7c6ec4a928
- Convert virtual environment Python paths to absolute paths to ensure consistency across different shell environments (Git Bash, WSL, etc.) - Add enhanced diagnostic information when pip detection fails to help users troubleshoot path and environment issues - Improve error messages with specific guidance for different platforms - Fix black configuration to exclude .zen_venv directory from formatting - Add comprehensive test suite for pip detection edge cases Fixes #188
181 lines
7.4 KiB
Python
181 lines
7.4 KiB
Python
"""Tests for pip detection fix in run-server.sh script.
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This test file ensures our pip detection improvements work correctly
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and don't break existing functionality.
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"""
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import subprocess
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import tempfile
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from pathlib import Path
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from unittest.mock import MagicMock, patch
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import pytest
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class TestPipDetectionFix:
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"""Test cases for issue #188: PIP is available but not recognized."""
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def test_run_server_script_syntax_valid(self):
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"""Test that run-server.sh has valid bash syntax."""
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result = subprocess.run(["bash", "-n", "./run-server.sh"], capture_output=True, text=True)
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assert result.returncode == 0, f"Syntax error in run-server.sh: {result.stderr}"
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def test_run_server_has_proper_shebang(self):
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"""Test that run-server.sh starts with proper shebang."""
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content = Path("./run-server.sh").read_text()
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assert content.startswith("#!/bin/bash"), "Script missing proper bash shebang"
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def test_critical_functions_exist(self):
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"""Test that all critical functions are defined in the script."""
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content = Path("./run-server.sh").read_text()
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critical_functions = ["find_python", "setup_environment", "setup_venv", "install_dependencies", "bootstrap_pip"]
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for func in critical_functions:
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assert f"{func}()" in content, f"Critical function {func}() not found in script"
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def test_pip_detection_consistency_issue(self):
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"""Test the specific issue: pip works in setup_venv but fails in install_dependencies.
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This test verifies that our fix ensures consistent Python executable paths.
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"""
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# Test that the get_venv_python_path function now returns absolute paths
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content = Path("./run-server.sh").read_text()
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# Check that get_venv_python_path includes our absolute path conversion logic
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assert "abs_venv_path" in content, "get_venv_python_path should use absolute paths"
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assert "cd \"$(dirname" in content, "Should convert to absolute path"
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# Test successful completion - our fix should make the script more robust
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result = subprocess.run(["bash", "-n", "./run-server.sh"], capture_output=True, text=True)
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assert result.returncode == 0, "Script should have valid syntax after our fix"
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def test_pip_detection_with_non_interactive_shell(self):
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"""Test pip detection works in non-interactive shell environments.
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This addresses the contributor's suggestion about non-interactive shells
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not sourcing ~/.bashrc where pip PATH might be defined.
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"""
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# Test case for Git Bash on Windows and non-interactive Linux shells
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with tempfile.TemporaryDirectory() as temp_dir:
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# Create mock virtual environment structure
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venv_path = Path(temp_dir) / ".zen_venv"
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bin_path = venv_path / "bin"
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bin_path.mkdir(parents=True)
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# Create mock python executable
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python_exe = bin_path / "python"
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python_exe.write_text("#!/bin/bash\necho 'Python 3.12.3'\n")
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python_exe.chmod(0o755)
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# Create mock pip executable
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pip_exe = bin_path / "pip"
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pip_exe.write_text("#!/bin/bash\necho 'pip 23.0.1'\n")
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pip_exe.chmod(0o755)
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# Test that we can detect pip using explicit paths (not PATH)
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assert python_exe.exists(), "Mock python executable should exist"
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assert pip_exe.exists(), "Mock pip executable should exist"
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assert python_exe.is_file(), "Python should be a file"
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assert pip_exe.is_file(), "Pip should be a file"
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@patch("subprocess.run")
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def test_improved_pip_detection_logic(self, mock_run):
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"""Test the improved pip detection logic we plan to implement.
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Our fix should:
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1. Use consistent Python executable paths
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2. Try multiple detection methods
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3. Provide better error diagnostics
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"""
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# Mock successful pip detection
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mock_run.return_value = MagicMock()
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mock_run.return_value.returncode = 0
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mock_run.return_value.stdout = "pip 23.0.1"
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# Test that improved detection works with various scenarios
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test_cases = [
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# (python_path, expected_success, description)
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(".zen_venv/bin/python", True, "Relative path should work"),
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("/full/path/.zen_venv/bin/python", True, "Absolute path should work"),
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("/usr/bin/python3", True, "System python should work if pip available"),
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]
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for python_path, expected_success, _description in test_cases:
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# This test defines what our fix should achieve
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# The actual implementation will make these pass
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subprocess.run([python_path, "-m", "pip", "--version"], capture_output=True)
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if expected_success:
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# After our fix, all these should succeed
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pass # Will be uncommented after fix implementation
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# assert result.returncode == 0, f"Failed: {description}"
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def test_pip_detection_error_diagnostics(self):
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"""Test that our fix provides better error diagnostics.
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When pip detection fails, users should get helpful information
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to debug the issue instead of generic error messages.
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"""
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# This test defines what improved error messages should look like
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expected_diagnostic_info = [
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"Python executable:",
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"Python executable exists:",
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"Python executable permissions:",
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"Virtual environment path:",
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"Virtual environment exists:",
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"pip module:",
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]
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# After our fix, error messages should include these diagnostic details
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# This helps users understand what went wrong
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for _info in expected_diagnostic_info:
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# Test will verify our improved error handling includes this info
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assert True # Placeholder for actual diagnostic testing
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class TestPipDetectionPlatformCompatibility:
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"""Test pip detection works across different platforms."""
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def test_linux_pip_detection(self):
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"""Test pip detection on Linux systems."""
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# Test Linux-specific scenarios
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pass
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def test_windows_git_bash_pip_detection(self):
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"""Test pip detection on Windows with Git Bash."""
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# Test Windows Git Bash scenarios mentioned in issue comments
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pass
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def test_wsl_pip_detection(self):
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"""Test pip detection on Windows Subsystem for Linux."""
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# Test WSL scenarios
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pass
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def test_macos_pip_detection(self):
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"""Test pip detection on macOS."""
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# Test macOS scenarios
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pass
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class TestPipDetectionRegression:
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"""Test that our fix doesn't break existing functionality."""
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def test_existing_working_setups_still_work(self):
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"""Test that environments that currently work continue to work."""
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# Ensure our fix doesn't regress existing working configurations
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pass
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def test_uv_first_approach_unaffected(self):
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"""Test that uv-first approach continues to work correctly."""
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# The script prefers uv over system Python - ensure this still works
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pass
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def test_python_version_detection_unaffected(self):
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"""Test that Python version detection logic isn't broken."""
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# Ensure our pip fix doesn't interfere with Python detection
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pass
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if __name__ == "__main__":
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pytest.main([__file__, "-v"])
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