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"""Tests for CLI wrapper module."""

import os

import sys

from unittest.mock import MagicMock, patch

import pytest

from codepathfinder.cli import (

_ENV_OVERRIDE,

get_binary_name,

get_binary_path,

main,

)

# ---------------------------------------------------------------------------

# get_binary_name

# ---------------------------------------------------------------------------

class TestGetBinaryName:

def test_unix(self):

with patch.object(sys, "platform", "linux"):

assert get_binary_name() == "pathfinder"

def test_macos(self):

with patch.object(sys, "platform", "darwin"):

assert get_binary_name() == "pathfinder"

def test_windows(self):

with patch.object(sys, "platform", "win32"):

assert get_binary_name() == "pathfinder.exe"

# ---------------------------------------------------------------------------

# get_binary_path — env var override

# ---------------------------------------------------------------------------

class TestEnvOverride:

def test_valid_env_binary(self, tmp_path):

binary = tmp_path / "pathfinder"

binary.write_bytes(b"\x7fELF fake binary")

binary.chmod(0o755)

with patch.dict(os.environ, {_ENV_OVERRIDE: str(binary)}):

assert get_binary_path() == binary.resolve()

def test_env_empty_string(self):

with patch.dict(os.environ, {_ENV_OVERRIDE: ""}):

with pytest.raises(FileNotFoundError, match="set but empty"):

get_binary_path()

def test_env_nonexistent_path(self):

with patch.dict(os.environ, {_ENV_OVERRIDE: "/no/such/binary"}):

with pytest.raises(FileNotFoundError, match="does not exist"):

get_binary_path()

def test_env_points_to_directory(self, tmp_path):

with patch.dict(os.environ, {_ENV_OVERRIDE: str(tmp_path)}):

with pytest.raises(FileNotFoundError, match="not a regular file"):

get_binary_path()

def test_env_not_executable(self, tmp_path):

binary = tmp_path / "pathfinder"

binary.write_bytes(b"\x7fELF fake binary")

binary.chmod(0o644)

with patch.dict(os.environ, {_ENV_OVERRIDE: str(binary)}):

with pytest.raises(PermissionError, match="not executable"):

get_binary_path()

def test_env_takes_priority_over_bundled(self, tmp_path):

"""Even if bundled binary exists, env var wins."""

env_binary = tmp_path / "env" / "pathfinder"

env_binary.parent.mkdir()

env_binary.write_bytes(b"\x7fELF env")

env_binary.chmod(0o755)

# Set up a fake bundled binary too

pkg_dir = tmp_path / "codepathfinder"

cli_dir = pkg_dir / "cli"

cli_dir.mkdir(parents=True)

bin_dir = pkg_dir / "bin"

bin_dir.mkdir()

bundled = bin_dir / "pathfinder"

bundled.write_bytes(b"\x7fELF bundled")

bundled.chmod(0o755)

with patch.dict(os.environ, {_ENV_OVERRIDE: str(env_binary)}):

result = get_binary_path()

assert result == env_binary.resolve()

# ---------------------------------------------------------------------------

# get_binary_path — bundled binary

# ---------------------------------------------------------------------------

class TestBundledBinary:

def _setup_package(self, tmp_path, create_binary=True, executable=True):

"""Create a fake package layout and return the expected binary path."""

pkg_dir = tmp_path / "codepathfinder"

cli_dir = pkg_dir / "cli"

cli_dir.mkdir(parents=True)

bin_dir = pkg_dir / "bin"

bin_dir.mkdir()

binary = bin_dir / "pathfinder"

if create_binary:

binary.write_bytes(b"\x7fELF fake")

binary.chmod(0o755 if executable else 0o644)

return cli_dir, binary

def test_bundled_found(self, tmp_path):

cli_dir, binary = self._setup_package(tmp_path)

with patch.dict(os.environ, {}, clear=False):

