mirror of
https://github.com/scrapy/scrapy.git
synced 2025-03-13 17:24:57 +00:00
fc3c66ce95
* FeedExportConfigTestCase.test_feed_complete_default_values_from_settings_empty * FeedExportConfigTestCase.test_feed_complete_default_values_from_settings_non_empty
208 lines
8.1 KiB
Python
208 lines
8.1 KiB
Python
import unittest
|
|
import warnings
|
|
|
|
from scrapy.exceptions import UsageError, ScrapyDeprecationWarning
|
|
from scrapy.settings import BaseSettings, Settings
|
|
from scrapy.utils.conf import (
|
|
arglist_to_dict,
|
|
build_component_list,
|
|
feed_complete_default_values_from_settings,
|
|
feed_process_params_from_cli
|
|
)
|
|
|
|
|
|
class BuildComponentListTest(unittest.TestCase):
|
|
|
|
def test_build_dict(self):
|
|
d = {'one': 1, 'two': None, 'three': 8, 'four': 4}
|
|
self.assertEqual(build_component_list(d, convert=lambda x: x),
|
|
['one', 'four', 'three'])
|
|
|
|
def test_backward_compatible_build_dict(self):
|
|
base = {'one': 1, 'two': 2, 'three': 3, 'five': 5, 'six': None}
|
|
custom = {'two': None, 'three': 8, 'four': 4}
|
|
self.assertEqual(build_component_list(base, custom,
|
|
convert=lambda x: x),
|
|
['one', 'four', 'five', 'three'])
|
|
|
|
def test_return_list(self):
|
|
custom = ['a', 'b', 'c']
|
|
self.assertEqual(build_component_list(None, custom,
|
|
convert=lambda x: x),
|
|
custom)
|
|
|
|
def test_map_dict(self):
|
|
custom = {'one': 1, 'two': 2, 'three': 3}
|
|
self.assertEqual(build_component_list({}, custom,
|
|
convert=lambda x: x.upper()),
|
|
['ONE', 'TWO', 'THREE'])
|
|
|
|
def test_map_list(self):
|
|
custom = ['a', 'b', 'c']
|
|
self.assertEqual(build_component_list(None, custom,
|
|
lambda x: x.upper()),
|
|
['A', 'B', 'C'])
|
|
|
|
def test_duplicate_components_in_dict(self):
|
|
duplicate_dict = {'one': 1, 'two': 2, 'ONE': 4}
|
|
self.assertRaises(ValueError, build_component_list, {}, duplicate_dict,
|
|
convert=lambda x: x.lower())
|
|
|
|
def test_duplicate_components_in_list(self):
|
|
duplicate_list = ['a', 'b', 'a']
|
|
with self.assertRaises(ValueError) as cm:
|
|
build_component_list(None, duplicate_list, convert=lambda x: x)
|
|
self.assertIn(str(duplicate_list), str(cm.exception))
|
|
|
|
def test_duplicate_components_in_basesettings(self):
|
|
# Higher priority takes precedence
|
|
duplicate_bs = BaseSettings({'one': 1, 'two': 2}, priority=0)
|
|
duplicate_bs.set('ONE', 4, priority=10)
|
|
self.assertEqual(build_component_list(duplicate_bs,
|
|
convert=lambda x: x.lower()),
|
|
['two', 'one'])
|
|
duplicate_bs.set('one', duplicate_bs['one'], priority=20)
|
|
self.assertEqual(build_component_list(duplicate_bs,
|
|
convert=lambda x: x.lower()),
|
|
['one', 'two'])
|
|
# Same priority raises ValueError
|
|
duplicate_bs.set('ONE', duplicate_bs['ONE'], priority=20)
|
|
self.assertRaises(ValueError, build_component_list, duplicate_bs,
|
|
convert=lambda x: x.lower())
|
|
|
|
def test_valid_numbers(self):
|
|
# work well with None and numeric values
|
|
d = {'a': 10, 'b': None, 'c': 15, 'd': 5.0}
|
|
self.assertEqual(build_component_list(d, convert=lambda x: x),
|
|
['d', 'a', 'c'])
|
|
d = {'a': 33333333333333333333, 'b': 11111111111111111111, 'c': 22222222222222222222}
|
|
self.assertEqual(build_component_list(d, convert=lambda x: x),
|
|
['b', 'c', 'a'])
|
|
# raise exception for invalid values
|
|
d = {'one': '5'}
|
|
self.assertRaises(ValueError, build_component_list, {}, d, convert=lambda x: x)
|
|
d = {'one': '1.0'}
|
|
self.assertRaises(ValueError, build_component_list, {}, d, convert=lambda x: x)
|
|
d = {'one': [1, 2, 3]}
|
|
self.assertRaises(ValueError, build_component_list, {}, d, convert=lambda x: x)
|
|
d = {'one': {'a': 'a', 'b': 2}}
|
|
self.assertRaises(ValueError, build_component_list, {}, d, convert=lambda x: x)
|
|
