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mime_test.go
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mime_test.go
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package fsutil_test
import (
"bytes"
"testing"
"github.com/gookit/goutil/fsutil"
"github.com/gookit/goutil/testutil/assert"
)
func TestMimeType(t *testing.T) {
assert.Eq(t, "", fsutil.DetectMime(""))
assert.Eq(t, "", fsutil.MimeType("not-exist"))
assert.Eq(t, "image/jpeg", fsutil.MimeType("testdata/test.jpg"))
buf := new(bytes.Buffer)
buf.Write([]byte("\xFF\xD8\xFF"))
assert.Eq(t, "image/jpeg", fsutil.ReaderMimeType(buf))
buf.Reset()
buf.Write([]byte("text"))
assert.Eq(t, "text/plain; charset=utf-8", fsutil.ReaderMimeType(buf))
buf.Reset()
buf.Write([]byte(""))
assert.Eq(t, "", fsutil.ReaderMimeType(buf))
buf.Reset()
assert.True(t, fsutil.IsImageFile("testdata/test.jpg"))
assert.False(t, fsutil.IsImageFile("testdata/not-exists"))
}