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feat: Add comprehensive test suite analysis report
Co-authored-by: db2002dominic <db2002dominic@gmail.com>
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# Comprehensive Test Suite Analysis Report
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**Date:** 2024
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**Target Audience:** Senior pytest engineer with full codebase understanding
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**Purpose:** Evaluate test suite effectiveness, identify outdated tests, and highlight missing coverage
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---
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## Executive Summary
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This report analyzes the routstr test suite (27 test files, ~210 test functions) against the current codebase implementation. The analysis reveals:
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- **Outdated Tests:** 15+ tests that no longer match current implementation
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- **Low-Value Tests:** 8+ tests that don't provide meaningful coverage
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- **Missing Coverage:** Critical gaps in reserved balance, cost calculation, model mapping, and admin functionality
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- **Test Quality:** Generally good structure but needs modernization to match recent architectural changes
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---
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## 1. Outdated Tests (No Longer Valid)
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### 1.1 GET Request Billing Tests
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**Files:** `test_proxy_get_endpoints.py`
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**Issue:** Multiple tests assume GET requests are billed, but the current implementation (`proxy.py:191-202`) explicitly allows unauthenticated GET requests without billing.
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**Affected Tests:**
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- `test_proxy_get_billing_verification` (lines 236-277)
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- `test_proxy_get_billing_calculations_match_pricing` (lines 326-365)
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- `test_proxy_get_database_state_verification` (lines 369-416)
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- `test_proxy_get_insufficient_balance` (lines 281-322) - GET requests succeed even with low balance
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**Recommendation:** Remove billing assertions from GET tests or refactor to test actual behavior (GET requests are free).
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**Code Reference:** `proxy.py:191-202` - GET requests bypass authentication and billing
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---
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### 1.2 Reserved Balance Tests
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**Files:** `test_reserved_balance_negative.py`, `test_database_consistency.py`
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**Issue:** Tests reference `reserved_balance` field which exists in the codebase (`auth.py:304-344`) but tests don't properly exercise the reservation/release flow.
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**Affected Tests:**
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- `test_reserved_balance_never_negative` - Tests exist but don't cover concurrent reservation scenarios
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- `test_balance_update_atomicity` - Doesn't test reserved balance atomicity
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**Recommendation:** Update tests to properly test the reserved balance lifecycle:
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1. Reservation during `pay_for_request`
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2. Release/charge during `adjust_payment_for_tokens`
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3. Revert during `revert_pay_for_request`
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**Code Reference:** `auth.py:304-344` (reservation), `auth.py:387-420` (revert), `auth.py:423-662` (adjustment)
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---
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### 1.3 Model Pricing Storage Tests
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**Files:** `test_fee_consistency.py`
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**Issue:** Tests verify pricing is stored without fees, but the current implementation applies provider fees when reading from database (`proxy.py:93-99`, `payment/models.py:_row_to_model`).
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**Affected Tests:**
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- `test_pricing_stored_without_fees` - Correctly tests storage, but misses fee application on read
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- Missing: Tests for provider fee application during model retrieval
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**Recommendation:** Add tests for fee application during model retrieval, not just storage.
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**Code Reference:** `payment/models.py:_row_to_model` applies `provider_fee` multiplier
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---
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### 1.4 Background Task Tests
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**Files:** `test_background_tasks.py`
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**Issue:** Several tests are skipped or test functionality that doesn't exist.
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**Affected Tests:**
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- `test_executes_at_configured_intervals` (line 443) - Skipped, tests timing
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- `test_calculates_payouts_accurately` (line 448) - Tests `periodic_payout` which just logs a warning
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- `test_refund_check_disabled` (line 424) - Commented out, tests disabled functionality
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**Recommendation:**
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- Remove tests for unimplemented features (`periodic_payout`)
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- Implement proper tests for `refresh_model_maps_periodically` (exists in `proxy.py:116-131`)
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**Code Reference:** `proxy.py:116-131` - `refresh_model_maps_periodically` exists but untested
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---
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### 1.5 Provider Management Tests
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**Files:** `test_provider_management.py`
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**Issue:** Tests mock Nostr relay queries but don't test actual NIP-91 parsing logic.
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**Affected Tests:**
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- All tests mock `query_nostr_relay_for_providers` - Should test actual `nip91.py` parsing
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**Recommendation:** Add unit tests for `nip91.py` parsing logic, integration tests can mock relay but should test parser.
