add pytest-cov and test validate_file_name

.gitignore

@@ -8,9 +8,12 @@ test.py
 .vscode
 .idea
 .tox
+.coverage
 
 dist/
 .pdm-python
 
 # Sphinx documentation
-docs/build/
+docs/build/
+
+!tests/dump/*

pydumpling/cli.py

@@ -1,21 +1,9 @@
 import argparse
-import os.path
 
 from .debug_dumpling import debug_dumpling, load_dumpling
-from .helpers import print_traceback_and_except
+from .helpers import print_traceback_and_except, validate_file_name
 from .rpdb import r_post_mortem
 
-DUMP_FILE_EXTENSION: str = ".dump"
-
-
-def validate_file_name(file_name: str) -> str:
-    """check file extension name and exists"""
-    if not file_name.endswith(DUMP_FILE_EXTENSION):
-        raise argparse.ArgumentTypeError("File must be .dump file")
-    if not os.path.exists(file_name):
-        raise argparse.ArgumentTypeError(f"File {file_name} not found")
-    return file_name
-
 
 parser = argparse.ArgumentParser(
     description="pydumpling cli tools",

pydumpling/helpers.py

@@ -1,9 +1,14 @@
 import sys
+import os.path
+import argparse
 from traceback import print_exception, print_tb
 
 from .pydumpling import save_dumping
 
 
+DUMP_FILE_EXTENSION: str = ".dump"
+
+
 def print_traceback_and_except(dumpling_result):
     exc_tb = dumpling_result["traceback"]
     except_extra = dumpling_result.get("exc_extra")
@@ -23,3 +28,12 @@ def _hook(exc_type, exc_value, exc_tb):
         original_hook(exc_type, exc_value, exc_tb)  # call sys original hook
 
     sys.excepthook = _hook
+
+
+def validate_file_name(file_name: str) -> str:
+    """check file extension name and exists"""
+    if not file_name.endswith(DUMP_FILE_EXTENSION):
+        raise argparse.ArgumentTypeError("File must be .dump file")
+    if not os.path.exists(file_name):
+        raise argparse.ArgumentTypeError(f"File {file_name} not found")
+    return file_name

pyproject.toml

@@ -2,7 +2,7 @@
 distribution = true
 
 [tool.pdm.scripts]
-test = {composite = ["pdm install", "flake8 ./pydumpling ./tests", "pytest tests/"]}
+test = {composite = ["pdm install", "flake8 ./pydumpling ./tests", "pytest --cov=pydumpling --cov-report=term-missing tests/"]}
 docs = {shell = "cd docs && make html"}  # build sphinx docs
 docs_export = { shell = "pdm export -G doc -o docs/requirements.txt --without-hashes" }  # export requirements for docs
 docs_preview = {shell = 'python -m http.server -d docs\build\html'}
@@ -14,6 +14,7 @@ includes = ["pydumpling/*.py"]
 test = [
     "pytest-order>=1.2.0",
     "flake8>=5.0.4",
+    "pytest-cov>=4.1.0",
 ]
 dev = [
     "tox-pdm>=0.6.1",

tests/test_helpers.py

@@ -0,0 +1,15 @@
+import pytest
+from argparse import ArgumentTypeError
+
+from pydumpling.helpers import validate_file_name
+
+
+def test_validate_file_name():
+    dump_file = "./tests/dump/validate_file_name.dump"
+    assert validate_file_name(dump_file) == dump_file
+
+    with pytest.raises(ArgumentTypeError, match="File must be .dump file"):
+        validate_file_name("test.txt")
+
+    with pytest.raises(ArgumentTypeError, match="File missing.dump not found"):
+        validate_file_name("missing.dump")