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|
package main
import (
"io/ioutil"
"os"
"path/filepath"
"reflect"
"testing"
"text/template"
"github.com/google/go-cmp/cmp"
)
func Test_outFile(t *testing.T) {
tests := []struct {
tname string
outdir string
template string
nameRe string
namespaceRe string
fileRe string
kind string
name string
namespace string
fileExp string
}{
{
tname: "tpl_flat",
outdir: "gen",
template: TemplateFlat,
nameRe: NameRe,
namespaceRe: NamespaceRe,
fileRe: FileRe,
kind: "Pod",
namespace: "foo",
name: "bar",
fileExp: filepath.Join("gen", "bar-pod.yaml"),
},
{
tname: "tpl_ns",
outdir: "gen",
template: TemplateNS,
nameRe: NameRe,
namespaceRe: NamespaceRe,
fileRe: FileRe,
kind: "Pod",
namespace: "foo",
name: "bar",
fileExp: filepath.Join("gen", "foo", "bar.Pod.yaml"),
},
{
tname: "ns/name.kind-otherRe",
outdir: "gen",
template: TemplateNS,
nameRe: NameRe,
namespaceRe: NamespaceRe,
fileRe: "foo.*bar",
kind: "Pod",
namespace: "foo",
name: "bar",
fileExp: filepath.Join("gen", "foo", "bar.Pod.yaml"),
},
{
tname: "no-ns/name.kind-otherRe",
outdir: "gen",
template: TemplateNS,
nameRe: NameRe,
namespaceRe: NamespaceRe,
fileRe: FileRe,
kind: "ClusterRole",
namespace: "",
name: "bar",
fileExp: filepath.Join("gen", "_no_ns_", "bar.ClusterRole.yaml"),
},
{
tname: "nonmatching-ns",
outdir: "gen",
template: TemplateNS,
nameRe: NameRe,
namespaceRe: "qqq",
fileRe: FileRe,
kind: "Pod",
namespace: "foo",
name: "bar",
fileExp: "",
},
{
tname: "no-filename-match",
outdir: "gen",
template: TemplateNS,
nameRe: NameRe,
namespaceRe: NamespaceRe,
fileRe: "foo.*BAR",
kind: "Pod",
namespace: "foo",
name: "bar",
fileExp: "",
},
{
tname: "no-name-match",
outdir: "gen",
template: TemplateNS,
nameRe: "qqq",
namespaceRe: NamespaceRe,
fileRe: FileRe,
kind: "Pod",
namespace: "foo",
name: "bar",
fileExp: "",
},
}
for _, tt := range tests {
t.Run(tt.tname, func(t *testing.T) {
m := &KubernetesAPI{
Kind: tt.kind,
}
tpl, err := template.New("test").Parse(tt.template)
if err != nil {
t.Errorf("template: %s", tt.template)
}
m.Metadata.Name = tt.name
m.Metadata.Namespace = tt.namespace
filters := &Filters{
name: tt.nameRe,
namespace: tt.namespaceRe,
filename: tt.fileRe,
}
got, err := outFile(tt.outdir, tpl, filters, m)
if got != tt.fileExp {
t.Errorf("outFile() got = '%v', want '%v'", got, tt.fileExp)
}
})
}
}
func Test_handleFile(t *testing.T) {
// determine input files
match, err := filepath.Glob("testdata/*.yaml")
if err != nil {
t.Fatal(err)
}
for _, in := range match {
out := in + ".golden"
runTest(t, in, out)
}
}
func runTest(t *testing.T, in, out string) {
t.Run(in, func(t *testing.T) {
f := filepath.Base(in)
outDir, err := ioutil.TempDir(os.TempDir(), f+"-")
if err != nil {
log.Fatal(err)
}
defer os.RemoveAll(outDir)
handleFile(in, outDir, TemplateFlat, &Filters{})
wantFiles, err := filepath.Glob(filepath.Join(out, "*"))
if err != nil {
t.Errorf("could not find test files: %v", err)
}
gotFiles, err := filepath.Glob(filepath.Join(outDir, "*"))
if err != nil {
t.Errorf("could not find result files: %v", err)
}
if len(gotFiles) != len(wantFiles) {
t.Errorf("handleFile() = %v, want %v", len(gotFiles), len(wantFiles))
}
t.Logf("wantFiles: %s", wantFiles)
for _, wantFile := range wantFiles {
fileName := filepath.Base(wantFile)
want, _ := ioutil.ReadFile(wantFile)
generatedFileName := filepath.Join(outDir, filepath.Base(wantFile))
t.Logf("Validating content of file: \n - Generated: %s\n - GoldenTest: %s", generatedFileName, wantFile)
got, _ := ioutil.ReadFile(generatedFileName)
if !reflect.DeepEqual(got, want) {
t.Errorf(fileName + "\n" + cmp.Diff(string(got), string(want)))
}
}
})
}
|
