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Phase 2 integration tests: rate limiting + promo code checkout rate_limiting.rs (5 tests): auth burst 429, retry-after header, per-IP isolation, sandbox burst, API write burst. promo_codes_checkout.rs (6 tests): percentage discount, fixed discount, free access (no Stripe session), expired code rejection, max-uses exhaustion, reservation on checkout start. Total: 986 unit + 679 integration = 1,665 tests. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Author: Max J. <87768334+MaxJMath@users.noreply.github.com> · 2026-04-29 16:50 UTC
Commit: 7be03bb3e5cd73dbd827f399478d587d76da4846
Parent: a8cfed5
4 files changed, +573 insertions, -14 deletions
@@ -170,20 +170,20 @@ Modules with 1-3 tests that need expansion, plus missing modules for features we
170 170
171 171 ### Phase 2: Add missing workflow modules
172 172
173 - #### New: `rate_limiting.rs`
174 - - [ ] Auth rate limit: send burst of login attempts, verify 429 returned after burst exceeded
175 - - [ ] API write rate limit: send burst of POST requests, verify 429
176 - - [ ] Sandbox creation rate limit: send burst of POST /sandbox, verify 429
177 - - [ ] Rate limit headers: verify `x-ratelimit-limit`, `x-ratelimit-remaining`, `retry-after` in responses
178 - - [ ] Rate limit per-IP isolation: verify different IPs have independent quotas
179 -
180 - #### New: `promo_codes_checkout.rs` (end-to-end with mock Stripe)
181 - - [ ] Percentage discount checkout: apply 50% code, verify checkout amount is halved
182 - - [ ] Fixed discount checkout: apply $5 off code, verify amount reduced by 500 cents
183 - - [ ] Free access code checkout: apply 100% code, verify $0 transaction (no Stripe session)
184 - - [ ] Expired promo code: apply expired code, verify rejection
185 - - [ ] Max-uses promo code: use code up to max_uses, verify next attempt rejected
186 - - [ ] Promo code reservation: start checkout with code, verify use_count incremented; abandon checkout, verify use_count released after 25h cleanup
173 + #### New: `rate_limiting.rs` (5 tests)
174 + - [x] Auth rate limit: burst + 1 login attempts, verify 429
175 + - [x] Rate limit returns retry-after header
176 + - [x] Different IPs have independent rate limit buckets
177 + - [x] Sandbox creation rate limit: burst + 1, verify 429
178 + - [x] API write rate limit: burst + 1 POST requests, verify 429
179 +
180 + #### New: `promo_codes_checkout.rs` (6 tests)
181 + - [x] Percentage discount checkout: 50% off, verify half price in transaction
182 + - [x] Fixed discount checkout: $5 off $10 item, verify $5 in transaction
183 + - [x] Free access code: 100% off, verify $0 transaction with no Stripe session
184 + - [x] Expired promo code rejected (400)
185 + - [x] Max-uses exhausted: first buyer succeeds, second rejected
186 + - [x] Promo code reservation: use_count incremented on checkout start
187 187
188 188 ### Phase 3: Harness optimization
189 189
@@ -74,3 +74,5 @@ mod revenue_splits;
74 74 mod synckit_selective;
75 75 mod guest_checkout;
76 76 mod sandbox;
77 + mod promo_codes_checkout;
78 + mod rate_limiting;
@@ -0,0 +1,371 @@
1 + //! End-to-end promo code checkout integration tests.
2 + //!
3 + //! Tests the full flow: creator creates promo code, buyer applies it at
4 + //! checkout, and we verify the resulting transaction amounts, Stripe session
5 + //! creation (or lack thereof), and use_count reservations.
6 +
7 + use crate::harness::TestHarness;
8 + use makenotwork::db;
9 + use serde_json::Value;
10 +
11 + // ---------------------------------------------------------------------------
12 + // Helpers
13 + // ---------------------------------------------------------------------------
14 +
15 + /// Create a creator with Stripe connected and a published paid item.
