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test(x402-buyer): make ConfirmSpendFailure test work under uid 0 #373

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Merged
bussyjd merged 1 commit into from
Apr 23, 2026
+9 −5
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test(x402-buyer): make ConfirmSpendFailure test work under uid 0 #373

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14 changes: 9 additions & 5 deletions internal/x402/buyer/proxy_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1831,17 +1831,21 @@ func TestProxy_UpstreamSuccessWithSettlementHeader_DoesNotIncrementUnsettledMetr

func TestProxy_ConfirmSpendFailure_IncrementsMetric(t *testing.T) {
dir := t.TempDir()
stateDir := filepath.Join(dir, "state")
if err := os.MkdirAll(stateDir, 0o500); err != nil {
t.Fatalf("mkdir state dir: %v", err)
}
statePath := filepath.Join(stateDir, "consumed.json")
statePath := filepath.Join(dir, "consumed.json")

st, err := LoadStateStore(statePath)
if err != nil {
t.Fatalf("LoadStateStore: %v", err)
}

// Force StateStore.writeLocked to fail deterministically by pre-creating
// the target state path as a directory: os.Rename(tmpfile, dir) returns
// EISDIR, which root cannot bypass. The previous 0o500-dir approach was
// silently skipped under CAP_DAC_OVERRIDE when tests run as uid 0.
if err := os.Mkdir(statePath, 0o755); err != nil {
t.Fatalf("block state path: %v", err)
}

upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Header.Get("X-Payment") == "" {
w.Header().Set("Content-Type", "application/json")
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