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import csv
import os
import sys
from io import StringIO
from agate import Table
from agate.data_types import Boolean, Date, DateTime, Number, Text, TimeDelta
from agate.testcase import AgateTestCase
class TestToCSV(AgateTestCase):
def setUp(self):
self.rows = (
(1, 'a', True, '11/4/2015', '11/4/2015 12:22 PM', '4:15'),
(2, '👍', False, '11/5/2015', '11/4/2015 12:45 PM', '6:18'),
(None, 'b', None, None, None, None)
)
self.column_names = [
'number', 'text', 'boolean', 'date', 'datetime', 'timedelta'
]
self.column_types = [
Number(), Text(), Boolean(), Date(), DateTime(), TimeDelta()
]
def test_to_csv_quote_nonnumeric(self):
table = Table(self.rows, self.column_names, self.column_types)
table.to_csv('.test.csv', quoting=csv.QUOTE_NONNUMERIC)
with open('.test.csv') as f:
contents1 = f.read()
with open('examples/test_quote_nonnumeric.csv') as f:
contents2 = f.read()
self.assertEqual(contents1, contents2)
os.remove('.test.csv')
def test_to_csv(self):
table = Table(self.rows, self.column_names, self.column_types)
table.to_csv('.test.csv')
with open('.test.csv') as f:
contents1 = f.read()
with open('examples/test.csv') as f:
contents2 = f.read()
self.assertEqual(contents1, contents2)
os.remove('.test.csv')
def test_to_csv_file_like_object(self):
table = Table(self.rows, self.column_names, self.column_types)
with open('.test.csv', 'w') as f:
table.to_csv(f)
# Should leave the file open
self.assertFalse(f.closed)
with open('.test.csv') as f:
contents1 = f.read()
with open('examples/test.csv') as f:
contents2 = f.read()
self.assertEqual(contents1, contents2)
os.remove('.test.csv')
def test_to_csv_to_stdout(self):
table = Table(self.rows, self.column_names, self.column_types)
output = StringIO()
table.to_csv(output)
contents1 = output.getvalue()
with open('examples/test.csv') as f:
contents2 = f.read()
self.assertEqual(contents1, contents2)
def test_to_csv_make_dir(self):
table = Table(self.rows, self.column_names, self.column_types)
table.to_csv('newdir/test.csv')
with open('newdir/test.csv') as f:
contents1 = f.read()
with open('examples/test.csv') as f:
contents2 = f.read()
self.assertEqual(contents1, contents2)
os.remove('newdir/test.csv')
os.rmdir('newdir/')
def test_print_csv(self):
table = Table(self.rows, self.column_names, self.column_types)
old = sys.stdout
sys.stdout = StringIO()
try:
table.print_csv()
contents1 = sys.stdout.getvalue()
with open('examples/test.csv') as f:
contents2 = f.read()
self.assertEqual(contents1, contents2)
finally:
sys.stdout = old
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