def test_read_data_correctly():
HERE = pathlib.Path(__file__).parents[3]
data = utils.read_to_df(HERE / 'source/CyberBullying/dataNew.csv')
assert 'text' in data.columns
assert 'cb_level' in data.columns
assert data.shape[0] > 0
def test_feature_extraction():
try:
tagged_df = utils.read_to_df(ROOT + '/source/CyberBullying/dataNew.csv')
pre.preprocess(tagged_df)
assert isinstance(fe.extract_features(tagged_df, FEATURE_LIST), pd.DataFrame)
except Exception:
pytest.fail('Unexpected error..')
def test_extract_features_with_wrong_feature_list():
HERE = pathlib.Path(__file__).parents[3]
test_df = utils.read_to_df(HERE / 'source/CyberBullying/dataNew.csv')
with pytest.raises(ValueError):
feature_list = ['wrong', 'feature', 'list']
fe.extract_features(test_df, feature_list)
def test_train_model():
rf_obj = rf.RandomForest()
tagged_df = utils.read_to_df(ROOT + '/source/CyberBullying/dataNew.csv')
tagged_df = pre.preprocess(tagged_df)
feature_list = ['post_length', 'tfidf', 'topics', 'screamer', 'words', 'off_dis', 'not_off_dis']
X = fe.extract_features(tagged_df, feature_list)
X = X.drop(columns=['id'])
y = (tagged_df['cb_level'] == 3).astype(int)
rf_obj.train(X, y)
assert rf_obj.model is not None
def test_explain_dataset():
model = utils.get_model(ROOT + '/source/CyberBullying/outputs/RandomForest.pkl')
tagged_df = utils.read_to_df(ROOT + '/source/CyberBullying/dataNew.csv')
tagged_df = pre.preprocess(tagged_df)
feature_list = ['post_length', 'tfidf', 'topics', 'screamer', 'words', 'off_dis', 'not_off_dis']
X = fe.extract_features(tagged_df, feature_list)
X = X.drop(columns=['id'])
explanation.explain_model(model, X)
assert os.path.isfile(ROOT + '/source/CyberBullying/outputs/dependence_plot.png')
assert os.path.isfile(ROOT + '/source/CyberBullying/outputs/summary_plot_bar.png')
assert os.path.isfile(ROOT + '/source/CyberBullying/outputs/summary_plot.png')
def test_explainability():
try:
model = utils.get_model(ROOT + '/source/CyberBullying/outputs/RandomForest.pkl')
tagged_df = utils.read_to_df(ROOT + '/source/CyberBullying/dataNew.csv')
tagged_df = pre.preprocess(tagged_df)
X = fe.extract_features(tagged_df, FEATURE_LIST)
X = X.drop(columns=['id'])
explanation.explain_model(model, X)
explanation.explain_class(model, X)
except Exception:
pytest.fail('Unexpected error..')
def test_classicifation():
try:
tagged_df = utils.read_to_df(ROOT + '/source/CyberBullying/dataNew.csv')
pre.preprocess(tagged_df)
X = fe.extract_features(tagged_df, FEATURE_LIST)
y = (tagged_df['cb_level'] == 3).astype(int)
X = X.drop(columns=['id'])
rf_obj = rf.RandomForest()
rf_obj.train(X, y)
rf_obj.predict(X)
assert os.path.isfile(ROOT + '/source/CyberBullying/outputs/RandomForest.pkl')
except Exception:
pytest.fail('Unexpected error..')
def test_performance():
model = utils.get_model(ROOT + '/source/CyberBullying/outputs/RandomForest.pkl')
rf_obj = rf.RandomForest()
rf_obj.model = model
df = utils.read_to_df(ROOT + '/source/CyberBullying/dataNew.csv')
df = pre.preprocess(df)
X = fe.extract_features(df, FEATURE_LIST)
X = X.drop(columns=['id'])
y = (df['cb_level'] == 3).astype(int)
y_prob_rf = rf_obj.predict(X)
pred = np.where(y_prob_rf > 0.5, 1, 0)
performance = per.get_performances(y, pred)
assert 'f-score' in performance.keys()
assert 'recall' in performance.keys()
assert 'precision' in performance.keys()
""" Experiment - includes a complete experiment that runs the following models: baseline, XGBoost, Random forest, and Naive Bayes. The experiment saves their results, to choose the best model with the best results. """ """ Creating the logger """ logger = Logger.get_logger_instance() """ get tagged df """ tagged_df = utils.read_to_df() # Vigo data # tagged_df = utils.create_csv_from_keepers_files() # Keepers data """ Run a pre-processing function on the tagged data """ tagged_df = pre.preprocess(tagged_df) """ Run a extract features function on the clean and tagged data """ feature_list = ['post_length', 'tfidf', 'topics', 'screamer', 'words', 'off_dis', 'not_off_dis'] fe.folder_name = logger.folder_name X = fe.extract_features(tagged_df, feature_list) logger.write_features(feature_list) y = (tagged_df['cb_level'] == 3).astype(int)
def test_read_data_with_bad_file():
HERE = pathlib.Path(__file__).parents[1]
with pytest.raises(ValueError):
utils.read_to_df(HERE / 'badFile.csv')
def test_read_data_from_unknown_path():
with pytest.raises(FileNotFoundError):
utils.read_to_df('unknown/path')
def test_preprocessing():
try:
tagged_df = utils.read_to_df(ROOT + '/source/CyberBullying/dataNew.csv')
assert isinstance(pre.preprocess(tagged_df), pd.DataFrame)
except Exception:
pytest.fail('Unexpected error..')
