creating tox env for testing using pytest framework

requirements-tox.txt

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+# dependencies for tox environment
+-e .
+
+fastapi==0.110.0
+hyperopt==0.2.7
+imbalanced_learn==0.12.0
+joblib==1.3.2
+matplotlib==3.8.3
+mlflow==2.11.1
+numpy==1.26.4
+pandas==2.2.1
+pydantic==2.6.4
+pytest==8.1.1
+PyYAML==6.0.1
+scikit_learn==1.4.1.post1
+setuptools==69.1.1
+streamlit==1.31.1
+uvicorn==0.28.0

tests/test_main.py

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+# data is properly loading from source or not
+# check build_features working or not    ---- done
+# check model training is working fine or not and model return kr rha he ki nahi
+# model tunning performance improve kr rha he ki nahi
+# check whether visualization is working fine or not, or plot return kr rha he ki nahi
+# check api working fine or not, response kya de rha he api glt or sahi input pr
+# check streamlit working fine or not,
+
+import pathlib
+import pytest
+import yaml
+from src.features.build_features import feat_eng
+from src.data.make_dataset import load_data
+
+curr_dir = pathlib.Path(__file__)
+home_dir = curr_dir.parent.parent
+
+params = yaml.safe_load(open(f"{home_dir.as_posix()}/params.yaml"))
+
+processed_data = params['make_dataset']['processed_data']
+data_source = f'{home_dir.as_posix()}{processed_data}/train.csv'
+
+
+# 'request' is a fixture that provides information about the currently executing test.
+# It allows us to access various attributes and methods to get information about the test
+# environment, access fixtures, and more.
+# here we are accessing current parameters value using request.param
+@pytest.fixture(params = [data_source])
+def load(request) : 
+     return feat_eng(load_data(request.param))
+
+def test_build_features(load) : 
+     assert load.shape[1] == 20
+
+
+
+'''
+tox.ini file initially khud se create karo or configure karo
+but ek cheez ka dhyan de ki agr test_files kisi dir me hoto kese tox.ini me mention krna he
+or khas baat requirements.txt dhyan se dena, local package bhi mention krna
+bss fix requirements.txt reload kr k testing kran hoto
+cmd: tox -r
+else cmd: tox
+'''

tox.ini

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-[flake8]
-max-line-length = 79
-max-complexity = 10
+[tox]                  # global settings
+envlist = py39         # define the list of environment to test against
+skipsdist = True        # skip creating package
+
+[testenv]
+deps = -rrequirements-tox.txt          # dependency
+commands = pytest tests/     # testcases