dify/api/tests/unit_tests/libs/test_pandas.py
2024-06-04 13:24:28 +08:00

63 lines
2.1 KiB
Python

import pandas as pd
def test_pandas_csv(tmp_path, monkeypatch):
monkeypatch.chdir(tmp_path)
data = {'col1': [1, 2.2, -3.3, 4.0, 5],
'col2': ['A', 'B', 'C', 'D', 'E']}
df1 = pd.DataFrame(data)
# write to csv file
csv_file_path = tmp_path.joinpath('example.csv')
df1.to_csv(csv_file_path, index=False)
# read from csv file
df2 = pd.read_csv(csv_file_path, on_bad_lines='skip')
assert df2[df2.columns[0]].to_list() == data['col1']
assert df2[df2.columns[1]].to_list() == data['col2']
def test_pandas_xlsx(tmp_path, monkeypatch):
monkeypatch.chdir(tmp_path)
data = {'col1': [1, 2.2, -3.3, 4.0, 5],
'col2': ['A', 'B', 'C', 'D', 'E']}
df1 = pd.DataFrame(data)
# write to xlsx file
xlsx_file_path = tmp_path.joinpath('example.xlsx')
df1.to_excel(xlsx_file_path, index=False)
# read from xlsx file
df2 = pd.read_excel(xlsx_file_path)
assert df2[df2.columns[0]].to_list() == data['col1']
assert df2[df2.columns[1]].to_list() == data['col2']
def test_pandas_xlsx_with_sheets(tmp_path, monkeypatch):
monkeypatch.chdir(tmp_path)
data1 = {'col1': [1, 2, 3, 4, 5],
'col2': ['A', 'B', 'C', 'D', 'E']}
df1 = pd.DataFrame(data1)
data2 = {'col1': [6, 7, 8, 9, 10],
'col2': ['F', 'G', 'H', 'I', 'J']}
df2 = pd.DataFrame(data2)
# write to xlsx file with sheets
xlsx_file_path = tmp_path.joinpath('example_with_sheets.xlsx')
sheet1 = 'Sheet1'
sheet2 = 'Sheet2'
with pd.ExcelWriter(xlsx_file_path) as excel_writer:
df1.to_excel(excel_writer, sheet_name=sheet1, index=False)
df2.to_excel(excel_writer, sheet_name=sheet2, index=False)
# read from xlsx file with sheets
with pd.ExcelFile(xlsx_file_path) as excel_file:
df1 = pd.read_excel(excel_file, sheet_name=sheet1)
assert df1[df1.columns[0]].to_list() == data1['col1']
assert df1[df1.columns[1]].to_list() == data1['col2']
df2 = pd.read_excel(excel_file, sheet_name=sheet2)
assert df2[df2.columns[0]].to_list() == data2['col1']
assert df2[df2.columns[1]].to_list() == data2['col2']