diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dd56363
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,180 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+Pipfile.lock
+
+# poetry
+# Do not ignore poetry.lock - it should be committed
+# poetry.lock
+
+# pdm
+.pdm.toml
+.pdm-python
+
+# PEP 582
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+.idea/
+
+# VS Code
+.vscode/
+
+# Claude settings
+.claude/*
+
+# macOS
+.DS_Store
+
+# Windows
+Thumbs.db
+ehthumbs.db
+
+# Selenium
+*.log
+geckodriver.log
+chromedriver.log
+
+# Application specific
+config.json
+credentials.json
+*.cookie
+*.session
+
+# Temporary files
+*.tmp
+*.temp
+*.swp
+*.swo
+*~
+
+# Backup files
+*.bak
+*.backup
+
+# Lock files (except poetry.lock)
+*.lock
+!poetry.lock
\ No newline at end of file
diff --git a/CLAUDE.md b/CLAUDE.md
new file mode 100644
index 0000000..3d430a2
--- /dev/null
+++ b/CLAUDE.md
@@ -0,0 +1,15 @@
+# CLAUDE.md
+
+This file contains project-specific context and instructions for Claude.
+
+## Project Overview
+Python project for ticket purchasing automation on Damai.com
+
+## Testing Commands
+- Run tests: `poetry run test` or `poetry run tests`
+- Run with coverage: `poetry run pytest --cov`
+
+## Development Guidelines
+- Use Poetry for dependency management
+- Follow pytest conventions for test organization
+- Maintain 80% test coverage threshold
\ No newline at end of file
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..9878791
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,581 @@
+# This file is automatically @generated by Poetry 2.1.3 and should not be changed by hand.
+
+[[package]]
+name = "attrs"
+version = "25.3.0"
+description = "Classes Without Boilerplate"
+optional = false
+python-versions = ">=3.8"
+groups = ["main"]
+files = [
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+]
+
+[package.extras]
+benchmark = ["cloudpickle ; platform_python_implementation == \"CPython\"", "hypothesis", "mypy (>=1.11.1) ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pympler", "pytest (>=4.3.0)", "pytest-codspeed", "pytest-mypy-plugins ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pytest-xdist[psutil]"]
+cov = ["cloudpickle ; platform_python_implementation == \"CPython\"", "coverage[toml] (>=5.3)", "hypothesis", "mypy (>=1.11.1) ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pytest-xdist[psutil]"]
+dev = ["cloudpickle ; platform_python_implementation == \"CPython\"", "hypothesis", "mypy (>=1.11.1) ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pre-commit-uv", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pytest-xdist[psutil]"]
+docs = ["cogapp", "furo", "myst-parser", "sphinx", "sphinx-notfound-page", "sphinxcontrib-towncrier", "towncrier"]
+tests = ["cloudpickle ; platform_python_implementation == \"CPython\"", "hypothesis", "mypy (>=1.11.1) ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pytest-xdist[psutil]"]
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+
+[[package]]
+name = "certifi"
+version = "2025.6.15"
+description = "Python package for providing Mozilla's CA Bundle."
