ariadne/tests/test_hermes_incident_attribution.py

"""Tests that an issue attributes its finding to whoever actually made it."""

from __future__ import annotations

from types import SimpleNamespace

from ariadne.services import hermes_incident_body as body
from ariadne.services import hermes_incident_issue as module

def test_body_does_not_claim_a_diagnosis_that_never_happened() -> None:
    """A hung build is escalated without any model call.

    Saying it came "from a Hermes Agent diagnosis" would misattribute a direct
    observation to a model conclusion.
    """

    context = module.issue_context(
        {"incident_id": "metis/272", "job": "metis", "build_number": 272},
        {
            "bundle": {
                "jenkins": {
                    "url": "https://ci.example/job/metis/272/",
                    "console_failures": [],
                    "console_tail": "Build metis #272 has been running for 75.0 minutes.",
                }
            },
            "outcome": None,
            "authorize_reason": "hung_build",
            "run_id": None,
        },
    )
    rendered = body.issue_body(context)

    assert "No Hermes diagnosis was requested" in rendered
    assert "from a Hermes Agent diagnosis" not in rendered
    assert "has been running for 75.0 minutes" in rendered


def test_body_keeps_the_hermes_attribution_when_a_run_happened() -> None:
    context = module.issue_context(
        {"incident_id": "metis/272", "job": "metis", "build_number": 272},
        {"bundle": {}, "outcome": None, "authorize_reason": "x", "run_id": "run_abc"},
    )
    rendered = body.issue_body(context)

    assert "run `run_abc`" in rendered
    assert "No Hermes diagnosis was requested" not in rendered


def test_observation_is_omitted_when_a_diagnosis_cited_facts() -> None:
    """Console text is a fallback, not a duplicate of a real diagnosis."""

    jenkins = {"console_failures": [{"text": "boom"}], "console_tail": "tail text"}
    assert module._observation(jenkins) == ""
    assert module._observation(None) == ""
    assert module._observation({"console_tail": "  only tail  "}) == "only tail"


def test_headline_credits_ariadne_when_no_model_ran() -> None:
    """The summary line is read first; it must not credit a model either."""

    context = module.issue_context(
        {"incident_id": "lesavka/584", "job": "lesavka", "build_number": 584},
        {"bundle": {}, "outcome": None, "authorize_reason": "hung_build",
         "run_id": None, "classification": "build_exceeded_time_cap"},
    )
    rendered = body.issue_body(context)

    assert rendered.startswith("Ariadne recorded incident `lesavka/584` as **build_exceeded_time_cap**.")
    assert "Hermes auto-triage classified" not in rendered


def test_headline_keeps_hermes_wording_and_confidence_for_a_real_run() -> None:
    decision = SimpleNamespace(
        classification="pytest_test_failure", confidence=0.99,
        first_failed_gate="tests", reason="r", facts=[], inferences=[],
    )
    context = module.issue_context(
        {"incident_id": "ariadne/409", "job": "ariadne", "build_number": 409},
        {"bundle": {}, "outcome": SimpleNamespace(decision=decision),
         "authorize_reason": "human_required", "run_id": "run_abc"},
    )
    rendered = body.issue_body(context)

    assert "Hermes auto-triage classified incident `ariadne/409`" in rendered
    assert "confidence 0.99" in rendered


def test_explicit_classification_is_used_only_without_a_decision() -> None:
    """A real diagnosis must never be overridden by a fallback label."""

    decision = SimpleNamespace(
        classification="pytest_test_failure", confidence=0.9,
        first_failed_gate="t", reason="r", facts=[], inferences=[],
    )
    ctx = module.issue_context(
        {"incident_id": "a/1", "job": "a", "build_number": 1},
        {"bundle": {}, "outcome": SimpleNamespace(decision=decision),
         "classification": "build_exceeded_time_cap", "run_id": "run_x"},
    )
    assert ctx["classification"] == "pytest_test_failure"