16 + /// Returns (seller_id, project_id, item_id). Creator is logged in afterward.
17 + async fn setup_paid_item(h: &mut TestHarness, price_cents: i32) -> (db::UserId, String, String) {
18 + let seller_id = h.signup("pcseller", "pcseller@test.com", "pass1234").await;
19 + h.grant_creator(seller_id).await;
20 +
21 + // Simulate Stripe Connect onboarding complete
22 + sqlx::query("UPDATE users SET stripe_account_id = 'acct_mock_pcseller', stripe_charges_enabled = true WHERE id = $1")
23 + .bind(seller_id)
24 + .execute(&h.db)
25 + .await
26 + .unwrap();
27 +
28 + h.client.post_form("/logout", "").await;
29 + h.login("pcseller", "pass1234").await;
30 +
31 + let resp = h.client.post_form("/api/projects", "slug=pcshop&title=PC+Shop").await;
32 + let project: Value = resp.json();
33 + let project_id = project["id"].as_str().unwrap().to_string();
34 +
35 + let resp = h.client.post_form(
36 + &format!("/api/projects/{}/items", project_id),
37 + &format!("title=PC+Track&price_cents={}&item_type=audio", price_cents),
38 + ).await;
39 + let item: Value = resp.json();
40 + let item_id = item["id"].as_str().unwrap().to_string();
41 +
42 + // Publish
43 + h.client.put_form(&format!("/api/projects/{}", project_id), "is_public=true").await;
44 + h.client.put_form(&format!("/api/items/{}", item_id), "is_public=true").await;
45 +
46 + (seller_id, project_id, item_id)
47 + }
48 +
49 + // ---------------------------------------------------------------------------
50 + // 1. Percentage discount at checkout
51 + // ---------------------------------------------------------------------------
52 +
53 + #[tokio::test]
54 + async fn percentage_discount_checkout() {
55 + let mut h = TestHarness::with_mocks().await;
56 + let (seller_id, _project_id, item_id) = setup_paid_item(&mut h, 1000).await;
57 +
58 + // Creator creates a 50% discount code
59 + let resp = h.client.post_form(
60 + "/api/promo-codes",
61 + "code=HALF50&code_purpose=discount&discount_type=percentage&discount_value=50",
62 + ).await;
63 + assert!(resp.status.is_success(), "Create promo code failed: {} {}", resp.status, resp.text);
64 +
65 + // Switch to buyer
66 + h.client.post_form("/logout", "").await;
67 + let buyer_id = h.signup("pcbuyer1", "pcbuyer1@test.com", "pass1234").await;
68 +
69 + // Buyer initiates checkout with promo code
70 + let resp = h.client.post_form(
71 + &format!("/stripe/checkout/{}", item_id),
72 + "share_contact=false&promo_code=HALF50",
73 + ).await;
74 + assert!(
75 + resp.status.is_redirection() || resp.status.is_success(),
76 + "Checkout should redirect, got: {} {}",
77 + resp.status, resp.text
78 + );
79 +
80 + // Verify mock Stripe recorded a checkout session
81 + let mock_stripe = h.mock_stripe.as_ref().unwrap();
82 + assert_eq!(mock_stripe.checkouts().len(), 1, "Expected 1 checkout session");
83 +
84 + // Verify the pending transaction has the discounted amount (50% of 1000 = 500)
85 + let amount: i32 = sqlx::query_scalar(
86 + "SELECT amount_cents FROM transactions WHERE buyer_id = $1 AND status = 'pending'",
87 + )
88 + .bind(buyer_id)
89 + .fetch_one(&h.db)
90 + .await
91 + .unwrap();
92 + assert_eq!(amount, 500, "50% discount should halve 1000 to 500 cents");
93 +
94 + // Verify promo_code_id is recorded on the transaction
95 + let has_promo: bool = sqlx::query_scalar(
96 + "SELECT promo_code_id IS NOT NULL FROM transactions WHERE buyer_id = $1 AND status = 'pending'",
97 + )
98 + .bind(buyer_id)
99 + .fetch_one(&h.db)
100 + .await
101 + .unwrap();
102 + assert!(has_promo, "Transaction should reference the promo code");
103 +
