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|
package lfs
import (
"bufio"
"bytes"
"io"
"reflect"
"strings"
"testing"
"github.com/git-lfs/git-lfs/v3/errors"
"github.com/stretchr/testify/assert"
)
func TestEncode(t *testing.T) {
var buf bytes.Buffer
pointer := NewPointer("booya", 12345, nil)
_, err := EncodePointer(&buf, pointer)
assert.Nil(t, err)
bufReader := bufio.NewReader(&buf)
assertLine(t, bufReader, "version https://git-lfs.github.com/spec/v1\n")
assertLine(t, bufReader, "oid sha256:booya\n")
assertLine(t, bufReader, "size 12345\n")
line, err := bufReader.ReadString('\n')
if err == nil {
t.Fatalf("More to read: %s", line)
}
assert.Equal(t, "EOF", err.Error())
}
func TestEncodeEmpty(t *testing.T) {
var buf bytes.Buffer
pointer := NewPointer("", 0, nil)
_, err := EncodePointer(&buf, pointer)
assert.Equal(t, nil, err)
bufReader := bufio.NewReader(&buf)
val, err := bufReader.ReadString('\n')
assert.Equal(t, "", val)
assert.Equal(t, "EOF", err.Error())
}
func TestEncodeExtensions(t *testing.T) {
var buf bytes.Buffer
exts := []*PointerExtension{
NewPointerExtension("foo", 0, "foo_oid"),
NewPointerExtension("bar", 1, "bar_oid"),
NewPointerExtension("baz", 2, "baz_oid"),
}
pointer := NewPointer("main_oid", 12345, exts)
_, err := EncodePointer(&buf, pointer)
assert.Nil(t, err)
bufReader := bufio.NewReader(&buf)
assertLine(t, bufReader, "version https://git-lfs.github.com/spec/v1\n")
assertLine(t, bufReader, "ext-0-foo sha256:foo_oid\n")
assertLine(t, bufReader, "ext-1-bar sha256:bar_oid\n")
assertLine(t, bufReader, "ext-2-baz sha256:baz_oid\n")
assertLine(t, bufReader, "oid sha256:main_oid\n")
assertLine(t, bufReader, "size 12345\n")
line, err := bufReader.ReadString('\n')
if err == nil {
t.Fatalf("More to read: %s", line)
}
assert.Equal(t, "EOF", err.Error())
}
func assertLine(t *testing.T, r *bufio.Reader, expected string) {
actual, err := r.ReadString('\n')
assert.Nil(t, err)
assert.Equal(t, expected, actual)
}
func TestDecodeTinyFile(t *testing.T) {
ex := "this is not a git-lfs file!"
p, err := DecodePointer(bytes.NewBufferString(ex))
if p != nil {
t.Errorf("pointer was decoded: %v", p)
}
if !errors.IsNotAPointerError(err) {
t.Errorf("error is not a NotAPointerError: %s: '%v'", reflect.TypeOf(err), err)
}
}
func TestDecode(t *testing.T) {
ex := `version https://git-lfs.github.com/spec/v1
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`
p, err := DecodePointer(bytes.NewBufferString(ex))
assertEqualWithExample(t, ex, nil, err)
assertEqualWithExample(t, ex, latest, p.Version)
assertEqualWithExample(t, ex, "4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393", p.Oid)
assertEqualWithExample(t, ex, "sha256", p.OidType)
assertEqualWithExample(t, ex, int64(12345), p.Size)
}
func TestDecodeExtensions(t *testing.T) {
ex := `version https://git-lfs.github.com/spec/v1
ext-0-foo sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ext-1-bar sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
ext-2-baz sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`
p, err := DecodePointer(bytes.NewBufferString(ex))
assertEqualWithExample(t, ex, nil, err)
assertEqualWithExample(t, ex, latest, p.Version)
assertEqualWithExample(t, ex, "4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393", p.Oid)
assertEqualWithExample(t, ex, int64(12345), p.Size)
assertEqualWithExample(t, ex, "sha256", p.OidType)
assertEqualWithExample(t, ex, "foo", p.Extensions[0].Name)
assertEqualWithExample(t, ex, 0, p.Extensions[0].Priority)
assertEqualWithExample(t, ex, "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", p.Extensions[0].Oid)
assertEqualWithExample(t, ex, "sha256", p.Extensions[0].OidType)
assertEqualWithExample(t, ex, "bar", p.Extensions[1].Name)
assertEqualWithExample(t, ex, 1, p.Extensions[1].Priority)
assertEqualWithExample(t, ex, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", p.Extensions[1].Oid)
assertEqualWithExample(t, ex, "sha256", p.Extensions[1].OidType)
assertEqualWithExample(t, ex, "baz", p.Extensions[2].Name)
assertEqualWithExample(t, ex, 2, p.Extensions[2].Priority)
assertEqualWithExample(t, ex, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", p.Extensions[2].Oid)
assertEqualWithExample(t, ex, "sha256", p.Extensions[2].OidType)
}
func TestDecodeExtensionsSort(t *testing.T) {
ex := `version https://git-lfs.github.com/spec/v1
ext-2-baz sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
ext-0-foo sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ext-1-bar sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`
p, err := DecodePointer(bytes.NewBufferString(ex))
assertEqualWithExample(t, ex, nil, err)
assertEqualWithExample(t, ex, latest, p.Version)
assertEqualWithExample(t, ex, "4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393", p.Oid)
assertEqualWithExample(t, ex, int64(12345), p.Size)
assertEqualWithExample(t, ex, "sha256", p.OidType)
assertEqualWithExample(t, ex, "foo", p.Extensions[0].Name)
assertEqualWithExample(t, ex, 0, p.Extensions[0].Priority)
assertEqualWithExample(t, ex, "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", p.Extensions[0].Oid)
assertEqualWithExample(t, ex, "sha256", p.Extensions[0].OidType)
assertEqualWithExample(t, ex, "bar", p.Extensions[1].Name)
assertEqualWithExample(t, ex, 1, p.Extensions[1].Priority)
assertEqualWithExample(t, ex, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", p.Extensions[1].Oid)
