/* Copyright 2014 The Kubernetes Authors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package resource import ( "bytes" "errors" "fmt" "io" "net/http" "reflect" "strings" "testing" apierrors "k8s.io/apimachinery/pkg/api/errors" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/apimachinery/pkg/labels" "k8s.io/apimachinery/pkg/runtime" "k8s.io/client-go/rest/fake" // TODO we need to remove this linkage and create our own scheme corev1 "k8s.io/api/core/v1" "k8s.io/client-go/kubernetes/scheme" ) func objBody(obj runtime.Object) io.ReadCloser { return io.NopCloser(bytes.NewReader([]byte(runtime.EncodeOrDie(corev1Codec, obj)))) } func header() http.Header { header := http.Header{} header.Set("Content-Type", runtime.ContentTypeJSON) return header } // splitPath returns the segments for a URL path. func splitPath(path string) []string { path = strings.Trim(path, "/") if path == "" { return []string{} } return strings.Split(path, "/") } // V1DeepEqualSafePodSpec returns a PodSpec which is ready to be used with apiequality.Semantic.DeepEqual func V1DeepEqualSafePodSpec() corev1.PodSpec { grace := int64(30) return corev1.PodSpec{ RestartPolicy: corev1.RestartPolicyAlways, DNSPolicy: corev1.DNSClusterFirst, TerminationGracePeriodSeconds: &grace, SecurityContext: &corev1.PodSecurityContext{}, } } func V1DeepEqualSafePodStatus() corev1.PodStatus { return corev1.PodStatus{ Conditions: []corev1.PodCondition{ { Status: corev1.ConditionTrue, Type: corev1.PodReady, }, }, } } func TestHelperDelete(t *testing.T) { tests := []struct { name string Err bool Req func(*http.Request) bool Resp *http.Response HttpErr error }{ { name: "test1", HttpErr: errors.New("failure"), Err: true, }, { name: "test2", Resp: &http.Response{ StatusCode: http.StatusNotFound, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusFailure}), }, Err: true, }, { name: "test3pkg/kubectl/genericclioptions/resource/helper_test.go", Resp: &http.Response{ StatusCode: http.StatusOK, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusSuccess}), }, Req: func(req *http.Request) bool { if req.Method != "DELETE" { t.Errorf("unexpected method: %#v", req) return false } parts := splitPath(req.URL.Path) if len(parts) < 3 { t.Errorf("expected URL path to have 3 parts: %s", req.URL.Path) return false } if parts[1] != "bar" { t.Errorf("url doesn't contain namespace: %#v", req) return false } if parts[2] != "foo" { t.Errorf("url doesn't contain name: %#v", req) return false } return true }, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { client := &fake.RESTClient{ NegotiatedSerializer: scheme.Codecs.WithoutConversion(), Resp: tt.Resp, Err: tt.HttpErr, } modifier := &Helper{ RESTClient: client, NamespaceScoped: true, } _, err := modifier.Delete("bar", "foo") if (err != nil) != tt.Err { t.Errorf("unexpected error: %t %v", tt.Err, err) } if err != nil { return } if tt.Req != nil && !tt.Req(client.Req) { t.Errorf("unexpected request: %#v", client.Req) } }) } } func TestHelperCreate(t *testing.T) { expectPost := func(req *http.Request) bool { if req.Method != "POST" { t.Errorf("unexpected method: %#v", req) return false } parts := splitPath(req.URL.Path) if parts[1] != "bar" { t.Errorf("url doesn't contain namespace: %#v", req) return false } return true } tests := []struct { name string Resp *http.Response HttpErr error Modify bool Object runtime.Object ExpectObject runtime.Object Err bool Req func(*http.Request) bool }{ { name: "test1", HttpErr: errors.New("failure"), Err: true, }, { name: "test1", Resp: &http.Response{ StatusCode: http.StatusNotFound, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusFailure}), }, Err: true, }, { name: "test1", Resp: &http.Response{ StatusCode: http.StatusOK, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusSuccess}), }, Object: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}, ExpectObject: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}, Req: expectPost, }, { name: "test1", Modify: false, Object: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}}, ExpectObject: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}}, Resp: &http.Response{StatusCode: http.StatusOK, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusSuccess})}, Req: expectPost, }, { name: "test1", Modify: true, Object: &corev1.