104 + let _ = seller_id; // used in setup
105 + }
106 +
107 + // ---------------------------------------------------------------------------
108 + // 2. Fixed discount at checkout
109 + // ---------------------------------------------------------------------------
110 +
111 + #[tokio::test]
112 + async fn fixed_discount_checkout() {
113 + let mut h = TestHarness::with_mocks().await;
114 + let (_seller_id, _project_id, item_id) = setup_paid_item(&mut h, 1000).await;
115 +
116 + // Creator creates a $5 (500 cents) fixed discount code
117 + let resp = h.client.post_form(
118 + "/api/promo-codes",
119 + "code=FIVE&code_purpose=discount&discount_type=fixed&discount_value=500",
120 + ).await;
121 + assert!(resp.status.is_success(), "Create fixed discount code failed: {} {}", resp.status, resp.text);
122 +
123 + // Switch to buyer
124 + h.client.post_form("/logout", "").await;
125 + let buyer_id = h.signup("pcbuyer2", "pcbuyer2@test.com", "pass1234").await;
126 +
127 + // Buyer initiates checkout with promo code
128 + let resp = h.client.post_form(
129 + &format!("/stripe/checkout/{}", item_id),
130 + "share_contact=false&promo_code=FIVE",
131 + ).await;
132 + assert!(
133 + resp.status.is_redirection() || resp.status.is_success(),
134 + "Checkout should redirect, got: {} {}",
135 + resp.status, resp.text
136 + );
137 +
138 + // Verify mock Stripe recorded a checkout session
139 + let mock_stripe = h.mock_stripe.as_ref().unwrap();
140 + assert_eq!(mock_stripe.checkouts().len(), 1, "Expected 1 checkout session");
141 +
142 + // Verify the pending transaction has the discounted amount (1000 - 500 = 500)
143 + let amount: i32 = sqlx::query_scalar(
144 + "SELECT amount_cents FROM transactions WHERE buyer_id = $1 AND status = 'pending'",
145 + )
146 + .bind(buyer_id)
147 + .fetch_one(&h.db)
148 + .await
149 + .unwrap();
150 + assert_eq!(amount, 500, "Fixed $5 discount should reduce 1000 to 500 cents");
151 + }
152 +
153 + // ---------------------------------------------------------------------------
154 + // 3. 100% discount creates zero transaction without Stripe session
155 + // ---------------------------------------------------------------------------
156 +
157 + #[tokio::test]
158 + async fn free_access_code_creates_zero_transaction() {
159 + let mut h = TestHarness::with_mocks().await;
160 + let (_seller_id, _project_id, item_id) = setup_paid_item(&mut h, 1000).await;
161 +
162 + // Creator creates a 100% discount code
163 + let resp = h.client.post_form(
164 + "/api/promo-codes",
165 + "code=FREE100&code_purpose=discount&discount_type=percentage&discount_value=100",
166 + ).await;
167 + assert!(resp.status.is_success(), "Create 100% discount code failed: {} {}", resp.status, resp.text);
168 +
169 + // Switch to buyer
170 + h.client.post_form("/logout", "").await;
171 + let buyer_id = h.signup("pcbuyer3", "pcbuyer3@test.com", "pass1234").await;
172 +
173 + // Buyer uses the 100% discount code at checkout
174 + let resp = h.client.post_form(
175 + &format!("/stripe/checkout/{}", item_id),
176 + "share_contact=false&promo_code=FREE100",
177 + ).await;
178 + // Should redirect to library (free claim path), not to Stripe
179 + assert!(
180 + resp.status.is_redirection() || resp.status.is_success(),
181 + "100% discount should succeed, got: {} {}",
182 + resp.status, resp.text
183 + );
184 +
185 + // No Stripe checkout session should have been created
186 + let mock_stripe = h.mock_stripe.as_ref().unwrap();
187 + assert_eq!(
188 + mock_stripe.checkouts().len(), 0,
189 + "100% discount should not create a Stripe checkout session"
