1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173
|
import json
import sys
from unittest.mock import patch
import agate
from csvkit.utilities.csvstat import CSVStat, launch_new_instance
from tests.utils import ColumnsTests, CSVKitTestCase, EmptyFileTests, NamesTests
class TestCSVStat(CSVKitTestCase, ColumnsTests, EmptyFileTests, NamesTests):
Utility = CSVStat
def test_launch_new_instance(self):
with patch.object(sys, 'argv', [self.Utility.__name__.lower(), 'examples/dummy.csv']):
launch_new_instance()
def test_options(self):
self.assertError(
launch_new_instance,
['--min', '--max'],
'Only one operation argument may be specified (--mean, --median, etc).',
)
def test_format_options(self):
for option in ('csv', 'json', 'count'):
with self.subTest(option=option):
self.assertError(
launch_new_instance,
['--min', f'--{option}'],
f'You may not specify --{option} and an operation (--mean, --median, etc) at the same time.',
)
def test_runs(self):
# Test that csvstat doesn't error on UTF-8 input.
self.get_output(['examples/test_utf8.csv'])
def test_encoding(self):
# Test that csvstat doesn't error on Latin-1 input.
self.get_output(['-e', 'latin1', 'examples/test_latin1.csv'])
def test_columns(self):
output = self.get_output(['-c', '2', 'examples/testxls_converted.csv'])
self.assertNotIn('1. "text"', output)
self.assertIn('2. "date"', output)
def test_linenumbers(self):
output = self.get_output(['-c', '2', '--linenumbers', 'examples/dummy.csv'])
self.assertNotIn('1. "a"', output)
self.assertIn('2. "b"', output)
def test_no_header_row(self):
output = self.get_output(['-c', '2', '--no-header-row', 'examples/no_header_row.csv'])
self.assertNotIn('1. "a"', output)
self.assertIn('2. "b"', output)
def test_count_only(self):
output = self.get_output(['--count', 'examples/realdata/ks_1033_data.csv'])
self.assertEqual(output, '1575\n')
def test_unique(self):
output = self.get_output(['-c', 'county', 'examples/realdata/ks_1033_data.csv'])
self.assertRegex(output, r'Unique values:\s+73')
def test_max_length(self):
output = self.get_output(['-c', 'county', 'examples/realdata/ks_1033_data.csv'])
self.assertRegex(output, r'Longest value:\s+12')
def test_freq_list(self):
output = self.get_output(['examples/realdata/ks_1033_data.csv'])
self.assertIn('WYANDOTTE (123x)', output)
self.assertIn('SALINE (59x)', output)
self.assertNotIn('MIAMI (56x)', output)
def test_freq(self):
output = self.get_output(['examples/realdata/ks_1033_data.csv', '--freq'])
self.assertIn(' 1. state: { "KS": 1575 }', output)
def test_freq_count(self):
output = self.get_output(['examples/realdata/ks_1033_data.csv', '--freq-count', '1'])
self.assertIn('WYANDOTTE (123x)', output)
self.assertNotIn('FINNEY (103x)', output)
self.assertNotIn('MIAMI (56x)', output)
def test_csv(self):
output = self.get_output_as_io(['--csv', 'examples/realdata/ks_1033_data.csv'])
reader = agate.csv.reader(output)
header = next(reader)
self.assertEqual(header[1], 'column_name')
self.assertEqual(header[5], 'unique')
row = next(reader)
self.assertEqual(row[1], 'state')
self.assertEqual(row[2], 'Text')
self.assertEqual(row[6], '')
self.assertEqual(row[12], '2')
def test_csv_columns(self):
output = self.get_output_as_io(['--csv', '-c', '4', 'examples/realdata/ks_1033_data.csv'])
reader = agate.csv.reader(output)
header = next(reader)
self.assertEqual(header[1], 'column_name')
self.assertEqual(header[5], 'unique')
row = next(reader)
self.assertEqual(row[1], 'nsn')
self.assertEqual(row[2], 'Text')
self.assertEqual(row[6], '')
self.assertEqual(row[12], '16')
def test_json(self):
output = self.get_output_as_io(['--json', 'examples/realdata/ks_1033_data.csv'])
data = json.load(output)
header = list(data[0])
self.assertEqual(header[1], 'column_name')
self.assertEqual(header[5], 'unique')
row = list(data[0].values())
self.assertEqual(row[1], 'state')
self.assertEqual(row[2], 'Text')
self.assertNotIn('min', data[0])
self.assertEqual(row[-2], 2.0)
def test_json_columns(self):
output = self.get_output_as_io(['--json', '-c', '4', 'examples/realdata/ks_1033_data.csv'])
data = json.load(output)
header = list(data[0])
self.assertEqual(header[1], 'column_name')
self.assertEqual(header[5], 'unique')
row = list(data[0].values())
self.assertEqual(row[1], 'nsn')
self.assertEqual(row[2], 'Text')
self.assertNotIn('min', data[0])
self.assertEqual(row[-2], 16.0)
def test_decimal_format(self):
# Disable locale-specific LC_NUMERIC grouping separator test
# output = self.get_output(['-c', 'TOTAL', '--mean', 'examples/realdata/FY09_EDU_Recipients_by_State.csv'])
# self.assertEqual(output, '9,748.346\n')
output = self.get_output([
'-c', 'TOTAL', '--mean', '--no-grouping-separator', 'examples/realdata/FY09_EDU_Recipients_by_State.csv',
])
self.assertEqual(output, '9748.346\n')
output = self.get_output([
'-c', 'TOTAL', '--mean', '--decimal-format', '%.2f', 'examples/realdata/FY09_EDU_Recipients_by_State.csv',
])
# Modify test to run under LC_ALL=C.UTF-8
self.assertEqual(output, '9748.35\n')
|