Enable test coverage report according to README (#399)

Signed-off-by: sschulz92 <bastie92_spam@gmx.de>

build.py

@@ -102,13 +102,17 @@ def copy(src, dest):
 """
 
 
-def run_tests():
+def run_tests() -> int:
     pp = "PYTHONPATH"
     os.environ[pp] = str(ROOT_DIR)
     exit_code = 0
-    for file_name_path in glob.glob(f"{ROOT_DIR}/tests/**/test_*.py", recursive=True):
-        exit_code = call([sys.executable, file_name_path]
-                         ) if exit_code == 0 else exit_code
+    all_python_test_files = glob.glob(f"{ROOT_DIR}/tests/**/test_*.py", recursive=True)
+    for i, file_name_path in enumerate(all_python_test_files):
+        command = ["coverage", "run", file_name_path]
+        exit_code = call(command) if exit_code == 0 else exit_code
+        # Keep coverage files
+        os.rename(".coverage", f".coverage.{i}")
+    call(["coverage", "combine"])
     return exit_code
 
 

getgauge/exceptions.py

@@ -0,0 +1,4 @@
+class MultipleImplementationFoundException(Exception):
+    def __init__(self, message):
+        super().__init__(message)
+        self.message = message

getgauge/impl_loader.py

@@ -1,16 +1,17 @@
 import importlib
 import inspect
 import json
+import os
 import re
 import shutil
 import sys
 import traceback
-from os import path
 from contextlib import contextmanager
+from os import path
 
 from getgauge import logger
 from getgauge.registry import registry
-from getgauge.util import *
+from getgauge.util import get_project_root, get_step_impl_dirs
 
 project_root = get_project_root()
 impl_dirs = get_step_impl_dirs()
@@ -50,9 +51,8 @@ def copy_skel_files():
         shutil.copytree(os.path.join(SKEL,path.basename(impl_dirs[0]) ), impl_dirs[0])
         logger.info('create  {}'.format(os.path.join(env_dir, PYTHON_PROPERTIES)))
         shutil.copy(os.path.join(SKEL, PYTHON_PROPERTIES), env_dir)
-        f = open(requirements_file, 'w')
-        f.write('getgauge==' + _get_version())
-        f.close()
+        with open(requirements_file, 'w', encoding="utf-8") as f:
+            f.write('getgauge==' + _get_version())
     except:
         logger.fatal('Exception occurred while copying skel files.\n{}.'.format(traceback.format_exc()))
 
@@ -95,10 +95,10 @@ def _import_file(base_dir, file_path):
     except:
         logger.fatal('Exception occurred while loading step implementations from file: {}.\n{}'.format(rel_path, traceback.format_exc()))
 
-# Inject instace in each class method (hook/step)
+# Inject instance in each class method (hook/step)
 def update_step_registry_with_class(instance, file_path):
     # Resolve the absolute path from relative path
-    file_path = os.path.abspath(file_path) if '..' in file_path else file_path
+    file_path = os.path.abspath(file_path) if str(file_path).startswith("..") else file_path
     method_list = registry.get_all_methods_in(file_path)
     for info in method_list:
         class_methods = [x[0] for x in inspect.getmembers(instance, inspect.ismethod)]
@@ -107,13 +107,14 @@ def update_step_registry_with_class(instance, file_path):
     return method_list
 
 def _get_version():
-    json_data = open(PLUGIN_JSON).read()
-    data = json.loads(json_data)
+    with open(PLUGIN_JSON, "r", encoding="utf-8") as json_data:
+        data = json.loads(json_data.read())
     return data[VERSION]
 
-def _has_methods_with_gauge_decoratores(klass):
-    foo = r"@(step|before_suite|after_suite|before_scenario|after_scenario|before_spec|after_spec|before_step|after_step|screenshot|custom_screen_grabber)"
+def _has_methods_with_gauge_decoratores(klass) -> bool:
+    gauge_decorator_pattern = r"@(step|before_suite|after_suite|before_scenario|after_scenario|before_spec|after_spec|before_step|after_step|screenshot|custom_screen_grabber)"
     sourcelines = inspect.getsourcelines(klass)[0]
-    for i,line in enumerate(sourcelines):
-        if re.match(foo, line.strip()) != None:
+    for line in sourcelines:
+        if re.match(gauge_decorator_pattern, line.strip()) is not None:
             return True
+    return False

getgauge/processor.py

@@ -1,9 +1,5 @@
-import os
-import traceback
-from os import environ, path
-from threading import Timer
+from os import path
 
