",
fieldSelector: fields.Set{"spec.host": ""}.AsSelector(),
},
}
for _, item := range table {
handler := utiltesting.FakeHandler{
StatusCode: 500,
ResponseBody: "",
T: t,
}
server := httptest.NewServer(&handler)
// TODO: Uncomment when fix #19254
// defer server.Close()
client := client.NewOrDie(&client.Config{Host: server.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
lw := NewListWatchFromClient(client, item.resource, item.namespace, item.fieldSelector)
// This test merely tests that the correct request is made.
lw.List(api.ListOptions{})
handler.ValidateRequest(t, item.location, "GET", nil)
}
}
// FieldsSelectorParam adds the given selector as a query parameter with the name paramName.
func (r *Request) FieldsSelectorParam(s fields.Selector) *Request {
if r.err != nil {
return r
}
if s == nil {
return r
}
if s.Empty() {
return r
}
s2, err := s.Transform(func(field, value string) (newField, newValue string, err error) {
return fieldMappings.filterField(r.content.GroupVersion, r.resource, field, value)
})
if err != nil {
r.err = err
return r
}
return r.setParam(unversioned.FieldSelectorQueryParam(r.content.GroupVersion.String()), s2.String())
}