+optional = false
+python-versions = ">=3.7"
+groups = ["main"]
+files = [
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+
+[[package]]
+name = "cffi"
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+python-versions = ">=3.8"
+groups = ["main"]
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diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..07ce75a
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,79 @@
+[tool.poetry]
+name = "damai-ticket-automation"
+version = "0.1.0"
+description = "Automated ticket purchasing system for Damai.com"
+authors = ["Your Name <your.email@example.com>"]
+readme = "README.md"
+packages = [
+    { include = "damai" },
+    { include = "damai_appium" }
+]
+
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+
+[tool.poetry.group.dev.dependencies]
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+
+[tool.poetry.scripts]
+test = "pytest:main"
+tests = "pytest:main"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
+
+[tool.pytest.ini_options]
+minversion = "8.0"
+testpaths = ["tests"]
+python_files = ["test_*.py", "*_test.py"]
+python_classes = ["Test*"]
+python_functions = ["test_*"]
+addopts = [
+    "-ra",
+    "--strict-markers",
+    "--strict-config",
+    "--cov=damai",
+    "--cov=damai_appium",
+    "--cov-branch",
+    "--cov-report=term-missing:skip-covered",
+    "--cov-report=html:htmlcov",
+    "--cov-report=xml:coverage.xml",
+    "--cov-fail-under=80",
+]
+markers = [
+    "unit: Unit tests",
+    "integration: Integration tests",
+    "slow: Tests that take a long time to run",
+]
+
+[tool.coverage.run]
+source = ["damai", "damai_appium"]
+omit = [
+    "*/tests/*",
+    "*/__init__.py",
+    "*/conftest.py",
+]
+
+[tool.coverage.report]
+exclude_lines = [
+    "pragma: no cover",
+    "def __repr__",
+    "if self.debug:",
+    "if __name__ == .__main__.:",
+    "raise AssertionError",
+    "raise NotImplementedError",
+    "if TYPE_CHECKING:",
+]
+precision = 2
+show_missing = true
+skip_covered = true
+
+[tool.coverage.html]
+directory = "htmlcov"
+
+[tool.coverage.xml]
+output = "coverage.xml"
\ No newline at end of file
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..e0984c3
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,156 @@
+"""
+Shared pytest fixtures and configuration.
+"""
+import os
+import tempfile
+from pathlib import Path
+from typing import Generator
+from unittest.mock import Mock, patch
+
+import pytest
+
+
+@pytest.fixture
+def temp_dir() -> Generator[Path, None, None]:
+    """Create a temporary directory for tests."""
+    with tempfile.TemporaryDirectory() as temp_dir:
+        yield Path(temp_dir)
+
+
+@pytest.fixture
+def mock_config() -> dict:
+    """Provide a mock configuration for tests."""
+    return {
+        "username": "test_user",
+        "password": "test_password",
+        "target_url": "https://example.com",
+        "ticket_count": 1,
+        "seat_type": "VIP",
+        "price_levels": ["580", "380"],
+        "dates": ["2024-01-01"],
+        "retry_times": 3,
+        "timeout": 30,
+    }
+
+
+@pytest.fixture
+def mock_selenium_driver():
+    """Mock Selenium WebDriver for unit tests."""
+    with patch("selenium.webdriver.Chrome") as mock_driver_class:
+        mock_driver = Mock()
+        mock_driver_class.return_value = mock_driver
+        
+        # Common WebDriver methods
+        mock_driver.get = Mock()
+        mock_driver.find_element = Mock()
+        mock_driver.find_elements = Mock()
+        mock_driver.quit = Mock()
+        mock_driver.current_url = "https://example.com"
+        mock_driver.title = "Test Page"
+        
+        yield mock_driver
+
+
+@pytest.fixture
+def mock_appium_driver():
+    """Mock Appium driver for mobile tests."""
+    # Create a mock driver without importing appium
+    mock_driver = Mock()
+    
+    # Common Appium methods
+    mock_driver.find_element = Mock()
+    mock_driver.find_elements = Mock()
+    mock_driver.tap = Mock()
+    mock_driver.swipe = Mock()
+    mock_driver.quit = Mock()
+    
+    # Mock the Remote class
+    with patch.object(mock_driver, "__class__.__name__", "Remote"):
+        yield mock_driver
+
+
+@pytest.fixture
+def sample_html_response() -> str:
+    """Provide sample HTML response for parsing tests."""
+    return """
+    <html>
+        <body>
+            <div class="ticket-info">
+                <span class="price">¥380</span>
+                <span class="seat-type">VIP座位</span>
+                <button class="buy-btn">立即购买</button>
+            </div>
+        </body>
+    </html>
+    """
+
+
+@pytest.fixture
+def mock_time(monkeypatch):
+    """Mock time-related functions for deterministic tests."""