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**Code Reference:** `nip91.py` - NIP-91 event parsing logic exists but untested
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---
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## 2. Low-Value Tests (Not Testing Useful Behavior)
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### 2.1 Over-Mocked Integration Tests
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**Files:** `test_proxy_post_endpoints.py`, `test_proxy_get_endpoints.py`
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**Issue:** Tests mock `httpx.AsyncClient.send` so extensively that they don't test actual proxy logic.
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**Affected Tests:**
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- `test_proxy_post_json_payload_forwarding` - Mocks entire upstream response
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- `test_proxy_get_response_streaming` - Mocks streaming, doesn't test actual stream handling
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**Recommendation:** Use real upstream mocks (like the Docker testmint) or test at a higher level. Current tests verify mocks work, not the proxy.
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---
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### 2.2 Trivial Assertion Tests
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**Files:** `test_wallet_authentication.py`
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**Issue:** Some tests just verify basic structure without testing edge cases.
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**Affected Tests:**
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- `test_api_key_generation_valid_token` - Just checks response structure, doesn't test concurrent creation
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- `test_database_timestamp_accuracy` - Tests that key exists, not timestamp accuracy (timestamp field doesn't exist)
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**Recommendation:** Remove trivial tests or enhance them to test actual behavior (concurrency, edge cases).
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---
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### 2.3 Skipped Tests That Should Be Removed
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**Files:** `test_background_tasks.py`, `test_database_consistency.py`
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**Issue:** Tests marked with `@pytest.mark.skip` with reasons like "skipping for CI reliability" - these should either be fixed or removed.
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**Affected Tests:**
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- `test_executes_at_configured_intervals` (line 443)
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- `test_balance_never_negative` (line 382) - Marked skip with "Balance never negative is not implemented"
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**Recommendation:** Remove skipped tests if functionality doesn't exist, or fix them if it does.
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---
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### 2.4 Tests That Don't Match Implementation
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**Files:** `test_proxy_post_insufficient_balance` (line 637)
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**Issue:** Test is skipped with comment "depends on model pricing configuration" but the actual implementation (`auth.py:304-325`) does check balance and raises 402.
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**Recommendation:** Fix and enable this test - it should work with proper model setup.
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---
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## 3. Missing Critical Test Coverage
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### 3.1 Reserved Balance System
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**Priority: CRITICAL**
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**Missing Coverage:**
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- Concurrent reservation race conditions
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- Reservation release during successful requests
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- Reservation revert during failed requests
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- Reserved balance going negative (should be prevented)
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- Multiple concurrent requests with same API key
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**Code to Test:**
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- `auth.py:pay_for_request` (lines 289-384) - Reservation logic
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- `auth.py:revert_pay_for_request` (lines 387-420) - Revert logic
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- `auth.py:adjust_payment_for_tokens` (lines 423-662) - Adjustment logic
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**Recommended Tests:**
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```python
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async def test_concurrent_reservation_prevents_double_spend()
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async def test_reserved_balance_released_on_success()
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async def test_reserved_balance_reverted_on_upstream_failure()
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async def test_reserved_balance_never_negative()
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async def test_multiple_concurrent_requests_same_key()
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```
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---
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### 3.2 Cost Calculation Logic
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**Priority: CRITICAL**
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**Missing Coverage:**
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- `calculate_cost` function (`payment/cost_caculation.py`) - No tests exist
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- Token-based cost calculation
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- Max cost fallback logic
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- Cost adjustment based on actual usage
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- Image token calculation integration with cost
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**Code to Test:**
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- `payment/cost_caculation.py:calculate_cost` - Core cost calculation
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- `auth.py:adjust_payment_for_tokens` - Payment adjustment based on cost
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**Recommended Tests:**
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```python
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async def test_calculate_cost_with_token_usage()
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async def test_calculate_cost_max_cost_fallback()
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async def test_cost_adjustment_refunds_excess()
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async def test_cost_adjustment_charges_additional()
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async def test_cost_calculation_with_image_tokens()
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```
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---
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### 3.3 Model Mapping Algorithm
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**Priority: HIGH**
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**Missing Coverage:**
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- `create_model_mappings` function (`algorithm.py:168-300`) - Only unit tests for helper functions
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- Model override application
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- Disabled model filtering
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- Provider fee application in mappings
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- OpenRouter penalty logic in practice
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**Code to Test:**
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- `algorithm.py:create_model_mappings` - Main mapping function
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- `proxy.py:refresh_model_maps` - Refresh logic
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**Recommended Tests:**
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```python
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async def test_create_model_mappings_with_overrides()
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async def test_create_model_mappings_filters_disabled()
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async def test_model_mapping_applies_provider_fees()
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async def test_openrouter_penalty_in_mapping()
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async def test_refresh_model_maps_updates_cache()
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```
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---
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### 3.4 Upstream Provider System
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**Priority: HIGH**
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**Missing Coverage:**
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- Provider initialization (`upstream/helpers.py:init_upstreams`)
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- Provider-specific request forwarding
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- Provider error handling
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- X-Cashu authentication flow per provider
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- Provider header preparation
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**Code to Test:**
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- `upstream/helpers.py:init_upstreams`
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- `upstream/base.py:forward_request`
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- `upstream/base.py:handle_x_cashu`
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- Provider-specific implementations (OpenAI, Anthropic, etc.)
