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"""Tests for the managed Python environment (backends/envs.py)."""
import sys
import unittest
from pathlib import Path
from unittest.mock import patch
from backends import envs
class EnvPathTests(unittest.TestCase):
"""Platform-aware path helpers (no venv actually created)."""
def test_env_dir_under_envs_tts(self):
self.assertEqual(envs.ENV_DIR.name, "tts")
self.assertEqual(envs.ENV_DIR.parent.name, "envs")
def test_env_python_posix(self):
with patch.object(envs, "_is_windows", return_value=False):
self.assertEqual(envs.env_python(),
envs.ENV_DIR / "bin" / "python")
def test_env_python_windows(self):
with patch.object(envs, "_is_windows", return_value=True):
self.assertEqual(envs.env_python(),
envs.ENV_DIR / "Scripts" / "python.exe")
def test_env_script_posix(self):
with patch.object(envs, "_is_windows", return_value=False):
self.assertEqual(envs.env_script("qwen-tts-demo"),
envs.ENV_DIR / "bin" / "qwen-tts-demo")
def test_env_script_windows(self):
with patch.object(envs, "_is_windows", return_value=True):
self.assertEqual(envs.env_script("qwen-tts-demo"),
envs.ENV_DIR / "Scripts" / "qwen-tts-demo.exe")
def test_env_exists_false_when_python_missing(self):
with patch.object(envs, "env_python",
return_value=Path("/no/such/path/python")):
self.assertFalse(envs.env_exists())
def test_is_managed_env_compares_resolved_executable(self):
fake_env_python = Path("/tmp/opencode/managed-env/bin/python")
with patch.object(envs, "env_python", return_value=fake_env_python), \
patch.object(sys, "executable", str(fake_env_python)):
self.assertTrue(envs.is_managed_env())
with patch.object(envs, "env_python", return_value=fake_env_python), \
patch.object(sys, "executable", "/usr/bin/python3"):
self.assertFalse(envs.is_managed_env())
class CreateEnvTests(unittest.TestCase):
def test_create_env_invokes_venv_module(self):
with patch.object(envs.common, "run_console_subprocess",
return_value=0) as run:
rc = envs.create_env()
self.assertEqual(rc, 0)
argv = run.call_args[0][0]
self.assertEqual(argv[0], sys.executable)
self.assertEqual(argv[1], "-m")
self.assertEqual(argv[2], "venv")
self.assertEqual(argv[3], str(envs.ENV_DIR))
def test_create_env_reports_remediation_on_failure(self):
with patch.object(envs.common, "run_console_subprocess",
return_value=1):
rc = envs.create_env()
self.assertEqual(rc, 1)
class PipInstallTests(unittest.TestCase):
def test_creates_env_first_when_missing(self):
calls = []
def fake_run(argv, **kwargs):
calls.append(list(argv))
return 0
with patch.object(envs, "env_exists", return_value=False), \
patch.object(envs, "create_env", return_value=0) as mk, \
patch.object(envs.common, "run_console_subprocess",
side_effect=fake_run):
rc = envs.pip_install(["qwen-tts"])
self.assertEqual(rc, 0)
mk.assert_called_once_with()
# The actual pip call targets the venv's python.
self.assertEqual(calls[0][0], str(envs.env_python()))
self.assertIn("pip", calls[0])
self.assertIn("qwen-tts", calls[0])
def test_skips_create_when_env_exists(self):
with patch.object(envs, "env_exists", return_value=True), \
patch.object(envs, "create_env") as mk, \
patch.object(envs.common, "run_console_subprocess",
return_value=0):
envs.pip_install(["qwen-tts"])
mk.assert_not_called()
def test_returns_nonzero_when_create_fails(self):
with patch.object(envs, "env_exists", return_value=False), \
patch.object(envs, "create_env", return_value=1), \
patch.object(envs.common, "run_console_subprocess") as run:
rc = envs.pip_install(["qwen-tts"])
self.assertEqual(rc, 1)
run.assert_not_called()
class PipUninstallTests(unittest.TestCase):
def test_missing_env_is_success_without_running_pip(self):
with patch.object(envs, "env_exists", return_value=False), \
patch.object(envs.common, "run_console_subprocess") as run:
rc = envs.pip_uninstall(["qwen-tts"])
self.assertEqual(rc, 0)
run.assert_not_called()
def test_runs_pip_uninstall_against_the_venv_python(self):
calls = []
def fake_run(argv, **kwargs):
calls.append(list(argv))
return 0
with patch.object(envs, "env_exists", return_value=True), \
patch.object(envs.common, "run_console_subprocess",
side_effect=fake_run):
rc = envs.pip_uninstall(["qwen-tts"])
self.assertEqual(rc, 0)
