first commit

rasta_exp/tester/wognsen_et_al_tester.py

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+from .abstract_tester import abstract_tester
+import utils
+import error_collector as errors
+import datetime
+import re
+from typing import Type
+from pathlib import Path
+from typing import Optional
+from more_itertools import peekable
+
+
+class XsbError(errors.LoggedError):
+    def __init__(
+        self,
+        first_line_nb: int,
+        last_line_nb: int,
+        msg: str,
+        logfile_name: str = "",
+    ):
+        self.first_line_nb = first_line_nb
+        self.last_line_nb = last_line_nb
+        self.msg = msg
+        self.logfile_name = logfile_name
+
+    def __str__(self):
+        return f"++Error{self.msg}"
+
+    def get_dict(self) -> dict:
+        return {
+            "error_type": "Xsb",
+            "msg": self.msg,
+            "first_line": self.first_line_nb,
+            "last_line": self.last_line_nb,
+            "logfile_name": self.logfile_name,
+        }
+
+    @staticmethod
+    def parse_error(logs: peekable) -> Optional["XsbError"]:
+        line_nb, line = logs.peek((None, None))
+        if line is None or line_nb is None:
+            return None
+        if not line.startswith("++Error"):
+            return None
+        error = XsbError(line_nb, line_nb, line.strip())
+        next(logs)
+        return error
+
+
+class wognsen_et_al_tester(abstract_tester):
+    EXPECTED_ERROR_TYPES: list = [
+        errors.JavaError,
+        errors.NoPrefixJavaError,
+        errors.PythonError,
+        XsbError,
+    ]
+    TOOL_NAME = "wognsen_et_al"
+
+    def __init__(self):
+        super().__init__()
+
+    @classmethod
+    def check_success(cls, path: Path, apk_filename: str):
+        """Check if the analysis finished without crashing."""
+        # The tool is supposed to print the graph to stdout, if stdout
+        # is empty, it means the tool failed.
+        return (path / "stdout").stat().st_size > 1