def test_element_setattr(self):
values = [None, 0, 1, '1', 'long string']
item = RssItem()
for elem_name in RssItem().elements:
elem = getattr(item, elem_name)
for attr in elem.attrs:
for val in values:
setattr(elem, attr, val)
self.assertEqual(getattr(elem, attr), val)
def __init__(self, *args, **kwargs):
super(RssTestCase, self).__init__(*args, **kwargs)
for elem in RssItem().elements.values():
if isinstance(elem, MultipleElements):
self.addTypeEqualityFunc((elem.__class__, None), self.assertMultipleRssElementsEqualsToValues)
else:
self.addTypeEqualityFunc((elem.__class__, None), self.assertRssElementEqualsToValue)
def test_irregular_access(self):
me = MultipleElements(CategoryElement)
with self.assertRaisesRegexp(AttributeError, 'have not been assigned'):
me.category
me.add(['first', 'second'])
with self.assertRaisesRegexp(AttributeError, 'more than one elements'):
me.category
with self.assertRaisesRegexp(AttributeError,
'zero or more than one elements'):
me.category = 'another'
me.clear()
me.add('single')
me.category = 'another'
self.assertEqual(me.category, 'another')
item = RssItem()
with self.assertRaisesRegexp(AttributeError, 'have not been assigned'):
item.category.category
item.category = ['first', 'second']
with self.assertRaisesRegexp(AttributeError, 'more than one elements'):
item.category.category
with self.assertRaisesRegexp(AttributeError,
'zero or more than one elements'):
item.category.category = 'other'
item.category.clear()
item.category = 'single'
item.category.category = 'another'
self.assertEqual(item.category.category, 'another')
def test_spider_output_handling(self):
spider = self.MySpider()
scraper = Scraper(Crawler(spider))
scraper.open_spider(spider)
scraper._process_spidermw_output(RssItem(), None, None, None)
scraper._process_spidermw_output(ExtendableItem(), None, None, None)
scraper._process_spidermw_output(RssedItem(), None, None, None)
scraper.close_spider(spider)
def test_item_properties_v1(self, elem, elem_name, value):
item = RssItem()
if elem.required_attrs:
with six.assertRaisesRegex(self, ValueError,
'Could not assign value'):
setattr(item, elem_name, value)
else:
setattr(item, elem_name, value)
self.assertEqual(getattr(item, elem_name), value)
def test_attributes_uniqueness(self, elem, elem_name, attr, attr_name):
item1 = RssItem()
item2 = RssItem()
attr1 = attr.__class__()
attr2 = attr.__class__()
self.assertIsNot(
attr1,
attr2,
msg="Instances of attribute [class '{}'] are identical".format(
attr.__class__.__name__))
self.assertIsNot(
getattr(getattr(item1, elem_name), attr_name.priv_name),
getattr(getattr(item2, elem_name), attr_name.priv_name),
msg=
"Appropriate attributes [class '{}'] of appropriate elements [class '{}'] "
"of RSS item instances are identical".format(
attr.__class__.__name__, elem.__class__.__name__))
def test_elements_uniqueness(self, elem, elem_name):
elem1 = elem.__class__() if not isinstance(
elem, MultipleElements) else elem.__class__(ItemElement)
elem2 = elem.__class__() if not isinstance(
elem, MultipleElements) else elem.__class__(ItemElement)
self.assertIsNot(
elem1,
elem2,
msg="Instances of element class '{}' are identical".format(
elem.__class__.__name__))
item1 = RssItem()
item2 = RssItem()
self.assertIsNot(
getattr(item1, elem_name),
getattr(item2, elem_name),
msg=
"Appropriate elements [class '{}'] of RSS item instances are identical"
.format(elem.__class__.__name__))
def parse_item(self, response):
item = RssItem()
item.title = response.css(
'meta[property="og:title"]::attr(content)').get()
item.link = response.url
item.guid = response.url
item.pubDate = response.css(".title h6::text").get()
item.author = "Liberal Victoria"
item.description = "".join(response.css(".mr-content").extract())
yield item
def test_item_properties(self):
item = RssItem()
for elem_name, elem in item.elements.items():
for val in (None, 0, '', 1, '1'):
if elem.required_attrs:
with self.assertRaisesRegexp(ValueError,
'Could not assign value'):
setattr(item, elem_name, val)
else:
setattr(item, elem_name, val)
self.assertEqual(getattr(item, elem_name), val)
self.assertEqual(self.item_with_empty_title_only.title,
self.empty_text)
self.assertEqual(self.item_with_empty_description_only.description,
self.empty_text)
self.assertEqual(self.item_with_title_only.title, self.non_empty_title)
self.assertEqual(self.item_with_description_only.description,
self.non_empty_description)
self.assertEqual(self.item_with_single_category.title,
self.non_empty_title)
self.assertEqual(self.item_with_single_category.category,
self.categories[0])
self.assertEqual(self.item_with_3_categories.title,
self.non_empty_title)
self.assertEqual(self.item_with_2_categories.category,
self.categories[:2])
self.assertEqual(self.item_with_4_categories.title,
self.non_empty_title)
self.assertEqual(self.item_with_3_categories.category,
self.categories[:3])
self.assertEqual(self.item_with_4_categories.title,
self.non_empty_title)
self.assertEqual(self.item_with_4_categories.category,
self.categories[:4])
self.assertEqual(self.item_with_unescaped_text.title,
self.unescaped_title)
self.assertEqual(self.item_with_unescaped_text.description,
self.unescaped_description)
for idx, items in self.items_with_guid.items():
