aitbc/tests/production/test_production_monitoring.py

"""
Production Monitoring Tests for AITBC Agent Coordinator
Tests Prometheus metrics, alerting, and SLA monitoring systems
"""

import pytest
import requests
import time
import json
from datetime import datetime, timedelta
from typing import Dict, Any

class TestPrometheusMetrics:
    """Test Prometheus metrics collection"""
    
    BASE_URL = "http://localhost:9001"
    
    def test_metrics_endpoint(self):
        """Test Prometheus metrics endpoint"""
        response = requests.get(f"{self.BASE_URL}/metrics")
        
        assert response.status_code == 200
        assert response.headers["content-type"] == "text/plain; charset=utf-8"
        
        # Check for metric format
        metrics_text = response.text
        assert "# HELP" in metrics_text
        assert "# TYPE" in metrics_text
        assert "http_requests_total" in metrics_text
        assert "system_uptime_seconds" in metrics_text
    
    def test_metrics_summary(self):
        """Test metrics summary endpoint"""
        response = requests.get(f"{self.BASE_URL}/metrics/summary")
        
        assert response.status_code == 200
        data = response.json()
        
        assert data["status"] == "success"
        assert "performance" in data
        assert "system" in data
        assert "timestamp" in data
        
        # Check performance metrics
        perf = data["performance"]
        assert "avg_response_time" in perf
        assert "p95_response_time" in perf
        assert "p99_response_time" in perf
        assert "error_rate" in perf
        assert "total_requests" in perf
        assert "uptime_seconds" in perf
        
        # Check system metrics
        system = data["system"]
        assert "total_agents" in system
        assert "active_agents" in system
        assert "total_tasks" in system
        assert "load_balancer_strategy" in system
    
    def test_health_metrics(self):
        """Test health metrics endpoint"""
        response = requests.get(f"{self.BASE_URL}/metrics/health")
        
        assert response.status_code == 200
        data = response.json()
        
        assert data["status"] == "success"
        assert "health" in data
        
        health = data["health"]
        assert "memory" in health
        assert "cpu" in health
        assert "uptime" in health
        assert "timestamp" in data
        
        # Check memory metrics
        memory = health["memory"]
        assert "total" in memory
        assert "available" in memory
        assert "used" in memory
        assert "percentage" in memory
        
        # Check CPU metrics
        cpu = health["cpu"]
        assert "percentage" in cpu
        assert "count" in cpu
    
    def test_metrics_after_requests(self):
        """Test that metrics are updated after making requests"""
        # Make some requests to generate metrics
        for _ in range(5):
            requests.get(f"{self.BASE_URL}/health")
        
        # Get metrics summary
        response = requests.get(f"{self.BASE_URL}/metrics/summary")
        data = response.json()
        
        assert data["status"] == "success"
        perf = data["performance"]
        
        # Should have recorded some requests
        assert perf["total_requests"] >= 5
        assert perf["uptime_seconds"] > 0

class TestAlertingSystem:
    """Test alerting system functionality"""
    
    BASE_URL = "http://localhost:9001"
    
    def get_admin_token(self):
        """Get admin token for authenticated requests"""
        response = requests.post(
            f"{self.BASE_URL}/auth/login",
            json={"username": "admin", "password": "admin123"},
            headers={"Content-Type": "application/json"}
        )
        return response.json()["access_token"]
    
    def test_get_alerts(self):
        """Test getting alerts"""
        token = self.get_admin_token()
        
        response = requests.get(
            f"{self.BASE_URL}/alerts",
            headers={"Authorization": f"Bearer {token}"}
        )
        
        assert response.status_code == 200
        data = response.json()
        
        assert data["status"] == "success"
        assert "alerts" in data
        assert "total" in data
        assert isinstance(data["alerts"], list)
    
    def test_get_active_alerts(self):
        """Test getting only active alerts"""
        token = self.get_admin_token()
        
        response = requests.get(
            f"{self.BASE_URL}/alerts?status=active",
            headers={"Authorization": f"Bearer {token}"}
        )
        
        assert response.status_code == 200
        data = response.json()
        
        assert data["status"] == "success"
        assert "alerts" in data
        assert "total" in data
    
    def test_get_alert_stats(self):
        """Test getting alert statistics"""
        token = self.get_admin_token()
        
        response = requests.get(
            f"{self.BASE_URL}/alerts/stats",
            headers={"Authorization": f"Bearer {token}"}
        )
        
        assert response.status_code == 200
        data = response.json()
        
        assert data["status"] == "success"
        assert "stats" in data
        
        stats = data["stats"]
        assert "total_alerts" in stats
        assert "active_alerts" in stats
        assert "severity_breakdown" in stats
        assert "total_rules" in stats
        assert "enabled_rules" in stats
        
