1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
package billing
import (
"context"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"os"
"strings"
"testing"
"time"
"aigw/internal/controlplane"
"aigw/internal/domain"
"github.com/stripe/stripe-go/v86"
"github.com/stripe/stripe-go/v86/webhook"
)
func TestUsageCostUsesFixedPointAndRoundsOnce(t *testing.T) {
usage := domain.Usage{InputTokens: 3, OutputTokens: 2, CacheReadInputTokens: 5}
cost, err := usageCost(usage, 150_000, 600_000, 30_000, 0)
if err != nil {
t.Fatal(err)
}
// (3*150000 + 2*600000 + 5*30000) / 1e6 = 1.8 micros.
if cost != 2 {
t.Fatalf("cost = %d, want 2", cost)
}
}
func TestReservationUsesExplicitOutputLimit(t *testing.T) {
model := domain.Model{InputPriceMicrosPerMillion: 1_000_000, OutputPriceMicrosPerMillion: 1_000_000}
body := []byte(`{"max_tokens":8192}`)
cost, err := reservationCost(model, body, 4096)
if err != nil {
t.Fatal(err)
}
want := int64(len(body)) + 8192
if cost != want {
t.Fatalf("reservation = %d, want %d", cost, want)
}
}
func TestMinorToMicrosSupportsCurrencyExponents(t *testing.T) {
tests := []struct {
currency string
minor int64
want int64
}{{"usd", 123, 1_230_000}, {"jpy", 123, 123_000_000}, {"bhd", 123, 123_000}}
for _, test := range tests {
got, err := minorToMicros(test.currency, test.minor)
if err != nil {
t.Fatalf("%s: %v", test.currency, err)
}
if got != test.want {
t.Fatalf("%s: got %d, want %d", test.currency, got, test.want)
}
}
}
func TestCollectibleChargePreservesOtherReservations(t *testing.T) {
charged, err := collectibleCharge(100, 100, 80, 40)
if err != nil {
t.Fatal(err)
}
if charged != 60 {
t.Fatalf("charged = %d, want 60", charged)
}
if remainingBalance, remainingHeld := int64(100)-charged, int64(80)-40; remainingBalance < remainingHeld {
t.Fatalf("remaining balance %d does not cover held %d", remainingBalance, remainingHeld)
}
}
func TestIntegrationIdentifierSuffixUsesLetters(t *testing.T) {
value := randomLetters(8)
if len(value) != 8 {
t.Fatalf("length = %d", len(value))
}
for _, char := range value {
if char < 'a' || char > 'z' {
t.Fatalf("non-letter suffix %q", value)
}
}
}
func TestWebhookRejectsInvalidSignatureBeforeProcessing(t *testing.T) {
service := &Service{stripeWebhookSecret: "whsec_test"}
request := httptest.NewRequest(http.MethodPost, "/billing/stripe/webhook", strings.NewReader(`{"id":"evt_fake"}`))
request.Header.Set("Stripe-Signature", "invalid")
response := httptest.NewRecorder()
service.WebhookHandler().ServeHTTP(response, request)
if response.Code != http.StatusBadRequest {
t.Fatalf("status = %d, want 400", response.Code)
}
}
func TestStripeWebhookCreditsPaidOrderExactlyOncePostgres(t *testing.T) {
databaseURL := os.Getenv("AIGW_TEST_DATABASE_URL")
if databaseURL == "" {
t.Skip("AIGW_TEST_DATABASE_URL is not set")
}
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
if err := controlplane.MigrateDatabase(ctx, databaseURL); err != nil {
t.Fatal(err)
}
service, err := New(ctx, Options{
DatabaseURL: databaseURL, Currency: "usd", MinTopUpMinor: 500, MaxTopUpMinor: 1_000_000,
StripeEnabled: true, StripeAPIKey: "rk_test_placeholder", StripeWebhookSecret: "whsec_integration_test",
