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75 lines
2.3 KiB
75 lines
2.3 KiB
2 years ago
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"""Tests of classes in element.py.
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The really big classes -- Tag, PageElement, and NavigableString --
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are tested in separate files.
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"""
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from bs4.element import (
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CharsetMetaAttributeValue,
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ContentMetaAttributeValue,
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NamespacedAttribute,
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)
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from . import SoupTest
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class TestNamedspacedAttribute(object):
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def test_name_may_be_none_or_missing(self):
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a = NamespacedAttribute("xmlns", None)
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assert a == "xmlns"
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a = NamespacedAttribute("xmlns", "")
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assert a == "xmlns"
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a = NamespacedAttribute("xmlns")
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assert a == "xmlns"
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def test_namespace_may_be_none_or_missing(self):
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a = NamespacedAttribute(None, "tag")
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assert a == "tag"
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a = NamespacedAttribute("", "tag")
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assert a == "tag"
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def test_attribute_is_equivalent_to_colon_separated_string(self):
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a = NamespacedAttribute("a", "b")
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assert "a:b" == a
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def test_attributes_are_equivalent_if_prefix_and_name_identical(self):
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a = NamespacedAttribute("a", "b", "c")
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b = NamespacedAttribute("a", "b", "c")
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assert a == b
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# The actual namespace is not considered.
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c = NamespacedAttribute("a", "b", None)
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assert a == c
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# But name and prefix are important.
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d = NamespacedAttribute("a", "z", "c")
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assert a != d
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e = NamespacedAttribute("z", "b", "c")
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assert a != e
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class TestAttributeValueWithCharsetSubstitution(object):
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"""Certain attributes are designed to have the charset of the
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final document substituted into their value.
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"""
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def test_content_meta_attribute_value(self):
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# The value of a CharsetMetaAttributeValue is whatever
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# encoding the string is in.
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value = CharsetMetaAttributeValue("euc-jp")
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assert "euc-jp" == value
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assert "euc-jp" == value.original_value
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assert "utf8" == value.encode("utf8")
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assert "ascii" == value.encode("ascii")
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def test_content_meta_attribute_value(self):
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value = ContentMetaAttributeValue("text/html; charset=euc-jp")
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assert "text/html; charset=euc-jp" == value
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assert "text/html; charset=euc-jp" == value.original_value
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assert "text/html; charset=utf8" == value.encode("utf8")
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assert "text/html; charset=ascii" == value.encode("ascii")
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