Hermes-agent

2026-06-14 14:30:48 -04:00
commit dac4b88b94
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+"""Tests for the structured logging dedup model.
+
+The contract: a 1000-write session in one project should emit exactly
+ONE INFO line ("active for <root>") at the default INFO threshold.
+Steady-state events stay at DEBUG; first-time-seen events surface
+once at INFO/WARNING.
+"""
+from __future__ import annotations
+
+import logging
+
+import pytest
+
+from agent.lsp import eventlog
+
+
+@pytest.fixture(autouse=True)
+def _reset():
+    eventlog.reset_announce_caches()
+    yield
+    eventlog.reset_announce_caches()
+
+
+@pytest.fixture
+def caplog_lsp(caplog):
+    caplog.set_level(logging.DEBUG, logger="hermes.lint.lsp")
+    return caplog
+
+
+# ---------------------------------------------------------------------------
+# Steady-state silence (DEBUG)
+# ---------------------------------------------------------------------------
+
+
+def test_clean_emits_at_debug(caplog_lsp):
+    for _ in range(10):
+        eventlog.log_clean("pyright", "/proj/x.py")
+    info_records = [r for r in caplog_lsp.records if r.levelno >= logging.INFO]
+    debug_records = [r for r in caplog_lsp.records if r.levelno == logging.DEBUG]
+    assert info_records == []
+    assert len(debug_records) == 10
+
+
+def test_disabled_emits_at_debug(caplog_lsp):
+    eventlog.log_disabled("pyright", "/x.py", "feature off")
+    eventlog.log_disabled("pyright", "/x.py", "ext not mapped")
+    assert all(r.levelno == logging.DEBUG for r in caplog_lsp.records)
+
+
+# ---------------------------------------------------------------------------
+# State transitions: INFO once, DEBUG thereafter
+# ---------------------------------------------------------------------------
+
+
+def test_active_for_fires_once_per_root(caplog_lsp):
+    for _ in range(50):
+        eventlog.log_active("pyright", "/proj")
+    info_records = [
+        r for r in caplog_lsp.records
+        if r.levelno == logging.INFO and "active for" in r.getMessage()
+    ]
+    assert len(info_records) == 1
+
+
+def test_active_for_fires_per_distinct_root(caplog_lsp):
+    eventlog.log_active("pyright", "/proj-a")
+    eventlog.log_active("pyright", "/proj-b")
+    info = [r for r in caplog_lsp.records if r.levelno == logging.INFO]
+    assert len(info) == 2
+
+
+def test_active_for_separate_per_server(caplog_lsp):
+    eventlog.log_active("pyright", "/proj")
+    eventlog.log_active("typescript", "/proj")
+    info = [r for r in caplog_lsp.records if r.levelno == logging.INFO]
+    assert len(info) == 2
+
+
+def test_no_project_root_fires_once_per_path(caplog_lsp):
+    for _ in range(5):
+        eventlog.log_no_project_root("pyright", "/orphan.py")
+    info = [r for r in caplog_lsp.records if r.levelno == logging.INFO]
+    assert len(info) == 1
+
+
+# ---------------------------------------------------------------------------
+# Diagnostics events fire INFO every time
+# ---------------------------------------------------------------------------
+
+
+def test_diagnostics_always_info(caplog_lsp):
+    for i in range(5):
+        eventlog.log_diagnostics("pyright", f"/x{i}.py", 1)
+    info = [r for r in caplog_lsp.records if r.levelno == logging.INFO]
+    assert len(info) == 5
+    assert all("diags" in r.getMessage() for r in info)
+
+
+# ---------------------------------------------------------------------------
+# Action-required: WARNING once, DEBUG thereafter (or per call for novel events)
+# ---------------------------------------------------------------------------
+
+
+def test_server_unavailable_warns_once_per_binary(caplog_lsp):
+    for _ in range(20):
