schema_policy_test.go RawHistoryFolder

1package wire
2
3import (
4	"os"
5	"strings"
6	"testing"
7)
8
9// TestCommandResultV58CleanBreakPolicy pins both halves of the intentional
10// v58 clean break: Buf permits field deletion only under strict versioning,
11// while the deleted field number and name remain unavailable for reuse.
12func TestCommandResultV58CleanBreakPolicy(t *testing.T) {
13	buf, err := os.ReadFile("../../../buf.yaml")
14	if err != nil {
15		t.Fatal(err)
16	}
17	policy := string(buf)
18	for _, want := range []string{
19		"ignore_only:",
20		"FIELD_NO_DELETE:",
21		"- internal/protocol/wire/schema/command.proto",
22	} {
23		if !strings.Contains(policy, want) {
24			t.Fatalf("buf breaking policy must scope the v58 field deletion to command.proto: missing %q", want)
25		}
26	}
27	if strings.Contains(policy, "- FIELD_NO_DELETE") {
28		t.Fatal("buf breaking policy must not permit field deletion globally")
29	}
30
31	schema, err := os.ReadFile("schema/command.proto")
32	if err != nil {
33		t.Fatal(err)
34	}
35	text := string(schema)
36	for _, reservation := range []string{"reserved 2;", `reserved "ok";`} {
37		if !strings.Contains(text, reservation) {
38			t.Fatalf("CommandResult must retain %s", reservation)
39		}
40	}
41}