github.com/SDLMoe/hugo@v0.47.1/hugofs/language_composite_fs_test.go (about)

     1  // Copyright 2018 The Hugo Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package hugofs
    15  
    16  import (
    17  	"path/filepath"
    18  
    19  	"strings"
    20  
    21  	"testing"
    22  
    23  	"github.com/spf13/afero"
    24  	"github.com/stretchr/testify/require"
    25  )
    26  
    27  func TestCompositeLanguagFsTest(t *testing.T) {
    28  	assert := require.New(t)
    29  
    30  	languages := map[string]bool{
    31  		"sv": true,
    32  		"en": true,
    33  		"nn": true,
    34  	}
    35  	msv := afero.NewMemMapFs()
    36  	baseSv := "/content/sv"
    37  	lfssv := NewLanguageFs("sv", languages, afero.NewBasePathFs(msv, baseSv))
    38  	mnn := afero.NewMemMapFs()
    39  	baseNn := "/content/nn"
    40  	lfsnn := NewLanguageFs("nn", languages, afero.NewBasePathFs(mnn, baseNn))
    41  	men := afero.NewMemMapFs()
    42  	baseEn := "/content/en"
    43  	lfsen := NewLanguageFs("en", languages, afero.NewBasePathFs(men, baseEn))
    44  
    45  	// The order will be sv, en, nn
    46  	composite := NewLanguageCompositeFs(lfsnn, lfsen)
    47  	composite = NewLanguageCompositeFs(composite, lfssv)
    48  
    49  	afero.WriteFile(msv, filepath.Join(baseSv, "f1.txt"), []byte("some sv"), 0755)
    50  	afero.WriteFile(mnn, filepath.Join(baseNn, "f1.txt"), []byte("some nn"), 0755)
    51  	afero.WriteFile(men, filepath.Join(baseEn, "f1.txt"), []byte("some en"), 0755)
    52  
    53  	// Swedish is the top layer.
    54  	assertLangFile(t, composite, "f1.txt", "sv")
    55  
    56  	afero.WriteFile(msv, filepath.Join(baseSv, "f2.en.txt"), []byte("some sv"), 0755)
    57  	afero.WriteFile(mnn, filepath.Join(baseNn, "f2.en.txt"), []byte("some nn"), 0755)
    58  	afero.WriteFile(men, filepath.Join(baseEn, "f2.en.txt"), []byte("some en"), 0755)
    59  
    60  	// English is in the middle, but the most specific language match wins.
    61  	//assertLangFile(t, composite, "f2.en.txt", "en")
    62  
    63  	// Fetch some specific language versions
    64  	assertLangFile(t, composite, filepath.Join(baseNn, "f2.en.txt"), "nn")
    65  	assertLangFile(t, composite, filepath.Join(baseEn, "f2.en.txt"), "en")
    66  	assertLangFile(t, composite, filepath.Join(baseSv, "f2.en.txt"), "sv")
    67  
    68  	// Read the root
    69  	f, err := composite.Open("/")
    70  	assert.NoError(err)
    71  	defer f.Close()
    72  	files, err := f.Readdir(-1)
    73  	assert.Equal(4, len(files))
    74  	expected := map[string]bool{
    75  		filepath.FromSlash("/content/en/f1.txt"):    true,
    76  		filepath.FromSlash("/content/nn/f1.txt"):    true,
    77  		filepath.FromSlash("/content/sv/f1.txt"):    true,
    78  		filepath.FromSlash("/content/en/f2.en.txt"): true,
    79  	}
    80  	got := make(map[string]bool)
    81  
    82  	for _, fi := range files {
    83  		fil, ok := fi.(*LanguageFileInfo)
    84  		assert.True(ok)
    85  		got[fil.Filename()] = true
    86  	}
    87  	assert.Equal(expected, got)
    88  }
    89  
    90  func assertLangFile(t testing.TB, fs afero.Fs, filename, match string) {
    91  	f, err := fs.Open(filename)
    92  	if err != nil {
    93  		t.Fatal(err)
    94  	}
    95  	defer f.Close()
    96  	b, err := afero.ReadAll(f)
    97  	if err != nil {
    98  		t.Fatal(err)
    99  	}
   100  
   101  	s := string(b)
   102  	if !strings.Contains(s, match) {
   103  		t.Fatalf("got %q expected it to contain %q", s, match)
   104  
   105  	}
   106  }