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f95d531b0a
Promoting real tests turned out to be harder than expected (should be rewritten to be self-contained, additional reviews, etc.). They would not achieve 100% endpoint+operation coverage because real tests only use some of the operations. Therefore each API type has to be covered with CRUD-style tests which only exercise the apiserver, then maybe additional functional tests can be added later (depending on time and motivation). The machinery for testing different API types is meant to be reusable, so it gets added in the new e2e/framework/conformance helper package.
114 lines
3.3 KiB
Go
114 lines
3.3 KiB
Go
/*
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Copyright 2025 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package architecture
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import (
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"fmt"
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"strings"
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"github.com/onsi/gomega/format"
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gtypes "github.com/onsi/gomega/types"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/klog/v2"
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)
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// matchObjectList is a custom matcher for the result of a generic lister List result
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// ([]runtime.Object where each entry is *unstructured.Unstructed). The list is
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// expected to have exactly one element or none.
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type matchObjectList struct {
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expectedObject *unstructured.Unstructured
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verifyContent bool
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lastDiff string
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}
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var _ gtypes.GomegaMatcher = &matchObjectList{}
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func (m *matchObjectList) Match(actual any) (bool, error) {
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// Reset state.
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m.lastDiff = ""
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actualObjects, ok := actual.([]runtime.Object)
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if !ok {
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return false, fmt.Errorf("must be passed a []runtime.Object, got %T", actual)
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}
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if m.expectedObject == nil {
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// Must be empty,
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return len(actualObjects) == 0, nil
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}
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// Must have exactly the expected object.
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if len(actualObjects) != 1 {
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return false, nil
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}
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actualObject, ok := actualObjects[0].(*unstructured.Unstructured)
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if !ok {
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// Shouldn't happen.
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return false, fmt.Errorf("expected *unstructured.Unstructured, got %T", actualObjects[0])
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}
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if m.verifyContent {
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// Remember diff for failure message.
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m.lastDiff = compareObjects(m.expectedObject, actualObject)
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if m.lastDiff != "" {
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return false, nil
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}
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return true, nil
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}
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return m.expectedObject.GetName() == actualObject.GetName() && m.expectedObject.GetNamespace() == actualObject.GetNamespace(), nil
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}
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func (m *matchObjectList) FailureMessage(actual any) string {
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return m.message(actual, "to")
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}
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func (m *matchObjectList) NegatedFailureMessage(actual any) string {
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return m.message(actual, "not to")
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}
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func (m *matchObjectList) message(actual any, to string) string {
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// Gomega renders []runtime.Object as nested maps.
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// YAML is more readable.
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var buffer strings.Builder
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buffer.WriteString("Expected\n")
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if actualObjects, ok := actual.([]runtime.Object); ok {
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buffer.WriteString(fmt.Sprintf(" %T len:%d:\n", actualObjects, len(actualObjects)))
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for _, object := range actualObjects {
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buffer.WriteString(" ---\n")
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if o, ok := object.(*unstructured.Unstructured); ok {
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buffer.WriteString(format.Object(o, 2))
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} else {
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buffer.WriteString(format.Object(object, 2))
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}
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}
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} else {
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buffer.WriteString(format.Object(actual, 1))
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}
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buffer.WriteString(fmt.Sprintf("\n%s contain exactly the following element:\n", to))
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if m.verifyContent {
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buffer.WriteString(format.Object(m.expectedObject, 1))
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} else {
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buffer.WriteString(" " + klog.KObj(m.expectedObject).String())
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}
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if m.lastDiff != "" {
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buffer.WriteString("\nDiff of checked fields (- expected, + actual):\n")
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buffer.WriteString(m.lastDiff)
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}
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return buffer.String()
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}
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