func (vbag *VirtualBag) setMimeType(reader io.Reader, gf *GenericFile) {
// on err, defaults to application/binary
buf := make([]byte, 128)
_, err := reader.Read(buf)
if err != nil {
vbag.summary.AddError(err.Error())
}
gf.FileFormat, err = platform.GuessMimeTypeByBuffer(buf)
if err != nil {
vbag.summary.AddError(err.Error())
}
}
func TestGuessMimeTypeByBuffer(t *testing.T) {
pathToTempFile := setupMimeTest(t)
defer teardownMimeTest(pathToTempFile)
file, err := os.Open(pathToTempFile)
require.Nil(t, err)
defer file.Close()
buf := make([]byte, 256)
_, _ = file.Read(buf)
mimetype, err := platform.GuessMimeTypeByBuffer(buf)
require.Nil(t, err)
if !platform.IsPartnerBuild {
assert.Equal(t, "text/plain", mimetype)
}
}