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Merge pull request #107515 from MikeSpreitzer/explain-reset-fields-failure

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Make TestApplyResetFields exhibit surprising object
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Kubernetes Prow Robot 2022-09-07 07:14:37 -07:00 committed by GitHub
commit a488f4b95c
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1 changed files with 38 additions and 6 deletions
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44
test/integration/apiserver/apply/reset_fields_test.go
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@ -19,6 +19,7 @@ package apiserver
import (
"context"
"encoding/json"
"fmt"
"reflect"
"strings"
"testing"
@ -268,24 +269,28 @@ func TestApplyResetFields(t *testing.T) {
// skip checking for conflicts on resources
// that will never have conflicts
if _, ok = noConflicts[mapping.Resource.Resource]; !ok {
var objRet *unstructured.Unstructured
// reapply second object to the spec endpoint
// that should fail with a conflict
_, err = dynamicClient.
objRet, err = dynamicClient.
Resource(mapping.Resource).
Namespace(namespace).
Apply(context.TODO(), name, obj2, metav1.ApplyOptions{FieldManager: "fieldmanager2"})
if err == nil || !strings.Contains(err.Error(), "conflict") {
t.Fatalf("expected conflict, got error %v", err)
err = expectConflict(objRet, err, dynamicClient, mapping.Resource, namespace, name)
if err != nil {
t.Fatalf("Did not get expected conflict in spec of %s %s/%s: %v", mapping.Resource, namespace, name, err)
}
// reapply first object to the status endpoint
// that should fail with a conflict
_, err = dynamicClient.
objRet, err = dynamicClient.
Resource(mapping.Resource).
Namespace(namespace).
ApplyStatus(context.TODO(), name, &obj1, metav1.ApplyOptions{FieldManager: "fieldmanager1"})
if err == nil || !strings.Contains(err.Error(), "conflict") {
t.Fatalf("expected conflict, got error %v", err)
err = expectConflict(objRet, err, dynamicClient, mapping.Resource, namespace, name)
if err != nil {
t.Fatalf("Did not get expected conflict in status of %s %s/%s: %v", mapping.Resource, namespace, name, err)
}
}
@ -298,3 +303,30 @@ func TestApplyResetFields(t *testing.T) {
}
}
}
func expectConflict(objRet *unstructured.Unstructured, err error, dynamicClient dynamic.Interface, resource schema.GroupVersionResource, namespace, name string) error {
if err != nil && strings.Contains(err.Error(), "conflict") {
return nil
}
which := "returned"
// something unexpected is going on here, let's not assume that objRet==nil if any only if err!=nil
if objRet == nil {
which = "subsequently fetched"
var err2 error
objRet, err2 = dynamicClient.
Resource(resource).
Namespace(namespace).
Get(context.TODO(), name, metav1.GetOptions{})
if err2 != nil {
return fmt.Errorf("instead got error %w, and failed to Get object: %v", err, err2)
}
}
marshBytes, marshErr := json.Marshal(objRet)
var gotten string
if marshErr == nil {
gotten = string(marshBytes)
} else {
gotten = fmt.Sprintf("<failed to json.Marshall(%#+v): %v>", objRet, marshErr)
}
return fmt.Errorf("instead got error %w; %s object is %s", err, which, gotten)
}