"""
Unit tests for qa-tester agent test execution mode.

Tests the agent's ability to accept test execution requests, parse test plans,
execute test cases, and generate structured test execution results.
"""

import pytest
from pathlib import Path
import json


class TestQATesterExecutionMode:
    """Test qa-tester agent test execution mode capabilities."""

    def test_execution_mode_input_structure(self):
        """Test that execution mode accepts proper input structure."""
        # Define expected input structure
        execution_request = {
            "mode": "execute",
            "epic_id": "EPIC-123",
            "epic_title": "User Authentication",
            "test_plan_content": "# Test Plan\n## Test Cases\n### TC-001: Login test",
            "sprint_context": {
                "sprint_name": "Sprint 5",
                "environment": "staging",
                "test_data_available": True,
                "dependencies_ready": True
            }
        }

        # Verify structure
        assert execution_request["mode"] == "execute"
        assert "epic_id" in execution_request
        assert "test_plan_content" in execution_request
        assert "sprint_context" in execution_request

    def test_execution_output_structure(self):
        """Test that execution mode output has expected structure."""
        # Define expected output structure
        execution_results = {
            "test_execution_results": {
                "epic": {
                    "id": "EPIC-123",
                    "title": "User Authentication",
                    "overall_status": "pass",
                    "execution_timestamp": "2024-12-11T10:00:00Z",
                    "environment": "staging",
                    "sprint_context": "Sprint 5"
                },
                "summary": {
                    "total_test_cases": 5,
                    "tests_passed": 5,
                    "tests_failed": 0,
                    "tests_blocked": 0,
                    "tests_skipped": 0,
                    "pass_rate": 1.0,
                    "execution_duration_minutes": 10
                },
                "test_case_results": [],
                "feature_results": [],
                "quality_gates": {},
                "defects_found": [],
                "recommendations": {},
                "test_report_markdown": "# Test Report"
            }
        }

        # Verify structure
        assert "test_execution_results" in execution_results
        assert "epic" in execution_results["test_execution_results"]
        assert "summary" in execution_results["test_execution_results"]
        assert "test_case_results" in execution_results["test_execution_results"]
        assert "quality_gates" in execution_results["test_execution_results"]
        assert "recommendations" in execution_results["test_execution_results"]

    def test_test_case_result_structure(self):
        """Test individual test case result structure."""
        test_case_result = {
            "test_id": "TC-001",
            "feature_id": "FEATURE-456",
            "title": "User login with valid credentials",
            "priority": "High",
            "status": "pass",
            "execution_timestamp": "2024-12-11T10:05:00Z",
            "preconditions_met": True,
            "actual_outputs": [
                "HTTP 200 OK",
                "JWT token received"
            ],
            "expected_outputs": [
                "HTTP 200",
                "JWT token in response"
            ],
            "pass_conditions": "Login succeeds, token received",
            "pass_conditions_met": True,
            "failure_reason": None,
            "evidence": {
                "logs": "Auth successful",
                "error_messages": None,
                "screenshots": "login_success.png",
                "additional_notes": "Test passed without issues"
            },
            "execution_notes": "Smooth execution"
        }

        # Verify required fields
        assert test_case_result["test_id"] == "TC-001"
        assert test_case_result["status"] in ["pass", "fail", "blocked", "skipped"]
        assert "actual_outputs" in test_case_result
        assert "expected_outputs" in test_case_result
        assert "evidence" in test_case_result

    def test_overall_status_values(self):
        """Test that overall status has valid values."""
        valid_statuses = ["pass", "partial", "fail"]

        for status in valid_statuses:
            execution_results = {
                "test_execution_results": {
                    "epic": {
                        "overall_status": status
                    }
                }
            }
            assert execution_results["test_execution_results"]["epic"]["overall_status"] in valid_statuses

    def test_test_case_status_values(self):
        """Test that test case status has valid values."""
        valid_statuses = ["pass", "fail", "blocked", "skipped"]

        for status in valid_statuses:
            test_case_result = {
                "test_id": "TC-001",
                "status": status
            }
            assert test_case_result["status"] in valid_statuses

    def test_summary_calculations(self):
        """Test that summary calculations are correct."""
        test_case_results = [
            {"status": "pass"},
            {"status": "pass"},
            {"status": "fail"},
            {"status": "blocked"},
            {"status": "skipped"}
        ]

