hugo/hugofs/language_composite_fs_test.go

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2018-03-21 16:21:46 +00:00
// Copyright 2018 The Hugo Authors. All rights reserved.
//
// 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 hugofs
import (
"path/filepath"
"strings"
"testing"
"github.com/spf13/afero"
"github.com/stretchr/testify/require"
)
func TestCompositeLanguagFsTest(t *testing.T) {
assert := require.New(t)
languages := map[string]bool{
"sv": true,
"en": true,
"nn": true,
}
msv := afero.NewMemMapFs()
baseSv := "/content/sv"
lfssv := NewLanguageFs("sv", languages, afero.NewBasePathFs(msv, baseSv))
mnn := afero.NewMemMapFs()
baseNn := "/content/nn"
lfsnn := NewLanguageFs("nn", languages, afero.NewBasePathFs(mnn, baseNn))
men := afero.NewMemMapFs()
baseEn := "/content/en"
lfsen := NewLanguageFs("en", languages, afero.NewBasePathFs(men, baseEn))
// The order will be sv, en, nn
composite := NewLanguageCompositeFs(lfsnn, lfsen)
composite = NewLanguageCompositeFs(composite, lfssv)
afero.WriteFile(msv, filepath.Join(baseSv, "f1.txt"), []byte("some sv"), 0755)
afero.WriteFile(mnn, filepath.Join(baseNn, "f1.txt"), []byte("some nn"), 0755)
afero.WriteFile(men, filepath.Join(baseEn, "f1.txt"), []byte("some en"), 0755)
// Swedish is the top layer.
assertLangFile(t, composite, "f1.txt", "sv")
afero.WriteFile(msv, filepath.Join(baseSv, "f2.en.txt"), []byte("some sv"), 0755)
afero.WriteFile(mnn, filepath.Join(baseNn, "f2.en.txt"), []byte("some nn"), 0755)
afero.WriteFile(men, filepath.Join(baseEn, "f2.en.txt"), []byte("some en"), 0755)
// English is in the middle, but the most specific language match wins.
//assertLangFile(t, composite, "f2.en.txt", "en")
// Fetch some specific language versions
assertLangFile(t, composite, filepath.Join(baseNn, "f2.en.txt"), "nn")
assertLangFile(t, composite, filepath.Join(baseEn, "f2.en.txt"), "en")
assertLangFile(t, composite, filepath.Join(baseSv, "f2.en.txt"), "sv")
// Read the root
f, err := composite.Open("/")
assert.NoError(err)
defer f.Close()
files, err := f.Readdir(-1)
assert.Equal(4, len(files))
expected := map[string]bool{
filepath.FromSlash("/content/en/f1.txt"): true,
filepath.FromSlash("/content/nn/f1.txt"): true,
filepath.FromSlash("/content/sv/f1.txt"): true,
filepath.FromSlash("/content/en/f2.en.txt"): true,
}
got := make(map[string]bool)
for _, fi := range files {
fil, ok := fi.(*LanguageFileInfo)
assert.True(ok)
got[fil.Filename()] = true
}
assert.Equal(expected, got)
}
func assertLangFile(t testing.TB, fs afero.Fs, filename, match string) {
f, err := fs.Open(filename)
if err != nil {
t.Fatal(err)
}
defer f.Close()
b, err := afero.ReadAll(f)
if err != nil {
t.Fatal(err)
}
s := string(b)
if !strings.Contains(s, match) {
t.Fatalf("got %q expected it to contain %q", s, match)
}
}