for item in items:
self.assertEqual(item.guid, self.guids[idx]['guid'])
self.assertEqual(item.guid.guid, self.guids[idx]['guid'])
self.assertEqual(item.guid.isPermaLink,
self.guids[idx]['isPermaLink'])
def parse_item(self, response):
item = RssItem()
item.title = response.css("title::text").get().split(" - ",
1)[-1].strip()
item.link = response.url
item.guid = response.url
item.pubDate = response.css("div.newsCreatedDate::text").get().strip()
item.author = " & ".join(
response.css("img.ministersPic::attr(alt)").getall())
item.description = response.css("div.ms-rtestate-field").get()
yield item
def test_uniqueness(self):
for elem_name, elem in RssItem().elements.items():
elem1 = elem.__class__() if not isinstance(
elem, MultipleElements) else elem.__class__(ItemElement)
elem2 = elem.__class__() if not isinstance(
elem, MultipleElements) else elem.__class__(ItemElement)
self.assertIsNot(
elem1,
elem2,
msg="Instances of element class '{}' are identical".format(
elem.__class__.__name__))
item1 = RssItem()
item2 = RssItem()
self.assertIsNot(
getattr(item1, elem_name),
getattr(item2, elem_name),
msg=
"Appropriate elements [class '{}'] of RSS item instances are identical"
.format(elem.__class__.__name__))
for attr_name, attr in elem.attrs.items():
attr1 = attr.__class__()
attr2 = attr.__class__()
self.assertIsNot(
attr1,
attr2,
msg="Instances of attribute [class '{}'] are identical".
format(attr.__class__.__name__))
self.assertIsNot(
getattr(getattr(item1, elem_name),
'__{}'.format(attr_name)),
getattr(getattr(item2, elem_name),
'__{}'.format(attr_name)),
msg=
"Appropriate attributes [class '{}'] of appropriate elements [class '{}'] "
"of RSS item instances are identical".format(
attr.__class__.__name__, elem.__class__.__name__))
def __init__(self, *args, **kwargs):
super(TestMultipleElements, self).__init__(*args, **kwargs)
self.category_names = [
'1st category name', '2nd category name', '3rd category name',
'4th category'
]
non_empty_title = 'Item title'
self.item_with_single_category = RssItem()
self.item_with_single_category.title = non_empty_title
self.item_with_single_category.category = self.category_names[0]
self.item_with_2_categories = RssItem()
self.item_with_2_categories.title = non_empty_title
self.item_with_2_categories.category = self.category_names[:2]
self.item_with_3_categories = RssItem()
self.item_with_3_categories.title = non_empty_title
self.item_with_3_categories.category = self.category_names[:3]
self.item_with_4_categories = RssItem()
self.item_with_4_categories.title = non_empty_title
self.item_with_4_categories.category = self.category_names[:4]
def parse_item(self, response):
item = RssItem()
item.title = response.css(
'meta[name="dcterms.title"]::attr(content)').get()
item.link = response.url
item.guid = response.url
item.pubDate = response.css(
'meta[name="dcterms.issued"]::attr(content)').get()
item.author = response.css(
'meta[name="article.minister"]::attr(content)').get()
summary = response.css("div.news-detail__summary p").getall()
body = response.css("div.news-detail__body p").getall()
item.description = "".join(summary + body)
return item
def parse_item(self, response):
item = RssItem()
item.title = response.css("title::text").get().split(" | ")[0]
item.link = response.url
item.guid = response.url
item.pubDate = response.css(
'meta[name="dcterms.date"]::attr(content)').get()
item.description = response.css("div.nsw-wysiwyg-content").get()
author = response.css(
"div.standard-header__released_by div::text").getall()
if author:
item.author = author[-1].strip()
else:
item.author = "NSW Government"
yield item
def test_item_with_single_elem(self, attr_name, attr, elem_name,
elem_kwargs):
elem_cls_name = "Element0"
item_cls_name = "Item0"
elem_cls = type(elem_cls_name, (ItemElement, ), {attr_name: attr})
elem = elem_cls(**elem_kwargs)
item_cls = type(item_cls_name, (RssItem, ), {elem_name: elem})
item = item_cls()
repr(item)
if sys.version_info >= (3, 7): # insertion ordered dict
default_elems_repr = ("{}={!r}".format(
name,
value) for name, value in chain(RssItem().elements.items(), [(
elem_name, elem)]))
assert repr(item) == "{}({})".format(item_cls_name,
", ".join(default_elems_repr))
def __init__(self, *args, **kwargs):
super(TestExporting, self).__init__(*args, **kwargs)
minimal_item = RssItem()
minimal_item.title = 'Title of minimal item'
minimal_item2 = RssItem()
minimal_item2.description = 'Description of minimal item'
simple_item = RssItem()
simple_item.title = 'Title of simple item'
simple_item.description = 'Description of simple item'
item_with_single_category = RssItem()
item_with_single_category.title = 'Title of item with single category'
item_with_single_category.category = 'Category 1'
item_with_multiple_categories = RssItem()
item_with_multiple_categories.title = 'Title of item with multiple categories'
item_with_multiple_categories.category = ['Category 1', 'Category 2']
item_with_guid = RssItem()
item_with_guid.title = 'Title of item with guid'
item_with_guid.guid = 'Identifier'
item_with_unicode = RssItem()
item_with_unicode.title = 'Title of item with unicode and special characters'
item_with_unicode.description = "[Testing «ταБЬℓσ»: 1<2 & 4+1>3, now 20% off!]"
