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package workqueue

import (

"bytes"

"context"

"encoding/json"

"os"

"os/exec"

"slices"

"strings"

"testing"

"time"

)

func TestDeliveryExhaustionDeadlineAndAttemptNativeParity(t *testing.T) {

data, err := os.ReadFile("../../specs/work-queue/fixtures/delivery-deadlines.json")

if err != nil {

t.Fatal(err)

}

var fixture struct {

CompletionAt int64 `json:"completion_at"`

MaxAttempts int `json:"max_attempts"`

DeadlineMS int64 `json:"deadline_ms"`

Cases []struct {

ID string `json:"id"`

At int64 `json:"at"`

Attempts int `json:"attempts"`

Effects string `json:"effects"`

Disposition string `json:"disposition"`

Receipt string `json:"receipt"`

Expected string `json:"expected"`

} `json:"cases"`

}

if err := json.Unmarshal(data, &fixture); err != nil {

t.Fatal(err)

}

commits, assignment := boundAssignment(t, func(policy *Policy) {

pool := policy.Pools["default"]

pool.Reconciliation.MaxAttempts = fixture.MaxAttempts

pool.Reconciliation.DeadlineMS = fixture.DeadlineMS

policy.Pools["default"] = pool

})

commits = finishMember(t, commits, assignment, 0, "completed", fixture.CompletionAt)

state, err := Replay(commits)

if err != nil {

t.Fatal(err)

}

node, nodeErr := exec.LookPath("node")

if nodeErr != nil {

t.Log("JavaScript deadline parity tooling unavailable; native independent fixtures still run")

}

for _, test := range fixture.Cases {

t.Run(test.ID, func(t *testing.T) {

evidence := terminalFor(state, assignment)

evidence.Attempts, evidence.Effects, evidence.Receipt = test.Attempts, test.Effects, test.Receipt

actor := testActor("reconciler")

request, err := NewRequest(test.ID, "delivery_failure", actor, OperationsParameters{

Operations: []Operation{mustOp(t, map[string]any{

"kind": "DeliveryFailure", "work_id": assignment.Claims[0].WorkID,

"claim_id": assignment.Claims[0].ClaimID,

"completion_id": state.Works[assignment.Claims[0].WorkID].CompletionID,

"reason": "delivery_verification_exhausted", "disposition": test.Disposition,

"evidence": evidence,

})},

})

if err != nil {

t.Fatal(err)

}

var parameters OperationsParameters

if err := json.Unmarshal(request.Parameters, &parameters); err != nil {

t.Fatal(err)

}

commit := QueueCommit{

Version: 3, ID: "failure-" + test.ID, Previous: &state.Tip,

Request: request, Actor: actor, PolicyEpoch: state.PolicyEpoch,

At: test.At, Operations: parameters.Operations,

}

candidate := append(slices.Clone(commits), commit)

native, replayErr := Replay(candidate)

code := "allowed"

if replayErr != nil {

code, _, _ = strings.Cut(replayErr.Error(), ":")

}

if code != test.Expected {

t.Fatalf("native expected %s; got %s (%v)", test.Expected, code, replayErr)

}

if replayErr == nil {

work := native.Works[assignment.Claims[0].WorkID]

if work.State != "completed" || work.Barrier != "failed" ||

work.Disposition != test.Disposition || native.Stats.Dispatches != 1 ||

native.Claims[assignment.Claims[1].ClaimID].State != "open" {

t.Fatal("deadline failure changed ownership, native reservation or sibling state")

}

}

if nodeErr != nil {

return

}

ledger, err := Serialize(candidate)

if err != nil {

t.Fatal(err)

}

input, err := json.Marshal(map[string]any{

"action": "replay", "data": string(ledger), "pool": "default",

"at": test.At, "include_canonical": true,

"parameters": DispatchParameters{Pool: "default", MaxClaims: 1, MaxDispatches: 1, MaxBytes: 48 << 10},

"request_id": "deadline-probe", "commit_id": "deadline-probe-commit",

})

if err != nil {

t.Fatal(err)