+        eventlog.log_server_unavailable("pyright", "pyright-langserver")
+    warns = [r for r in caplog_lsp.records if r.levelno == logging.WARNING]
+    assert len(warns) == 1
+    assert "pyright-langserver" in warns[0].getMessage()
+
+
+def test_server_unavailable_separate_per_binary(caplog_lsp):
+    eventlog.log_server_unavailable("pyright", "pyright-langserver")
+    eventlog.log_server_unavailable("typescript", "typescript-language-server")
+    warns = [r for r in caplog_lsp.records if r.levelno == logging.WARNING]
+    assert len(warns) == 2
+
+
+def test_no_server_configured_warns_once(caplog_lsp):
+    for _ in range(10):
+        eventlog.log_no_server_configured("pyright")
+    warns = [r for r in caplog_lsp.records if r.levelno == logging.WARNING]
+    assert len(warns) == 1
+
+
+def test_timeout_warns_every_call(caplog_lsp):
+    for _ in range(3):
+        eventlog.log_timeout("pyright", "/x.py")
+    warns = [r for r in caplog_lsp.records if r.levelno == logging.WARNING]
+    assert len(warns) == 3
+
+
+def test_server_error_warns_every_call(caplog_lsp):
+    for _ in range(3):
+        eventlog.log_server_error("pyright", "/x.py", RuntimeError("boom"))
+    warns = [r for r in caplog_lsp.records if r.levelno == logging.WARNING]
+    assert len(warns) == 3
+
+
+def test_spawn_failed_warns(caplog_lsp):
+    eventlog.log_spawn_failed("pyright", "/proj", FileNotFoundError("nope"))
+    warns = [r for r in caplog_lsp.records if r.levelno == logging.WARNING]
+    assert len(warns) == 1
+    assert "spawn/initialize failed" in warns[0].getMessage()
+
+
+# ---------------------------------------------------------------------------
+# Format: log lines all carry the lsp[<server_id>] prefix for grep
+# ---------------------------------------------------------------------------
+
+
+def test_log_lines_use_lsp_prefix(caplog_lsp):
+    eventlog.log_clean("pyright", "/x.py")
+    eventlog.log_active("pyright", "/proj")
+    eventlog.log_diagnostics("typescript", "/y.ts", 2)
+    for r in caplog_lsp.records:
+        assert r.getMessage().startswith("lsp[")
+
+
+# ---------------------------------------------------------------------------
+# Steady-state contract: 1000 clean writes → 1 INFO at most
+# ---------------------------------------------------------------------------
+
+
+def test_thousand_clean_writes_emit_one_info(caplog_lsp):
+    """A long session writes lots of files cleanly; agent.log should
+    show ONE 'active for' INFO and zero other INFO lines."""
+    eventlog.log_active("pyright", "/proj")
+    for _ in range(1000):
+        eventlog.log_clean("pyright", "/proj/x.py")
+    info_records = [r for r in caplog_lsp.records if r.levelno == logging.INFO]
+    assert len(info_records) == 1
+    assert "active for" in info_records[0].getMessage()
+
+
+# ---------------------------------------------------------------------------
+# Path shortening
+# ---------------------------------------------------------------------------
+
+
+def test_short_path_uses_relative_when_inside_cwd(tmp_path, monkeypatch):
+    monkeypatch.chdir(tmp_path)
+    sub = tmp_path / "x.py"
+    sub.write_text("")
+    out = eventlog._short_path(str(sub))
+    assert out == "x.py"
+
+
+def test_short_path_keeps_absolute_when_outside(tmp_path, monkeypatch):
+    monkeypatch.chdir(tmp_path / "a") if (tmp_path / "a").exists() else None
+    monkeypatch.chdir(tmp_path)
+    other = "/var/log/foo.txt"
+    out = eventlog._short_path(other)
+    # Outside cwd: keeps absolute (no leading "../")
+    assert out == "/var/log/foo.txt" or not out.startswith("..")
+
+
+def test_short_path_handles_empty_string():
+    assert eventlog._short_path("") == ""