})
if err != nil {
t.Fatal(err)
}
t.Cleanup(service.Close)
var tenantID string
slug := fmt.Sprintf("stripe-%d", time.Now().UnixNano())
if err := service.db.QueryRow(ctx, `INSERT INTO tenants (slug, name) VALUES ($1,'Stripe integration') RETURNING id::text`, slug).Scan(&tenantID); err != nil {
t.Fatal(err)
}
eventID := fmt.Sprintf("evt_aigw_%d", time.Now().UnixNano())
t.Cleanup(func() {
cleanupCtx := context.Background()
for _, statement := range []struct {
query string
arg string
}{
{`DELETE FROM stripe_webhook_events WHERE event_id=$1`, eventID},
{`DELETE FROM billing_ledger WHERE tenant_id=$1`, tenantID},
{`DELETE FROM tenant_wallets WHERE tenant_id=$1`, tenantID},
{`DELETE FROM topup_orders WHERE tenant_id=$1`, tenantID},
{`DELETE FROM tenants WHERE id=$1`, tenantID},
} {
if _, cleanupErr := service.db.Exec(cleanupCtx, statement.query, statement.arg); cleanupErr != nil {
t.Errorf("cleanup Stripe integration data: %v", cleanupErr)
}
}
})
const amountMinor int64 = 2500
orderID, amountMicros, err := service.createTopUpOrder(ctx, CheckoutInput{TenantID: tenantID, AmountMinor: amountMinor})
if err != nil {
t.Fatal(err)
}
sessionID := fmt.Sprintf("cs_test_aigw_%d", time.Now().UnixNano())
payload, err := json.Marshal(map[string]any{
"id": eventID, "object": "event", "api_version": stripe.APIVersion,
"type": string(stripe.EventTypeCheckoutSessionCompleted),
"data": map[string]any{"object": map[string]any{
"id": sessionID, "object": "checkout.session", "client_reference_id": orderID,
"amount_total": amountMinor, "currency": "usd", "payment_status": "paid",
}},
})
if err != nil {
t.Fatal(err)
}
signed := webhook.GenerateTestSignedPayload(&webhook.UnsignedPayload{Payload: payload, Secret: service.stripeWebhookSecret})
for delivery := 0; delivery < 2; delivery++ {
request := httptest.NewRequest(http.MethodPost, "/billing/stripe/webhook", strings.NewReader(string(payload)))
request.Header.Set("Stripe-Signature", signed.Header)
response := httptest.NewRecorder()
service.WebhookHandler().ServeHTTP(response, request)
if response.Code != http.StatusOK {
t.Fatalf("delivery %d status = %d, body = %s", delivery+1, response.Code, response.Body.String())
}
}
var balance int64
if err := service.db.QueryRow(ctx, `SELECT balance_micros FROM tenant_wallets WHERE tenant_id=$1`, tenantID).Scan(&balance); err != nil {
t.Fatal(err)
}
if balance != amountMicros {
t.Fatalf("balance = %d, want %d", balance, amountMicros)
}
var ledgerCount, webhookCount int
var orderStatus string
if err := service.db.QueryRow(ctx, `SELECT count(*) FROM billing_ledger WHERE source_type='stripe_checkout' AND source_id=$1`, sessionID).Scan(&ledgerCount); err != nil {
t.Fatal(err)
}
if err := service.db.QueryRow(ctx, `SELECT count(*) FROM stripe_webhook_events WHERE event_id=$1`, eventID).Scan(&webhookCount); err != nil {
t.Fatal(err)
}
if err := service.db.QueryRow(ctx, `SELECT status FROM topup_orders WHERE id=$1`, orderID).Scan(&orderStatus); err != nil {
t.Fatal(err)
}
if ledgerCount != 1 || webhookCount != 1 || orderStatus != "paid" {
t.Fatalf("ledger=%d webhook=%d order=%s, want 1/1/paid", ledgerCount, webhookCount, orderStatus)
}
}
|