        # Calculate summary
        total = len(test_case_results)
        passed = sum(1 for tc in test_case_results if tc["status"] == "pass")
        failed = sum(1 for tc in test_case_results if tc["status"] == "fail")
        blocked = sum(1 for tc in test_case_results if tc["status"] == "blocked")
        skipped = sum(1 for tc in test_case_results if tc["status"] == "skipped")
        pass_rate = passed / total if total > 0 else 0.0

        assert total == 5
        assert passed == 2
        assert failed == 1
        assert blocked == 1
        assert skipped == 1
        assert pass_rate == 0.4

    def test_quality_gates_structure(self):
        """Test quality gates structure."""
        quality_gates = {
            "all_high_priority_pass": True,
            "all_medium_priority_pass": True,
            "low_priority_pass_rate": 0.9,
            "all_acceptance_criteria_met": True,
            "no_critical_defects": True,
            "gates_passed": True
        }

        # Verify required gates
        assert "all_high_priority_pass" in quality_gates
        assert "all_medium_priority_pass" in quality_gates
        assert "all_acceptance_criteria_met" in quality_gates
        assert "gates_passed" in quality_gates

        # Verify boolean values
        assert isinstance(quality_gates["all_high_priority_pass"], bool)
        assert isinstance(quality_gates["gates_passed"], bool)

    def test_defect_structure(self):
        """Test defect documentation structure."""
        defect = {
            "severity": "high",
            "test_case_id": "TC-002",
            "feature_id": "FEATURE-456",
            "description": "Login fails with valid credentials",
            "reproduction_steps": [
                "Navigate to login page",
                "Enter valid credentials",
                "Click login button",
                "Observe error message"
            ],
            "expected_behavior": "Login should succeed",
            "actual_behavior": "Login returns 500 error",
            "evidence": "Logs show database connection timeout"
        }

        # Verify required fields
        assert defect["severity"] in ["critical", "high", "medium", "low"]
        assert "test_case_id" in defect
        assert "description" in defect
        assert "reproduction_steps" in defect
        assert isinstance(defect["reproduction_steps"], list)
        assert len(defect["reproduction_steps"]) > 0

    def test_feature_results_structure(self):
        """Test feature-level results structure."""
        feature_result = {
            "feature_id": "FEATURE-456",
            "feature_title": "User Login",
            "status": "partial",
            "tests_for_feature": 3,
            "tests_passed": 2,
            "tests_failed": 1,
            "acceptance_criteria_met": [
                {
                    "criterion": "User can log in with valid credentials",
                    "met": True,
                    "evidence": "TC-001 passed"
                },
                {
                    "criterion": "Invalid credentials rejected",
                    "met": False,
                    "evidence": "TC-002 failed"
                }
            ]
        }

        # Verify structure
        assert feature_result["feature_id"] == "FEATURE-456"
        assert feature_result["status"] in ["pass", "partial", "fail"]
        assert feature_result["tests_passed"] + feature_result["tests_failed"] <= feature_result["tests_for_feature"]
        assert len(feature_result["acceptance_criteria_met"]) > 0

    def test_recommendations_structure(self):
        """Test recommendations structure."""
        recommendations = {
            "deployment_ready": False,
            "required_fixes": [
                "Fix authentication error handling"
            ],
            "optional_improvements": [
                "Add retry logic for database connections"
            ],
            "overall_assessment": "EPIC has critical defects, not ready for deployment"
        }

        # Verify structure
        assert "deployment_ready" in recommendations
        assert isinstance(recommendations["deployment_ready"], bool)
        assert "required_fixes" in recommendations
        assert isinstance(recommendations["required_fixes"], list)
        assert "overall_assessment" in recommendations

    def test_evidence_structure(self):
        """Test evidence collection structure."""
        evidence = {
            "logs": "2024-12-11 10:00:00 ERROR: Database timeout",
            "error_messages": "Connection to database 'auth_db' timed out",
            "screenshots": "error_page.png",
            "additional_notes": "Database connection pool exhausted"
        }

        # Verify structure
        assert "logs" in evidence
        assert "error_messages" in evidence
        assert "screenshots" in evidence

    def test_pass_rate_calculation(self):
        """Test pass rate calculation logic."""
        # Scenario 1: All tests pass
        total1, passed1 = 5, 5
        pass_rate1 = passed1 / total1 if total1 > 0 else 0.0
        assert pass_rate1 == 1.0

        # Scenario 2: Partial pass
        total2, passed2 = 10, 7
        pass_rate2 = passed2 / total2 if total2 > 0 else 0.0
        assert pass_rate2 == 0.7

        # Scenario 3: All tests fail
        total3, passed3 = 5, 0
        pass_rate3 = passed3 / total3 if total3 > 0 else 0.0
        assert pass_rate3 == 0.0