# Make sure env override is not set

os.environ.pop(_ENV_OVERRIDE, None)

with patch("codepathfinder.cli.__file__", str(cli_dir / "__init__.py")):

with patch.object(sys, "platform", "linux"):

assert get_binary_path() == binary

def test_bundled_missing(self, tmp_path):

cli_dir, _ = self._setup_package(tmp_path, create_binary=False)

with patch.dict(os.environ, {}, clear=False):

os.environ.pop(_ENV_OVERRIDE, None)

with patch("codepathfinder.cli.__file__", str(cli_dir / "__init__.py")):

with patch.object(sys, "platform", "linux"):

with pytest.raises(FileNotFoundError, match="not found"):

get_binary_path()

def test_bundled_not_executable(self, tmp_path):

cli_dir, _ = self._setup_package(tmp_path, executable=False)

with patch.dict(os.environ, {}, clear=False):

os.environ.pop(_ENV_OVERRIDE, None)

with patch("codepathfinder.cli.__file__", str(cli_dir / "__init__.py")):

with patch.object(sys, "platform", "linux"):

with pytest.raises(PermissionError, match="not executable"):

get_binary_path()

# ---------------------------------------------------------------------------

# main

# ---------------------------------------------------------------------------

class TestMain:

def test_success(self, tmp_path):

binary = tmp_path / "pathfinder"

mock_result = MagicMock(returncode=0)

with patch("codepathfinder.cli.get_binary_path", return_value=binary):

with patch("subprocess.run", return_value=mock_result) as mock_run:

with patch.object(sys, "argv", ["pathfinder", "--help"]):

with pytest.raises(SystemExit) as exc:

main()

assert exc.value.code == 0

mock_run.assert_called_once_with([str(binary), "--help"])

def test_nonzero_exit(self, tmp_path):

binary = tmp_path / "pathfinder"

mock_result = MagicMock(returncode=1)

with patch("codepathfinder.cli.get_binary_path", return_value=binary):

with patch("subprocess.run", return_value=mock_result):

with patch.object(sys, "argv", ["pathfinder", "scan"]):

with pytest.raises(SystemExit) as exc:

main()

assert exc.value.code == 1

def test_binary_not_found(self):

with patch(

"codepathfinder.cli.get_binary_path",

side_effect=FileNotFoundError("not found"),

):

with pytest.raises(SystemExit) as exc:

main()

assert exc.value.code == 2

def test_permission_error(self):

with patch(

"codepathfinder.cli.get_binary_path",

side_effect=PermissionError("not executable"),

):

with pytest.raises(SystemExit) as exc:

main()

assert exc.value.code == 2

def test_os_error_on_exec(self, tmp_path):

binary = tmp_path / "pathfinder"

with patch("codepathfinder.cli.get_binary_path", return_value=binary):

with patch("subprocess.run", side_effect=OSError("exec format error")):

with patch.object(sys, "argv", ["pathfinder"]):

with pytest.raises(SystemExit) as exc:

main()

assert exc.value.code == 2

def test_keyboard_interrupt(self, tmp_path):

binary = tmp_path / "pathfinder"

with patch("codepathfinder.cli.get_binary_path", return_value=binary):

with patch("subprocess.run", side_effect=KeyboardInterrupt):

with patch.object(sys, "argv", ["pathfinder"]):

with pytest.raises(SystemExit) as exc:

main()

assert exc.value.code == 130

def test_arguments_forwarded(self, tmp_path):

binary = tmp_path / "pathfinder"

mock_result = MagicMock(returncode=0)

with patch("codepathfinder.cli.get_binary_path", return_value=binary):

with patch("subprocess.run", return_value=mock_result) as mock_run:

with patch.object(

sys, "argv", ["pathfinder", "query", "--project", "/tmp"]

):

with pytest.raises(SystemExit):

main()

mock_run.assert_called_once_with(

[str(binary), "query", "--project", "/tmp"]

)