"""Tests for Java log parser."""
from pathlib import Path
import pytest
from codesdevs_log_analyzer.models import LogLevel
from codesdevs_log_analyzer.parsers.java import JavaLogParser
class TestJavaLogParser:
"""Tests for JavaLogParser."""
@pytest.fixture
def parser(self) -> JavaLogParser:
"""Create parser instance."""
return JavaLogParser()
def test_can_parse_log4j_format(self, parser: JavaLogParser) -> None:
"""Test can_parse returns True for Log4j format."""
line = "2026-01-15 10:30:00,123 INFO [main] com.example.App - Message"
assert parser.can_parse(line)
def test_can_parse_logback_format(self, parser: JavaLogParser) -> None:
"""Test can_parse returns True for Logback format."""
line = "2026-01-15 10:30:00.123 [main] INFO com.example.App - Message"
assert parser.can_parse(line)
def test_can_parse_invalid_line(self, parser: JavaLogParser) -> None:
"""Test can_parse returns False for invalid lines."""
assert not parser.can_parse("Jan 15 10:30:00 syslog")
assert not parser.can_parse("Not a log line")
def test_parse_log4j_format(self, parser: JavaLogParser) -> None:
"""Test parsing Log4j format."""
line = "2026-01-15 10:30:00,123 ERROR [main] com.example.Service - Error occurred"
entry = parser.parse_line(line, 1)
assert entry is not None
assert entry.message == "Error occurred"
assert entry.level == LogLevel.ERROR
assert entry.metadata["thread"] == "main"
assert entry.metadata["logger"] == "com.example.Service"
def test_parse_logback_format(self, parser: JavaLogParser) -> None:
"""Test parsing Logback format."""
line = "2026-01-15 10:30:00.123 [pool-1-thread-1] WARN c.e.Cache - Cache miss"
entry = parser.parse_line(line, 1)
assert entry is not None
assert entry.level == LogLevel.WARN
assert entry.metadata["thread"] == "pool-1-thread-1"
def test_parse_timestamp(self, parser: JavaLogParser) -> None:
"""Test timestamp extraction."""
line = "2026-01-15 10:30:00,123 INFO [main] App - test"
entry = parser.parse_line(line, 1)
assert entry is not None
assert entry.timestamp is not None
assert entry.timestamp.year == 2026
def test_is_continuation_stack_frame(self, parser: JavaLogParser) -> None:
"""Test stack frame continuation detection."""
assert parser.is_continuation("\tat com.example.Class.method(File.java:123)")
assert parser.is_continuation(" at com.example.Class.method(File.java:123)")
assert parser.is_continuation("Caused by: java.lang.Exception: message")
assert parser.is_continuation("\t... 10 more")
def test_is_continuation_normal_line(self, parser: JavaLogParser) -> None:
"""Test normal lines are not continuations."""
assert not parser.is_continuation("2026-01-15 10:30:00,123 INFO [main] App - test")
def test_parse_file(self, parser: JavaLogParser, java_log_file: Path) -> None:
"""Test parsing Java log file."""
entries = list(parser.parse_file(str(java_log_file)))
assert len(entries) > 0
def test_detect_confidence(self, sample_java_lines: list[str]) -> None:
"""Test format detection confidence."""
confidence = JavaLogParser.detect_confidence(sample_java_lines)
assert confidence > 0.7
