tmpl/registry/template_test.go

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package registry
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
)
var (
tmplContents = `{{title name}} {{.year}}`
tmplTemplate = `name = "john olheiser"
[year]
default = 2020
[package]
default = "pkg"`
tmplGold = "John Olheiser 2020"
tmplNewGold = "DO NOT OVERWRITE!"
)
func testExecute(t *testing.T) {
// Get template
tmpl, err := reg.GetTemplate("test")
if err != nil {
t.Logf("could not get template")
t.FailNow()
}
// Execute template
if err := tmpl.Execute(destDir, true, true); err != nil {
t.Logf("could not execute template: %v\n", err)
t.FailNow()
}
// Check contents of file
testPath := filepath.Join(destDir, "TEST")
contents, err := ioutil.ReadFile(testPath)
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()
}
// Check if directory was created
pkgPath := filepath.Join(destDir, "PKG")
if _, err := os.Lstat(pkgPath); err != nil {
t.Logf("expected a directory at %s: %v\n", pkgPath, err)
t.FailNow()
}
// Change file to test non-overwrite
if err := ioutil.WriteFile(testPath, []byte(tmplNewGold), os.ModePerm); err != nil {
t.Logf("could not write file: %v\n", err)
t.FailNow()
}
if err := tmpl.Execute(destDir, true, false); err != nil {
t.Logf("could not execute template: %v\n", err)
t.FailNow()
}
contents, err = ioutil.ReadFile(testPath)
if err != nil {
t.Logf("could not read file: %v\n", err)
t.FailNow()
}
if string(contents) != tmplNewGold {
t.Logf("contents did not match:\n\tExpected: %s\n\tGot: %s", tmplNewGold, string(contents))
t.FailNow()
}
}