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test_datasource.py
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166 lines (127 loc) · 5.8 KB
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import os
import os.path
import shutil
import tempfile
import unittest
from tableaudocumentapi import Datasource, Workbook
TEST_ASSET_DIR = os.path.join(
os.path.dirname(__file__),
'assets'
)
TEST_TDS_FILE = os.path.join(
TEST_ASSET_DIR,
'datasource_test.tds'
)
TEST_TWB_FILE = os.path.join(
TEST_ASSET_DIR,
'datasource_test.twb'
)
class DataSourceFieldsTDS(unittest.TestCase):
def setUp(self):
self.ds = Datasource.from_file(TEST_TDS_FILE)
self.to_delete = set()
def cleanUp(self):
for path in self.to_delete:
if os.path.isdir(path):
shutil.rmtree(path, ignore_errors=True)
elif os.path.isfile(path):
os.unlink(path)
def get_temp_file(self, filename):
tempdir = tempfile.mkdtemp('tda-datasource')
self.to_delete.add(tempdir)
return os.path.join(tempdir, filename)
def test_datasource_returns_correct_fields(self):
self.assertIsNotNone(self.ds.fields)
self.assertIsNotNone(self.ds.fields.get('[Number of Records]', None))
def test_datasource_returns_calculation_from_fields(self):
self.assertEqual('1', self.ds.fields['[Number of Records]'].calculation)
def test_datasource_uses_metadata_record(self):
self.assertEqual('Sum', self.ds.fields['[x]'].default_aggregation)
def test_datasource_column_name_contains_apostrophy(self):
self.assertIsNotNone(self.ds.fields.get("[Today's Date]", None))
def test_datasource_field_can_get_caption(self):
self.assertEqual(self.ds.fields['[a]'].caption, 'A')
self.assertEqual(getattr(self.ds.fields['[a]'], 'caption', None), 'A')
def test_datasource_field_caption_can_be_used_to_query(self):
self.assertIsNotNone(self.ds.fields.get('A', None))
def test_datasource_field_is_nominal(self):
self.assertTrue(self.ds.fields['[a]'].is_nominal)
def test_datasource_field_is_quantitative(self):
self.assertTrue(self.ds.fields['[y]'].is_quantitative)
def test_datasource_field_is_ordinal(self):
self.assertTrue(self.ds.fields['[x]'].is_ordinal)
def test_datasource_field_datatype(self):
self.assertEqual(self.ds.fields['[x]'].datatype, 'integer')
def test_datasource_field_role(self):
self.assertEqual(self.ds.fields['[x]'].role, 'measure')
def test_datasource_field_description(self):
actual = self.ds.fields['[a]'].description
self.assertIsNotNone(actual)
self.assertTrue(u'muted gray' in actual)
def test_datasource_caption(self):
actual = self.ds.caption
self.assertIsNotNone(actual)
self.assertEqual(actual, 'foo')
def test_datasource_can_set_caption(self):
filename = self.get_temp_file('test_datasource_can_set_caption')
self.ds.caption = 'bar'
self.ds.save_as(filename)
actual = Datasource.from_file(filename)
self.assertIsNotNone(actual)
self.assertIsNotNone(actual.caption)
self.assertEqual(actual.caption, 'bar')
def test_datasource_can_remove_caption(self):
filename = self.get_temp_file('test_datasource_can_remove_caption')
del self.ds.caption
self.ds.save_as(filename)
actual = Datasource.from_file(filename)
self.assertIsNotNone(actual)
self.assertEqual(actual.caption, '')
def test_datasource_clear_repository_location(self):
filename = os.path.join(TEST_ASSET_DIR, 'clear-repository-test.tds')
self.assertIsNotNone(self.ds._datasourceXML.find('.//repository-location'))
self.ds.clear_repository_location()
try:
self.ds.save_as(filename)
with open(filename, 'r') as newfile:
self.assertFalse('repository-location' in newfile.read())
finally:
if os.path.exists(filename):
os.unlink(filename)
class DataSourceFieldsTWB(unittest.TestCase):
def setUp(self):
self.wb = Workbook(TEST_TWB_FILE)
# Assume the first datasource in the file
self.ds = self.wb.datasources[0]
def test_datasource_fields_loaded_in_workbook(self):
self.assertIsNotNone(self.ds.fields)
self.assertIsNotNone(self.ds.fields.get('[Number of Records]', None))
class DataSourceFieldsFoundIn(unittest.TestCase):
def setUp(self):
self.wb = Workbook(TEST_TWB_FILE)
# Assume the first datasource in the file
self.ds = self.wb.datasources[0]
def test_datasource_fields_found_in_returns_fields(self):
actual_values = self.ds.fields.used_by_sheet('Sheet 1')
self.assertIsNotNone(actual_values)
self.assertEqual(1, len(actual_values))
self.assertIn('A', (x.name for x in actual_values))
def test_datasource_fields_found_in_does_not_return_fields_not_used_in_worksheet(self):
actual_values = self.ds.fields.used_by_sheet('Sheet 1')
self.assertIsNotNone(actual_values)
self.assertEqual(1, len(actual_values))
self.assertNotIn('X', (x.name for x in actual_values))
def test_datasource_fields_found_in_returns_multiple_fields(self):
actual_values = self.ds.fields.used_by_sheet('Sheet 2')
self.assertIsNotNone(actual_values)
self.assertEqual(2, len(actual_values))
self.assertIn('A', (x.name for x in actual_values))
self.assertIn('X', (x.name for x in actual_values))
self.assertNotIn('Y', (x.name for x in actual_values))
def test_datasource_fields_found_in_accepts_lists(self):
actual_values = self.ds.fields.used_by_sheet(['Sheet 1', 'Sheet 2'])
self.assertIsNotNone(actual_values)
self.assertEqual(2, len(actual_values))
self.assertIn('A', (x.name for x in actual_values))
self.assertIn('X', (x.name for x in actual_values))
self.assertNotIn('Y', (x.name for x in actual_values))