tmpl/registry/registry_test.go

154 lines
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package registry
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"testing"
)
var (
tmplDir string
regDir string
destDir string
reg *Registry
tmplContents = `{{title name}} {{.year}}`
tmplTemplate = `name = "john olheiser"
year = 2020`
tmplGold = "John Olheiser 2020"
)
func TestMain(m *testing.M) {
var err error
destDir, err = ioutil.TempDir(os.TempDir(), "tmpl")
if err != nil {
panic(err)
}
// Set up template
setupTemplate()
// Set up registry
setupRegistry()
status := m.Run()
if err = os.RemoveAll(destDir); err != nil {
fmt.Printf("could not clean up temp directory %s\n", destDir)
}
if err = os.RemoveAll(tmplDir); err != nil {
fmt.Printf("could not clean up temp directory %s\n", tmplDir)
}
if err = os.RemoveAll(regDir); err != nil {
fmt.Printf("could not clean up temp directory %s\n", regDir)
}
os.Exit(status)
}
func TestTemplate(t *testing.T) {
t.Run("save", testSave)
t.Run("get", testGet)
t.Run("get-fail", testGetFail)
t.Run("execute", testExecute)
}
func testSave(t *testing.T) {
if _, err := reg.SaveTemplate("test", tmplDir); err != nil {
t.Log("could not save template")
t.FailNow()
}
}
func testGet(t *testing.T) {
_, err := reg.GetTemplate("test")
if err != nil {
t.Logf("could not get template")
t.FailNow()
}
}
func testGetFail(t *testing.T) {
_, err := reg.GetTemplate("fail")
if !IsErrTemplateNotFound(err) {
t.Logf("template should not exist")
t.FailNow()
}
}
func testExecute(t *testing.T) {
tmpl, err := reg.GetTemplate("test")
if err != nil {
t.Logf("could not get template")
t.FailNow()
}
if err := tmpl.Execute(destDir, true); err != nil {
t.Logf("could not execute template: %v\n", err)
t.FailNow()
}
contents, err := ioutil.ReadFile(filepath.Join(destDir, "TEST"))
if err != nil {
t.Logf("could not read file: %v\n", err)
t.FailNow()
}
if string(contents) != tmplGold {
t.Logf("contents did not match:\n\tExpected: %s\n\tGot: %s", tmplGold, string(contents))
t.FailNow()
}
}
func setupTemplate() {
var err error
tmplDir, err = ioutil.TempDir(os.TempDir(), "tmpl")
if err != nil {
panic(err)
}
// Template config
fi, err := os.Create(filepath.Join(tmplDir, "template.toml"))
if err != nil {
panic(err)
}
_, err = fi.WriteString(tmplTemplate)
if err != nil {
panic(err)
}
if err := fi.Close(); err != nil {
panic(err)
}
// Template file
if err := os.Mkdir(filepath.Join(tmplDir, "template"), os.ModePerm); err != nil {
panic(err)
}
fi, err = os.Create(filepath.Join(tmplDir, "template", "TEST"))
if err != nil {
panic(err)
}
_, err = fi.WriteString(tmplContents)
if err != nil {
panic(err)
}
if err := fi.Close(); err != nil {
panic(err)
}
}
func setupRegistry() {
var err error
regDir, err = ioutil.TempDir(os.TempDir(), "tmpl")
if err != nil {
panic(err)
}
reg, err = Open(regDir)
if err != nil {
panic(err)
}
}