mirror of
https://github.com/kennethreitz/tablib.git
synced 2026-06-05 15:00:19 +00:00
Luke Lee
129 lines
3.2 KiB
Python
129 lines
3.2 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""Tests for tablib"""
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import unittest
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import tablib
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class TablibTestCase(unittest.TestCase):
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"""Tablib test cases"""
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def setUp(self):
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"""Create simple data set with headers"""
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global data
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data = tablib.Dataset()
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headers = ('first_name', 'last_name', 'gpa')
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self.john = ('John', 'Adams', 90)
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self.george = ('George', 'Washington', 67)
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self.tom = ('Thomas', 'Jefferson', 50)
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self.founders = tablib.Dataset(headers=headers)
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self.founders.append(self.john)
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self.founders.append(self.george)
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self.founders.append(self.tom)
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def tearDown(self):
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"""teardown"""
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pass
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def test_empty_append(self):
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"""Verify append() correctly adds tuple with no headers"""
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new_row = (1, 2, 3)
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data.append(new_row)
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# Verify width/data
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self.assertTrue(data.width == len(new_row))
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self.assertTrue(data[0] == new_row)
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def test_empty_append_with_headers(self):
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"""Verify append() correctly detects mismatch of number of
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headers and data
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"""
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data.headers = ['first', 'second']
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new_row = (1, 2, 3, 4)
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self.assertRaises(tablib.InvalidDimensions, data.append, new_row)
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def test_add_column(self):
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"""Verify adding column works with/without headers"""
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data.append(['kenneth'])
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data.append(['bessie'])
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new_col = ['reitz', 'monke']
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data.append(col=new_col)
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self.assertEquals(data[0], ('kenneth', 'reitz'))
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self.assertEquals(data.width, 2)
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# With Headers
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data.headers = ('fname', 'lname')
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new_col = ['age', 21, 22]
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data.append(col=new_col)
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self.assertEquals(data[new_col[0]], new_col[1:])
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def test_add_column_no_data_no_headers(self):
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"""Verify adding new column with no headers"""
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new_col = ('reitz', 'monke')
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data.append(col=new_col)
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self.assertEquals(data[0], tuple([new_col[0]]))
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self.assertEquals(data.width, 1)
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self.assertEquals(data.height, len(new_col))
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def test_add_column_no_data_with_headers(self):
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"""Verify adding new column with headers"""
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data.headers = ('first', 'last')
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new_col = ('age',)
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data.append(col=new_col)
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self.assertEquals(len(data.headers), 3)
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self.assertEquals(data.width, 3)
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new_col = ('foo', 'bar')
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self.assertRaises(tablib.InvalidDimensions, data.append, col=new_col)
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def tuple_check(self):
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data.append(col=(1, 2, 3))
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def test_header_slicing(self):
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"""Verify slicing by headers"""
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self.assertEqual(self.founders['first_name'],
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[self.john[0], self.george[0], self.tom[0]])
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self.assertEqual(self.founders['last_name'],
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[self.john[1], self.george[1], self.tom[1]])
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self.assertEqual(self.founders['gpa'],
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[self.john[2], self.george[2], self.tom[2]])
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def test_data_slicing(self):
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"""Verify slicing by data"""
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# Slice individual rows
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self.assertEqual(self.founders[0], self.john)
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self.assertEqual(self.founders[:1], [self.john])
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self.assertEqual(self.founders[1:2], [self.george])
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self.assertEqual(self.founders[-1], self.tom)
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self.assertEqual(self.founders[3:], [])
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# Slice multiple rows
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self.assertEqual(self.founders[:], [self.john, self.george, self.tom])
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self.assertEqual(self.founders[0:2], [self.john, self.george])
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self.assertEqual(self.founders[1:3], [self.george, self.tom])
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self.assertEqual(self.founders[2:], [self.tom])
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if __name__ == '__main__':
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unittest.main()
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