/
test_document_fragment.rb
506 lines (421 loc) · 18.9 KB
/
test_document_fragment.rb
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# -*- coding: utf-8 -*-
# frozen_string_literal: true
require "helper"
module Nokogiri
module HTML
class TestDocumentFragment < Nokogiri::TestCase
describe Nokogiri::HTML::DocumentFragment do
let(:html) { Nokogiri::HTML.parse(File.read(HTML_FILE), HTML_FILE) }
def test_ascii_8bit_encoding
s = +"hello"
s.force_encoding(::Encoding::ASCII_8BIT)
assert_equal("hello", Nokogiri::HTML::DocumentFragment.parse(s).to_html)
end
def test_inspect_encoding
fragment = "<div>こんにちは！</div>".encode("EUC-JP")
f = Nokogiri::HTML::DocumentFragment.parse(fragment)
assert_equal("こんにちは！", f.content)
end
def test_html_parse_encoding
fragment = "<div>こんにちは！</div>".encode("EUC-JP")
f = Nokogiri::HTML.fragment(fragment)
assert_equal("EUC-JP", f.document.encoding)
assert_equal("こんにちは！", f.content)
end
def test_unlink_empty_document
frag = Nokogiri::HTML::DocumentFragment.parse("").unlink # must_not_raise
assert_nil(frag.parent)
end
def test_colons_are_not_removed
doc = Nokogiri::HTML::DocumentFragment.parse("<span>3:30pm</span>")
assert_match(/3:30/, doc.to_s)
end
def test_parse_encoding
fragment = "<div>hello world</div>"
f = Nokogiri::HTML::DocumentFragment.parse(fragment, "ISO-8859-1")
assert_equal("ISO-8859-1", f.document.encoding)
assert_equal("hello world", f.content)
end
def test_html_parse_with_encoding
fragment = "<div>hello world</div>"
f = Nokogiri::HTML.fragment(fragment, "ISO-8859-1")
assert_equal("ISO-8859-1", f.document.encoding)
assert_equal("hello world", f.content)
end
def test_parse_in_context
assert_equal("<br>", html.root.parse("<br />").to_s)
end
def test_inner_html=
fragment = Nokogiri::HTML.fragment("<hr />")
fragment.inner_html = "hello"
assert_equal("hello", fragment.inner_html)
end
def test_ancestors_search
html = <<~EOF
<div>
<ul>
<li>foo</li>
</ul>
</div>
EOF
fragment = Nokogiri::HTML.fragment(html)
li = fragment.at("li")
assert(li.matches?("li"))
end
def test_fun_encoding
string = %(<body>こんにちは</body>)
html = Nokogiri::HTML::DocumentFragment.parse(
string
).to_html(encoding: "UTF-8")
assert_equal(string, html)
end
def test_new
assert(Nokogiri::HTML::DocumentFragment.new(html))
end
def test_body_fragment_should_contain_body
fragment = Nokogiri::HTML::DocumentFragment.parse(" <body><div>foo</div></body>")
assert_match(/^<body>/, fragment.to_s)
end
def test_nonbody_fragment_should_not_contain_body
fragment = Nokogiri::HTML::DocumentFragment.parse("<div>foo</div>")
assert_match(/^<div>/, fragment.to_s)
end
def test_fragment_should_have_document
fragment = Nokogiri::HTML::DocumentFragment.new(html)
assert_equal(html, fragment.document)
end
def test_empty_fragment_should_be_searchable_by_css
fragment = Nokogiri::HTML.fragment("")
assert_equal(0, fragment.css("a").size)
end
def test_empty_fragment_should_be_searchable
fragment = Nokogiri::HTML.fragment("")
assert_equal(0, fragment.search("//a").size)
end
def test_name
fragment = Nokogiri::HTML::DocumentFragment.new(html)
assert_equal("#document-fragment", fragment.name)
end
def test_static_method
fragment = Nokogiri::HTML::DocumentFragment.parse("<div>a</div>")
assert_instance_of(Nokogiri::HTML::DocumentFragment, fragment)
end
def test_many_fragments
100.times { Nokogiri::HTML::DocumentFragment.new(html) }
end
def test_html_fragment
fragment = Nokogiri::HTML.fragment("<div>a</div>")
assert_equal("<div>a</div>", fragment.to_s)
end
def test_html_fragment_has_outer_text
doc = "a<div>b</div>c"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
if Nokogiri.uses_libxml?("<= 2.6.16")
assert_equal("a<div>b</div><p>c</p>", fragment.to_s)
else
assert_equal("a<div>b</div>c", fragment.to_s)
end
end
def test_html_fragment_case_insensitivity
doc = "<Div>b</Div>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_equal("<div>b</div>", fragment.to_s)
end
def test_html_fragment_with_leading_whitespace
doc = " <div>b</div> "
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_match(%r% <div>b</div> *%, fragment.to_s)
end
def test_html_fragment_with_leading_whitespace_and_newline
doc = " \n<div>b</div> "
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_match(%r% \n<div>b</div> *%, fragment.to_s)
end
def test_html_fragment_with_input_and_intermediate_whitespace
