dump: Extract tar code to internal/dump

internal/dump/acl_test.go

@@ -0,0 +1,96 @@
+package dump
+
+import (
+	"reflect"
+	"testing"
+)
+
+func Test_acl_decode(t *testing.T) {
+	type args struct {
+		xattr []byte
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "decode string",
+			args: args{
+				xattr: []byte{2, 0, 0, 0, 1, 0, 6, 0, 255, 255, 255, 255, 2, 0, 7, 0, 0, 0, 0, 0, 2, 0, 7, 0, 254, 255, 0, 0, 4, 0, 7, 0, 255, 255, 255, 255, 16, 0, 7, 0, 255, 255, 255, 255, 32, 0, 4, 0, 255, 255, 255, 255},
+			},
+			want: "user::rw-\nuser:0:rwx\nuser:65534:rwx\ngroup::rwx\nmask::rwx\nother::r--\n",
+		},
+		{
+			name: "decode fail",
+			args: args{
+				xattr: []byte("abctest"),
+			},
+			want: "",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			a := &acl{}
+			a.decode(tt.args.xattr)
+			if tt.want != a.String() {
+				t.Errorf("acl.decode() = %v, want: %v", a.String(), tt.want)
+			}
+		})
+	}
+}
+
+func Test_acl_encode(t *testing.T) {
+	tests := []struct {
+		name string
+		want []byte
+		args []aclElement
+	}{
+		{
+			name: "encode values",
+			want: []byte{2, 0, 0, 0, 1, 0, 6, 0, 255, 255, 255, 255, 2, 0, 7, 0, 0, 0, 0, 0, 2, 0, 7, 0, 254, 255, 0, 0, 4, 0, 7, 0, 255, 255, 255, 255, 16, 0, 7, 0, 255, 255, 255, 255, 32, 0, 4, 0, 255, 255, 255, 255},
+			args: []aclElement{
+				{
+					aclSID: 8589934591,
+					Perm:   6,
+				},
+				{
+					aclSID: 8589934592,
+					Perm:   7,
+				},
+				{
+					aclSID: 8590000126,
+					Perm:   7,
+				},
+				{
+					aclSID: 21474836479,
+					Perm:   7,
+				},
+				{
+					aclSID: 73014444031,
+					Perm:   7,
+				},
+				{
+					aclSID: 141733920767,
+					Perm:   4,
+				},
+			},
+		},
+		{
+			name: "encode fail",
+			want: []byte{2, 0, 0, 0},
+			args: []aclElement{},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			a := &acl{
+				Version: 2,
+				List:    tt.args,
+			}
+			if got := a.encode(); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("acl.encode() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}