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}, Spec: V1DeepEqualSafePodSpec(), }, ExpectObject: &corev1.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "foo"}, Spec: V1DeepEqualSafePodSpec(), }, Resp: &http.Response{StatusCode: http.StatusOK, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusSuccess})}, Req: expectPost, }, } for i, tt := range tests { t.Run(tt.name, func(t *testing.T) { client := &fake.RESTClient{ GroupVersion: corev1GV, NegotiatedSerializer: scheme.Codecs, Resp: tt.Resp, Err: tt.HttpErr, } modifier := &Helper{ RESTClient: client, NamespaceScoped: true, } _, err := modifier.Create("bar", tt.Modify, tt.Object) if (err != nil) != tt.Err { t.Errorf("%d: unexpected error: %t %v", i, tt.Err, err) } if err != nil { return } if tt.Req != nil && !tt.Req(client.Req) { t.Errorf("%d: unexpected request: %#v", i, client.Req) } body, err := io.ReadAll(client.Req.Body) if err != nil { t.Fatalf("%d: unexpected error: %#v", i, err) } t.Logf("got body: %s", string(body)) expect := []byte{} if tt.ExpectObject != nil { expect = []byte(runtime.EncodeOrDie(corev1Codec, tt.ExpectObject)) } if !reflect.DeepEqual(expect, body) { t.Errorf("%d: unexpected body: %s (expected %s)", i, string(body), string(expect)) } }) } } func TestHelperGet(t *testing.T) { tests := []struct { name string subresource string Err bool Req func(*http.Request) bool Resp *http.Response HttpErr error }{ { name: "test1", HttpErr: errors.New("failure"), Err: true, }, { name: "test1", Resp: &http.Response{ StatusCode: http.StatusNotFound, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusFailure}), }, Err: true, }, { name: "test1", Resp: &http.Response{ StatusCode: http.StatusOK, Header: header(), Body: objBody(&corev1.Pod{TypeMeta: metav1.TypeMeta{APIVersion: "v1", Kind: "Pod"}, ObjectMeta: metav1.ObjectMeta{Name: "foo"}}), }, Req: func(req *http.Request) bool { if req.Method != "GET" { t.Errorf("unexpected method: %#v", req) return false } parts := splitPath(req.URL.Path) if parts[1] != "bar" { t.Errorf("url doesn't contain namespace: %#v", req) return false } if parts[2] != "foo" { t.Errorf("url doesn't contain name: %#v", req) return false } return true }, }, { name: "test with subresource", subresource: "status", Resp: &http.Response{ StatusCode: http.StatusOK, Header: header(), Body: objBody(&corev1.Pod{TypeMeta: metav1.TypeMeta{APIVersion: "v1", Kind: "Pod"}, ObjectMeta: metav1.ObjectMeta{Name: "foo"}}), }, Req: func(req *http.Request) bool { if req.Method != "GET" { t.Errorf("unexpected method: %#v", req) return false } parts := splitPath(req.URL.Path) if parts[1] != "bar" { t.Errorf("url doesn't contain namespace: %#v", req) return false } if parts[2] != "foo" { t.Errorf("url doesn't contain name: %#v", req) return false } if parts[3] != "status" { t.Errorf("url doesn't contain subresource: %#v", req) return false } return true }, }, } for i, tt := range tests { t.Run(tt.name, func(t *testing.T) { client := &fake.RESTClient{ GroupVersion: corev1GV, NegotiatedSerializer: scheme.Codecs.WithoutConversion(), Resp: tt.Resp, Err: tt.HttpErr, } modifier := &Helper{ RESTClient: client, NamespaceScoped: true, Subresource: tt.subresource, } obj, err := modifier.Get("bar", "foo") if (err != nil) != tt.Err { t.Errorf("unexpected error: %d %t %v", i, tt.Err, err) } if err != nil { return } if obj.(*corev1.Pod).Name != "foo" { t.Errorf("unexpected object: %#v", obj) } if tt.Req != nil && !tt.Req(client.Req) { t.Errorf("unexpected request: %#v", client.Req) } }) } } func TestHelperList(t *testing.T) { tests := []struct { name string Err bool Req func(*http.Request) bool Resp *http.Response HttpErr error }{ { name: "test1", HttpErr: errors.New("failure"), Err: true, }, { name: "test2", Resp: &http.Response{ StatusCode: http.StatusNotFound, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusFailure}), }, Err: true, }, { name: "test3", Resp: &http.Response{ StatusCode: http.StatusOK, Header: header(), Body: objBody(&corev1.PodList{ Items: []corev1.Pod{{ ObjectMeta: metav1.ObjectMeta{Name: "foo"}, }, }, }), }, Req: func(req *http.Request) bool { if req.Method != "GET" { t.Errorf("unexpected