"""Tests for TurboQuant test matrix (Issue #11)."""

import json
import re
from unittest.mock import patch, MagicMock

import pytest
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).parent.parent / "benchmarks"))

from test_matrix import (
    evaluate_quality,
    evaluate_performance,
    report_to_markdown,
    TEST_PROMPTS,
    PPL_DELTA_MAX,
    TOKS_BASELINE_RATIO,
    TTFT_BASELINE_RATIO,
)


class TestEvaluateQuality:
    def test_pattern_match(self):
        result = evaluate_quality("The first law of thermodynamics states...", r"(?i)(first law|energy)")
        assert result["matched"] is True

    def test_pattern_no_match(self):
        result = evaluate_quality("Hello world", r"(?i)(thermodynamics|entropy)")
        assert result["matched"] is False

    def test_substance_check(self):
        result = evaluate_quality("Short", r".*")
        assert result["has_substance"] is False

    def test_substance_pass(self):
        result = evaluate_quality("A" * 100, r".*")
        assert result["has_substance"] is True

    def test_response_length(self):
        result = evaluate_quality("Hello world", r".*")
        assert result["response_length"] == 11


class TestEvaluatePerformance:
    def test_tok_per_sec_pass(self):
        result = {"tok_per_sec": 100, "ttft": 0.5, "peak_mem_mb": 1000}
        baseline = {"tok_per_sec": 100, "ttft": 0.5}
        perf = evaluate_performance(result, baseline)
        assert perf["tok_per_sec_pass"] is True

    def test_tok_per_sec_fail(self):
        result = {"tok_per_sec": 50, "ttft": 0.5, "peak_mem_mb": 1000}
        baseline = {"tok_per_sec": 100, "ttft": 0.5}
        perf = evaluate_performance(result, baseline)
        assert perf["tok_per_sec_pass"] is False

    def test_ttft_pass(self):
        result = {"tok_per_sec": 100, "ttft": 0.5, "peak_mem_mb": 1000}
        baseline = {"tok_per_sec": 100, "ttft": 0.5}
        perf = evaluate_performance(result, baseline)
        assert perf["ttft_pass"] is True

    def test_ttft_fail(self):
        result = {"tok_per_sec": 100, "ttft": 1.0, "peak_mem_mb": 1000}
        baseline = {"tok_per_sec": 100, "ttft": 0.5}
        perf = evaluate_performance(result, baseline)
        assert perf["ttft_pass"] is False

    def test_memory_pass(self):
        result = {"tok_per_sec": 100, "ttft": 0.5, "peak_mem_mb": 10000}
        baseline = {"tok_per_sec": 100, "ttft": 0.5}
        perf = evaluate_performance(result, baseline)
        assert perf["peak_mem_pass"] is True


class TestTestPrompts:
    def test_has_10_prompts(self):
        assert len(TEST_PROMPTS) == 10

    def test_all_have_patterns(self):
        for p in TEST_PROMPTS:
            assert "pass_pattern" in p
            # Verify pattern compiles
            re.compile(p["pass_pattern"])

    def test_all_have_categories(self):
        categories = {p["category"] for p in TEST_PROMPTS}
        assert len(categories) >= 4  # At least 4 different categories


class TestReportMarkdown:
    def test_has_summary(self):
        report = {
            "generated_at": "2026-04-14T00:00:00",
            "model": "test-model",
            "backend": "ollama",
            "kv_type": "fp16",
            "total_prompts": 10,
            "passed": 9,
            "failed": 1,
            "pass_rate": 0.9,
            "quality_pass_rate": 0.95,
            "results": [
                {"prompt_id": 1, "name": "Test", "category": "factual",
                 "quality": {"matched": True}, "performance": {"tok_per_sec": 50},
                 "pass": True}
            ],
        }
        md = report_to_markdown(report)
        assert "Test Matrix Report" in md
        assert "9" in md  # passed
        assert "GO" in md  # 90% pass rate

    def test_nogo_on_low_pass_rate(self):
        report = {
            "generated_at": "2026-04-14", "model": "x", "backend": "x", "kv_type": "x",
            "total_prompts": 10, "passed": 5, "failed": 5, "pass_rate": 0.5,
            "quality_pass_rate": 0.5, "results": [],
        }
        md = report_to_markdown(report)
        assert "NO-GO" in md