# The uninstall targets the venv's python.
self.assertEqual(calls[0][0], str(envs.env_python()))
self.assertIn("uninstall", calls[0])
self.assertIn("-y", calls[0])
self.assertIn("qwen-tts", calls[0])
def test_streams_to_emit_when_given(self):
with patch.object(envs, "env_exists", return_value=True), \
patch.object(envs.common, "run_console_subprocess",
return_value=0) as run:
rc = envs.pip_uninstall(["qwen-tts"], emit="EMIT")
self.assertEqual(rc, 0)
# The task view's emit is forwarded so pip never touches the
# terminal behind curses.
self.assertEqual(run.call_args.kwargs.get("emit"), "EMIT")
def test_console_path_passes_no_emit(self):
with patch.object(envs, "env_exists", return_value=True), \
patch.object(envs.common, "run_console_subprocess",
return_value=0) as run:
rc = envs.pip_uninstall(["qwen-tts"])
self.assertEqual(rc, 0)
self.assertIsNone(run.call_args.kwargs.get("emit"))
class ModuleAvailableTests(unittest.TestCase):
def test_false_when_env_missing(self):
with patch.object(envs, "env_exists", return_value=False):
self.assertFalse(envs.module_available("qwen_tts"))
def test_true_when_subprocess_exits_zero(self):
import subprocess
fake = subprocess.CompletedProcess(args=["x"], returncode=0)
with patch.object(envs, "env_exists", return_value=True), \
patch("subprocess.run", return_value=fake) as run:
self.assertTrue(envs.module_available("qwen_tts"))
argv = run.call_args[0][0]
self.assertEqual(argv[0], str(envs.env_python()))
self.assertIn("import qwen_tts", argv[2])
def test_false_when_subprocess_exits_nonzero(self):
import subprocess
fake = subprocess.CompletedProcess(args=["x"], returncode=1)
with patch.object(envs, "env_exists", return_value=True), \
patch("subprocess.run", return_value=fake):
self.assertFalse(envs.module_available("qwen_tts"))
def test_false_on_timeout(self):
import subprocess
with patch.object(envs, "env_exists", return_value=True), \
patch("subprocess.run",
side_effect=subprocess.TimeoutExpired(cmd="x", timeout=1)):
self.assertFalse(envs.module_available("qwen_tts"))
class EnsureAppEnvTests(unittest.TestCase):
def test_creates_env_then_installs_when_marker_invalid(self):
with patch.object(envs, "env_exists", return_value=False), \
patch.object(envs, "create_env", return_value=0), \
patch.object(envs, "_marker_valid", return_value=False), \
patch.object(envs, "install_requirements", return_value=0), \
patch.object(envs, "_write_marker") as mk:
envs.ensure_app_env()
mk.assert_called_once_with()
def test_raises_when_create_fails(self):
with patch.object(envs, "env_exists", return_value=False), \
patch.object(envs, "create_env", return_value=1):
with self.assertRaises(RuntimeError):
envs.ensure_app_env()
def test_raises_when_install_fails(self):
with patch.object(envs, "env_exists", return_value=True), \
patch.object(envs, "_marker_valid", return_value=False), \
patch.object(envs, "install_requirements", return_value=1):
with self.assertRaises(RuntimeError):
envs.ensure_app_env()
def test_skips_install_when_marker_valid(self):
with patch.object(envs, "env_exists", return_value=True), \
patch.object(envs, "_marker_valid", return_value=True), \
patch.object(envs, "install_requirements") as mk:
envs.ensure_app_env()
mk.assert_not_called()
class BootstrapTests(unittest.TestCase):
def test_noop_when_already_managed(self):
with patch.object(envs, "is_managed_env", return_value=True), \
patch.object(envs, "ensure_app_env") as mk, \
patch("os.execv") as ex:
envs.bootstrap("/path/to/audiobook.py")
mk.assert_not_called()
ex.assert_not_called()
def test_ensures_env_then_execvs(self):
with patch.object(envs, "is_managed_env", return_value=False), \
patch.object(envs, "ensure_app_env") as mk_env, \
patch("os.execv") as ex, \
patch.object(sys, "argv", ["audiobook.py", "--backend", "qwen"]):
envs.bootstrap("/path/to/audiobook.py")
mk_env.assert_called_once_with()
py = str(envs.env_python())
args = ex.call_args[0]
self.assertEqual(args[0], py)
self.assertEqual(args[1][0], py)
self.assertTrue(args[1][1].endswith("audiobook.py"))
self.assertEqual(args[1][2:], ["--backend", "qwen"])
def test_exits_when_ensure_raises(self):
with patch.object(envs, "is_managed_env", return_value=False), \
patch.object(envs, "ensure_app_env",
side_effect=RuntimeError("boom")), \
patch("os.execv") as ex, \
self.assertRaises(SystemExit):
envs.bootstrap("/path/to/audiobook.py")
ex.assert_not_called()
if __name__ == "__main__":
unittest.main()
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