method: %#v", req) return false } if req.URL.Path != "/namespaces/bar" { t.Errorf("url doesn't contain name: %#v", req.URL) return false } if req.URL.Query().Get(metav1.LabelSelectorQueryParam(corev1GV.String())) != labels.SelectorFromSet(labels.Set{"foo": "baz"}).String() { t.Errorf("url doesn't contain query parameters: %#v", req.URL) return false } return true }, }, { name: "test with", Resp: &http.Response{ StatusCode: http.StatusOK, Header: header(), Body: objBody(&corev1.PodList{ Items: []corev1.Pod{{ ObjectMeta: metav1.ObjectMeta{Name: "foo"}, }, }, }), }, Req: func(req *http.Request) bool { if req.Method != "GET" { t.Errorf("unexpected method: %#v", req) return false } if req.URL.Path != "/namespaces/bar" { t.Errorf("url doesn't contain name: %#v", req.URL) return false } if req.URL.Query().Get(metav1.LabelSelectorQueryParam(corev1GV.String())) != labels.SelectorFromSet(labels.Set{"foo": "baz"}).String() { t.Errorf("url doesn't contain query parameters: %#v", req.URL) return false } return true }, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { client := &fake.RESTClient{ GroupVersion: corev1GV, NegotiatedSerializer: scheme.Codecs.WithoutConversion(), Resp: tt.Resp, Err: tt.HttpErr, } modifier := &Helper{ RESTClient: client, NamespaceScoped: true, } obj, err := modifier.List("bar", corev1GV.String(), &metav1.ListOptions{LabelSelector: "foo=baz"}) if (err != nil) != tt.Err { t.Errorf("unexpected error: %t %v", tt.Err, err) } if err != nil { return } if obj.(*corev1.PodList).Items[0].Name != "foo" { t.Errorf("unexpected object: %#v", obj) } if tt.Req != nil && !tt.Req(client.Req) { t.Errorf("unexpected request: %#v", client.Req) } }) } } func TestHelperListSelectorCombination(t *testing.T) { tests := []struct { Name string Err bool ErrMsg string FieldSelector string LabelSelector string }{ { Name: "No selector", Err: false, }, { Name: "Only Label Selector", Err: false, LabelSelector: "foo=baz", }, { Name: "Only Field Selector", Err: false, FieldSelector: "xyz=zyx", }, { Name: "Both Label and Field Selector", Err: false, LabelSelector: "foo=baz", FieldSelector: "xyz=zyx", }, } resp := &http.Response{ StatusCode: http.StatusOK, Header: header(), Body: objBody(&corev1.PodList{ Items: []corev1.Pod{{ ObjectMeta: metav1.ObjectMeta{Name: "foo"}, }, }, }), } client := &fake.RESTClient{ NegotiatedSerializer: scheme.Codecs, Resp: resp, Err: nil, } modifier := &Helper{ RESTClient: client, NamespaceScoped: true, } for _, tt := range tests { t.Run(tt.Name, func(t *testing.T) { _, err := modifier.List("bar", corev1GV.String(), &metav1.ListOptions{LabelSelector: tt.LabelSelector, FieldSelector: tt.FieldSelector}) if tt.Err { if err == nil { t.Errorf("%q expected error: %q", tt.Name, tt.ErrMsg) } if err != nil && err.Error() != tt.ErrMsg { t.Errorf("%q expected error: %q", tt.Name, tt.ErrMsg) } } }) } } func TestHelperReplace(t *testing.T) { expectPut := func(path string, req *http.Request) bool { if req.Method != "PUT" { t.Errorf("unexpected method: %#v", req) return false } if req.URL.Path != path { t.Errorf("unexpected url: %v", req.URL) return false } return true } tests := []struct { Name string Resp *http.Response HTTPClient *http.Client HttpErr error Overwrite bool Object runtime.Object Namespace string NamespaceScoped bool Subresource string ExpectPath string ExpectObject runtime.Object Err bool Req func(string, *http.Request) bool }{ { Name: "test1", Namespace: "bar", NamespaceScoped: true, HttpErr: errors.New("failure"), Err: true, }, { Name: "test2", Namespace: "bar", NamespaceScoped: true, Object: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}, Resp: &http.Response{ StatusCode: http.StatusNotFound, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusFailure}), }, Err: true, }, { Name: "test3", Namespace: "bar", NamespaceScoped: true, Object: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}, ExpectPath: "/namespaces/bar/foo", ExpectObject: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}, Resp: &http.Response{ StatusCode: http.StatusOK, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusSuccess}), }, Req: expectPut, }, // namespace scoped resource { Name: "test4", Namespace: "bar", NamespaceScoped: true, Object: &corev1.