/
build_kustomization_test.go
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/
build_kustomization_test.go
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//go:build unit
// +build unit
/*
Copyright 2021 The Flux 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 main
import (
"bytes"
"os"
"testing"
"text/template"
)
func setup(t *testing.T, tmpl map[string]string) {
t.Helper()
testEnv.CreateObjectFile("./testdata/build-kustomization/podinfo-source.yaml", tmpl, t)
testEnv.CreateObjectFile("./testdata/build-kustomization/podinfo-kustomization.yaml", tmpl, t)
}
func TestBuildKustomization(t *testing.T) {
tests := []struct {
name string
args string
resultFile string
assertFunc string
}{
{
name: "no args",
args: "build kustomization podinfo",
resultFile: "invalid resource path \"\"",
assertFunc: "assertError",
},
{
name: "build podinfo",
args: "build kustomization podinfo --path ./testdata/build-kustomization/podinfo",
resultFile: "./testdata/build-kustomization/podinfo-result.yaml",
assertFunc: "assertGoldenTemplateFile",
},
{
name: "build podinfo without service",
args: "build kustomization podinfo --path ./testdata/build-kustomization/delete-service",
resultFile: "./testdata/build-kustomization/podinfo-without-service-result.yaml",
assertFunc: "assertGoldenTemplateFile",
},
{
name: "build deployment and configmap with var substitution",
args: "build kustomization podinfo --path ./testdata/build-kustomization/var-substitution",
resultFile: "./testdata/build-kustomization/podinfo-with-var-substitution-result.yaml",
assertFunc: "assertGoldenTemplateFile",
},
}
tmpl := map[string]string{
"fluxns": allocateNamespace("flux-system"),
}
setup(t, tmpl)
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var assert assertFunc
switch tt.assertFunc {
case "assertGoldenTemplateFile":
assert = assertGoldenTemplateFile(tt.resultFile, tmpl)
case "assertError":
assert = assertError(tt.resultFile)
}
cmd := cmdTestCase{
args: tt.args + " -n " + tmpl["fluxns"],
assert: assert,
}
cmd.runTestCmd(t)
})
}
}
func TestBuildLocalKustomization(t *testing.T) {
podinfo := `apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
kind: Kustomization
metadata:
name: podinfo
namespace: {{ .fluxns }}
spec:
interval: 5m0s
path: ./kustomize
force: true
prune: true
sourceRef:
kind: GitRepository
name: podinfo
targetNamespace: default
postBuild:
substitute:
cluster_env: "prod"
cluster_region: "eu-central-1"
`
tests := []struct {
name string
args string
resultFile string
assertFunc string
}{
{
name: "no args",
args: "build kustomization podinfo --kustomization-file ./wrongfile/ --path ./testdata/build-kustomization/podinfo",
resultFile: "invalid kustomization file \"./wrongfile/\"",
assertFunc: "assertError",
},
{
name: "build podinfo",
args: "build kustomization podinfo --kustomization-file ./testdata/build-kustomization/podinfo.yaml --path ./testdata/build-kustomization/podinfo",
resultFile: "./testdata/build-kustomization/podinfo-result.yaml",
assertFunc: "assertGoldenTemplateFile",
},
{
name: "build podinfo without service",
args: "build kustomization podinfo --kustomization-file ./testdata/build-kustomization/podinfo.yaml --path ./testdata/build-kustomization/delete-service",
resultFile: "./testdata/build-kustomization/podinfo-without-service-result.yaml",
assertFunc: "assertGoldenTemplateFile",
},
{
name: "build deployment and configmap with var substitution",
args: "build kustomization podinfo --kustomization-file ./testdata/build-kustomization/podinfo.yaml --path ./testdata/build-kustomization/var-substitution",
resultFile: "./testdata/build-kustomization/podinfo-with-var-substitution-result.yaml",
assertFunc: "assertGoldenTemplateFile",
},
{
name: "build deployment and configmap with var substitution in dry-run mode",
args: "build kustomization podinfo --kustomization-file ./testdata/build-kustomization/podinfo.yaml --path ./testdata/build-kustomization/var-substitution --dry-run",
resultFile: "./testdata/build-kustomization/podinfo-with-var-substitution-result.yaml",
assertFunc: "assertGoldenTemplateFile",
},
}
tmpl := map[string]string{
"fluxns": allocateNamespace("flux-system"),
}
testEnv.CreateObjectFile("./testdata/build-kustomization/podinfo-source.yaml", tmpl, t)
temp, err := template.New("podinfo").Parse(podinfo)
if err != nil {
t.Fatal(err)
}
var b bytes.Buffer
err = temp.Execute(&b, tmpl)
if err != nil {
t.Fatal(err)
}
err = os.WriteFile("./testdata/build-kustomization/podinfo.yaml", b.Bytes(), 0666)
if err != nil {
t.Fatal(err)
}
defer os.Remove("./testdata/build-kustomization/podinfo.yaml")
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var assert assertFunc
switch tt.assertFunc {
case "assertGoldenTemplateFile":
assert = assertGoldenTemplateFile(tt.resultFile, tmpl)
case "assertError":
assert = assertError(tt.resultFile)
}
cmd := cmdTestCase{
args: tt.args + " -n " + tmpl["fluxns"],
assert: assert,
}
cmd.runTestCmd(t)
})
}
}