item_with_enclosure = RssItem()
item_with_enclosure.title = 'Title of item with enclosure'
item_with_enclosure.enclosure.url = 'http://example.com/content'
item_with_enclosure.enclosure.length = 0
item_with_enclosure.enclosure.type = 'text/plain'
self.items = {
'minimal_item': minimal_item,
'minimal_item2': minimal_item2,
'simple_item': simple_item,
'item_with_single_category': item_with_single_category,
'item_with_multiple_categories': item_with_multiple_categories,
'item_with_guid': item_with_guid,
'item_with_unicode': item_with_unicode,
'item_with_enclosure': item_with_enclosure,
}
def test_item_validation(self):
invalid_item = RssItem()
invalid_item.enclosure.url = 'http://example.com/content'
with self.assertRaisesRegexp(InvalidRssItemAttributesError,
'required attributes .*? not set'):
with CrawlerContext(**self.feed_settings) as context:
context.ipm.process_item(invalid_item, context.spider)
class NonStandardElement(ItemElement):
first_attribute = ItemElementAttribute(required=True,
is_content=True)
second_attribute = ItemElementAttribute(required=True)
class NonStandardItem(RssItem):
element = NonStandardElement()
invalid_item = NonStandardItem()
with self.assertRaisesRegexp(InvalidElementValueError,
'Could not assign'):
invalid_item.element = 'valid value'
invalid_item.element.first_attribute = 'valid value'
with self.assertRaisesRegexp(InvalidRssItemAttributesError,
'required attributes .*? not set'):
with CrawlerContext(**self.feed_settings) as context:
context.ipm.process_item(invalid_item, context.spider)
class InvalidSuperItem1(ExtendableItem):
pass
class InvalidSuperItem2(ExtendableItem):
field = scrapy.Field()
class InvalidSuperItem3(ExtendableItem):
rss = scrapy.Field()
for invalid_item_cls in (InvalidSuperItem1, InvalidSuperItem2,
InvalidSuperItem3):
with self.assertRaisesRegexp(InvalidRssItemError,
"Item must have 'rss'"):
with CrawlerContext(**self.feed_settings) as context:
context.ipm.process_item(invalid_item_cls(),
context.spider)
def test_inner_cls_attr(self):
item = RssItem()
item.category = CategoryElement(category=self.category_names[0])
self.assertEqual(item.category, self.category_names[0])
for cnt in range(2, 2 + len(self.category_names)):
item.category = [
CategoryElement(category=cat_name)
for cat_name in self.category_names[:cnt]
]
self.assertEqual(item.category, self.category_names[:cnt])
item.category = CategoryElement(category=self.category_names[0])
self.assertEqual(item.category, self.category_names[0])
item.category = self.category_names[:cnt]
self.assertEqual(item.category, self.category_names[:cnt])
item.category = self.category_names[0]
self.assertEqual(item.category, self.category_names[0])
def parse_item(self, response):
item = RssItem()
item.title = (
response.css('meta[name="DCTERMS.title"]::attr(content)').get().strip()
)
item.link = response.url
item.guid = response.url
item.pubDate = (
response.css("script::text")
.re_first(r'"datePublished": ".*"')
.split(":", 1)[-1]
.strip(' "')
)
author = response.css("p.statement-ministers::text").getall()
item.author = " & ".join(author)
description = response.css("div div p").getall()
cutoff = 2 # publish date & author
if len(author) > 1:
cutoff += len(author)
item.description = "".join(description[cutoff:])
yield item
def test_item_with_multiple_elems(self, attrs, elems_descr):
elems_names, elems_kwargs = zip(*elems_descr)
item_cls_name = "Item0"
elem_clses = [
type("Element{}".format(n), (ItemElement, ), dict(attrs))