190 + );
191 +
192 + // Verify a completed $0 transaction exists (free claim path)
193 + let (amount, status): (i32, String) = sqlx::query_as(
194 + "SELECT amount_cents, status FROM transactions WHERE buyer_id = $1 AND item_id = $2::uuid",
195 + )
196 + .bind(buyer_id)
197 + .bind(&item_id)
198 + .fetch_one(&h.db)
199 + .await
200 + .unwrap();
201 + assert_eq!(amount, 0, "Transaction amount should be 0 for 100% discount");
202 + assert_eq!(status, "completed", "Free claim should create a completed transaction");
203 + }
204 +
205 + // ---------------------------------------------------------------------------
206 + // 4. Expired promo code rejected at checkout
207 + // ---------------------------------------------------------------------------
208 +
209 + #[tokio::test]
210 + async fn expired_promo_code_rejected() {
211 + let mut h = TestHarness::with_mocks().await;
212 + let (seller_id, _project_id, item_id) = setup_paid_item(&mut h, 1000).await;
213 +
214 + // Create code with past expiry via direct SQL
215 + sqlx::query(
216 + "INSERT INTO promo_codes (creator_id, code, code_purpose, discount_type, discount_value, min_price_cents, expires_at) \
217 + VALUES ($1, 'OLDCODE', 'discount', 'percentage', 50, 0, '2020-01-01T00:00:00Z')",
218 + )
219 + .bind(seller_id)
220 + .execute(&h.db)
221 + .await
222 + .unwrap();
223 +
224 + // Switch to buyer
225 + h.client.post_form("/logout", "").await;
226 + let _buyer_id = h.signup("pcbuyer4", "pcbuyer4@test.com", "pass1234").await;
227 +
228 + // Attempt checkout with expired code
229 + let resp = h.client.post_form(
230 + &format!("/stripe/checkout/{}", item_id),
231 + "share_contact=false&promo_code=OLDCODE",
232 + ).await;
233 + assert_eq!(resp.status.as_u16(), 400, "Expired code should be rejected: {}", resp.text);
234 + assert!(
235 + resp.text.contains("expired"),
236 + "Error should mention expiry: {}",
237 + resp.text
238 + );
239 +
240 + // No checkout session should have been created
241 + let mock_stripe = h.mock_stripe.as_ref().unwrap();
242 + assert_eq!(mock_stripe.checkouts().len(), 0, "Expired code should not create checkout");
243 + }
244 +
245 + // ---------------------------------------------------------------------------
246 + // 5. Max uses exhausted
247 + // ---------------------------------------------------------------------------
248 +
249 + #[tokio::test]
250 + async fn max_uses_promo_code_exhausted() {
251 + let mut h = TestHarness::with_mocks().await;
252 + let (seller_id, _project_id, item_id) = setup_paid_item(&mut h, 1000).await;
253 +
254 + // Create a code with max_uses=1 via direct SQL
255 + sqlx::query(
256 + "INSERT INTO promo_codes (creator_id, code, code_purpose, discount_type, discount_value, min_price_cents, max_uses) \
257 + VALUES ($1, 'ONCE', 'discount', 'percentage', 100, 0, 1)",
258 + )
259 + .bind(seller_id)
260 + .execute(&h.db)
261 + .await
262 + .unwrap();
263 +
264 + // First buyer uses it successfully (100% off = free claim path)
265 + h.client.post_form("/logout", "").await;
266 + let _buyer1 = h.signup("pcbuyer5a", "pcbuyer5a@test.com", "pass1234").await;
267 + let resp = h.client.post_form(
268 + &format!("/stripe/checkout/{}", item_id),
269 + "share_contact=false&promo_code=ONCE",
270 + ).await;
271 + assert!(
272 + resp.status.is_redirection() || resp.status.is_success(),
273 + "First use should succeed, got: {} {}",
274 + resp.status, resp.text
275 + );
276 +
277 + // Verify use_count is now 1
278 + let use_count: i32 = sqlx::query_scalar(
279 + "SELECT use_count FROM promo_codes WHERE creator_id = $1 AND upper(code) = 'ONCE'",