}

ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)

defer cancel()

command := exec.CommandContext(ctx, node, "../../specs/work-queue/native_probe.cjs")

command.Stdin = bytes.NewReader(append(input, '\n'))

var stderr bytes.Buffer

command.Stderr = &stderr

output, err := command.Output()

if err != nil {

t.Fatalf("JavaScript deadline parity: %v\n%s", err, stderr.String())

}

var response struct {

Error string `json:"error"`

Projection json.RawMessage `json:"projection"`

Canonical string `json:"canonical_ledger"`

}

if err := json.Unmarshal(output, &response); err != nil {

t.Fatal(err)

}

jsCode := "allowed"

if response.Error != "" {

jsCode, _, _ = strings.Cut(response.Error, ":")

}

if jsCode != test.Expected {

t.Fatalf("JavaScript expected %s; got %s (%s)", test.Expected, jsCode, response.Error)

}

if replayErr == nil {

expected, err := canonicalValue(native)

if err != nil {

t.Fatal(err)

}

actual, err := Canonical(response.Projection)

if err != nil {

t.Fatal(err)

}

if !bytes.Equal(expected, actual) || response.Canonical != string(ledger) {

t.Fatal("deadline settlement changed complete native projection or canonical ledger")

}

}

})

}

}

func TestNativeExpiredDeliveryDeadlineDoesNotRestartOrRelease(t *testing.T) {

for _, test := range []struct {

status string

verifier bool

}{

{"completed", true},

{"completed", false},

{"in_progress", true},

{"in_progress", false},

} {

name := test.status

if !test.verifier {

name += "-verifier-unavailable"

}

t.Run(name, func(t *testing.T) {

branch, mock := newQueueAPI(t)

commits, assignment := boundAssignment(t)

commits = finishMember(t, commits, assignment, 0, "completed")

installMockLog(t, mock, commits)

configureNativeRun(mock, assignment)

mock.nativeRun.Status = test.status

if test.status != "completed" {

mock.nativeRun.Conclusion = ""

}

if test.verifier {

branch.DeliveryVerifier = func(context.Context, Projection, ClaimState) (DeliveryVerification, error) {

t.Fatal("expired Completion deadline restarted verification polling")

return DeliveryVerification{}, nil

}

}

recovery, err := branch.RecoverDelivery(context.Background(), assignment.Claims[0].WorkID, "expired-delivery")

if err != nil || recovery.Attempts != 0 {

t.Fatalf("expired deadline recovery failed: %+v %v", recovery, err)

}

if test.status == "completed" {

if recovery.Publication == nil || recovery.Reason != "delivery_failed_unknown" {

t.Fatalf("terminal deadline exhaustion did not conservatively settle: %+v", recovery)

}

} else if recovery.Publication != nil || recovery.Reason != "delivery_unresolved" || mock.refWrites != 0 {

t.Fatalf("deadline replaced positive native terminal proof: %+v", recovery)

}

latest, err := branch.Read(context.Background())

if err != nil {

t.Fatal(err)

}

state, err := Replay(latest)

if err != nil || state.Stats.Dispatches != 1 || state.Stats.Completed != 1 ||

state.Claims[assignment.Claims[1].ClaimID].State != "open" {

t.Fatalf("deadline released native capacity or changed original sibling ownership: %v", err)

}

work := state.Works[assignment.Claims[0].WorkID]

if test.status == "completed" {

if work.Barrier != "failed" || work.Disposition != "unknown" {

t.Fatal("missing receipt became positive no-effects proof")

}

tip := latest[len(latest)-1]

if len(tip.Operations) != 1 || mustOperationKind(t, tip.Operations[0]) != "DeliveryFailure" {

t.Fatal("expired recovery published Result, Release or unrelated operations")

}

var failure struct {

Evidence Evidence `json:"evidence"`

}

if err := json.Unmarshal(tip.Operations[0], &failure); err != nil {

t.Fatal(err)

}

if failure.Evidence.Kind != "terminal_run" || failure.Evidence.RunAttempt != 1 ||

failure.Evidence.Attempts != 0 || failure.Evidence.Effects != "unknown" ||

failure.Evidence.Receipt != "" {

t.Fatal("expiry invented verification attempts, effects or non-original terminal proof")

}

} else if work.Barrier != "pending" {

t.Fatal("nonterminal native run lost its pending delivery barrier")

}

})

}

}