        # Check severity breakdown
        severity = stats["severity_breakdown"]
        expected_severities = ["critical", "warning", "info", "debug"]
        for sev in expected_severities:
            assert sev in severity
    
    def test_get_alert_rules(self):
        """Test getting alert rules"""
        token = self.get_admin_token()
        
        response = requests.get(
            f"{self.BASE_URL}/alerts/rules",
            headers={"Authorization": f"Bearer {token}"}
        )
        
        assert response.status_code == 200
        data = response.json()
        
        assert data["status"] == "success"
        assert "rules" in data
        assert "total" in data
        assert data["total"] >= 5  # Should have at least 5 default rules
        
        # Check rule structure
        rules = data["rules"]
        for rule in rules:
            assert "rule_id" in rule
            assert "name" in rule
            assert "description" in rule
            assert "severity" in rule
            assert "condition" in rule
            assert "threshold" in rule
            assert "duration_seconds" in rule
            assert "enabled" in rule
            assert "notification_channels" in rule
    
    def test_resolve_alert(self):
        """Test resolving an alert"""
        token = self.get_admin_token()
        
        # First get alerts to find one to resolve
        response = requests.get(
            f"{self.BASE_URL}/alerts",
            headers={"Authorization": f"Bearer {token}"}
        )
        
        alerts = response.json()["alerts"]
        if alerts:
            alert_id = alerts[0]["alert_id"]
            
            # Resolve the alert
            response = requests.post(
                f"{self.BASE_URL}/alerts/{alert_id}/resolve",
                headers={"Authorization": f"Bearer {token}"}
            )
            
            assert response.status_code == 200
            data = response.json()
            assert data["status"] == "success"
            assert "alert" in data
            
            alert = data["alert"]
            assert alert["status"] == "resolved"
            assert "resolved_at" in alert

class TestSLAMonitoring:
    """Test SLA monitoring functionality"""
    
    BASE_URL = "http://localhost:9001"
    
    def get_admin_token(self):
        """Get admin token for authenticated requests"""
        response = requests.post(
            f"{self.BASE_URL}/auth/login",
            json={"username": "admin", "password": "admin123"},
            headers={"Content-Type": "application/json"}
        )
        return response.json()["access_token"]
    
    def test_get_sla_status(self):
        """Test getting SLA status"""
        token = self.get_admin_token()
        
        response = requests.get(
            f"{self.BASE_URL}/sla",
            headers={"Authorization": f"Bearer {token}"}
        )
        
        assert response.status_code == 200
        data = response.json()
        
        assert data["status"] == "success"
        assert "sla" in data
        
        sla = data["sla"]
        assert "total_slas" in sla
        assert "sla_status" in sla
        assert "overall_compliance" in sla
        
        assert isinstance(sla["total_slas"], int)
        assert isinstance(sla["overall_compliance"], (int, float))
        assert 0 <= sla["overall_compliance"] <= 100
    
    def test_record_sla_metric(self):
        """Test recording SLA metric"""
        token = self.get_admin_token()
        
        # Record a good SLA metric
        response = requests.post(
            f"{self.BASE_URL}/sla/response_time/record",
            json={"value": 0.5},  # 500ms response time
            headers={
                "Authorization": f"Bearer {token}",
                "Content-Type": "application/json"
            }
        )
        
        assert response.status_code == 200
        data = response.json()
        
        assert data["status"] == "success"
        assert "SLA metric recorded for response_time" in data["message"]
        assert data["value"] == 0.5
        assert "timestamp" in data
    
    def test_get_specific_sla_status(self):
        """Test getting status for specific SLA"""
        token = self.get_admin_token()
        