for n in range(len(elems_descr))
]
elem_instances = [
elem_cls(**elems_kwargs[n])
for n, elem_cls in enumerate(elem_clses)
]
item_cls = type(item_cls_name, (RssItem, ),
dict(zip(elems_names, elem_instances)))
item = item_cls()
repr(item)
if sys.version_info >= (3, 7): # insertion ordered dict
elems_reprs = (
"{}={}".format(elem_name, elem)
for elem_name, elem in chain(RssItem().elements.items(),
zip(elems_names, elem_instances)))
item_repr = "{}({})".format(item_cls_name, ", ".join(elems_reprs))
assert repr(item) == item_repr
def __init__(self, *args, **kwargs):
class NSElement0(ItemElement):
attr01 = ItemElementAttribute(ns_prefix="prefix01", ns_uri="id01")
class NSElement1(ItemElement):
prefix11__attr11 = ItemElementAttribute(ns_uri="id11")
prefix12__attr12 = ItemElementAttribute(ns_prefix="prefix12",
ns_uri="id12")
class NSElement2(ItemElement):
attr21 = ItemElementAttribute(is_content=True)
pseudo_prefix22__attr22 = ItemElementAttribute(
ns_prefix="prefix22", ns_uri="id22")
class NSElement3(ItemElement):
attr31 = ItemElementAttribute(is_content=True)
attr32 = ItemElementAttribute(ns_prefix="prefixa", ns_uri="id32")
class NSElement4(ItemElement):
attr41 = ItemElementAttribute()
prefix42__attr41 = ItemElementAttribute(ns_uri="id42")
class NSItem0(RssItem):
elem0 = ItemElement()
elem1 = NSElement0(ns_prefix="el_prefix1", ns_uri="el_id1")
el_prefix2__elem2 = NSElement1(ns_uri="el_id2")
el_prefix3__elem3 = NSElement2(ns_prefix="el_prefix3",
ns_uri="el_id3")
el_pseudo_prefix4__elem4 = NSElement0(ns_prefix="el_prefix4",
ns_uri="el_id4")
class NSItem1(RssItem):
elem1 = NSElement0(ns_prefix="el_prefix1", ns_uri="el_id1")
el_prefix__elem2 = NSElement1(ns_uri="el_id2")
elem3 = NSElement2(ns_prefix="el_prefix", ns_uri="el_id3")
el_pseudo_prefix4__elem4 = NSElement0(ns_prefix="el_prefix4",
ns_uri="el_id4")
class NSItem2(RssItem):
elem1 = NSElement3(ns_prefix="prefix", ns_uri="el_id1")
prefix__elem2 = NSElement3(ns_uri="el_id2")
elem3 = NSElement3(ns_prefix="prefix", ns_uri="el_id3")
el_pseudo_prefix4__elem4 = NSElement3(ns_prefix="prefix",
ns_uri="el_id4")
class NSItem3(RssItem):
elem1 = NSElement3(ns_uri="el_id1")
elem2 = NSElement3(ns_uri="el_id2")
elem3 = NSElement3(ns_prefix="prefix", ns_uri="el_id3")
el_pseudo_prefix4__elem3 = NSElement3(ns_prefix="prefix2",
ns_uri="el_id4")
elem4 = NSElement4()
elem5 = NSElement4()
PredefinedItems.NSItem0 = NSItem0
PredefinedItems.NSItem1 = NSItem1
PredefinedItems.NSItem2 = NSItem2
PredefinedItems.NSItem3 = NSItem3
minimal_item = RssItem()
minimal_item.title = 'Title of minimal item'
minimal_item2 = RssItem()
minimal_item2.description = 'Description of minimal item'
simple_item = RssItem()
simple_item.title = 'Title of simple item'
simple_item.description = 'Description of simple item'
item_with_single_category = RssItem()
item_with_single_category.title = 'Title of item with single category'
item_with_single_category.category = 'Category 1'
item_with_multiple_categories = RssItem()
item_with_multiple_categories.title = 'Title of item with multiple categories'
item_with_multiple_categories.category = ['Category 1', 'Category 2']
item_with_guid = RssItem()
item_with_guid.title = 'Title of item with guid'
item_with_guid.guid = 'Identifier'
item_with_unicode = RssItem()
item_with_unicode.title = 'Title of item with unicode and special characters'
item_with_unicode.description = "[Testing «ταБЬℓσ»: 1<2 & 4+1>3, now 20% off!]"
