mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-23 15:27:01 +00:00
132 lines
3.3 KiB
Go
132 lines
3.3 KiB
Go
/*
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Copyright 2018 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 target
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// A collection of utilities used in target tests.
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import (
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"fmt"
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"path/filepath"
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"strings"
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"testing"
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"sigs.k8s.io/kustomize/k8sdeps/transformer"
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"sigs.k8s.io/kustomize/pkg/constants"
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"sigs.k8s.io/kustomize/pkg/fs"
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"sigs.k8s.io/kustomize/pkg/ifc"
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"sigs.k8s.io/kustomize/pkg/internal/loadertest"
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)
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func makeKustTarget(t *testing.T, l ifc.Loader) *KustTarget {
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// Warning: the following filesystem - a fake - must be rooted at /.
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// This fs root is used as the working directory for the shell spawned by
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// the secretgenerator, and has nothing to do with the filesystem used
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// to load relative paths from the fake filesystem.
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// This trick only works for secret generator commands that don't actually
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// try to read the file system, because these tests don't write to the
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// real "/" directory. See use of exec package in the secretfactory.
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fakeFs := fs.MakeFakeFS()
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fakeFs.Mkdir("/")
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kt, err := NewKustTarget(
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l, fakeFs, rf, transformer.NewFactoryImpl())
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if err != nil {
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t.Fatalf("Unexpected construction error %v", err)
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}
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return kt
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}
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func writeF(
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t *testing.T, ldr loadertest.FakeLoader, dir string, content string) {
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err := ldr.AddFile(dir, []byte(content))
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if err != nil {
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t.Fatalf("failed write to %s; %v", dir, err)
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}
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}
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func writeK(
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t *testing.T, ldr loadertest.FakeLoader, dir string, content string) {
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writeF(t, ldr, filepath.Join(dir, constants.KustomizationFileName), `
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apiVersion: v1
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kind: Kustomization
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`+content)
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}
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func tabToSpace(input string) string {
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var result []string
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for _, i := range input {
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if i == 9 {
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result = append(result, " ")
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} else {
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result = append(result, string(i))
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}
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}
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return strings.Join(result, "")
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}
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func convertToArray(x string) ([]string, int) {
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a := strings.Split(strings.TrimSuffix(x, "\n"), "\n")
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maxLen := 0
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for i, v := range a {
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z := tabToSpace(v)
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if len(z) > maxLen {
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maxLen = len(z)
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}
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a[i] = z
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}
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return a, maxLen
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}
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func hint(a, b string) string {
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if a == b {
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return " "
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}
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return "X"
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}
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// Pretty printing of file differences.
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func assertExpectedEqualsActual(t *testing.T, actual []byte, expected string) {
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if expected == string(actual) {
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return
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}
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sE, maxLen := convertToArray(expected)
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sA, _ := convertToArray(string(actual))
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format := fmt.Sprintf("%%s %%-%ds %%s\n", maxLen+4)
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limit := 0
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if len(sE) < len(sA) {
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limit = len(sE)
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} else {
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limit = len(sA)
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}
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fmt.Printf(format, " ", "EXPECTED", "ACTUAL")
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fmt.Printf(format, " ", "--------", "------")
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for i := 0; i < limit; i++ {
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fmt.Printf(format, hint(sE[i], sA[i]), sE[i], sA[i])
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}
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if len(sE) < len(sA) {
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for i := len(sE); i < len(sA); i++ {
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fmt.Printf(format, "X", "", sA[i])
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}
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} else {
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for i := len(sA); i < len(sE); i++ {
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fmt.Printf(format, "X", sE[i], "")
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}
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}
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t.Fatalf("Expected not equal to actual")
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}
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