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# -*- coding: utf-8 -*-
# frozen_string_literal: true
require "helper"
module Nokogiri::HTML4::SAX
describe Nokogiri::HTML4::SAX::ParserContext do
describe "constructor" do
describe ".new" do
it "handles IO" do
ctx = ParserContext.new(StringIO.new("fo"), "UTF-8")
assert(ctx)
end
it "handles String" do
ctx = ParserContext.new("blah blah")
assert(ctx)
end
end
it ".file" do
ctx = ParserContext.file(Nokogiri::TestCase::HTML_FILE, "UTF-8")
parser = Parser.new(Nokogiri::SAX::TestCase::Doc.new)
ctx.parse_with(parser)
assert(parser.document.start_document_called)
assert(parser.document.end_document_called)
end
it "gracefully handles invalid types" do
assert_raises(TypeError) { ParserContext.new(0xcafecafe) }
assert_raises(TypeError) { ParserContext.memory(0xcafecafe) }
assert_raises(TypeError) { ParserContext.io(0xcafecafe) }
assert_raises(TypeError) { ParserContext.file(0xcafecafe) }
end
describe "encoding" do
# this input string is really ISO-8859-1 but is marked as UTF-8
let(:html_encoding_broken2) { <<~HTML }
<html><meta charset="UTF-8">
<body>B\xF6hnhardt</body>
HTML
it "gracefully handles nonsense encodings" do
assert_raises(ArgumentError) do
ParserContext.io(StringIO.new("asdf"), "not-an-encoding")
end
assert_raises(ArgumentError) do
ParserContext.memory("asdf", "not-an-encoding")
end
assert_raises(ArgumentError) do
ParserContext.file(Nokogiri::TestCase::XML_FILE, "not-an-encoding")
end
end
describe ".io" do
it "supports passing encoding name" do
pc = ParserContext.io(StringIO.new(html_encoding_broken2), "ISO-8859-1")
parser = Parser.new(Nokogiri::SAX::TestCase::Doc.new)
pc.parse_with(parser)
assert_equal("Böhnhardt", parser.document.data.join.strip)
end
it "supports passing Encoding" do
pc = ParserContext.io(StringIO.new(html_encoding_broken2), Encoding::ISO_8859_1)
parser = Parser.new(Nokogiri::SAX::TestCase::Doc.new)
pc.parse_with(parser)
assert_equal("Böhnhardt", parser.document.data.join.strip)
end
it "supports passing libxml2 encoding id" do
enc = nil
assert_output(nil, /deprecated/) do
enc = Parser::ENCODINGS["ISO-8859-1"]
end
pc = nil
assert_output(nil, /deprecated/) do
pc = ParserContext.io(StringIO.new(html_encoding_broken2), enc)
end
parser = Parser.new(Nokogiri::SAX::TestCase::Doc.new)
pc.parse_with(parser)
assert_equal("Böhnhardt", parser.document.data.join.strip)
end
end
describe ".memory" do
it "supports passing encoding name" do
pc = ParserContext.memory(html_encoding_broken2, "ISO-8859-1")
parser = Parser.new(Nokogiri::SAX::TestCase::Doc.new)
pc.parse_with(parser)
assert_equal("Böhnhardt", parser.document.data.join.strip)
end
it "supports passing Encoding" do
pc = ParserContext.memory(html_encoding_broken2, Encoding::ISO_8859_1)
parser = Parser.new(Nokogiri::SAX::TestCase::Doc.new)
pc.parse_with(parser)
assert_equal("Böhnhardt", parser.document.data.join.strip)
end
end
describe ".file" do
let(:file) do
Tempfile.new.tap do |f|
f.write html_encoding_broken2
f.close
end
end
it "supports passing encoding name" do
pc = ParserContext.file(file.path, "ISO-8859-1")
parser = Parser.new(Nokogiri::SAX::TestCase::Doc.new)
pc.parse_with(parser)
assert_equal("Böhnhardt", parser.document.data.join.strip)
end
it "supports passing Encoding" do
pc = ParserContext.file(file.path, Encoding::ISO_8859_1)
parser = Parser.new(Nokogiri::SAX::TestCase::Doc.new)
pc.parse_with(parser)
assert_equal("Böhnhardt", parser.document.data.join.strip)
end
end
end
end
describe "#parse_with" do
it "raises when passed nil" do
ctx = ParserContext.new("blah")
assert_raises(ArgumentError) do
ctx.parse_with(nil)
end
end
it "parses when passed a sax parser" do
ctx = ParserContext.new("<root/>")
parser = Parser.new(Nokogiri::SAX::TestCase::Doc.new)
assert_nil(ctx.parse_with(parser))
assert(parser.document.start_document_called)
assert(parser.document.end_document_called)
end
end
end
end
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