package nfs_test

import (
	"bytes"
	"git.noahlan.cn/noahlan/ntool/nfs"
	"git.noahlan.cn/noahlan/ntool/ntest/assert"
	"testing"
)

func TestMimeType(t *testing.T) {
	assert.Eq(t, "", nfs.MimeType(""))
	assert.Eq(t, "", nfs.MimeType("not-exist"))
	assert.Eq(t, "text/plain; charset=utf-8", nfs.MimeType("testdata/mimetext.txt"))

	buf := new(bytes.Buffer)
	buf.Write([]byte("\xFF\xD8\xFF"))
	assert.Eq(t, "image/jpeg", nfs.ReaderMimeType(buf))
	buf.Reset()

	buf.Write([]byte("text"))
	assert.Eq(t, "text/plain; charset=utf-8", nfs.ReaderMimeType(buf))
	buf.Reset()

	buf.Write([]byte(""))
	assert.Eq(t, "", nfs.ReaderMimeType(buf))
	buf.Reset()

	assert.False(t, nfs.IsImageFile("testdata/test.txt"))
	assert.False(t, nfs.IsImageFile("testdata/not-exists"))
}

func TestTempDir(t *testing.T) {
	dir, err := nfs.TempDir("testdata", "temp.*")
	assert.NoErr(t, err)
	assert.True(t, nfs.IsDir(dir))
	assert.NoErr(t, nfs.Remove(dir))
}

func TestSplitPath(t *testing.T) {
	dir, file := nfs.SplitPath("/path/to/dir/some.txt")
	assert.Eq(t, "/path/to/dir/", dir)
	assert.Eq(t, "some.txt", file)
}

func TestToAbsPath(t *testing.T) {
	assert.Eq(t, "", nfs.ToAbsPath(""))
	assert.Eq(t, "/path/to/dir/", nfs.ToAbsPath("/path/to/dir/"))
	assert.Neq(t, "~/path/to/dir", nfs.ToAbsPath("~/path/to/dir"))
	assert.Neq(t, ".", nfs.ToAbsPath("."))
	assert.Neq(t, "..", nfs.ToAbsPath(".."))
	assert.Neq(t, "./", nfs.ToAbsPath("./"))
	assert.Neq(t, "../", nfs.ToAbsPath("../"))
}

func TestSlashPath(t *testing.T) {
	assert.Eq(t, "/path/to/dir", nfs.SlashPath("/path/to/dir"))
	assert.Eq(t, "/path/to/dir", nfs.UnixPath("/path/to/dir"))
	assert.Eq(t, "/path/to/dir", nfs.UnixPath("\\path\\to\\dir"))
}