code wiki / _hdl_build / nx_apistack_version_gate.nx
`nx_apistack_version_gate.nx` source

1// nx_apistack_version_gate.nx -- hermetic gate for CAP-API-VERSION. Proves version extraction from media-type + URL,
2// and negotiation (<=requested / latest / lowest). Sovereign: nx_syscalls + nx_apistack_version. expect_exit: 0
3import "nx_syscalls.nx"
4import "nx_apistack_version.nx"
5import "nx_gate_verdict.nx"
6
7func gp(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} sys_write(1,s,n); return 0 }
8func gn(v: i64) -> i64 { var t: i64=v; if t<0{sys_write(1,"-" as *u8,1);t=0-t} let tm:*u8=sys_mmap(24); var k:i64=0; if t==0{tm[0]=48 as u8;k=1} while t>0{tm[k]=(48+(t%10)) as u8;t=t/10;k=k+1} let b:*u8=sys_mmap(24); var j:i64=0; while j<k{b[j]=tm[k-1-j];j=j+1} sys_write(1,b,k); return 0 }
9func g_slen(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} return n }
10
11func main(argc: i64, argv: *i64) -> i64 {
12    gp("=== nx_apistack_version_gate (API version negotiation) ===\n" as *u8)
13    var pass: i64 = 0; var fail: i64 = 0
14    let sup: *i64 = sys_mmap(64) as *i64; sup[0]=1; sup[1]=2   // supported {1,2}, ascending
15
16    let a: *u8 = "application/vnd.nishi.v2+json" as *u8
17    if ver_scan(a, g_slen(a)) == 2 { pass=pass+1; gp("  T1 media-type v2 PASS\n" as *u8) } else { fail=fail+1; gp("  T1 FAIL=" as *u8); gn(ver_scan(a,g_slen(a))); gp("\n" as *u8) }
18
19    let p: *u8 = "/api/v3/shards" as *u8
20    if ver_scan(p, g_slen(p)) == 3 { pass=pass+1; gp("  T2 URL v3 PASS\n" as *u8) } else { fail=fail+1; gp("  T2 FAIL=" as *u8); gn(ver_scan(p,g_slen(p))); gp("\n" as *u8) }
21
22    let q: *u8 = "/api/shards" as *u8
23    if ver_scan(q, g_slen(q)) == 0 { pass=pass+1; gp("  T3 no version -> 0 PASS\n" as *u8) } else { fail=fail+1; gp("  T3 FAIL\n" as *u8) }
24
25    if ver_negotiate(3, sup, 2) == 2 { pass=pass+1; gp("  T4 request v3 -> serve v2 (highest supported) PASS\n" as *u8) } else { fail=fail+1; gp("  T4 FAIL\n" as *u8) }
26    if ver_negotiate(1, sup, 2) == 1 { pass=pass+1; gp("  T5 request v1 -> serve v1 PASS\n" as *u8) } else { fail=fail+1; gp("  T5 FAIL\n" as *u8) }
27    if ver_negotiate(0, sup, 2) == 2 { pass=pass+1; gp("  T6 unspecified -> latest v2 PASS\n" as *u8) } else { fail=fail+1; gp("  T6 FAIL\n" as *u8) }
28
29    gp("RESULT pass=" as *u8); gn(pass); gp(" fail=" as *u8); gn(fail)
30    // MIGRATED onto nx_gate_verdict by nx_gate_dry_apply (D001, minimal form): every check
31    // row above is untouched, so the PASS/FAIL vector cannot change; only the hand-rolled
32    // verdict emission is replaced by the ONE shared base class. Proven by nx_gate_migrate verify.
33    let ctr__dry: *i64 = gv_ctr()
34    ctr__dry[0] = pass
35    ctr__dry[1] = pass + fail
36    let rc__dry: i64 = gv_verdict("APISTACK-VERSION-GATE" as *u8, ctr__dry, "teeth unchanged; verdict emission migrated onto the shared base class" as *u8)
37    sys_exit(rc__dry)
38    return rc__dry
39}
nx_apistack_version_gate.nx source

`nx_apistack_version_gate.nx` source