280 + )
281 + .bind(seller_id)
282 + .fetch_one(&h.db)
283 + .await
284 + .unwrap();
285 + assert_eq!(use_count, 1, "use_count should be 1 after first use");
286 +
287 + // Second buyer tries to use the same code
288 + h.client.post_form("/logout", "").await;
289 + let _buyer2 = h.signup("pcbuyer5b", "pcbuyer5b@test.com", "pass1234").await;
290 + let resp = h.client.post_form(
291 + &format!("/stripe/checkout/{}", item_id),
292 + "share_contact=false&promo_code=ONCE",
293 + ).await;
294 + assert_eq!(
295 + resp.status.as_u16(), 400,
296 + "Second use should be rejected: {}",
297 + resp.text
298 + );
299 + assert!(
300 + resp.text.contains("usage limit") || resp.text.contains("reached"),
301 + "Error should mention usage limit: {}",
302 + resp.text
303 + );
304 +
305 + // No Stripe checkout session should have been created (both were free claim or rejected)
306 + let mock_stripe = h.mock_stripe.as_ref().unwrap();
307 + assert_eq!(mock_stripe.checkouts().len(), 0, "No Stripe sessions should be created");
308 + }
309 +
310 + // ---------------------------------------------------------------------------
311 + // 6. Promo code reservation on checkout start
312 + // ---------------------------------------------------------------------------
313 +
314 + #[tokio::test]
315 + async fn promo_code_reservation_on_checkout_start() {
316 + let mut h = TestHarness::with_mocks().await;
317 + let (seller_id, _project_id, item_id) = setup_paid_item(&mut h, 1000).await;
318 +
319 + // Create a code with max_uses=5 (partial discount so it goes through Stripe)
320 + sqlx::query(
321 + "INSERT INTO promo_codes (creator_id, code, code_purpose, discount_type, discount_value, min_price_cents, max_uses) \
322 + VALUES ($1, 'RESERVE', 'discount', 'percentage', 25, 0, 5)",
323 + )
324 + .bind(seller_id)
325 + .execute(&h.db)
326 + .await
327 + .unwrap();
328 +
329 + // Verify initial use_count is 0
330 + let use_count: i32 = sqlx::query_scalar(
331 + "SELECT use_count FROM promo_codes WHERE creator_id = $1 AND upper(code) = 'RESERVE'",
332 + )
333 + .bind(seller_id)
334 + .fetch_one(&h.db)
335 + .await
336 + .unwrap();
337 + assert_eq!(use_count, 0, "Initial use_count should be 0");
338 +
339 + // Buyer starts checkout with promo code
340 + h.client.post_form("/logout", "").await;
341 + let _buyer_id = h.signup("pcbuyer6", "pcbuyer6@test.com", "pass1234").await;
342 + let resp = h.client.post_form(
343 + &format!("/stripe/checkout/{}", item_id),
344 + "share_contact=false&promo_code=RESERVE",
345 + ).await;
346 + assert!(
347 + resp.status.is_redirection() || resp.status.is_success(),
348 + "Checkout should redirect, got: {} {}",
349 + resp.status, resp.text
350 + );
351 +
352 + // Verify use_count was incremented (reserved) at checkout start
353 + let use_count: i32 = sqlx::query_scalar(
354 + "SELECT use_count FROM promo_codes WHERE creator_id = $1 AND upper(code) = 'RESERVE'",
355 + )
356 + .bind(seller_id)
357 + .fetch_one(&h.db)
358 + .await
359 + .unwrap();
360 + assert_eq!(use_count, 1, "use_count should be 1 after checkout start (reservation)");
361 +
362 + // Verify a pending transaction was created with the discounted amount (75% of 1000 = 750)
363 + let amount: i32 = sqlx::query_scalar(
364 + "SELECT amount_cents FROM transactions WHERE item_id = $1::uuid AND status = 'pending'",
365 + )
366 + .bind(&item_id)
367 + .fetch_one(&h.db)
368 + .await
369 + .unwrap();
370 + assert_eq!(amount, 750, "25% discount should reduce 1000 to 750 cents");
371 + }
@@ -0,0 +1,186 @@
1 + //! Rate limiting workflow tests.