-from getgauge import logger
 from getgauge.executor import (create_execution_status_response,
                                execute_method, run_hook)
 from getgauge.impl_loader import load_impls
@@ -17,6 +13,7 @@
                            read_file_contents)
 from getgauge.validator import validate_step
 
+
 def process_validate_step_request(request):
     return validate_step(request)
 
@@ -47,7 +44,7 @@ def process_refactor_request(request):
         refactor_step(request, response)
     except Exception as e:
         response.success = False
-        response.error = 'Reason: {}'.format(e.__str__())
+        response.error = f"Reason: {e}"
     return response
 
 
@@ -175,7 +172,7 @@ def _load_from_disk(file_path):
 def process_cache_file_request(request):
     file = request.filePath
     status = request.status
-    if status == CacheFileRequest.CHANGED or status == CacheFileRequest.OPENED:
+    if status in [CacheFileRequest.CHANGED, CacheFileRequest.OPENED]:
         reload_steps(file, request.content)
     elif status == CacheFileRequest.CREATED:
         if not registry.is_file_cached(file):
@@ -225,15 +222,15 @@ def process_stub_impl_request(request):
         prefix = "from getgauge.python import step\n"
         span = Span(**{'start': 0, 'startChar': 0, 'end': 0, 'endChar': 0})
     codes = [prefix] + codes[:]
-    textDiffs = [TextDiff(**{'span': span, 'content': '\n'.join(codes)})]
+    text_diffs = [TextDiff(**{'span': span, 'content': '\n'.join(codes)})]
     response.filePath = file_name
-    response.textDiffs.extend(textDiffs)
+    response.textDiffs.extend(text_diffs)
     return response
 
 
 def process_glob_pattern_request(request):
     res = ImplementationFileGlobPatternResponse()
-    globPatterns = [["{}/**/*.py".format(d)] for d in get_step_impl_dirs()]
+    glob_patterns = [[f"{d}/**/*.py"] for d in get_step_impl_dirs()]
     res.globPatterns.extend(
-        [item for sublist in globPatterns for item in sublist])
+        [item for sublist in glob_patterns for item in sublist])
     return res

getgauge/refactor.py

@@ -1,12 +1,13 @@
-from getgauge.messages.messages_pb2 import RefactorResponse, TextDiff
+from getgauge.exceptions import MultipleImplementationFoundException
+from getgauge.messages.messages_pb2 import TextDiff
 from getgauge.messages.spec_pb2 import Span
 from getgauge.parser import Parser
 from getgauge.registry import registry
 
 
 def refactor_step(request, response):
     if registry.has_multiple_impls(request.oldStepValue.stepValue):
-        raise Exception('Multiple Implementation found for `{}`'.format(
+        raise MultipleImplementationFoundException('Multiple Implementation found for `{}`'.format(
             request.oldStepValue.parameterizedStepValue
         ))
     info = registry.get_info_for(request.oldStepValue.stepValue)
@@ -18,7 +19,7 @@ def refactor_step(request, response):
     )
     content = impl_file.get_code()
     if request.saveChanges:
-        with open(info.file_name, 'w') as f:
+        with open(info.file_name, 'w', encoding="utf-8") as f:
             f.write(content)
     response.success = True
     response.filesChanged.append(info.file_name)
@@ -31,6 +32,6 @@ def refactor_step(request, response):
 
 def _new_parameter_positions(request):
     moved_pos = list(range(len(request.paramPositions)))
-    for index, position in enumerate(request.paramPositions):
+    for position in request.paramPositions:
         moved_pos[position.newPosition] = position.oldPosition
     return moved_pos

requirements.txt

@@ -31,3 +31,4 @@ twine==5.1.1
 urllib3==2.2.3
 webencodings==0.5.1
 zipp==3.20.2
+coverage==7.6.1

tests/test_impl_loader.py

@@ -1,15 +1,15 @@
 import os
 import unittest
 
-from test_relative_import.relative_import_class import Sample
 from getgauge.impl_loader import update_step_registry_with_class
+from test_relative_import.relative_import_class import Sample
 
 
 class ImplLoaderTest(unittest.TestCase):
     def setUp(self):
         self.relative_file_path = os.path.join('..', 'test_relative_import', 'relative_import_class.py')
 
-    def test_update_step_resgistry_with_class(self):
+    def test_update_step_registry_with_class(self):
         curr_dir = os.getcwd()
         os.chdir('tests')
         method_list = update_step_registry_with_class(Sample(), self.relative_file_path)
@@ -18,6 +18,6 @@ def test_update_step_resgistry_with_class(self):
                           "Greet <name> from outside the class"], 
                           [method.step_text for method in method_list])
 
-    
+
 if __name__ == '__main__':
     unittest.main()