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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pipeline
import (
"bufio"
"bytes"
"encoding/json"
"flag"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"strings"
"testing"
"golang.org/x/text/language"
)
var genFiles = flag.Bool("gen", false, "generate output files instead of comparing")
// setHelper is testing.T.Helper on Go 1.9+, overridden by go19_test.go.
var setHelper = func(t *testing.T) {}
func TestFullCycle(t *testing.T) {
const path = "./testdata"
dirs, err := ioutil.ReadDir(path)
if err != nil {
t.Fatal(err)
}
for _, f := range dirs {
t.Run(f.Name(), func(t *testing.T) {
chk := func(t *testing.T, err error) {
setHelper(t)
if err != nil {
t.Fatal(err)
}
}
dir := filepath.Join(path, f.Name())
pkgPath := fmt.Sprintf("%s/%s", path, f.Name())
config := Config{
SourceLanguage: language.AmericanEnglish,
Packages: []string{pkgPath},
Dir: filepath.Join(dir, "locales"),
GenFile: "catalog_gen.go",
GenPackage: pkgPath,
}
// TODO: load config if available.
s, err := Extract(&config)
chk(t, err)
chk(t, s.Import())
chk(t, s.Merge())
// TODO:
// for range s.Config.Actions {
// // TODO: do the actions.
// }
chk(t, s.Export())
chk(t, s.Generate())
writeJSON(t, filepath.Join(dir, "extracted.gotext.json"), s.Extracted)
checkOutput(t, dir)
})
}
}
func checkOutput(t *testing.T, p string) {
filepath.Walk(p, func(p string, f os.FileInfo, err error) error {
if f.IsDir() {
return nil
}
if filepath.Ext(p) != ".want" {
return nil
}
gotFile := p[:len(p)-len(".want")]
got, err := ioutil.ReadFile(gotFile)
if err != nil {
t.Errorf("failed to read %q", p)
return nil
}
if *genFiles {
if err := ioutil.WriteFile(p, got, 0644); err != nil {
t.Fatal(err)
}
}
want, err := ioutil.ReadFile(p)
if err != nil {
t.Errorf("failed to read %q", p)
} else {
scanGot := bufio.NewScanner(bytes.NewReader(got))
scanWant := bufio.NewScanner(bytes.NewReader(want))
line := 0
clean := func(s string) string {
if i := strings.LastIndex(s, "//"); i != -1 {
s = s[:i]
}
return path.Clean(filepath.ToSlash(s))
}
for scanGot.Scan() && scanWant.Scan() {
got := clean(scanGot.Text())
want := clean(scanWant.Text())
if got != want {
t.Errorf("file %q differs from .want file at line %d:\n\t%s\n\t%s", gotFile, line, got, want)
break
}
line++
}
if scanGot.Scan() || scanWant.Scan() {
t.Errorf("file %q differs from .want file at line %d.", gotFile, line)
}
}
return nil
})
}
func writeJSON(t *testing.T, path string, x interface{}) {
data, err := json.MarshalIndent(x, "", " ")
if err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(path, data, 0644); err != nil {
t.Fatal(err)
}
}
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