item_with_enclosure = RssItem()
item_with_enclosure.title = 'Title of item with enclosure'
item_with_enclosure.enclosure.url = 'http://example.com/content'
item_with_enclosure.enclosure.length = 0
item_with_enclosure.enclosure.type = 'text/plain'
item_with_unique_ns = NSItem0()
item_with_unique_ns.title = "Title of item with unique namespaces"
item_with_unique_ns.elem1.attr01 = ""
item_with_unique_ns.el_prefix2__elem2.prefix11__attr11 = 0
item_with_unique_ns.el_prefix2__elem2.prefix12__attr12 = ""
item_with_unique_ns.el_prefix3__elem3.attr21 = "value3_21"
item_with_unique_ns.el_prefix3__elem3.pseudo_prefix22__attr22 = 42
item_with_unique_ns.el_pseudo_prefix4__elem4.attr01 = ""
item_with_non_unique_ns = NSItem1()
item_with_non_unique_ns.title = "Title of item with unique namespaces"
item_with_non_unique_ns.elem1.attr01 = "-"
item_with_non_unique_ns.el_prefix__elem2.prefix11__attr11 = -1
item_with_non_unique_ns.el_prefix__elem2.prefix12__attr12 = "-"
item_with_non_unique_ns.elem3.attr21 = "yet another value3_21"
item_with_non_unique_ns.elem3.pseudo_prefix22__attr22 = 4224
item_with_non_unique_ns.el_pseudo_prefix4__elem4.attr01 = "-"
item_with_non_unique_ns2 = NSItem1()
item_with_non_unique_ns2.title = "Title of item with unique namespaces 2"
item_with_non_unique_ns2.elem1.attr01 = "0"
item_with_non_unique_ns2.el_prefix__elem2.prefix11__attr11 = -999
item_with_non_unique_ns2.elem3.attr21 = "value"
item_with_non_unique_ns2.elem3.pseudo_prefix22__attr22 = 42
item_with_non_unique_ns2.el_pseudo_prefix4__elem4.attr01 = ""
item_with_same_ns_prefixes = NSItem2()
item_with_same_ns_prefixes.title = "Title of item with same namespace prefixes"
item_with_same_ns_prefixes.elem1.attr31 = "Content value 11ё"
item_with_same_ns_prefixes.prefix__elem2.attr32 = "Attribute value 22"
item_with_same_ns_prefixes.elem3.attr31 = "Content value 11"
item_with_same_ns_prefixes.elem3.attr32 = "Attribute value 32"
item_with_same_ns_prefixes.el_pseudo_prefix4__elem4.attr32 = ""
item_with_default_nses = NSItem3()
item_with_default_nses.title = "Title of item with default namespaces"
item_with_default_nses.elem1.attr31 = "Content value 11ё"
item_with_default_nses.elem2.attr32 = "Attribute value 22"
item_with_default_nses.elem3.attr31 = "Content value 11"
item_with_default_nses.elem3.attr32 = "Attribute value 32"
item_with_default_nses.el_pseudo_prefix4__elem3.attr32 = ""
item_with_default_nses.elem4.attr41 = "A41 b"
item_with_default_nses.elem4.prefix42__attr41 = "0"
self.items = {
'minimal_item': minimal_item,
'minimal_item2': minimal_item2,
'simple_item': simple_item,
'item_with_single_category': item_with_single_category,
'item_with_multiple_categories': item_with_multiple_categories,
'item_with_guid': item_with_guid,
'item_with_unicode': item_with_unicode,
'item_with_enclosure': item_with_enclosure,
'item_with_unique_ns': item_with_unique_ns,
'item_with_non_unique_ns': item_with_non_unique_ns,
'item_with_same_ns_prefixes': item_with_same_ns_prefixes,
'item_with_default_nses': item_with_default_nses
}
self.ns_items_of_same_cls = [
('item_with_non_unique_ns5', NSItem1, item_with_non_unique_ns),
('item_with_non_unique_ns4', NSItem1, item_with_non_unique_ns2),
]
self.ns_items = [
('item_with_unique_ns2',
[("el_prefix1", "el_id1"), ("prefix01", "id01"),
("el_prefix2", "el_id2"), ("prefix11", "id11"),
("prefix12", "id12")], None, item_with_unique_ns),
('item_with_unique_ns2',
(("el_prefix1", "el_id1"), ("prefix01", "id01"),
("el_prefix2", "el_id2"), ("prefix11", "id11"),
("prefix12", "id12")), tuple(), item_with_unique_ns),
('item_with_unique_ns2', {
"el_prefix1": "el_id1",
"prefix01": "id01",
"el_prefix2": "el_id2",
"prefix11": "id11",
"prefix12": "id12"
}, None, item_with_unique_ns),
('item_with_unique_ns3', None, NSItem0, item_with_unique_ns),
('item_with_unique_ns3', None, 'tests.test_exporter.NSItem0',
item_with_unique_ns),
('item_with_non_unique_ns2', [("el_prefix1", "el_id1"),
("prefix01", "id01"),
("prefix11", "id11"),
("prefix12", "id12"),
("prefix22", "id22"),
("el_prefix4", "el_id4")], None,
item_with_non_unique_ns),
('item_with_non_unique_ns3', {
"el_prefix1": "el_id1",
"prefix01": "id01",
"prefix11": "id11",
"prefix12": "id12",
"prefix22": "id22"
}, None, item_with_non_unique_ns),
('item_with_non_unique_ns2', None, NSItem1,
item_with_non_unique_ns),
('item_with_non_unique_ns2', None, 'tests.test_exporter.NSItem1',
item_with_non_unique_ns),
('item_with_same_ns_prefixes2', [("prefix", "el_id1"),
("prefixa", "id32"),
("unused_prefix", "id000")], None,
item_with_same_ns_prefixes),
('item_with_same_ns_prefixes2', {
"prefix": "el_id1",
"prefixa": "id32",
"unused_prefix": "id000"
}, None, item_with_same_ns_prefixes),