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "foo"}, Spec: V1DeepEqualSafePodSpec(), }, ExpectPath: "/namespaces/bar/foo", ExpectObject: &corev1.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}, Spec: V1DeepEqualSafePodSpec(), }, Overwrite: true, HTTPClient: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) { if req.Method == "PUT" { return &http.Response{StatusCode: http.StatusOK, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusSuccess})}, nil } return &http.Response{StatusCode: http.StatusOK, Header: header(), Body: objBody(&corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}})}, nil }), Req: expectPut, }, // cluster scoped resource { Name: "test5", Object: &corev1.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo"}, }, ExpectObject: &corev1.Node{ ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}, }, Overwrite: true, ExpectPath: "/foo", HTTPClient: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) { if req.Method == "PUT" { return &http.Response{StatusCode: http.StatusOK, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusSuccess})}, nil } return &http.Response{StatusCode: http.StatusOK, Header: header(), Body: objBody(&corev1.Node{ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}})}, nil }), Req: expectPut, }, { Name: "test6", Namespace: "bar", NamespaceScoped: true, Object: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}}, ExpectPath: "/namespaces/bar/foo", ExpectObject: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}}, Resp: &http.Response{StatusCode: http.StatusOK, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusSuccess})}, Req: expectPut, }, { Name: "test7 - with status subresource", Namespace: "bar", NamespaceScoped: true, Subresource: "status", Object: &corev1.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "foo"}, Status: V1DeepEqualSafePodStatus(), }, ExpectPath: "/namespaces/bar/foo/status", ExpectObject: &corev1.Pod{ ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}, Status: V1DeepEqualSafePodStatus(), }, Overwrite: true, HTTPClient: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) { if req.Method == "PUT" { return &http.Response{StatusCode: http.StatusOK, Header: header(), Body: objBody(&metav1.Status{Status: metav1.StatusSuccess})}, nil } return &http.Response{StatusCode: http.StatusOK, Header: header(), Body: objBody(&corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10"}})}, nil }), Req: expectPut, }, } for _, tt := range tests { t.Run(tt.Name, func(t *testing.T) { client := &fake.RESTClient{ GroupVersion: corev1GV, NegotiatedSerializer: scheme.Codecs.WithoutConversion(), Client: tt.HTTPClient, Resp: tt.Resp, Err: tt.HttpErr, } modifier := &Helper{ RESTClient: client, NamespaceScoped: tt.NamespaceScoped, Subresource: tt.Subresource, } _, err := modifier.Replace(tt.Namespace, "foo", tt.Overwrite, tt.Object) if (err != nil) != tt.Err { t.Fatalf("unexpected error: %t %v", tt.Err, err) } if err != nil { return } if tt.Req != nil && (client.Req == nil || !tt.Req(tt.ExpectPath, client.Req)) { t.Fatalf("unexpected request: %#v", client.Req) } body, err := io.ReadAll(client.Req.Body) if err != nil { t.Fatalf("unexpected error: %#v", err) } expect := []byte{} if tt.ExpectObject != nil { expect = []byte(runtime.EncodeOrDie(corev1Codec, tt.ExpectObject)) } if !reflect.DeepEqual(expect, body) { t.Fatalf("unexpected body: %s", string(body)) } }) } } func TestEnhanceListError(t *testing.T) { podGVR := corev1.SchemeGroupVersion.WithResource(corev1.ResourcePods.String()) podSubject := podGVR.String() tests := []struct { name string err error opts metav1.ListOptions subj string expectedErr string expectStatusErr bool }{ { name: "leaves resource expired error as is", err: apierrors.NewResourceExpired("resourceversion too old"), opts: metav1.ListOptions{}, subj: podSubject, expectedErr: "resourceversion too old", expectStatusErr: true, }, { name: "leaves unrecognized error as is", err: errors.New("something went wrong"), opts: metav1.ListOptions{}, subj: podSubject, expectedErr: "something went wrong", expectStatusErr: false, }, { name: "bad request StatusError without selectors", err: apierrors.NewBadRequest("request is invalid"), opts: