"""
Unit tests for utility functions
"""
import pytest
from datetime import datetime
from drt.utils.timestamps import format_timestamp, format_duration
from drt.utils.patterns import matches_pattern


class TestTimestamps:
    """Test timestamp utilities"""
    
    def test_format_timestamp(self):
        """Test timestamp formatting"""
        dt = datetime(2024, 1, 15, 14, 30, 45)
        formatted = format_timestamp(dt)
        assert formatted == "20240115_143045"
    
    def test_format_timestamp_current(self):
        """Test formatting current timestamp"""
        formatted = format_timestamp()
        # Should be in YYYYMMDD_HHMMSS format
        assert len(formatted) == 15
        assert formatted[8] == "_"
    
    def test_format_duration_seconds(self):
        """Test duration formatting for seconds"""
        duration = format_duration(45.5)
        assert duration == "45.50s"
    
    def test_format_duration_minutes(self):
        """Test duration formatting for minutes"""
        duration = format_duration(125.0)
        assert duration == "2m 5.00s"
    
    def test_format_duration_hours(self):
        """Test duration formatting for hours"""
        duration = format_duration(3725.0)
        assert duration == "1h 2m 5.00s"


class TestPatterns:
    """Test pattern matching utilities"""
    
    def test_exact_match(self):
        """Test exact pattern matching"""
        assert matches_pattern("TestTable", "TestTable") is True
        assert matches_pattern("TestTable", "OtherTable") is False
    
    def test_wildcard_star(self):
        """Test wildcard * pattern"""
        assert matches_pattern("TestTable", "Test*") is True
        assert matches_pattern("TestTable", "*Table") is True
        assert matches_pattern("TestTable", "*est*") is True
        assert matches_pattern("TestTable", "Other*") is False
    
    def test_wildcard_question(self):
        """Test wildcard ? pattern"""
        assert matches_pattern("Test1", "Test?") is True
        assert matches_pattern("TestA", "Test?") is True
        assert matches_pattern("Test12", "Test?") is False
        assert matches_pattern("Test", "Test?") is False
    
    def test_combined_wildcards(self):
        """Test combined wildcard patterns"""
        assert matches_pattern("Test_Table_01", "Test_*_??") is True
        assert matches_pattern("Test_Table_1", "Test_*_??") is False
    
    def test_case_sensitivity(self):
        """Test case-sensitive matching"""
        assert matches_pattern("TestTable", "testtable") is False
        assert matches_pattern("TestTable", "TestTable") is True
    
    def test_empty_pattern(self):
        """Test empty pattern"""
        assert matches_pattern("TestTable", "") is False
        assert matches_pattern("", "") is True
    
    def test_special_characters(self):
        """Test patterns with special characters"""
        assert matches_pattern("Test.Table", "Test.Table") is True
        assert matches_pattern("Test_Table", "Test_*") is True
        assert matches_pattern("Test-Table", "Test-*") is True