doc = "<label>Label</label><input type=\"text\"> <span>span</span>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_equal("<label>Label</label><input type=\"text\"> <span>span</span>", fragment.to_s)
end
def test_html_fragment_with_leading_text_and_newline
fragment = HTML::Document.new.fragment("First line\nSecond line<br>Broken line")
assert_equal("First line\nSecond line<br>Broken line", fragment.to_s)
end
def test_html_fragment_with_leading_whitespace_and_text_and_newline
fragment = HTML::Document.new.fragment(" First line\nSecond line<br>Broken line")
assert_equal(" First line\nSecond line<br>Broken line", fragment.to_s)
end
def test_html_fragment_with_leading_entity
failed = ""test<br/>test""
fragment = Nokogiri::HTML::DocumentFragment.parse(failed)
assert_equal('"test<br>test"', fragment.to_html)
end
def test_to_s
doc = "<span>foo<br></span><span>bar</span>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_equal("<span>foo<br></span><span>bar</span>", fragment.to_s)
end
def test_to_html
doc = "<span>foo<br></span><span>bar</span>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_equal("<span>foo<br></span><span>bar</span>", fragment.to_html)
end
def test_to_xhtml
doc = "<span>foo<br></span><span>bar</span><p></p>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
if Nokogiri.jruby? || Nokogiri.uses_libxml?(">= 2.7.0")
assert_equal("<span>foo<br /></span><span>bar</span><p></p>", fragment.to_xhtml)
else
# FIXME: why are we doing this ? this violates the spec,
# see http://www.w3.org/TR/xhtml1/#C_2
assert_equal("<span>foo<br></span><span>bar</span><p></p>", fragment.to_xhtml)
end
end
def test_to_xml
doc = "<span>foo<br></span><span>bar</span>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_equal("<span>foo<br/></span><span>bar</span>", fragment.to_xml)
end
def test_fragment_script_tag_with_cdata
doc = HTML::Document.new
fragment = doc.fragment("<script>var foo = 'bar';</script>")
assert_equal("<script>var foo = 'bar';</script>",
fragment.to_s)
end
def test_fragment_with_comment
doc = HTML::Document.new
fragment = doc.fragment("<p>hello<!-- your ad here --></p>")
assert_equal("<p>hello<!-- your ad here --></p>",
fragment.to_s)
end
def test_element_children_counts
if Nokogiri.uses_libxml?("<= 2.9.1")
skip("#elements doesn't work in 2.9.1, see 1793a5a for history")
end
doc = Nokogiri::HTML::DocumentFragment.parse(" <div> </div>\n ")
assert_equal(1, doc.element_children.count)
end
def test_malformed_fragment_is_corrected
fragment = HTML::DocumentFragment.parse("<div </div>")
assert_equal("<div></div>", fragment.to_s)
end
def test_unclosed_script_tag
# see GH#315
fragment = HTML::DocumentFragment.parse("foo <script>bar")
assert_equal("foo <script>bar</script>", fragment.to_html)
end
def test_error_propagation_on_fragment_parse
frag = Nokogiri::HTML::DocumentFragment.parse("<hello>oh, hello there.</hello>")
assert(frag.errors.any? { |err| err.to_s.include?("Tag hello invalid") }, "errors should be copied to the fragment")
end
def test_error_propagation_on_fragment_parse_in_node_context
doc = Nokogiri::HTML::Document.parse("<html><body><div></div></body></html>")
context_node = doc.at_css("div")
frag = Nokogiri::HTML::DocumentFragment.new(doc, "<hello>oh, hello there.</hello>", context_node)
assert(frag.errors.any? do |err|
err.to_s.include?("Tag hello invalid")
end, "errors should be on the context node's document")
end
def test_error_propagation_on_fragment_parse_in_node_context_should_not_include_preexisting_errors
doc = Nokogiri::HTML::Document.parse("<html><body><div></div><jimmy></jimmy></body></html>")
assert(doc.errors.any? { |err| err.to_s.include?("jimmy") }, "assert on setup")
context_node = doc.at_css("div")
frag = Nokogiri::HTML::DocumentFragment.new(doc, "<hello>oh, hello there.</hello>", context_node)
assert(frag.errors.any? do |err|
err.to_s.include?("Tag hello invalid")
end, "errors should be on the context node's document")
assert(frag.errors.none? do |err|
err.to_s.include?("jimmy")
end, "errors should not include pre-existing document errors")
end
def test_capturing_nonparse_errors_during_fragment_clone
# see https://github.com/sparklemotion/nokogiri/issues/1196 for background
original = Nokogiri::HTML.fragment("<div id='unique'></div><div id='unique'></div>")
original_errors = original.errors.dup
copy = original.dup
assert_equal(original_errors, copy.errors)
