pkger/fs/fstest/suite.go

129 lines
2.3 KiB
Go

package fstest
import (
"fmt"
"os"
"reflect"
"strings"
"testing"
"github.com/markbates/pkger/fs"
"github.com/stretchr/testify/require"
)
type FileSystem struct {
FS fs.FileSystem
}
func NewFileSystem(yourfs fs.FileSystem) (*FileSystem, error) {
suite := &FileSystem{
FS: yourfs,
}
return suite, nil
}
func (s *FileSystem) Test(t *testing.T) {
rv := reflect.ValueOf(s)
rt := rv.Type()
if rt.NumMethod() == 0 {
t.Fatalf("something went wrong wrong with %s %T", s, s)
}
for i := 0; i < rt.NumMethod(); i++ {
m := rt.Method(i)
if !strings.HasPrefix(m.Name, "Test_") {
continue
}
s.sub(t, m)
}
}
func (s *FileSystem) sub(t *testing.T, m reflect.Method) {
name := strings.TrimPrefix(m.Name, "Test_")
name = fmt.Sprintf("%T_%s", s.FS, name)
t.Run(name, func(st *testing.T) {
defer func() {
if err := recover(); err != nil {
st.Fatal(err)
}
}()
cleaner := func() {
if err := s.Clean(); err != nil {
st.Fatal(err)
}
}
cleaner()
defer cleaner()
m.Func.Call([]reflect.Value{
reflect.ValueOf(s),
reflect.ValueOf(st),
})
})
}
func (s *FileSystem) Clean() error {
name := Path(s.FS)
err := s.FS.RemoveAll(name)
if err != nil {
return err
}
if _, err := s.FS.Stat(name); err == nil {
return fmt.Errorf("expected %q to be, you know, not there any more", name)
}
return nil
}
func (s *FileSystem) Test_Create(t *testing.T) {
r := require.New(t)
name := Path(s.FS, "i", "want", "candy.song")
f, err := s.FS.Create(name)
r.NoError(err)
r.Equal(name, f.Name())
fi, err := f.Stat()
r.NoError(err)
r.Equal(name, fi.Name())
r.Equal(os.FileMode(0644), fi.Mode())
r.NotZero(fi.ModTime())
}
func (s *FileSystem) Test_Current(t *testing.T) {
r := require.New(t)
info, err := s.FS.Current()
r.NoError(err)
r.NotZero(info)
}
func (s *FileSystem) Test_Info(t *testing.T) {
panic("not implemented")
}
func (s *FileSystem) Test_MkdirAll(t *testing.T) {
panic("not implemented")
}
func (s *FileSystem) Test_Open(t *testing.T) {
panic("not implemented")
}
func (s *FileSystem) Test_Parse(t *testing.T) {
panic("not implemented")
}
func (s *FileSystem) Test_ReadFile(t *testing.T) {
panic("not implemented")
}
func (s *FileSystem) Test_Stat(t *testing.T) {
panic("not implemented")
}
func (s *FileSystem) Test_Walk(t *testing.T) {
panic("not implemented")
}