"""Tests for hermes_cli.logs — log viewing and filtering.""" import os from datetime import datetime, timedelta from pathlib import Path import pytest from hermes_cli.logs import ( LOG_FILES, _extract_level, _extract_logger_name, _line_matches_component, _matches_filters, _parse_line_timestamp, _parse_since, _read_last_n_lines, _read_tail, ) # --------------------------------------------------------------------------- # Timestamp parsing # --------------------------------------------------------------------------- class TestParseSince: def test_hours(self): cutoff = _parse_since("2h") assert cutoff is not None assert abs((datetime.now() - cutoff).total_seconds() - 7200) < 2 def test_minutes(self): cutoff = _parse_since("30m") assert cutoff is not None assert abs((datetime.now() - cutoff).total_seconds() - 1800) < 2 def test_days(self): cutoff = _parse_since("1d") assert cutoff is not None assert abs((datetime.now() - cutoff).total_seconds() - 86400) < 2 def test_seconds(self): cutoff = _parse_since("120s") assert cutoff is not None assert abs((datetime.now() - cutoff).total_seconds() - 120) < 2 def test_invalid_returns_none(self): assert _parse_since("abc") is None assert _parse_since("") is None assert _parse_since("10x") is None def test_whitespace_tolerance(self): cutoff = _parse_since(" 5m ") assert cutoff is not None class TestParseLineTimestamp: def test_standard_format(self): ts = _parse_line_timestamp("2026-04-11 10:23:45 INFO gateway.run: msg") assert ts == datetime(2026, 4, 11, 10, 23, 45) def test_no_timestamp(self): assert _parse_line_timestamp("no timestamp here") is None class TestExtractLevel: def test_info(self): assert _extract_level("2026-01-01 00:00:00 INFO gateway.run: msg") == "INFO" def test_warning(self): assert _extract_level("2026-01-01 00:00:00 WARNING tools.file: msg") == "WARNING" def test_error(self): assert _extract_level("2026-01-01 00:00:00 ERROR run_agent: msg") == "ERROR" def test_debug(self): assert _extract_level("2026-01-01 00:00:00 DEBUG agent.aux: msg") == "DEBUG" def test_no_level(self): assert _extract_level("random text") is None # --------------------------------------------------------------------------- # Logger name extraction (new for component filtering) # --------------------------------------------------------------------------- class TestExtractLoggerName: def test_standard_line(self): line = "2026-04-11 10:23:45 INFO gateway.run: Starting gateway" assert _extract_logger_name(line) == "gateway.run" def test_nested_logger(self): line = "2026-04-11 10:23:45 INFO gateway.platforms.telegram: connected" assert _extract_logger_name(line) == "gateway.platforms.telegram" def test_warning_level(self): line = "2026-04-11 10:23:45 WARNING tools.terminal_tool: timeout" assert _extract_logger_name(line) == "tools.terminal_tool" def test_with_session_tag(self): line = "2026-04-11 10:23:45 INFO [abc123] tools.file_tools: reading file" assert _extract_logger_name(line) == "tools.file_tools" def test_with_session_tag_and_error(self): line = "2026-04-11 10:23:45 ERROR [sess_xyz] agent.context_compressor: failed" assert _extract_logger_name(line) == "agent.context_compressor" def test_top_level_module(self): line = "2026-04-11 10:23:45 INFO run_agent: starting conversation" assert _extract_logger_name(line) == "run_agent" def test_no_match(self): assert _extract_logger_name("random text") is None class TestLineMatchesComponent: def test_gateway_component(self): line = "2026-04-11 10:23:45 INFO gateway.run: msg" assert _line_matches_component(line, ("gateway",)) def test_gateway_nested(self): line = "2026-04-11 10:23:45 INFO gateway.platforms.telegram: msg" assert _line_matches_component(line, ("gateway",)) def test_tools_component(self): line = "2026-04-11 10:23:45 INFO tools.terminal_tool: msg" assert _line_matches_component(line, ("tools",)) def test_agent_with_multiple_prefixes(self): prefixes = ("agent", "run_agent", "model_tools") assert _line_matches_component( "2026-04-11 10:23:45 INFO agent.context_compressor: msg", prefixes) assert _line_matches_component( "2026-04-11 10:23:45 INFO run_agent: msg", prefixes) assert _line_matches_component( "2026-04-11 10:23:45 INFO model_tools: msg", prefixes) def test_no_match(self): line = "2026-04-11 10:23:45 INFO tools.browser: msg" assert not _line_matches_component(line, ("gateway",)) def test_with_session_tag(self): line = "2026-04-11 10:23:45 INFO [abc] gateway.run: msg" assert _line_matches_component(line, ("gateway",)) def test_unparseable_line(self): assert not _line_matches_component("random text", ("gateway",)) # --------------------------------------------------------------------------- # Combined filter # --------------------------------------------------------------------------- class TestMatchesFilters: def test_no_filters_passes_everything(self): assert _matches_filters("any line") def test_level_filter(self): assert _matches_filters( "2026-01-01 00:00:00 WARNING x: msg", min_level="WARNING") assert not _matches_filters( "2026-01-01 00:00:00 INFO x: msg", min_level="WARNING") def test_session_filter(self): assert _matches_filters( "2026-01-01 00:00:00 INFO [abc123] x: msg", session_filter="abc123") assert not _matches_filters( "2026-01-01 00:00:00 INFO [xyz789] x: msg", session_filter="abc123") def test_component_filter(self): assert _matches_filters( "2026-01-01 00:00:00 INFO gateway.run: msg", component_prefixes=("gateway",)) assert not _matches_filters( "2026-01-01 00:00:00 INFO tools.file: msg", component_prefixes=("gateway",)) def test_combined_filters(self): """All filters must pass for a line to match.""" line = "2026-04-11 10:00:00 WARNING [sess_1] gateway.run: connection lost" assert _matches_filters( line, min_level="WARNING", session_filter="sess_1", component_prefixes=("gateway",), ) # Fails component filter assert not _matches_filters( line, min_level="WARNING", session_filter="sess_1", component_prefixes=("tools",), ) def test_since_filter(self): # Line with a very old timestamp should be filtered out assert not _matches_filters( "2020-01-01 00:00:00 INFO x: old msg", since=datetime.now() - timedelta(hours=1)) # Line with a recent timestamp should pass recent = datetime.now().strftime("%Y-%m-%d %H:%M:%S") assert _matches_filters( f"{recent} INFO x: recent msg", since=datetime.now() - timedelta(hours=1)) # --------------------------------------------------------------------------- # File reading # --------------------------------------------------------------------------- class TestReadTail: def test_read_small_file(self, tmp_path): log_file = tmp_path / "test.log" lines = [f"2026-01-01 00:00:0{i} INFO x: line {i}\n" for i in range(10)] log_file.write_text("".join(lines)) result = _read_last_n_lines(log_file, 5) assert len(result) == 5 assert "line 9" in result[-1] def test_read_with_component_filter(self, tmp_path): log_file = tmp_path / "test.log" lines = [ "2026-01-01 00:00:00 INFO gateway.run: gw msg\n", "2026-01-01 00:00:01 INFO tools.file: tool msg\n", "2026-01-01 00:00:02 INFO gateway.session: session msg\n", "2026-01-01 00:00:03 INFO agent.compressor: agent msg\n", ] log_file.write_text("".join(lines)) result = _read_tail( log_file, 50, has_filters=True, component_prefixes=("gateway",), ) assert len(result) == 2 assert "gw msg" in result[0] assert "session msg" in result[1] def test_empty_file(self, tmp_path): log_file = tmp_path / "empty.log" log_file.write_text("") result = _read_last_n_lines(log_file, 10) assert result == [] # --------------------------------------------------------------------------- # LOG_FILES registry # --------------------------------------------------------------------------- class TestLogFiles: def test_known_log_files(self): assert "agent" in LOG_FILES assert "errors" in LOG_FILES assert "gateway" in LOG_FILES