assertEqualWithExample(t, ex, "sha256", p.Extensions[1].OidType)
assertEqualWithExample(t, ex, "baz", p.Extensions[2].Name)
assertEqualWithExample(t, ex, 2, p.Extensions[2].Priority)
assertEqualWithExample(t, ex, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", p.Extensions[2].Oid)
assertEqualWithExample(t, ex, "sha256", p.Extensions[2].OidType)
}
func TestDecodePreRelease(t *testing.T) {
ex := `version https://hawser.github.com/spec/v1
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`
p, err := DecodePointer(bytes.NewBufferString(ex))
assertEqualWithExample(t, ex, nil, err)
assertEqualWithExample(t, ex, latest, p.Version)
assertEqualWithExample(t, ex, "4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393", p.Oid)
assertEqualWithExample(t, ex, "sha256", p.OidType)
assertEqualWithExample(t, ex, int64(12345), p.Size)
}
func TestDecodeFromEmptyReader(t *testing.T) {
p, buf, err := DecodeFrom(strings.NewReader(""))
by, _ := io.ReadAll(buf)
assert.Nil(t, err)
assert.Equal(t, p.Oid, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")
assert.Equal(t, p.Size, int64(0))
assert.Empty(t, by)
}
func TestDecodeCanonical(t *testing.T) {
canonicalExamples := []string{
// standard
`version https://git-lfs.github.com/spec/v1
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345
`,
// extensions
`version https://git-lfs.github.com/spec/v1
ext-0-foo sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ext-1-bar sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
ext-2-baz sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345
`,
// empty file
"",
}
nonCanonicalExamples := []string{
// missing trailing newline
`version https://git-lfs.github.com/spec/v1
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`,
// carriage returns
"version https://git-lfs.github.com/spec/v1\r\noid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393\r\nsize 12345\r\n",
// trailing whitespace
"version https://git-lfs.github.com/spec/v1\noid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393\nsize 12345 \n",
// unsorted extensions
`version https://git-lfs.github.com/spec/v1
ext-2-baz sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
ext-0-foo sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ext-1-bar sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345
`,
}
for _, ex := range canonicalExamples {
p, err := DecodePointer(bytes.NewBufferString(ex))
if err != nil {
t.Errorf("Error decoding: %v", err)
}
assert.Equal(t, p.Canonical, true)
}
for _, ex := range nonCanonicalExamples {
p, err := DecodePointer(bytes.NewBufferString(ex))
if err != nil {
t.Errorf("Error decoding: %v", err)
}
assert.Equal(t, p.Canonical, false)
}
}
func TestDecodeInvalid(t *testing.T) {
examples := []string{
"invalid stuff",
// no sha
"# git-media",
// bad oid
`version https://git-lfs.github.com/spec/v1
oid sha256:boom
size 12345`,
// bad oid type
`version https://git-lfs.github.com/spec/v1
oid shazam:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`,
// no oid
`version https://git-lfs.github.com/spec/v1
size 12345`,
// bad version
`version http://git-media.io/v/whatever
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`,
// no version
`oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`,
// bad size
`version https://git-lfs.github.com/spec/v1
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size fif`,
// no size
`version https://git-lfs.github.com/spec/v1
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393`,
// bad `key value` format
`version=https://git-lfs.github.com/spec/v1
oid=sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size=fif`,
// no git-media
`version=http://wat.io/v/2
oid=sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size=fif`,
// extra key
`version https://git-lfs.github.com/spec/v1
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345
wat wat`,
// keys out of order
`version https://git-lfs.github.com/spec/v1
size 12345
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393`,
// bad ext name
`version https://git-lfs.github.com/spec/v1
ext-0-$$$$ sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`,
// bad ext priority
`version https://git-lfs.github.com/spec/v1
ext-#-foo sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`,
// duplicate ext priority
`version https://git-lfs.github.com/spec/v1
ext-0-foo sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ext-0-bar sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`,
// ext priority over 9
`version https://git-lfs.github.com/spec/v1
ext-10-foo sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`,
// bad ext oid
`version https://git-lfs.github.com/spec/v1
ext-0-foo sha256:boom
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`,
// bad ext oid type
`version https://git-lfs.github.com/spec/v1
ext-0-foo boom:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393
size 12345`,
// bad OID
`version https://git-lfs.github.com/spec/v1
oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1258daaa5e2ca24d17e2393&
size 177735`,
}
for _, ex := range examples {
p, err := DecodePointer(bytes.NewBufferString(ex))
if err == nil {
t.Errorf("No error decoding: %v\nFrom:\n%s", p, strings.TrimSpace(ex))
}
}
}
func assertEqualWithExample(t *testing.T, example string, expected, actual interface{}) {
assert.Equal(t, expected, actual, "Example:\n%s", strings.TrimSpace(example))
}
|