('item_with_same_ns_prefixes3', None, NSItem2,
item_with_same_ns_prefixes),
('item_with_same_ns_prefixes3', None,
'tests.test_exporter.NSItem2', item_with_same_ns_prefixes),
('item_with_default_nses3', {
'prefixa': 'id32',
'prefix2': 'el_id4'
}, None, item_with_default_nses),
('item_with_default_nses2', None, 'tests.test_exporter.NSItem3',
item_with_default_nses),
('item_with_default_nses2', None, NSItem3, item_with_default_nses)
]
def __init__(self):
super(SuperItem, self).__init__()
self.rss = RssItem()
class TestSimpleElements(RssTestCase):
def __init__(self, *args, **kwargs):
super(TestSimpleElements, self).__init__(*args, **kwargs)
self.empty_text = ""
self.non_empty_title = "Non-empty title"
self.non_empty_description = "Non-empty description"
self.categories = [
"first category name", "second category name",
"third category name", "fourth category name"
]
self.unescaped_title = "<b>Non-empty<br/> title</b>"
self.unescaped_description = "<b>Non-empty description</b><img src='url'/>"
self.item_with_empty_title_only = RssItem()
self.item_with_empty_title_only.title = self.empty_text
self.item_with_empty_description_only = RssItem()
self.item_with_empty_description_only.description = self.empty_text
self.item_with_title_only = RssItem()
self.item_with_title_only.title = self.non_empty_title
self.item_with_description_only = RssItem()
self.item_with_description_only.description = self.non_empty_description
self.item_with_single_category = RssItem()
self.item_with_single_category.title = self.non_empty_title
self.item_with_single_category.category = self.categories[0]
self.item_with_2_categories = RssItem()
self.item_with_2_categories.title = self.non_empty_title
self.item_with_2_categories.category = self.categories[:2]
self.item_with_3_categories = RssItem()
self.item_with_3_categories.title = self.non_empty_title
self.item_with_3_categories.category = self.categories[:3]
self.item_with_4_categories = RssItem()
self.item_with_4_categories.title = self.non_empty_title
self.item_with_4_categories.category = self.categories[:4]
self.item_with_unescaped_text = RssItem()
self.item_with_unescaped_text.title = self.unescaped_title
self.item_with_unescaped_text.description = self.unescaped_description
self.guids = [
{
'guid': 'identifier 1',
'isPermaLink': False
},
{
'guid': 'identifier 2',
'isPermaLink': True
},
]
self.items_with_guid = {0: [], 1: []}
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid = self.guids[0]['guid']
self.items_with_guid[0].append(item_with_guid)
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid = self.guids[0]
self.items_with_guid[0].append(item_with_guid)
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid.guid = self.guids[0]['guid']
self.items_with_guid[0].append(item_with_guid)
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid = self.guids[1]
self.items_with_guid[1].append(item_with_guid)
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid = self.guids[1]['guid']
item_with_guid.guid.isPermaLink = self.guids[1]['isPermaLink']
self.items_with_guid[1].append(item_with_guid)
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid = GuidElement(**self.guids[1])
self.items_with_guid[1].append(item_with_guid)
@parameterized.expand((elem, str(elem_name))
for elem_name, elem in RssItem().elements.items())
def test_elements_uniqueness(self, elem, elem_name):
elem1 = elem.__class__() if not isinstance(
elem, MultipleElements) else elem.__class__(ItemElement)
elem2 = elem.__class__() if not isinstance(
elem, MultipleElements) else elem.__class__(ItemElement)
self.assertIsNot(
elem1,
elem2,
msg="Instances of element class '{}' are identical".format(
elem.__class__.__name__))
item1 = RssItem()
item2 = RssItem()
self.assertIsNot(
getattr(item1, elem_name),
getattr(item2, elem_name),
msg=
"Appropriate elements [class '{}'] of RSS item instances are identical"
.format(elem.__class__.__name__))
@parameterized.expand((elem, str(elem_name), attr, attr_name)
for elem_name, elem in RssItem().elements.items()
for attr_name, attr in elem.attrs.items())
def test_attributes_uniqueness(self, elem, elem_name, attr, attr_name):
item1 = RssItem()
item2 = RssItem()
attr1 = attr.__class__()
attr2 = attr.__class__()
self.assertIsNot(
attr1,
attr2,
msg="Instances of attribute [class '{}'] are identical".format(
attr.__class__.__name__))
self.assertIsNot(
getattr(getattr(item1, elem_name), attr_name.priv_name),
getattr(getattr(item2, elem_name), attr_name.priv_name),
msg=
"Appropriate attributes [class '{}'] of appropriate elements [class '{}'] "
"of RSS item instances are identical".format(
attr.__class__.__name__, elem.__class__.__name__))
@parameterized.expand((elem, str(elem_name), value)
