github.com/graemephi/kahugo@v0.62.3-0.20211121071557-d78c0423784d/hugofs/filename_filter_fs_test.go (about)

     1  // Copyright 2019 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  	"errors"
    18  	"fmt"
    19  	"os"
    20  	"path/filepath"
    21  	"testing"
    22  
    23  	"github.com/gohugoio/hugo/hugofs/glob"
    24  
    25  	"github.com/spf13/afero"
    26  
    27  	qt "github.com/frankban/quicktest"
    28  )
    29  
    30  func TestFilenameFilterFs(t *testing.T) {
    31  	c := qt.New(t)
    32  
    33  	base := filepath.FromSlash("/mybase")
    34  
    35  	fs := NewBaseFileDecorator(afero.NewMemMapFs())
    36  
    37  	for _, letter := range []string{"a", "b", "c"} {
    38  		for i := 1; i <= 3; i++ {
    39  			c.Assert(afero.WriteFile(fs, filepath.Join(base, letter, fmt.Sprintf("my%d.txt", i)), []byte("some text file for"+letter), 0755), qt.IsNil)
    40  			c.Assert(afero.WriteFile(fs, filepath.Join(base, letter, fmt.Sprintf("my%d.json", i)), []byte("some json file for"+letter), 0755), qt.IsNil)
    41  		}
    42  	}
    43  
    44  	fs = afero.NewBasePathFs(fs, base)
    45  
    46  	filter, err := glob.NewFilenameFilter(nil, []string{"/b/**.txt"})
    47  	c.Assert(err, qt.IsNil)
    48  
    49  	fs = newFilenameFilterFs(fs, base, filter)
    50  
    51  	assertExists := func(filename string, shouldExist bool) {
    52  		filename = filepath.Clean(filename)
    53  		_, err1 := fs.Stat(filename)
    54  		f, err2 := fs.Open(filename)
    55  		if shouldExist {
    56  			c.Assert(err1, qt.IsNil)
    57  			c.Assert(err2, qt.IsNil)
    58  			defer f.Close()
    59  
    60  		} else {
    61  			for _, err := range []error{err1, err2} {
    62  				c.Assert(err, qt.Not(qt.IsNil))
    63  				c.Assert(errors.Is(err, os.ErrNotExist), qt.IsTrue)
    64  			}
    65  		}
    66  	}
    67  
    68  	assertExists("/a/my1.txt", true)
    69  	assertExists("/b/my1.txt", false)
    70  
    71  	dirB, err := fs.Open("/b")
    72  	defer dirB.Close()
    73  	c.Assert(err, qt.IsNil)
    74  	dirBEntries, err := dirB.Readdirnames(-1)
    75  	c.Assert(dirBEntries, qt.DeepEquals, []string{"my1.json", "my2.json", "my3.json"})
    76  
    77  	dirC, err := fs.Open("/c")
    78  	defer dirC.Close()
    79  	c.Assert(err, qt.IsNil)
    80  	dirCEntries, err := dirC.Readdirnames(-1)
    81  	c.Assert(dirCEntries, qt.DeepEquals, []string{"my1.json", "my1.txt", "my2.json", "my2.txt", "my3.json", "my3.txt"})
    82  
    83  }