metav1.ListOptions{}, subj: podSubject, expectedErr: "Unable to list \"/v1, Resource=pods\": request is invalid", expectStatusErr: true, }, { name: "bad request StatusError with selectors", err: apierrors.NewBadRequest("request is invalid"), opts: metav1.ListOptions{ LabelSelector: "a=b", FieldSelector: ".spec.nodeName=foo", }, subj: podSubject, expectedErr: "Unable to find \"/v1, Resource=pods\" that match label selector \"a=b\", field selector \".spec.nodeName=foo\": request is invalid", expectStatusErr: true, }, { name: "not found without selectors", err: apierrors.NewNotFound(podGVR.GroupResource(), "foo"), opts: metav1.ListOptions{}, subj: podSubject, expectedErr: "Unable to list \"/v1, Resource=pods\": pods \"foo\" not found", expectStatusErr: true, }, { name: "not found StatusError with selectors", err: apierrors.NewNotFound(podGVR.GroupResource(), "foo"), opts: metav1.ListOptions{ LabelSelector: "a=b", FieldSelector: ".spec.nodeName=foo", }, subj: podSubject, expectedErr: "Unable to find \"/v1, Resource=pods\" that match label selector \"a=b\", field selector \".spec.nodeName=foo\": pods \"foo\" not found", expectStatusErr: true, }, { name: "non StatusError without selectors", err: fmt.Errorf("extra info: %w", apierrors.NewNotFound(podGVR.GroupResource(), "foo")), opts: metav1.ListOptions{}, subj: podSubject, expectedErr: "Unable to list \"/v1, Resource=pods\": extra info: pods \"foo\" not found", expectStatusErr: false, }, { name: "non StatusError with selectors", err: fmt.Errorf("extra info: %w", apierrors.NewNotFound(podGVR.GroupResource(), "foo")), opts: metav1.ListOptions{ LabelSelector: "a=b", FieldSelector: ".spec.nodeName=foo", }, subj: podSubject, expectedErr: "Unable to find \"/v1, " + "Resource=pods\" that match label selector \"a=b\", " + "field selector \".spec.nodeName=foo\": extra info: pods \"foo\" not found", expectStatusErr: false, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { err := EnhanceListError(tt.err, tt.opts, tt.subj) if err == nil { t.Errorf("EnhanceListError did not return an error") } if err.Error() != tt.expectedErr { t.Errorf("EnhanceListError() error = %q, expectedErr %q", err, tt.expectedErr) } if tt.expectStatusErr { if _, ok := err.(*apierrors.StatusError); !ok { t.Errorf("EnhanceListError incorrectly returned a non-StatusError: %v", err) } } }) } } func TestFollowContinue(t *testing.T) { var continueTokens []string tests := []struct { name string initialOpts *metav1.ListOptions tokensSeen []string listFunc func(metav1.ListOptions) (runtime.Object, error) expectedTokens []string wantErr string }{ { name: "updates list options with continue token until list finished", initialOpts: &metav1.ListOptions{}, listFunc: func(options metav1.ListOptions) (runtime.Object, error) { continueTokens = append(continueTokens, options.Continue) obj := corev1.PodList{} switch options.Continue { case "": metadataAccessor.SetContinue(&obj, "abc") case "abc": metadataAccessor.SetContinue(&obj, "def") case "def": metadataAccessor.SetKind(&obj, "ListComplete") } return &obj, nil }, expectedTokens: []string{"", "abc", "def"}, }, { name: "stops looping if listFunc returns an error", initialOpts: &metav1.ListOptions{}, listFunc: func(options metav1.ListOptions) (runtime.Object, error) { continueTokens = append(continueTokens, options.Continue) obj := corev1.PodList{} switch options.Continue { case "": metadataAccessor.SetContinue(&obj, "abc") case "abc": return nil, fmt.Errorf("err from list func") case "def": metadataAccessor.SetKind(&obj, "ListComplete") } return &obj, nil }, expectedTokens: []string{"", "abc"}, wantErr: "err from list func", }, } for _, tt := range tests { continueTokens = []string{} t.Run(tt.name, func(t *testing.T) { err := FollowContinue(tt.initialOpts, tt.listFunc) if tt.wantErr != "" { if err == nil { t.Fatalf("FollowContinue was expected to return an error and did not") } else if err.Error() != tt.wantErr { t.Fatalf("wanted error %q, got %q", tt.wantErr, err.Error()) } } else { if err != nil { t.Errorf("FollowContinue failed: %v", tt.wantErr) } if !reflect.DeepEqual(continueTokens, tt.expectedTokens) { t.Errorf("got token list %q, wanted %q", continueTokens, tt.expectedTokens) } } }) } }