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