        # Record some metrics first
        requests.post(
            f"{self.BASE_URL}/sla/response_time/record",
            json={"value": 0.3},
            headers={
                "Authorization": f"Bearer {token}",
                "Content-Type": "application/json"
            }
        )
        
        requests.post(
            f"{self.BASE_URL}/sla/response_time/record",
            json={"value": 0.8},
            headers={
                "Authorization": f"Bearer {token}",
                "Content-Type": "application/json"
            }
        )
        
        # Get specific SLA status
        response = requests.get(
            f"{self.BASE_URL}/sla?sla_id=response_time",
            headers={"Authorization": f"Bearer {token}"}
        )
        
        assert response.status_code == 200
        data = response.json()
        
        assert data["status"] == "success"
        assert "sla" in data
        
        sla = data["sla"]
        assert "sla_id" in sla
        assert "name" in sla
        assert "target" in sla
        assert "compliance_percentage" in sla
        assert "total_measurements" in sla
        assert "violations_count" in sla
        assert "recent_violations" in sla
        
        assert sla["sla_id"] == "response_time"
        assert isinstance(sla["compliance_percentage"], (int, float))
        assert 0 <= sla["compliance_percentage"] <= 100

class TestSystemStatus:
    """Test comprehensive system status endpoint"""
    
    BASE_URL = "http://localhost:9001"
    
    def get_admin_token(self):
        """Get admin token for authenticated requests"""
        response = requests.post(
            f"{self.BASE_URL}/auth/login",
            json={"username": "admin", "password": "admin123"},
            headers={"Content-Type": "application/json"}
        )
        return response.json()["access_token"]
    
    def test_system_status(self):
        """Test comprehensive system status"""
        token = self.get_admin_token()
        
        response = requests.get(
            f"{self.BASE_URL}/system/status",
            headers={"Authorization": f"Bearer {token}"}
        )
        
        assert response.status_code == 200
        data = response.json()
        
        assert data["status"] == "success"
        assert "overall" in data
        assert "performance" in data
        assert "alerts" in data
        assert "sla" in data
        assert "system" in data
        assert "services" in data
        assert "timestamp" in data
        
        # Check overall status
        assert data["overall"] in ["healthy", "degraded", "unhealthy"]
        
        # Check alerts section
        alerts = data["alerts"]
        assert "active_count" in alerts
        assert "critical_count" in alerts
        assert "warning_count" in alerts
        assert isinstance(alerts["active_count"], int)
        assert isinstance(alerts["critical_count"], int)
        assert isinstance(alerts["warning_count"], int)
        
        # Check SLA section
        sla = data["sla"]
        assert "overall_compliance" in sla
        assert "total_slas" in sla
        assert isinstance(sla["overall_compliance"], (int, float))
        assert 0 <= sla["overall_compliance"] <= 100
        
        # Check system section
        system = data["system"]
        assert "memory_usage" in system
        assert "cpu_usage" in system
        assert "uptime" in system
        assert isinstance(system["memory_usage"], (int, float))
        assert isinstance(system["cpu_usage"], (int, float))
        assert system["memory_usage"] >= 0
        assert system["cpu_usage"] >= 0
        assert system["uptime"] > 0
        
        # Check services section
        services = data["services"]
        expected_services = ["agent_coordinator", "agent_registry", "load_balancer", "task_distributor"]
        for service in expected_services:
            assert service in services
            assert services[service] in ["running", "stopped"]

class TestMonitoringIntegration:
    """Test monitoring system integration"""
    
    BASE_URL = "http://localhost:9001"
    
    def test_monitoring_workflow(self):
        """Test complete monitoring workflow"""
        # 1. Get initial metrics
        response = requests.get(f"{self.BASE_URL}/metrics/summary")
        assert response.status_code == 200
        initial_metrics = response.json()
        
        # 2. Make some requests to generate activity
        for i in range(10):
            requests.get(f"{self.BASE_URL}/health")
            time.sleep(0.1)  # Small delay between requests
        
        # 3. Check updated metrics
        response = requests.get(f"{self.BASE_URL}/metrics/summary")
        assert response.status_code == 200
        updated_metrics = response.json()
        