for elem_name, elem in RssItem().elements.items()
for value in values)
def test_item_properties_v1(self, elem, elem_name, value):
item = RssItem()
if elem.required_attrs:
with six.assertRaisesRegex(self, ValueError,
'Could not assign value'):
setattr(item, elem_name, value)
else:
setattr(item, elem_name, value)
self.assertEqual(getattr(item, elem_name), value)
def test_item_properties_v2(self):
self.assertEqual(self.item_with_empty_title_only.title,
self.empty_text)
self.assertEqual(self.item_with_empty_description_only.description,
self.empty_text)
self.assertEqual(self.item_with_title_only.title, self.non_empty_title)
self.assertEqual(self.item_with_description_only.description,
self.non_empty_description)
self.assertEqual(self.item_with_single_category.title,
self.non_empty_title)
self.assertEqual(self.item_with_single_category.category,
self.categories[0])
self.assertEqual(self.item_with_3_categories.title,
self.non_empty_title)
self.assertEqual(self.item_with_2_categories.category,
self.categories[:2])
self.assertEqual(self.item_with_4_categories.title,
self.non_empty_title)
self.assertEqual(self.item_with_3_categories.category,
self.categories[:3])
self.assertEqual(self.item_with_4_categories.title,
self.non_empty_title)
self.assertEqual(self.item_with_4_categories.category,
self.categories[:4])
self.assertEqual(self.item_with_unescaped_text.title,
self.unescaped_title)
self.assertEqual(self.item_with_unescaped_text.description,
self.unescaped_description)
for idx, items in self.items_with_guid.items():
for item in items:
self.assertEqual(item.guid, self.guids[idx]['guid'])
self.assertEqual(item.guid.guid, self.guids[idx]['guid'])
self.assertEqual(item.guid.isPermaLink,
self.guids[idx]['isPermaLink'])
@parameterized.expand((elem, ) for elem in RssItem().elements.values())
def test_element_init_without_args(self, elem):
elem_cls = elem.__class__
if elem_cls is MultipleElements:
elem_cls(ItemElement)
else:
elem_cls()
@parameterized.expand((elem, str(attr), value)
for elem in RssItem().elements.values()
for attr in elem.attrs for value in values
if not isinstance(elem, MultipleElements))
def test_element_init_with_single_kwarg(self, elem, attr_name, value):
elem_cls = elem.__class__
elem_cls(**{attr_name: value})
@parameterized.expand(
(elem, str(bad_attr), value) for elem in RssItem().elements.values()
for bad_attr in chain(('impossible_attr', ),
set(attr for elem in RssItem().elements.values()
for attr in elem.attrs) - set(elem.attrs))
for value in values if not isinstance(elem, MultipleElements))
def test_element_init_with_bad_kwarg(self, elem, bad_attr_name, value):
elem_cls = elem.__class__
with six.assertRaisesRegex(
self,
ValueError,
'supports only the next named arguments',
msg="Invalid attribute '{}' was passed to '{}' initializer".
format(bad_attr_name, elem_cls.__name__)):
elem_cls(**{bad_attr_name: value})
@parameterized.expand((elem, value)
for elem in RssItem().elements.values()
for value in values
if not isinstance(elem, MultipleElements))
def test_element_init_content_arg(self, elem, value):
elem_cls = elem.__class__
if elem.content_arg:
el = elem_cls(value)
self.assertEqual(el, getattr(el, str(el.content_arg)))
self.assertEqual(el, value)
else:
with six.assertRaisesRegex(
self,
ValueError,
'does not support unnamed arguments',
msg="Invalid attribute was passed to '{}' initializer "
"(element must not have content)".format(
elem_cls.__name__)):
elem_cls(value)
@parameterized.expand((elem, value1, value2)
for elem in RssItem().elements.values()
for value1, value2 in zip(values, values)
if not isinstance(elem, MultipleElements))
def test_element_init_with_multiple_args(self, elem, value1, value2):
elem_cls = elem.__class__
if elem.content_arg:
with six.assertRaisesRegex(
self,
ValueError,
'supports only single unnamed argument',
msg="Invalid attribute was passed to '{}' initializer "
"(element must not have content)".format(
elem_cls.__name__)):
elem_cls(value1, value2)
else:
with six.assertRaisesRegex(
self,
ValueError,
'does not support unnamed arguments',
msg="Invalid attribute was passed to '{}' initializer "
"(element must not have content)".format(
elem_cls.__name__)):
elem_cls(value1, value2)
@parameterized.expand(
(str(elem_name), str(attr_name), value)
for elem_name, elem_descr in RssItem().elements.items()
for attr_name in elem_descr.attrs for value in values)
def test_element_setattr(self, elem_name, attr_name, value):
item = RssItem()
elem = getattr(item, elem_name)
setattr(elem, attr_name, value)
self.assertEqual(getattr(elem, attr_name), value)
def test_multi_content_element(self):
with six.assertRaisesRegex(self, ValueError,
r"More than one attributes.*as content"):
