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753 lines
19 KiB
Go
753 lines
19 KiB
Go
1 year ago
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package xml
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import (
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"bytes"
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"fmt"
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"io"
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"reflect"
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"strings"
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"testing"
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"unicode/utf8"
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)
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const testInput = `
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<body xmlns:foo="ns1" xmlns="ns2" xmlns:tag="ns3" ` +
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"\r\n\t" + ` >
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<hello lang="en">World <>'" 白鵬翔</hello>
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<query>&何; &is-it;</query>
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<goodbye />
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<outer foo:attr="value" xmlns:tag="ns4">
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<inner/>
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</outer>
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<tag:name>
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<![CDATA[Some text here.]]>
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</tag:name>
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</body><!-- missing final newline -->`
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var testEntity = map[string]string{"何": "What", "is-it": "is it?"}
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var rawTokens = []Token{
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CharData("\n"),
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ProcInst{"xml", []byte(`version="1.0" encoding="UTF-8"`)},
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CharData("\n"),
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Directive(`DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"`),
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CharData("\n"),
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StartElement{Name{"", "body"}, []Attr{{Name{"xmlns", "foo"}, "ns1"}, {Name{"", "xmlns"}, "ns2"}, {Name{"xmlns", "tag"}, "ns3"}}},
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CharData("\n "),
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StartElement{Name{"", "hello"}, []Attr{{Name{"", "lang"}, "en"}}},
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CharData("World <>'\" 白鵬翔"),
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EndElement{Name{"", "hello"}},
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CharData("\n "),
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StartElement{Name{"", "query"}, []Attr{}},
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CharData("What is it?"),
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EndElement{Name{"", "query"}},
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CharData("\n "),
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StartElement{Name{"", "goodbye"}, []Attr{}},
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EndElement{Name{"", "goodbye"}},
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CharData("\n "),
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StartElement{Name{"", "outer"}, []Attr{{Name{"foo", "attr"}, "value"}, {Name{"xmlns", "tag"}, "ns4"}}},
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CharData("\n "),
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StartElement{Name{"", "inner"}, []Attr{}},
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EndElement{Name{"", "inner"}},
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CharData("\n "),
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EndElement{Name{"", "outer"}},
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CharData("\n "),
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StartElement{Name{"tag", "name"}, []Attr{}},
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CharData("\n "),
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CharData("Some text here."),
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CharData("\n "),
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EndElement{Name{"tag", "name"}},
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CharData("\n"),
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EndElement{Name{"", "body"}},
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Comment(" missing final newline "),
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}
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var cookedTokens = []Token{
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CharData("\n"),
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ProcInst{"xml", []byte(`version="1.0" encoding="UTF-8"`)},
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CharData("\n"),
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Directive(`DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"`),
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CharData("\n"),
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StartElement{Name{"ns2", "body"}, []Attr{{Name{"xmlns", "foo"}, "ns1"}, {Name{"", "xmlns"}, "ns2"}, {Name{"xmlns", "tag"}, "ns3"}}},
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CharData("\n "),
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StartElement{Name{"ns2", "hello"}, []Attr{{Name{"", "lang"}, "en"}}},
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CharData("World <>'\" 白鵬翔"),
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EndElement{Name{"ns2", "hello"}},
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CharData("\n "),
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StartElement{Name{"ns2", "query"}, []Attr{}},
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CharData("What is it?"),
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EndElement{Name{"ns2", "query"}},
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CharData("\n "),
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StartElement{Name{"ns2", "goodbye"}, []Attr{}},
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EndElement{Name{"ns2", "goodbye"}},
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CharData("\n "),
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StartElement{Name{"ns2", "outer"}, []Attr{{Name{"ns1", "attr"}, "value"}, {Name{"xmlns", "tag"}, "ns4"}}},
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CharData("\n "),
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StartElement{Name{"ns2", "inner"}, []Attr{}},
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EndElement{Name{"ns2", "inner"}},
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CharData("\n "),
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EndElement{Name{"ns2", "outer"}},
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CharData("\n "),
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StartElement{Name{"ns3", "name"}, []Attr{}},
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CharData("\n "),
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CharData("Some text here."),
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CharData("\n "),
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EndElement{Name{"ns3", "name"}},
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CharData("\n"),
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EndElement{Name{"ns2", "body"}},
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Comment(" missing final newline "),
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}
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const testInputAltEncoding = `
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<?xml version="1.0" encoding="x-testing-uppercase"?>
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<TAG>VALUE</TAG>`
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var rawTokensAltEncoding = []Token{
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CharData("\n"),
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ProcInst{"xml", []byte(`version="1.0" encoding="x-testing-uppercase"`)},
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CharData("\n"),
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StartElement{Name{"", "tag"}, []Attr{}},
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CharData("value"),
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EndElement{Name{"", "tag"}},