        # 4. Verify metrics increased
        assert updated_metrics["performance"]["total_requests"] > initial_metrics["performance"]["total_requests"]
        
        # 5. Check health metrics
        response = requests.get(f"{self.BASE_URL}/metrics/health")
        assert response.status_code == 200
        health = response.json()
        assert health["status"] == "success"
        
        # 6. Check system status (requires auth)
        response = requests.post(
            f"{self.BASE_URL}/auth/login",
            json={"username": "admin", "password": "admin123"},
            headers={"Content-Type": "application/json"}
        )
        token = response.json()["access_token"]
        
        response = requests.get(
            f"{self.BASE_URL}/system/status",
            headers={"Authorization": f"Bearer {token}"}
        )
        assert response.status_code == 200
        status = response.json()
        assert status["status"] == "success"
        assert status["overall"] in ["healthy", "degraded", "unhealthy"]
    
    def test_metrics_consistency(self):
        """Test that metrics are consistent across endpoints"""
        # Get metrics from different endpoints
        summary_response = requests.get(f"{self.BASE_URL}/metrics/summary")
        health_response = requests.get(f"{self.BASE_URL}/metrics/health")
        metrics_response = requests.get(f"{self.BASE_URL}/metrics")
        
        assert summary_response.status_code == 200
        assert health_response.status_code == 200
        assert metrics_response.status_code == 200
        
        summary = summary_response.json()
        health = health_response.json()
        
        # Check that uptime is consistent
        assert summary["performance"]["uptime_seconds"] == health["health"]["uptime"]
        
        # Check timestamps are recent
        summary_time = datetime.fromisoformat(summary["timestamp"].replace('Z', '+00:00'))
        health_time = datetime.fromisoformat(health["health"]["timestamp"].replace('Z', '+00:00'))
        
        now = datetime.utcnow()
        assert (now - summary_time).total_seconds() < 60  # Within last minute
        assert (now - health_time).total_seconds() < 60  # Within last minute

class TestAlertingIntegration:
    """Test alerting system integration with metrics"""
    
    BASE_URL = "http://localhost:9001"
    
    def get_admin_token(self):
        """Get admin token for authenticated requests"""
        response = requests.post(
            f"{self.BASE_URL}/auth/login",
            json={"username": "admin", "password": "admin123"},
            headers={"Content-Type": "application/json"}
        )
        return response.json()["access_token"]
    
    def test_alert_rules_evaluation(self):
        """Test that alert rules are properly configured"""
        token = self.get_admin_token()
        
        # Get alert rules
        response = requests.get(
            f"{self.BASE_URL}/alerts/rules",
            headers={"Authorization": f"Bearer {token}"}
        )
        assert response.status_code == 200
        
        rules = response.json()["rules"]
        
        # Check for expected default rules
        expected_rules = [
            "high_error_rate",
            "high_response_time", 
            "agent_count_low",
            "memory_usage_high",
            "cpu_usage_high"
        ]
        
        rule_ids = [rule["rule_id"] for rule in rules]
        for expected_rule in expected_rules:
            assert expected_rule in rule_ids, f"Missing expected rule: {expected_rule}"
        
        # Check rule structure
        for rule in rules:
            assert rule["enabled"] is True  # All rules should be enabled
            assert rule["threshold"] > 0
            assert rule["duration_seconds"] > 0
            assert len(rule["notification_channels"]) > 0
    
    def test_alert_notification_channels(self):
        """Test alert notification channel configuration"""
        token = self.get_admin_token()
        
        # Get alert rules
        response = requests.get(
            f"{self.BASE_URL}/alerts/rules",
            headers={"Authorization": f"Bearer {token}"}
        )
        assert response.status_code == 200
        
        rules = response.json()["rules"]
        
        # Check that rules have notification channels configured
        for rule in rules:
            channels = rule["notification_channels"]
            assert len(channels) > 0
            
            # Check for valid channel types
            valid_channels = ["email", "slack", "webhook", "log"]
            for channel in channels:
                assert channel in valid_channels, f"Invalid notification channel: {channel}"

if __name__ == '__main__':
    pytest.main([__file__])