test: add integration smoke test script

openai-proxy/test/smoke_test.sh

@@ -0,0 +1,79 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+BASE_URL="${PROXY_URL:-http://localhost:8080}"
+API_KEY="${UPSTREAM_API_KEY:-test-key}"
+
+echo "=== Smoke testing openai-proxy at $BASE_URL ==="
+
+echo ""
+echo "1. GET /health"
+HEALTH=$(curl -sf "$BASE_URL/health")
+echo "   Response: $HEALTH"
+echo "$HEALTH" | grep -q '"ok"' && echo "   PASS" || { echo "   FAIL"; exit 1; }
+
+echo ""
+echo "2. POST /v1/chat/completions (non-streaming)"
+RESP=$(curl -sf "$BASE_URL/v1/chat/completions" \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer $API_KEY" \
+  -d '{
+    "model": "gpt-4o-mini",
+    "messages": [
+      {"role": "system", "content": "You are a concise assistant."},
+      {"role": "user", "content": "Reply with exactly: pong"}
+    ],
+    "max_tokens": 10
+  }')
+echo "   Response: $RESP"
+echo "$RESP" | grep -q '"choices"' && echo "   PASS" || { echo "   FAIL"; exit 1; }
+
+echo ""
+echo "3. POST /v1/chat/completions (streaming)"
+STREAM_RESP=$(curl -sf "$BASE_URL/v1/chat/completions" \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer $API_KEY" \
+  -d '{
+    "model": "gpt-4o-mini",
+    "messages": [{"role": "user", "content": "Say hi"}],
+    "stream": true,
+    "max_tokens": 10
+  }')
+echo "   First bytes: $(echo "$STREAM_RESP" | head -c 100)"
+echo "$STREAM_RESP" | grep -q 'data:' && echo "   PASS" || { echo "   FAIL"; exit 1; }
+
+echo ""
+echo "4. GET /v1/models"
+MODELS=$(curl -sf "$BASE_URL/v1/models" \
+  -H "Authorization: Bearer $API_KEY")
+echo "   Response (first 200 chars): $(echo "$MODELS" | head -c 200)"
+echo "$MODELS" | grep -q '"data"' && echo "   PASS" || { echo "   FAIL"; exit 1; }
+
+echo ""
+echo "5. POST /v1/chat/completions (with tools)"
+TOOL_RESP=$(curl -sf "$BASE_URL/v1/chat/completions" \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer $API_KEY" \
+  -d '{
+    "model": "gpt-4o-mini",
+    "messages": [{"role": "user", "content": "What is the weather in NYC?"}],
+    "tools": [{
+      "type": "function",
+      "function": {
+        "name": "get_weather",
+        "description": "Get current weather",
+        "parameters": {
+          "type": "object",
+          "properties": {"city": {"type": "string"}},
+          "required": ["city"]
+        }
+      }
+    }],
+    "tool_choice": "auto",
+    "max_tokens": 100
+  }')
+echo "   Response: $(echo "$TOOL_RESP" | head -c 300)"
+echo "$TOOL_RESP" | grep -q '"choices"' && echo "   PASS" || { echo "   FAIL"; exit 1; }
+
+echo ""
+echo "=== All smoke tests PASSED ==="