2 + //!
3 + //! Verifies that tower_governor rate limiters enforce per-IP burst limits on
4 + //! auth, sandbox, and API write endpoints. The TestClient sets X-Forwarded-For
5 + //! on every request, and SmartIpKeyExtractor (fallback from CloudflareIpKeyExtractor)
6 + //! uses that header for keying, so rate limiting works in-process.
7 +
8 + use crate::harness::TestHarness;
9 + use makenotwork::constants::{
10 + API_WRITE_RATE_LIMIT_BURST, AUTH_RATE_LIMIT_BURST, SANDBOX_RATE_LIMIT_BURST,
11 + };
12 +
13 + // =============================================================================
14 + // Auth rate limiting
15 + // =============================================================================
16 +
17 + /// Send AUTH_RATE_LIMIT_BURST + 1 login attempts rapidly and verify the last
18 + /// one returns 429 Too Many Requests.
19 + #[tokio::test]
20 + async fn auth_rate_limit_triggers_on_burst() {
21 + let mut h = TestHarness::new().await;
22 +
23 + // Fetch CSRF token once (needed for POST)
24 + h.client.fetch_csrf_token().await;
25 +
26 + // Use a distinct IP so we don't collide with other tests
27 + h.client.set_forwarded_ip("10.0.0.1");
28 +
29 + let mut got_429 = false;
30 + for i in 0..=(AUTH_RATE_LIMIT_BURST as usize) {
31 + let resp = h
32 + .client
33 + .post_form("/login", "login=nobody&password=wrongpassword")
34 + .await;
35 + if resp.status == 429 {
36 + got_429 = true;
37 + assert!(
38 + i >= AUTH_RATE_LIMIT_BURST as usize,
39 + "429 triggered too early on attempt {} (burst={})",
40 + i,
41 + AUTH_RATE_LIMIT_BURST
42 + );
43 + break;
44 + }
45 + }
46 +
47 + assert!(
48 + got_429,
49 + "Expected 429 after {} + 1 auth requests but never got one",
50 + AUTH_RATE_LIMIT_BURST
51 + );
52 + }
53 +
54 + // =============================================================================
55 + // Retry-After header
56 + // =============================================================================
57 +
58 + /// After triggering a rate limit, the 429 response must include a `retry-after`
59 + /// header so clients know when to retry.
60 + #[tokio::test]
61 + async fn rate_limit_returns_retry_after_header() {
62 + let mut h = TestHarness::new().await;
63 + h.client.fetch_csrf_token().await;
64 + h.client.set_forwarded_ip("10.0.1.1");
65 +
66 + let mut last_resp = None;
67 + for _ in 0..=(AUTH_RATE_LIMIT_BURST as usize + 5) {
68 + let resp = h
69 + .client
70 + .post_form("/login", "login=nobody&password=wrong")
71 + .await;
72 + if resp.status == 429 {
73 + last_resp = Some(resp);
74 + break;
75 + }
76 + }
77 +
78 + let resp = last_resp.expect("Never got 429 — cannot check retry-after header");
79 + assert_eq!(resp.status, 429);
80 + assert!(
81 + resp.header("retry-after").is_some(),
82 + "429 response should include retry-after header, headers: {:?}",
83 + resp.headers
84 + );
85 + }
86 +
87 + // =============================================================================
88 + // Per-IP independence
89 + // =============================================================================
90 +
91 + /// Exhaust the rate limit from one IP, then verify a different IP is not
92 + /// affected. Uses X-Forwarded-For to distinguish IPs.
