// Copyright 2021 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package lfs import (	"path"	"strings"	"testing" 	"github.com/stretchr/testify/assert"	"github.com/stretchr/testify/require") func TestStringContent(t *testing.T) {	p := Pointer{Oid: "4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393", Size: 1234}	expected := "version https://git-lfs.github.com/spec/v1\noid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393\nsize 1234\n"	assert.Equal(t, expected, p.StringContent())} func TestRelativePath(t *testing.T) {	p := Pointer{Oid: "4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393"}	expected := path.Join("4d", "7a", "214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393")	assert.Equal(t, expected, p.RelativePath()) 	p2 := Pointer{Oid: "4d7a"}	assert.Equal(t, "4d7a", p2.RelativePath())} func TestIsValid(t *testing.T) {	p := Pointer{}	assert.False(t, p.IsValid()) 	p = Pointer{Oid: "123"}	assert.False(t, p.IsValid()) 	p = Pointer{Oid: "z4cb57646c54a297c9807697e80a30946f79a4b82cb079d2606847825b1812cc"}	assert.False(t, p.IsValid()) 	p = Pointer{Oid: "94cb57646c54a297c9807697e80a30946f79a4b82cb079d2606847825b1812cc"}	assert.True(t, p.IsValid()) 	p = Pointer{Oid: "94cb57646c54a297c9807697e80a30946f79a4b82cb079d2606847825b1812cc", Size: -1}	assert.False(t, p.IsValid())} func TestGeneratePointer(t *testing.T) {	p, err := GeneratePointer(strings.NewReader("Gitea"))	require.NoError(t, err)	assert.True(t, p.IsValid())	assert.Equal(t, "94cb57646c54a297c9807697e80a30946f79a4b82cb079d2606847825b1812cc", p.Oid)	assert.Equal(t, int64(5), p.Size)} func TestReadPointerFromBuffer(t *testing.T) {	p, err := ReadPointerFromBuffer([]byte{})	require.ErrorIs(t, err, ErrMissingPrefix)	assert.False(t, p.IsValid()) 	p, err = ReadPointerFromBuffer([]byte("test"))	require.ErrorIs(t, err, ErrMissingPrefix)	assert.False(t, p.IsValid()) 	p, err = ReadPointerFromBuffer([]byte("version https://git-lfs.github.com/spec/v1\n"))	require.ErrorIs(t, err, ErrInvalidStructure)	assert.False(t, p.IsValid()) 	p, err = ReadPointerFromBuffer([]byte("version https://git-lfs.github.com/spec/v1\noid sha256:4d7a\nsize 1234\n"))	require.ErrorIs(t, err, ErrInvalidOIDFormat)	assert.False(t, p.IsValid()) 	p, err = ReadPointerFromBuffer([]byte("version https://git-lfs.github.com/spec/v1\noid sha256:4d7a2146z4ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393\nsize 1234\n"))	require.ErrorIs(t, err, ErrInvalidOIDFormat)	assert.False(t, p.IsValid()) 	p, err = ReadPointerFromBuffer([]byte("version https://git-lfs.github.com/spec/v1\noid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393\ntest 1234\n"))	require.Error(t, err)	assert.False(t, p.IsValid()) 	p, err = ReadPointerFromBuffer([]byte("version https://git-lfs.github.com/spec/v1\noid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393\nsize test\n"))	require.Error(t, err)	assert.False(t, p.IsValid()) 	p, err = ReadPointerFromBuffer([]byte("version https://git-lfs.github.com/spec/v1\noid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393\nsize 1234\n"))	require.NoError(t, err)	assert.True(t, p.IsValid())	assert.Equal(t, "4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393", p.Oid)	assert.Equal(t, int64(1234), p.Size) 	p, err = ReadPointerFromBuffer([]byte("version https://git-lfs.github.com/spec/v1\noid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393\nsize 1234\ntest"))	require.NoError(t, err)	assert.True(t, p.IsValid())	assert.Equal(t, "4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393", p.Oid)	assert.Equal(t, int64(1234), p.Size)} func TestReadPointer(t *testing.T) {	p, err := ReadPointer(strings.NewReader("version https://git-lfs.github.com/spec/v1\noid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393\nsize 1234\n"))	require.NoError(t, err)	assert.True(t, p.IsValid())	assert.Equal(t, "4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393", p.Oid)	assert.Equal(t, int64(1234), p.Size)}