+    import time
+    
+    current_time = 1704067200.0  # 2024-01-01 00:00:00 UTC
+    
+    def mock_time_func():
+        return current_time
+    
+    def mock_sleep(seconds):
+        nonlocal current_time
+        current_time += seconds
+    
+    monkeypatch.setattr(time, "time", mock_time_func)
+    monkeypatch.setattr(time, "sleep", mock_sleep)
+    
+    return mock_time_func
+
+
+@pytest.fixture(autouse=True)
+def reset_environment(monkeypatch):
+    """Reset environment variables for each test."""
+    # Clear any environment variables that might affect tests
+    env_vars_to_clear = [
+        "DAMAI_USERNAME",
+        "DAMAI_PASSWORD",
+        "SELENIUM_DRIVER_PATH",
+        "APPIUM_SERVER_URL",
+    ]
+    
+    for var in env_vars_to_clear:
+        monkeypatch.delenv(var, raising=False)
+
+
+@pytest.fixture
+def mock_file_operations(tmp_path):
+    """Provide mocked file operations for tests."""
+    def create_test_file(filename: str, content: str = "") -> Path:
+        file_path = tmp_path / filename
+        file_path.write_text(content)
+        return file_path
+    
+    return create_test_file
+
+
+# Pytest configuration hooks
+def pytest_configure(config):
+    """Configure pytest with custom settings."""
+    # Add custom markers description
+    config.addinivalue_line(
+        "markers", "unit: mark test as a unit test"
+    )
+    config.addinivalue_line(
+        "markers", "integration: mark test as an integration test"
+    )
+    config.addinivalue_line(
+        "markers", "slow: mark test as slow running"
+    )
+
+
+def pytest_collection_modifyitems(config, items):
+    """Modify test collection to add markers based on test location."""
+    for item in items:
+        # Add markers based on test file location
+        if "unit" in str(item.fspath):
+            item.add_marker(pytest.mark.unit)
+        elif "integration" in str(item.fspath):
+            item.add_marker(pytest.mark.integration)
\ No newline at end of file
diff --git a/tests/integration/__init__.py b/tests/integration/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_setup_validation.py b/tests/test_setup_validation.py
new file mode 100644
index 0000000..775a519
--- /dev/null
+++ b/tests/test_setup_validation.py
@@ -0,0 +1,161 @@
+"""
+Validation tests to ensure the testing infrastructure is properly set up.
+"""
+import sys
+from pathlib import Path
+
+import pytest
+
+
+class TestInfrastructureSetup:
+    """Validate that the testing infrastructure is properly configured."""
+    
+    def test_project_structure_exists(self):
+        """Test that the required project structure is in place."""
+        # Check that main packages exist
+        assert Path("damai").exists(), "damai package directory should exist"
+        assert Path("damai_appium").exists(), "damai_appium package directory should exist"
+        
+        # Check that test directories exist
+        assert Path("tests").exists(), "tests directory should exist"
+        assert Path("tests/unit").exists(), "tests/unit directory should exist"
+        assert Path("tests/integration").exists(), "tests/integration directory should exist"
+    
+    def test_pyproject_toml_exists(self):
+        """Test that pyproject.toml exists and is properly configured."""
+        pyproject_path = Path("pyproject.toml")
+        assert pyproject_path.exists(), "pyproject.toml should exist"
+        
+        # Read and validate content
+        content = pyproject_path.read_text()
+        assert "[tool.poetry]" in content, "Poetry configuration should be present"
+        assert "[tool.pytest.ini_options]" in content, "Pytest configuration should be present"
+        assert "[tool.coverage" in content, "Coverage configuration should be present"
+    
+    def test_conftest_exists(self):
+        """Test that conftest.py exists with fixtures."""
+        conftest_path = Path("tests/conftest.py")
+        assert conftest_path.exists(), "tests/conftest.py should exist"
+        
+        # Verify it contains fixture definitions
+        content = conftest_path.read_text()
+        assert "@pytest.fixture" in content, "conftest.py should contain fixtures"
+    
+    def test_packages_importable(self):
+        """Test that the main packages can be imported."""
+        try:
+            import damai
+            assert damai is not None
+        except ImportError as e:
+            pytest.fail(f"Failed to import damai package: {e}")
+        
+        try:
+            import damai_appium
+            assert damai_appium is not None
+        except ImportError as e:
+            pytest.fail(f"Failed to import damai_appium package: {e}")
+    
+    @pytest.mark.unit
+    def test_unit_marker_works(self):
+        """Test that the unit marker is properly configured."""