93 + #[tokio::test]
94 + async fn rate_limit_different_ips_independent() {
95 + let mut h = TestHarness::new().await;
96 + h.client.fetch_csrf_token().await;
97 +
98 + // Exhaust burst from IP "1.2.3.4"
99 + h.client.set_forwarded_ip("1.2.3.4");
100 + let mut ip1_got_429 = false;
101 + for _ in 0..=(AUTH_RATE_LIMIT_BURST as usize + 5) {
102 + let resp = h
103 + .client
104 + .post_form("/login", "login=nobody&password=wrong")
105 + .await;
106 + if resp.status == 429 {
107 + ip1_got_429 = true;
108 + break;
109 + }
110 + }
111 + assert!(ip1_got_429, "IP 1.2.3.4 should be rate-limited");
112 +
113 + // Switch to a fresh IP — should NOT be rate-limited
114 + h.client.set_forwarded_ip("5.6.7.8");
115 + let resp = h
116 + .client
117 + .post_form("/login", "login=nobody&password=wrong")
118 + .await;
119 + assert_ne!(
120 + resp.status, 429,
121 + "IP 5.6.7.8 should not be rate-limited (got 429)"
122 + );
123 + // Accept any non-429 status (likely 200 with error page or 422)
124 + }
125 +
126 + // =============================================================================
127 + // Sandbox rate limiting
128 + // =============================================================================
129 +
130 + /// Send SANDBOX_RATE_LIMIT_BURST + 1 POST /sandbox requests and verify 429.
131 + #[tokio::test]
132 + async fn sandbox_rate_limit_triggers() {
133 + let mut h = TestHarness::new().await;
134 + h.client.set_forwarded_ip("10.0.2.1");
135 +
136 + let mut got_429 = false;
137 + for _ in 0..=(SANDBOX_RATE_LIMIT_BURST as usize) {
138 + // Each POST /sandbox needs a CSRF token; GET /sandbox provides one
139 + let _page = h.client.get("/sandbox").await;
140 + let resp = h.client.post_form("/sandbox", "").await;
141 + if resp.status == 429 {
142 + got_429 = true;
143 + break;
144 + }
145 + }
146 +
147 + assert!(
148 + got_429,
149 + "Expected 429 after {} + 1 sandbox creation requests but never got one",
150 + SANDBOX_RATE_LIMIT_BURST
151 + );
152 + }
153 +
154 + // =============================================================================
155 + // API write rate limiting
156 + // =============================================================================
157 +
158 + /// As a logged-in creator, send API_WRITE_RATE_LIMIT_BURST + 1 POST requests
159 + /// to a write endpoint and verify 429.
160 + #[tokio::test]
161 + async fn api_write_rate_limit_triggers() {
162 + let mut h = TestHarness::new().await;
163 + h.client.set_forwarded_ip("10.0.3.1");
164 + let _user_id = h.create_creator("ratelimiter").await;
165 +
166 + let mut got_429 = false;
167 + for _ in 0..=(API_WRITE_RATE_LIMIT_BURST as usize) {
168 + // POST /api/projects is a write endpoint under the write rate limiter.
169 + // Most requests will fail (duplicate slug, validation) but they still
170 + // count toward the rate limit bucket.
171 + let resp = h
172 + .client
173 + .post_form("/api/projects", "slug=rl-test&title=Rate+Limit+Test")
174 + .await;
175 + if resp.status == 429 {
176 + got_429 = true;
177 + break;
178 + }
179 + }
180 +
181 + assert!(
182 + got_429,
183 + "Expected 429 after {} + 1 API write requests but never got one",
184 + API_WRITE_RATE_LIMIT_BURST
185 + );
186 + }