        # Scenario 4: No tests
        total4, passed4 = 0, 0
        pass_rate4 = passed4 / total4 if total4 > 0 else 0.0
        assert pass_rate4 == 0.0

    def test_overall_status_determination_all_pass(self):
        """Test overall status when all tests pass."""
        test_results = [
            {"priority": "High", "status": "pass"},
            {"priority": "High", "status": "pass"},
            {"priority": "Medium", "status": "pass"},
            {"priority": "Low", "status": "pass"}
        ]

        high_pass = all(tc["status"] == "pass" for tc in test_results if tc["priority"] == "High")
        medium_pass = all(tc["status"] == "pass" for tc in test_results if tc["priority"] == "Medium")

        overall_status = "pass" if high_pass and medium_pass else "partial" if high_pass else "fail"

        assert overall_status == "pass"

    def test_overall_status_determination_partial(self):
        """Test overall status when some tests fail."""
        test_results = [
            {"priority": "High", "status": "pass"},
            {"priority": "High", "status": "pass"},
            {"priority": "Medium", "status": "fail"},
            {"priority": "Low", "status": "pass"}
        ]

        high_pass = all(tc["status"] == "pass" for tc in test_results if tc["priority"] == "High")
        medium_pass = all(tc["status"] == "pass" for tc in test_results if tc["priority"] == "Medium")

        overall_status = "pass" if high_pass and medium_pass else "partial" if high_pass else "fail"

        assert overall_status == "partial"

    def test_overall_status_determination_fail(self):
        """Test overall status when high priority tests fail."""
        test_results = [
            {"priority": "High", "status": "fail"},
            {"priority": "High", "status": "pass"},
            {"priority": "Medium", "status": "pass"},
            {"priority": "Low", "status": "pass"}
        ]

        high_pass = all(tc["status"] == "pass" for tc in test_results if tc["priority"] == "High")
        medium_pass = all(tc["status"] == "pass" for tc in test_results if tc["priority"] == "Medium")

        overall_status = "pass" if high_pass and medium_pass else "partial" if high_pass else "fail"

        assert overall_status == "fail"

    def test_quality_gates_evaluation(self):
        """Test quality gates evaluation logic."""
        test_results = [
            {"priority": "High", "status": "pass"},
            {"priority": "High", "status": "pass"},
            {"priority": "Medium", "status": "pass"},
            {"priority": "Low", "status": "pass"},
            {"priority": "Low", "status": "fail"}
        ]

        high_tests = [tc for tc in test_results if tc["priority"] == "High"]
        medium_tests = [tc for tc in test_results if tc["priority"] == "Medium"]
        low_tests = [tc for tc in test_results if tc["priority"] == "Low"]

        all_high_pass = all(tc["status"] == "pass" for tc in high_tests)
        all_medium_pass = all(tc["status"] == "pass" for tc in medium_tests)
        low_pass_rate = sum(1 for tc in low_tests if tc["status"] == "pass") / len(low_tests) if low_tests else 1.0

        gates_passed = all_high_pass and all_medium_pass and low_pass_rate >= 0.9

        assert all_high_pass is True
        assert all_medium_pass is True
        assert low_pass_rate == 0.5
        assert gates_passed is False

    def test_deployment_readiness_assessment(self):
        """Test deployment readiness determination."""
        # Scenario 1: Ready for deployment
        quality_gates1 = {"gates_passed": True}
        critical_defects1 = []
        deployment_ready1 = quality_gates1["gates_passed"] and len(critical_defects1) == 0

        assert deployment_ready1 is True

        # Scenario 2: Not ready due to quality gates
        quality_gates2 = {"gates_passed": False}
        critical_defects2 = []
        deployment_ready2 = quality_gates2["gates_passed"] and len(critical_defects2) == 0

        assert deployment_ready2 is False

        # Scenario 3: Not ready due to critical defects
        quality_gates3 = {"gates_passed": True}
        critical_defects3 = [{"severity": "critical"}]
        deployment_ready3 = quality_gates3["gates_passed"] and len(critical_defects3) == 0

        assert deployment_ready3 is False

    def test_execution_mode_vs_plan_mode(self):
        """Test differentiation between execution mode and plan generation mode."""
        plan_mode_input = {
            "mode": "plan",
            "epic_id": "EPIC-123",
            "epic_data": {}
        }

        execution_mode_input = {
            "mode": "execute",
            "epic_id": "EPIC-123",
            "test_plan_content": "# Test Plan"
        }

        assert plan_mode_input["mode"] == "plan"
        assert execution_mode_input["mode"] == "execute"
        assert "test_plan_content" in execution_mode_input
        assert "epic_data" in plan_mode_input
