initial commits

tests/test_cli.py

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+from __future__ import annotations
+
+import shutil
+from pathlib import Path
+
+from nexus_claude_api.cli import main
+from nexus_claude_api.config import Settings, load_local_config
+from nexus_claude_api.shell import generate_claude_code_powershell
+
+
+def test_claude_code_command() -> None:
+    settings = Settings.from_values(
+        host="127.0.0.1",
+        port=4141,
+        api_key="test",
+        require_api_key=False,
+    )
+
+    command = generate_claude_code_powershell(settings)
+
+    assert "ANTHROPIC_BASE_URL" in command
+    assert "claude-sonnet-4.6" in command
+    assert command.endswith("claude")
+
+
+def test_missing_api_key_fails(monkeypatch) -> None:
+    tmp_path = _workspace_tmp("missing-key")
+    monkeypatch.delenv("NEXUS_API_KEY", raising=False)
+    monkeypatch.delenv("AWS_BEARER_TOKEN_BEDROCK", raising=False)
+    monkeypatch.chdir(tmp_path)
+
+    try:
+        exit_code = main(["start", "--dry-run"])
+    finally:
+        monkeypatch.chdir(Path(__file__).parents[1])
+        shutil.rmtree(tmp_path, ignore_errors=True)
+
+    assert exit_code == 2
+
+
+def test_local_config_api_key(monkeypatch) -> None:
+    tmp_path = _workspace_tmp("local-config")
+    monkeypatch.chdir(tmp_path)
+    (tmp_path / "nexus-claude-api.local.json").write_text(
+        '{"api_key": "local-test-key"}',
+        encoding="utf-8",
+    )
+
+    try:
+        settings = Settings.from_values(require_api_key=False)
+
+        assert settings.api_key == "local-test-key"
+        assert load_local_config()["api_key"] == "local-test-key"
+    finally:
+        monkeypatch.chdir(Path(__file__).parents[1])
+        shutil.rmtree(tmp_path, ignore_errors=True)
+
+
+def _workspace_tmp(name: str) -> Path:
+    path = Path(__file__).parents[1] / ".test-tmp" / name
+    shutil.rmtree(path, ignore_errors=True)
+    path.mkdir(parents=True, exist_ok=True)
+    return path