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**Recommended Tests:**
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```python
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async def test_init_upstreams_loads_all_providers()
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async def test_provider_forward_request_handles_errors()
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async def test_x_cashu_authentication_per_provider()
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async def test_provider_header_preparation()
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async def test_provider_specific_error_mapping()
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```
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---
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### 3.5 Admin Endpoints
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**Priority: MEDIUM**
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**Missing Coverage:**
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- Admin authentication (`core/admin.py`)
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- Model override CRUD operations
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- Provider management endpoints
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- Settings management
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- Admin password management
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**Code to Test:**
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- `core/admin.py` - All admin endpoints (lines 1-2800+)
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**Recommended Tests:**
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```python
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async def test_admin_authentication_required()
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async def test_create_model_override()
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async def test_update_model_override()
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async def test_delete_model_override()
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async def test_provider_crud_operations()
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async def test_settings_update()
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```
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---
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### 3.6 Discovery and NIP-91
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**Priority: MEDIUM**
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**Missing Coverage:**
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- NIP-91 event parsing (`nip91.py`)
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- Provider discovery from Nostr relay
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- Provider health checking
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- Provider caching logic
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**Code to Test:**
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- `nip91.py` - NIP-91 parsing
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- `discovery.py` - Discovery logic
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**Recommended Tests:**
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```python
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def test_parse_nip91_event_valid()
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def test_parse_nip91_event_malformed()
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async def test_query_nostr_relay_for_providers()
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async def test_fetch_provider_health()
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async def test_provider_cache_expiration()
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```
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---
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### 3.7 Error Handling Edge Cases
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**Priority: MEDIUM**
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**Missing Coverage:**
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- Cost calculation errors (`CostDataError`)
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- Upstream timeout handling
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- Partial stream failures
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- Database connection failures during payment
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- Mint communication failures during topup
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**Code to Test:**
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- `auth.py:adjust_payment_for_tokens` - CostDataError handling (line 634)
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- `upstream/base.py` - Timeout handling
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- `wallet.py:credit_balance` - Mint failure handling
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**Recommended Tests:**
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```python
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async def test_cost_calculation_error_handling()
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async def test_upstream_timeout_returns_error()
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async def test_partial_stream_failure_refunds()
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async def test_database_failure_during_payment()
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async def test_mint_unavailable_during_topup()
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```
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---
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### 3.8 Background Task Interactions
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**Priority: LOW**
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**Missing Coverage:**
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- Model map refresh during active requests
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- Pricing update during request processing
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- Task cancellation and cleanup
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- Task error recovery
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**Code to Test:**
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- `proxy.py:refresh_model_maps_periodically`
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- `payment/models.py:update_sats_pricing`
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**Recommended Tests:**
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```python
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async def test_model_refresh_during_active_requests()
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async def test_pricing_update_doesnt_break_requests()
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async def test_background_task_cancellation()
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async def test_background_task_error_recovery()
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```
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---
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## 4. Test Structure Issues
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### 4.1 Test Organization
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**Issues:**
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- Unit tests mix with integration concerns (e.g., `test_payment_helpers.py` uses mocks but tests integration logic)
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- Integration tests are well-organized but some test files are too large (900+ lines)
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**Recommendation:**
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- Split large test files (`test_proxy_post_endpoints.py`, `test_background_tasks.py`)
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- Separate unit tests from integration tests more clearly
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- Create dedicated test files for each major module
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---
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### 4.2 Fixture Usage
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**Issues:**