+        # This test should be marked as unit
+        assert True
+    
+    @pytest.mark.integration
+    def test_integration_marker_works(self):
+        """Test that the integration marker is properly configured."""
+        # This test should be marked as integration
+        assert True
+    
+    @pytest.mark.slow
+    def test_slow_marker_works(self):
+        """Test that the slow marker is properly configured."""
+        # This test should be marked as slow
+        assert True
+
+
+class TestFixturesAvailable:
+    """Validate that all fixtures are available and working."""
+    
+    def test_temp_dir_fixture(self, temp_dir):
+        """Test that temp_dir fixture creates a temporary directory."""
+        assert temp_dir.exists()
+        assert temp_dir.is_dir()
+        
+        # Test that we can write to it
+        test_file = temp_dir / "test.txt"
+        test_file.write_text("test content")
+        assert test_file.exists()
+        assert test_file.read_text() == "test content"
+    
+    def test_mock_config_fixture(self, mock_config):
+        """Test that mock_config fixture provides expected configuration."""
+        assert isinstance(mock_config, dict)
+        assert "username" in mock_config
+        assert "password" in mock_config
+        assert "target_url" in mock_config
+        assert mock_config["username"] == "test_user"
+    
+    def test_mock_selenium_driver_fixture(self, mock_selenium_driver):
+        """Test that mock_selenium_driver fixture provides a mock driver."""
+        # Test that common WebDriver methods are available
+        assert hasattr(mock_selenium_driver, "get")
+        assert hasattr(mock_selenium_driver, "find_element")
+        assert hasattr(mock_selenium_driver, "quit")
+        assert mock_selenium_driver.current_url == "https://example.com"
+    
+    def test_mock_appium_driver_fixture(self, mock_appium_driver):
+        """Test that mock_appium_driver fixture provides a mock driver."""
+        # Test that common Appium methods are available
+        assert hasattr(mock_appium_driver, "find_element")
+        assert hasattr(mock_appium_driver, "tap")
+        assert hasattr(mock_appium_driver, "swipe")
+    
+    def test_sample_html_response_fixture(self, sample_html_response):
+        """Test that sample_html_response fixture provides HTML content."""
+        assert isinstance(sample_html_response, str)
+        assert "<html>" in sample_html_response
+        assert "ticket-info" in sample_html_response
+    
+    def test_mock_time_fixture(self, mock_time):
+        """Test that mock_time fixture mocks time functions."""
+        import time
+        
+        # Test that time is mocked
+        initial_time = time.time()
+        assert initial_time == 1704067200.0  # 2024-01-01 00:00:00 UTC
+        
+        # Test that sleep advances time
+        time.sleep(10)
+        new_time = time.time()
+        assert new_time == initial_time + 10
+    
+    def test_mock_file_operations_fixture(self, mock_file_operations):
+        """Test that mock_file_operations fixture works correctly."""
+        # Create a test file
+        test_file = mock_file_operations("test.txt", "test content")
+        
+        assert test_file.exists()
+        assert test_file.read_text() == "test content"
+
+
+class TestCoverageConfiguration:
+    """Validate coverage configuration."""
+    
+    def test_coverage_configured(self):
+        """Test that coverage is properly configured in pyproject.toml."""
+        pyproject_path = Path("pyproject.toml")
+        content = pyproject_path.read_text()
+        
+        # Check coverage settings
+        assert "--cov=damai" in content
+        assert "--cov=damai_appium" in content
+        assert "--cov-fail-under=80" in content
+        assert "htmlcov" in content
+        assert "coverage.xml" in content
+
+
+def test_pytest_can_discover_tests():
+    """Meta-test to ensure pytest can discover this test file."""
+    # If this test runs, pytest discovery is working
+    assert True
\ No newline at end of file
diff --git a/tests/unit/__init__.py b/tests/unit/__init__.py
new file mode 100644
index 0000000..e69de29