"""Unit regression tests for Issue #708: Connected-but-namespaces-missing detection and attachment safety."""

import mcp_namespace_health


def test_assess_connected_namespace_attachment_success():
    connected = ["gitea-author", "gitea-reviewer", "gitea-merger"]
    attached = ["gitea-author", "gitea-reviewer", "gitea-merger"]
    res = mcp_namespace_health.assess_connected_namespace_attachment(
        connected_servers=connected,
        attached_session_namespaces=attached,
    )
    assert res["success"] is True
    assert res["attachment_healthy"] is True
    assert res["discovery_status"] == "namespaces_attached"
    assert res["error_type"] is None
    assert res["missing_namespaces"] == []
    assert res["exact_next_action"] == "None; session tool namespaces attached."


def test_assess_connected_namespace_attachment_missing():
    connected = ["gitea-author", "gitea-reviewer", "gitea-merger"]
    attached = ["gitea-author"]
    res = mcp_namespace_health.assess_connected_namespace_attachment(
        connected_servers=connected,
        attached_session_namespaces=attached,
    )
    assert res["success"] is False
    assert res["attachment_healthy"] is False
    assert res["discovery_status"] == "connected_but_namespaces_missing"
    assert res["error_type"] == "mcp_connected_namespaces_missing"
    assert "gitea-reviewer" in res["missing_namespaces"]
    assert "gitea-merger" in res["missing_namespaces"]
    assert "Reconnect the IDE/client MCP session" in res["exact_next_action"]


def test_assess_connected_namespace_attachment_disconnected():
    res = mcp_namespace_health.assess_connected_namespace_attachment(
        connected_servers=[],
        attached_session_namespaces=[],
    )
    assert res["success"] is False
    assert res["attachment_healthy"] is False
    assert res["discovery_status"] == "disconnected"


def test_proof_of_connected_vs_attached_mapping():
    connected = ["gitea-author", "gitea-reviewer"]
    attached = ["gitea-author"]
    res = mcp_namespace_health.assess_connected_namespace_attachment(
        connected_servers=connected,
        attached_session_namespaces=attached,
    )
    proof = res["proof_of_connected_vs_attached"]
    assert proof["gitea-author"] == {"connected": True, "attached": True}
    assert proof["gitea-reviewer"] == {"connected": True, "attached": False}


def test_unsafe_fallback_policy_enforcement():
    res = mcp_namespace_health.assess_connected_namespace_attachment(
        connected_servers=["gitea-author"],
        attached_session_namespaces=[],
    )
    policy = res["unsafe_fallback_policy"]
    assert "Workflow Safety Hard Stop (#708)" in policy
    assert "direct imports" in policy
    assert "API mutations" in policy
    assert "profile hopping" in policy
    assert "session-state overrides" in policy