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path: root/internal/pkg/dir_test.go
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package pkg_test

import (
	"io/fs"
	"testing"
	"testing/fstest"

	"hakurei.app/internal/pkg"
)

func TestFlatten(t *testing.T) {
	t.Parallel()

	testCases := []struct {
		name string
		fsys fs.FS
		want pkg.Checksum
	}{
		{"sample cache file", fstest.MapFS{
			".": {Mode: 020000000700},

			"checksum": {Mode: 020000000700},
			"checksum/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX": {Mode: 0400, Data: []byte{0x0}},
			"checksum/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq": {Mode: 0400, Data: []byte{0x0, 0x0, 0x0, 0x0, 0xad, 0xb, 0x0, 0x4, 0xfe, 0xfe, 0x0, 0x0, 0xfe, 0xca, 0x0, 0x0}},

			"identifier": {Mode: 020000000700},
			"identifier/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX": {Mode: 0400, Data: []byte{0x0}},
			"identifier/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq": {Mode: 0400, Data: []byte{0x0, 0x0, 0x0, 0x0, 0xad, 0xb, 0x0, 0x4, 0xfe, 0xfe, 0x0, 0x0, 0xfe, 0xca, 0x0, 0x0}},
			"identifier/cafebabecafebabecafebabecafebabecafebabecafebabecafebabecafebabe": {Mode: 0400, Data: []byte{0x0, 0x0, 0x0, 0x0, 0xad, 0xb, 0x0, 0x4, 0xfe, 0xfe, 0x0, 0x0, 0xfe, 0xca, 0x0, 0x0}},
			"identifier/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef": {Mode: 0400, Data: []byte{0x0, 0x0, 0x0, 0x0, 0xad, 0xb, 0x0, 0x4, 0xfe, 0xfe, 0x0, 0x0, 0xfe, 0xca, 0x0, 0x0}},
		}, pkg.MustDecode("lvK4lY9bQUFscHpxqHmiPvptjUwOgn3BFhzCXZMeupkY1n22WUPSuh7pswEvVZrx")},
	}
	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {
			t.Parallel()

			if got, err := pkg.HashFS(tc.fsys, "."); err != nil {
				t.Fatalf("HashFS: error = %v", err)
			} else if got != tc.want {
				t.Fatalf("HashFS: %v", &pkg.ChecksumMismatchError{
					Got:  got,
					Want: tc.want,
				})
			}
		})
	}
}