class Element0(ItemElement):
attr1 = ItemElementAttribute(is_content=True)
attr2 = ItemElementAttribute(is_content=False)
attr3 = ItemElementAttribute(is_content=True)
def test_element_setattr(self, elem_name, attr_name, value):
item = RssItem()
elem = getattr(item, elem_name)
setattr(elem, attr_name, value)
self.assertEqual(getattr(elem, attr_name), value)
def __init__(self, *args, **kwargs):
super(TestSimpleElements, self).__init__(*args, **kwargs)
self.empty_text = ""
self.non_empty_title = "Non-empty title"
self.non_empty_description = "Non-empty description"
self.categories = [
"first category name", "second category name",
"third category name", "fourth category name"
]
self.unescaped_title = "<b>Non-empty<br/> title</b>"
self.unescaped_description = "<b>Non-empty description</b><img src='url'/>"
self.item_with_empty_title_only = RssItem()
self.item_with_empty_title_only.title = self.empty_text
self.item_with_empty_description_only = RssItem()
self.item_with_empty_description_only.description = self.empty_text
self.item_with_title_only = RssItem()
self.item_with_title_only.title = self.non_empty_title
self.item_with_description_only = RssItem()
self.item_with_description_only.description = self.non_empty_description
self.item_with_single_category = RssItem()
self.item_with_single_category.title = self.non_empty_title
self.item_with_single_category.category = self.categories[0]
self.item_with_2_categories = RssItem()
self.item_with_2_categories.title = self.non_empty_title
self.item_with_2_categories.category = self.categories[:2]
self.item_with_3_categories = RssItem()
self.item_with_3_categories.title = self.non_empty_title
self.item_with_3_categories.category = self.categories[:3]
self.item_with_4_categories = RssItem()
self.item_with_4_categories.title = self.non_empty_title
self.item_with_4_categories.category = self.categories[:4]
self.item_with_unescaped_text = RssItem()
self.item_with_unescaped_text.title = self.unescaped_title
self.item_with_unescaped_text.description = self.unescaped_description
self.guids = [
{
'guid': 'identifier 1',
'isPermaLink': False
},
{
'guid': 'identifier 2',
'isPermaLink': True
},
]
self.items_with_guid = {0: [], 1: []}
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid = self.guids[0]['guid']
self.items_with_guid[0].append(item_with_guid)
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid = self.guids[0]
self.items_with_guid[0].append(item_with_guid)
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid.guid = self.guids[0]['guid']
self.items_with_guid[0].append(item_with_guid)
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid = self.guids[1]
self.items_with_guid[1].append(item_with_guid)
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid = self.guids[1]['guid']
item_with_guid.guid.isPermaLink = self.guids[1]['isPermaLink']
self.items_with_guid[1].append(item_with_guid)
item_with_guid = RssItem()
item_with_guid.title = self.non_empty_title
item_with_guid.guid = GuidElement(**self.guids[1])
self.items_with_guid[1].append(item_with_guid)
def test_element_initializer(self):
all_attrs = set(attr for elem in RssItem().elements.values()
for attr in elem.attrs)
all_attrs.add('impossible_attr')
for elem in RssItem().elements.values():
elem_cls = elem.__class__
if elem_cls == MultipleElements:
elem_cls(ItemElement)
continue
else:
elem_cls()
for attr in elem.attrs:
elem_cls(**{attr: None})
elem_cls(**{attr: 0})
elem_cls(**{attr: ''})
elem_cls(**{attr: 1})
elem_cls(**{attr: '1'})
for bad_attr in all_attrs - set(elem.attrs):
for val in (None, 0, '', 1, '1'):
with self.assertRaisesRegexp(
ValueError,
'supports only the next named arguments',
msg=
"Invalid attribute '{}' was passed to '{}' initializer"
.format(bad_attr, elem_cls.__name__)):
elem_cls(**{bad_attr: val})
for val in (None, 0, '', 1, '1'):
if elem.content_arg:
el = elem_cls(val)
self.assertEqual(el, getattr(el, el.content_arg))
self.assertEqual(el, val)
else:
with self.assertRaisesRegexp(
ValueError,
'does not support unnamed arguments',
msg=
"Invalid attribute was passed to '{}' initializer "
"(element must not have content)".format(
elem_cls.__name__)):
elem_cls(val)
for val1, val2 in zip((None, 0, '', 1, '1'),
(None, 0, '', 1, '1')):
if elem.content_arg:
with self.assertRaisesRegexp(
ValueError,
'supports only single unnamed argument',
msg=
"Invalid attribute was passed to '{}' initializer "
"(element must not have content)".format(
elem_cls.__name__)):
elem_cls(val1, val2)
else:
with self.assertRaisesRegexp(
ValueError,
'does not support unnamed arguments',
msg=
"Invalid attribute was passed to '{}' initializer "
"(element must not have content)".format(
elem_cls.__name__)):
elem_cls(val1, val2)