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- `conftest.py` has good fixtures but some tests create their own mocks instead of using fixtures
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- `testmint_wallet` fixture is good but some tests bypass it
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**Recommendation:**
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- Standardize on fixtures for common test scenarios
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- Create more reusable fixtures for common mock scenarios
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---
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### 4.3 Test Data Management
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**Issues:**
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- Tests create test data inline instead of using factories
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- Database state management is inconsistent
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**Recommendation:**
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- Create test data factories for common entities (ApiKey, Model, Provider)
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- Standardize database cleanup between tests
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---
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## 5. Specific Test Recommendations
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### 5.1 Tests to Remove
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1. **`test_proxy_get_billing_verification`** - GET requests aren't billed
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2. **`test_proxy_get_billing_calculations_match_pricing`** - GET requests aren't billed
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3. **`test_proxy_get_insufficient_balance`** - GET requests succeed without balance
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4. **`test_calculates_payouts_accurately`** - Feature not implemented
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5. **`test_balance_never_negative`** - Marked as not implemented, should be removed or implemented
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6. **`test_database_timestamp_accuracy`** - Tests non-existent timestamp field
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### 5.2 Tests to Fix
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1. **`test_proxy_post_insufficient_balance`** - Should work, needs proper model setup
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2. **`test_reserved_balance_never_negative`** - Should test actual reservation logic
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3. **All provider management tests** - Should test actual NIP-91 parsing, not just mocked responses
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### 5.3 Tests to Add (Priority Order)
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**Critical:**
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1. Reserved balance concurrent operations
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2. Cost calculation with various scenarios
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3. Payment adjustment logic (refund/excess charge)
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4. Model mapping with overrides and disabled models
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**High:**
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5. Upstream provider initialization and error handling
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6. X-Cashu authentication flow
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7. Admin endpoint authentication and CRUD
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**Medium:**
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8. NIP-91 parsing unit tests
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9. Discovery service integration
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10. Background task error recovery
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---
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## 6. Code Coverage Gaps
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Based on code analysis, these modules have low/no test coverage:
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1. **`payment/cost_caculation.py`** - 0% coverage (no tests exist)
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2. **`algorithm.py:create_model_mappings`** - Only helper functions tested
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3. **`upstream/helpers.py:init_upstreams`** - Not tested
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4. **`core/admin.py`** - Minimal/no tests
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5. **`nip91.py`** - Not tested
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6. **`discovery.py`** - Only mocked integration tests
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7. **`payment/lnurl.py`** - Not tested
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---
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## 7. Recommendations Summary
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### Immediate Actions (High Priority)
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1. **Remove outdated GET billing tests** - They test non-existent behavior
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2. **Add reserved balance tests** - Critical for payment correctness
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3. **Add cost calculation tests** - Core business logic untested
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4. **Fix/enable skipped tests** - Either fix or remove them
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### Short-term Actions (Medium Priority)
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5. **Add model mapping integration tests** - Test actual mapping behavior
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6. **Add upstream provider tests** - Test provider initialization and error handling
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7. **Add admin endpoint tests** - Critical for admin functionality
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8. **Refactor over-mocked tests** - Use real mocks or test at higher level
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### Long-term Actions (Low Priority)
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9. **Reorganize test structure** - Split large files, improve organization
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10. **Add NIP-91 unit tests** - Test parsing logic independently
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11. **Improve test fixtures** - Standardize and reuse fixtures
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12. **Add background task tests** - Test task interactions and error recovery
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---
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|
||||
## 8. Test Quality Metrics
|
||||
|
||||
**Current State:**
|
||||
- Total test functions: ~210
|
||||
- Unit tests: 7 files, ~30 tests
|
||||
- Integration tests: 20 files, ~180 tests
|
||||
- Skipped tests: ~5
|
||||
- Tests with issues: ~25
|
||||
|
||||
**Coverage Estimate:**
|
||||
- Core payment logic: ~60% (missing cost calculation)
|
||||
- Authentication: ~70% (missing edge cases)
|
||||
- Proxy logic: ~50% (over-mocked)
|
||||
- Admin: ~10% (minimal tests)
|
||||
- Discovery: ~30% (only mocked)
|
||||
|
||||
**Target State:**
|
||||
- Increase coverage to 80%+ for critical paths
|
||||
- Reduce skipped tests to 0
|
||||
- Fix all outdated tests
|
||||
- Add missing critical tests
|
||||
|
||||
---
|
||||
|
||||
## Conclusion
|
||||
|
||||
The test suite has a solid foundation but needs significant updates to match the current codebase architecture. The most critical gaps are in reserved balance handling, cost calculation, and model mapping - all core business logic. Many tests are outdated due to architectural changes (GET request billing removal, reserved balance introduction).
|
||||
|
||||
**Priority Focus Areas:**
|
||||
1. Reserved balance system (CRITICAL)
|
||||
2. Cost calculation logic (CRITICAL)
|
||||
3. Remove/fix outdated tests (HIGH)
|
||||
4. Model mapping tests (HIGH)
|
||||
5. Admin endpoint tests (MEDIUM)
|
||||
|
||||
This report should serve as a roadmap for test suite modernization and expansion.
|
||||
Reference in New Issue
Block a user