Ophestra
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The fact that Gob serialisation is deterministic is an implementation detail. This change replaces Gob with a simple custom format. Signed-off-by: Ophestra <cat@gensokyo.uk>
89 lines
3.4 KiB
Go
89 lines
3.4 KiB
Go
package pkg_test
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import (
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"bytes"
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"io/fs"
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"reflect"
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"testing"
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"testing/fstest"
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"hakurei.app/internal/pkg"
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)
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func TestFlatten(t *testing.T) {
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t.Parallel()
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testCases := []struct {
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name string
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fsys fs.FS
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entries []pkg.FlatEntry
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sum pkg.Checksum
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}{
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{"sample cache file", fstest.MapFS{
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".": {Mode: 020000000700},
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"checksum": {Mode: 020000000700},
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"checksum/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX": {Mode: 0400, Data: []byte{0}},
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"checksum/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq": {Mode: 0400, Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
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"identifier": {Mode: 020000000700},
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"identifier/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX": {Mode: 0400, Data: []byte{0}},
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"identifier/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq": {Mode: 0400, Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
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"identifier/cafebabecafebabecafebabecafebabecafebabecafebabecafebabecafebabe": {Mode: 0400, Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
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"identifier/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef": {Mode: 0400, Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
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}, []pkg.FlatEntry{
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{Mode: 020000000700, Path: "."},
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{Mode: 020000000700, Path: "checksum"},
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{Mode: 0400, Path: "checksum/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq", Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
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{Mode: 0400, Path: "checksum/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX", Data: []byte{0}},
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{Mode: 020000000700, Path: "identifier"},
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{Mode: 0400, Path: "identifier/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq", Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
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{Mode: 0400, Path: "identifier/cafebabecafebabecafebabecafebabecafebabecafebabecafebabecafebabe", Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
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{Mode: 0400, Path: "identifier/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef", Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
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{Mode: 0400, Path: "identifier/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX", Data: []byte{0}},
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}, pkg.MustDecode("ZNSQH-mjhtIbFvi51lQ0UjatjoS8_5ILrBPNWlO2LWTq9P6MJEnekYzP0esUJnVr")},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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t.Run("roundtrip", func(t *testing.T) {
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t.Parallel()
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var buf bytes.Buffer
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if _, err := pkg.Flatten(tc.fsys, ".", &buf); err != nil {
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t.Fatalf("Flatten: error = %v", err)
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}
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s := pkg.NewDirScanner(bytes.NewReader(buf.Bytes()))
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var got []pkg.FlatEntry
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for s.Scan() {
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got = append(got, *s.Entry())
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}
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if err := s.Err(); err != nil {
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t.Fatalf("Err: error = %v", err)
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}
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if !reflect.DeepEqual(got, tc.entries) {
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t.Fatalf("Scan: %#v, want %#v", got, tc.entries)
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}
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})
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t.Run("hash", func(t *testing.T) {
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t.Parallel()
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if got, err := pkg.HashFS(tc.fsys, "."); err != nil {
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t.Fatalf("HashFS: error = %v", err)
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} else if got != tc.sum {
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t.Fatalf("HashFS: %v", &pkg.ChecksumMismatchError{
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Got: got,
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Want: tc.sum,
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})
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}
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})
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})
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}
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}
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