package main import ( "io/ioutil" "testing" "github.com/spf13/afero" ) func NewTestTheme() *Theme { return NewTheme(new(afero.MemMapFs)) } func TestTheme(t *testing.T) { s := NewTestTheme() filename := "/index.html" index := "this is the index" afero.WriteFile(s.Fs, filename, []byte(index), 0644) fileInfo, err := s.Fs.Stat(filename) if err != nil { t.Error(err) } if f, timestamp, err := s.Open("/index.html"); err != nil { t.Error(err) } else if buf, err := ioutil.ReadAll(f); err != nil { t.Error(err) } else if string(buf) != index { t.Error("Read wrong value from index") } else if !timestamp.Equal(fileInfo.ModTime()) { t.Error("Timestamp compared wrong") } }