end
def test_capturing_nonparse_errors_during_node_copy_between_fragments
# Errors should be emitted while parsing only, and should not change when moving nodes.
frag1 = Nokogiri::HTML.fragment("<diva id='unique'>one</diva>")
frag2 = Nokogiri::HTML.fragment("<dive id='unique'>two</dive>")
node1 = frag1.at_css("#unique")
node2 = frag2.at_css("#unique")
original_errors1 = frag1.errors.dup
original_errors2 = frag2.errors.dup
assert(original_errors1.any? { |e| e.to_s.include?("Tag diva invalid") }, "it should complain about the tag name")
assert(original_errors2.any? { |e| e.to_s.include?("Tag dive invalid") }, "it should complain about the tag name")
node1.add_child(node2)
assert_equal(original_errors1, frag1.errors)
assert_equal(original_errors2, frag2.errors)
end
def test_dup_should_create_an_html_document_fragment
# https://github.com/sparklemotion/nokogiri/issues/1846
original = Nokogiri::HTML::DocumentFragment.parse("<div><p>hello</p></div>")
duplicate = original.dup
assert_instance_of(Nokogiri::HTML::DocumentFragment, duplicate)
end
describe "parse options" do
let(:html4_default) do
Nokogiri::XML::ParseOptions.new(Nokogiri::XML::ParseOptions::DEFAULT_HTML)
end
let(:html4_strict) do
Nokogiri::XML::ParseOptions.new(Nokogiri::XML::ParseOptions::DEFAULT_HTML).norecover
end
let(:input) { "<div>foo</div" }
it "sets the test up correctly" do
assert(html4_strict.strict?)
end
describe "HTML4.fragment" do
it "has sane defaults" do
frag = Nokogiri::HTML4.fragment(input)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
end
it "accepts options" do
frag = Nokogiri::HTML4.fragment(input, nil, html4_default)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4.fragment(input, nil, html4_strict)
end
end
it "takes a config block" do
default_config = nil
Nokogiri::HTML4.fragment(input) do |config|
default_config = config
end
refute(default_config.strict?)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4.fragment(input, &:norecover)
end
end
end
describe "HTML4::DocumentFragment.parse" do
it "has sane defaults" do
frag = Nokogiri::HTML4::DocumentFragment.parse(input)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
end
it "accepts options" do
frag = Nokogiri::HTML4::DocumentFragment.parse(input, nil, html4_default)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.parse(input, nil, html4_strict)
end
end
it "takes a config block" do
default_config = nil
Nokogiri::HTML4::DocumentFragment.parse(input) do |config|
default_config = config
end
refute(default_config.strict?)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.parse(input, &:norecover)
end
end
end
describe "HTML4::DocumentFragment.new" do
describe "without a context node" do
it "has sane defaults" do
frag = Nokogiri::HTML4::DocumentFragment.new(Nokogiri::HTML4::Document.new, input)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
end
it "accepts options" do
frag = Nokogiri::HTML4::DocumentFragment.new(Nokogiri::HTML4::Document.new, input, nil, html4_default)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.new(Nokogiri::HTML4::Document.new, input, nil, html4_strict)
end
end
it "takes a config block" do
default_config = nil
Nokogiri::HTML4::DocumentFragment.new(Nokogiri::HTML4::Document.new, input) do |config|
default_config = config
end
refute(default_config.strict?)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.new(Nokogiri::HTML4::Document.new, input, &:norecover)
end
end
end
describe "with a context node" do
let(:document) { Nokogiri::HTML4::Document.parse("<context></context>") }
let(:context_node) { document.at_css("context") }
it "has sane defaults" do
frag = Nokogiri::HTML4::DocumentFragment.new(document, input, context_node)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
end
it "accepts options" do
frag = Nokogiri::HTML4::DocumentFragment.new(document, input, context_node, html4_default)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.new(document, input, context_node, html4_strict)
end
end
it "takes a config block" do
default_config = nil
Nokogiri::HTML4::DocumentFragment.new(document, input, context_node) do |config|
default_config = config
end
refute(default_config.strict?)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.new(document, input, context_node, &:norecover)
end
end
end
end
end
describe "subclassing" do
let(:klass) do
Class.new(Nokogiri::HTML::DocumentFragment) do
attr_accessor :initialized_with, :initialized_count
def initialize(*args)
super
@initialized_with = args
@initialized_count ||= 0
@initialized_count += 1
end
end
end
describe ".new" do
it "returns an instance of the right class" do
fragment = klass.new(html, "<div>a</div>")
assert_instance_of(klass, fragment)
end
it "calls #initialize exactly once" do
fragment = klass.new(html, "<div>a</div>")
assert_equal(1, fragment.initialized_count)
end
it "passes args to #initialize" do
fragment = klass.new(html, "<div>a</div>")
assert_equal([html, "<div>a</div>"], fragment.initialized_with)
end
end
it "#dup returns the expected class" do
doc = klass.new(html, "<div>a</div>").dup
assert_instance_of(klass, doc)
end
describe ".parse" do
it "returns an instance of the right class" do
fragment = klass.parse("<div>a</div>")
assert_instance_of(klass, fragment)
end
it "calls #initialize exactly once" do
fragment = klass.parse("<div>a</div>")
assert_equal(1, fragment.initialized_count)
end
it "passes the fragment" do
fragment = klass.parse("<div>a</div>")
assert_equal(Nokogiri::HTML::DocumentFragment.parse("<div>a</div>").to_s, fragment.to_s)
end
end
end
end
end
end
end