v2.18.0 (#843)

Co-authored-by: Clément Drouin <clement.drouin@mistral.ai>
Co-authored-by: Clément Sirieix <clement.sirieix@mistral.ai>
Co-authored-by: Cyprien <courtot.c@gmail.com>
Co-authored-by: Guillaume LE GOFF <guillaume.lgf@gmail.com>
Co-authored-by: Jean Burellier <sheplu@users.noreply.github.com>
Co-authored-by: Kim-Adeline Miguel <51720070+kimadeline@users.noreply.github.com>
Co-authored-by: Mathias Gesbert <mathias.gesbert@mistral.ai>
Co-authored-by: Nelson PROIA <144663685+Nelson-PROIA@users.noreply.github.com>
Co-authored-by: Paul VEZIA <166131032+le-codeur-rapide@users.noreply.github.com>
Co-authored-by: Pierre Rossinès <pierre.rossines@mistral.ai>
Co-authored-by: Quentin <quentin.torroba@mistral.ai>
Co-authored-by: Vincent G <10739306+VinceOPS@users.noreply.github.com>
Co-authored-by: josephine-delas <57808586+josephine-delas@users.noreply.github.com>
Co-authored-by: Mistral Vibe <vibe@mistral.ai>

tests/cli/textual_ui/test_lazy_startup_imports.py

@@ -0,0 +1,162 @@
+from __future__ import annotations
+
+import os
+from pathlib import Path
+import subprocess
+import sys
+
+
+def test_importing_tui_app_does_not_import_deferred_startup_modules() -> None:
+    code = """
+import sys
+import vibe.cli.textual_ui.app
+
+blocked = [
+    "vibe.cli.textual_ui.widgets.connector_auth_app",
+    "vibe.cli.textual_ui.widgets.mcp_app",
+    "vibe.core.agent_loop",
+    "vibe.core.tools.connectors.connector_registry",
+    "vibe.core.tools.mcp.tools",
+    "mcp",
+    "git",
+]
+loaded = [name for name in blocked if name in sys.modules]
+if loaded:
+    raise SystemExit(f"unexpected startup modules loaded: {loaded}")
+"""
+
+    result = subprocess.run(
+        [sys.executable, "-c", code], check=False, capture_output=True, text=True
+    )
+
+    assert result.returncode == 0, result.stderr or result.stdout
+
+
+def test_importing_agent_loop_does_not_import_remote_tool_modules() -> None:
+    code = """
+import sys
+import vibe.core.agent_loop
+
+blocked = [
+    "vibe.core.tools.connectors.connector_registry",
+    "vibe.core.tools.mcp.tools",
+    "vibe.core.teleport.git",
+    "vibe.core.teleport.teleport",
+    "mcp",
+    "git",
+]
+loaded = [name for name in blocked if name in sys.modules]
+if loaded:
+    raise SystemExit(f"unexpected agent loop modules loaded: {loaded}")
+"""
+
+    result = subprocess.run(
+        [sys.executable, "-c", code], check=False, capture_output=True, text=True
+    )
+
+    assert result.returncode == 0, result.stderr or result.stdout
+
+
+def test_importing_connector_registry_does_not_import_mcp_runtime() -> None:
+    code = """
+import sys
+import vibe.core.tools.connectors.connector_registry
+
+blocked = [
+    "vibe.core.tools.mcp.tools",
+    "mcp",
+]
+loaded = [name for name in blocked if name in sys.modules]
+if loaded:
+    raise SystemExit(f"unexpected connector registry modules loaded: {loaded}")
+"""
+
+    result = subprocess.run(
+        [sys.executable, "-c", code], check=False, capture_output=True, text=True
+    )
+
+    assert result.returncode == 0, result.stderr or result.stdout
+
+
+def test_importing_mcp_app_does_not_import_mcp_runtime() -> None:
+    code = """
+import sys
+import vibe.cli.textual_ui.widgets.mcp_app
+
+blocked = [
+    "vibe.core.tools.mcp.tools",
+    "mcp",
+]
+loaded = [name for name in blocked if name in sys.modules]
+if loaded:
+    raise SystemExit(f"unexpected mcp app modules loaded: {loaded}")
+"""
+
+    result = subprocess.run(
+        [sys.executable, "-c", code], check=False, capture_output=True, text=True
+    )
+
+    assert result.returncode == 0, result.stderr or result.stdout
+
+
+def test_constructing_deferred_agent_loop_does_not_import_mcp_package(
+    tmp_path: Path,
+) -> None:
+    code = """
+import sys
+
+from vibe.core.agent_loop import AgentLoop
+from vibe.core.config import SessionLoggingConfig, VibeConfig
+from vibe.core.config.harness_files import (
+    init_harness_files_manager,
+    reset_harness_files_manager,
+)
+
+
+class Backend:
+    async def complete(self, **kwargs):
+        raise AssertionError
+
+    async def __aexit__(self, *args):
+        return None
+
+
+init_harness_files_manager("user", "project")
+try:
+    config = VibeConfig(
+        enable_connectors=False,
+        session_logging=SessionLoggingConfig(enabled=False),
+    )
+    loop = AgentLoop(
+        config=config,
+        backend=Backend(),
+        defer_heavy_init=True,
+        headless=True,
+    )
+    if loop._deferred_init_thread is not None:
+        loop._deferred_init_thread.join()
+finally:
+    reset_harness_files_manager()
+
+blocked = [
+    "vibe.core.tools.mcp.tools",
+    "mcp",
+]
+loaded = [name for name in blocked if name in sys.modules]
+if loaded:
+    raise SystemExit(f"unexpected deferred agent loop modules loaded: {loaded}")
+"""
+
+    result = subprocess.run(
+        [sys.executable, "-c", code],
+        check=False,
+        capture_output=True,
+        text=True,
+        env={
+            **os.environ,
+            "VIBE_HOME": str(tmp_path),
+            "VIBE_TEST_DISABLE_KEYRING": "1",
+        },
+    )
+
+    assert result.returncode == 0, result.stderr or result.stdout