d = {'one': 'lorem ipsum'}
|
|
self.assertRaises(ValueError, build_component_list, {}, d, convert=lambda x: x)
|
|
|
|
|
|
class UtilsConfTestCase(unittest.TestCase):
|
|
|
|
def test_arglist_to_dict(self):
|
|
self.assertEqual(
|
|
arglist_to_dict(['arg1=val1', 'arg2=val2']),
|
|
{'arg1': 'val1', 'arg2': 'val2'})
|
|
|
|
|
|
class FeedExportConfigTestCase(unittest.TestCase):
|
|
|
|
def test_feed_export_config_invalid_format(self):
|
|
settings = Settings()
|
|
self.assertRaises(UsageError, feed_process_params_from_cli, settings, ['items.dat'], 'noformat')
|
|
|
|
def test_feed_export_config_mismatch(self):
|
|
settings = Settings()
|
|
self.assertRaises(
|
|
UsageError,
|
|
feed_process_params_from_cli, settings, ['items1.dat', 'items2.dat'], 'noformat'
|
|
)
|
|
|
|
def test_feed_export_config_backward_compatible(self):
|
|
with warnings.catch_warnings(record=True) as cw:
|
|
settings = Settings()
|
|
self.assertEqual(
|
|
{'items.dat': {'format': 'csv'}},
|
|
feed_process_params_from_cli(settings, ['items.dat'], 'csv')
|
|
)
|
|
self.assertEqual(cw[0].category, ScrapyDeprecationWarning)
|
|
|
|
def test_feed_export_config_explicit_formats(self):
|
|
settings = Settings()
|
|
self.assertEqual(
|
|
{'items_1.dat': {'format': 'json'}, 'items_2.dat': {'format': 'xml'}, 'items_3.dat': {'format': 'csv'}},
|
|
feed_process_params_from_cli(settings, ['items_1.dat:json', 'items_2.dat:xml', 'items_3.dat:csv'])
|
|
)
|
|
|
|
def test_feed_export_config_implicit_formats(self):
|
|
settings = Settings()
|
|
self.assertEqual(
|
|
{'items_1.json': {'format': 'json'}, 'items_2.xml': {'format': 'xml'}, 'items_3.csv': {'format': 'csv'}},
|
|
feed_process_params_from_cli(settings, ['items_1.json', 'items_2.xml', 'items_3.csv'])
|
|
)
|
|
|
|
def test_feed_export_config_stdout(self):
|
|
settings = Settings()
|
|
self.assertEqual(
|
|
{'stdout:': {'format': 'pickle'}},
|
|
feed_process_params_from_cli(settings, ['-:pickle'])
|
|
)
|
|
|
|
def test_feed_export_config_overwrite(self):
|
|
settings = Settings()
|
|
self.assertEqual(
|
|
{'output.json': {'format': 'json', 'overwrite': True}},
|
|
feed_process_params_from_cli(settings, [], None, ['output.json'])
|
|
)
|
|
|
|
def test_output_and_overwrite_output(self):
|
|
with self.assertRaises(UsageError):
|
|
feed_process_params_from_cli(
|
|
Settings(),
|
|
['output1.json'],
|
|
None,
|
|
['output2.json'],
|
|
)
|
|
|
|
def test_feed_complete_default_values_from_settings_empty(self):
|
|
feed = {}
|
|
settings = Settings({
|
|
"FEED_EXPORT_ENCODING": "custom encoding",
|
|
"FEED_EXPORT_FIELDS": ["f1", "f2", "f3"],
|
|
"FEED_EXPORT_INDENT": 42,
|
|
"FEED_STORE_EMPTY": True,
|
|
"FEED_URI_PARAMS": (1, 2, 3, 4),
|
|
"FEED_EXPORT_BATCH_ITEM_COUNT": 2,
|
|
})
|
|
new_feed = feed_complete_default_values_from_settings(feed, settings)
|
|
self.assertEqual(new_feed, {
|
|
"encoding": "custom encoding",
|
|
"fields": ["f1", "f2", "f3"],
|
|
"indent": 42,
|
|
"store_empty": True,
|
|
"uri_params": (1, 2, 3, 4),
|
|
"batch_item_count": 2,
|
|
"item_export_kwargs": dict(),
|
|
})
|
|
|
|
def test_feed_complete_default_values_from_settings_non_empty(self):
|
|
feed = {
|
|
"encoding": "other encoding",
|
|
"fields": None,
|
|
}
|
|
settings = Settings({
|
|
"FEED_EXPORT_ENCODING": "custom encoding",
|
|
"FEED_EXPORT_FIELDS": ["f1", "f2", "f3"],
|
|
"FEED_EXPORT_INDENT": 42,
|
|
"FEED_STORE_EMPTY": True,
|
|
"FEED_EXPORT_BATCH_ITEM_COUNT": 2,
|
|
})
|
|
new_feed = feed_complete_default_values_from_settings(feed, settings)
|
|
self.assertEqual(new_feed, {
|
|
"encoding": "other encoding",
|
|
"fields": None,
|
|
"indent": 42,
|
|
"store_empty": True,
|
|
"uri_params": None,
|
|
"batch_item_count": 2,
|
|
"item_export_kwargs": dict(),
|
|
})
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|