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}
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var xmlInput = []string{
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// unexpected EOF cases
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"<",
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"<t",
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"<t ",
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"<t/",
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"<!",
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"<!-",
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"<!--",
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"<!--c-",
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"<!--c--",
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"<!d",
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"<t></",
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"<t></t",
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"<?",
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"<?p",
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"<t a",
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"<t a=",
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"<t a='",
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"<t a=''",
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"<t/><![",
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"<t/><![C",
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"<t/><![CDATA[d",
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"<t/><![CDATA[d]",
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"<t/><![CDATA[d]]",
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// other Syntax errors
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"<>",
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"<t/a",
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"<0 />",
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"<?0 >",
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// "<!0 >", // let the Token() caller handle
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"</0>",
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"<t 0=''>",
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"<t a='&'>",
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"<t a='<'>",
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"<t> c;</t>",
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"<t a>",
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"<t a=>",
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"<t a=v>",
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// "<![CDATA[d]]>", // let the Token() caller handle
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"<t></e>",
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"<t></>",
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"<t></t!",
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"<t>cdata]]></t>",
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}
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func TestRawToken(t *testing.T) {
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d := NewDecoder(strings.NewReader(testInput))
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d.Entity = testEntity
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testRawToken(t, d, testInput, rawTokens)
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}
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const nonStrictInput = `
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<tag>non&entity</tag>
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<tag>&unknown;entity</tag>
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<tag>{</tag>
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<tag>&#zzz;</tag>
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<tag>&なまえ3;</tag>
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<tag><-gt;</tag>
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<tag>&;</tag>
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<tag>&0a;</tag>
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`
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var nonStringEntity = map[string]string{"": "oops!", "0a": "oops!"}
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var nonStrictTokens = []Token{
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CharData("\n"),
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StartElement{Name{"", "tag"}, []Attr{}},
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CharData("non&entity"),
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EndElement{Name{"", "tag"}},
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CharData("\n"),
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StartElement{Name{"", "tag"}, []Attr{}},
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CharData("&unknown;entity"),
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EndElement{Name{"", "tag"}},
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CharData("\n"),
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StartElement{Name{"", "tag"}, []Attr{}},
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CharData("{"),
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EndElement{Name{"", "tag"}},
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CharData("\n"),
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StartElement{Name{"", "tag"}, []Attr{}},
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CharData("&#zzz;"),
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EndElement{Name{"", "tag"}},
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CharData("\n"),
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StartElement{Name{"", "tag"}, []Attr{}},
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CharData("&なまえ3;"),
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EndElement{Name{"", "tag"}},
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CharData("\n"),
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StartElement{Name{"", "tag"}, []Attr{}},
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CharData("<-gt;"),
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EndElement{Name{"", "tag"}},
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CharData("\n"),
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StartElement{Name{"", "tag"}, []Attr{}},
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CharData("&;"),
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EndElement{Name{"", "tag"}},
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CharData("\n"),
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StartElement{Name{"", "tag"}, []Attr{}},
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CharData("&0a;"),
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EndElement{Name{"", "tag"}},
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CharData("\n"),
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}
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func TestNonStrictRawToken(t *testing.T) {
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d := NewDecoder(strings.NewReader(nonStrictInput))
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d.Strict = false
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testRawToken(t, d, nonStrictInput, nonStrictTokens)
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}
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type downCaser struct {
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t *testing.T
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r io.ByteReader
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}
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func (d *downCaser) ReadByte() (c byte, err error) {
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c, err = d.r.ReadByte()
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if c >= 'A' && c <= 'Z' {
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c += 'a' - 'A'
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}
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return
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}
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func (d *downCaser) Read(p []byte) (int, error) {
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d.t.Fatalf("unexpected Read call on downCaser reader")
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panic("unreachable")
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}
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func TestRawTokenAltEncoding(t *testing.T) {
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d := NewDecoder(strings.NewReader(testInputAltEncoding))
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d.CharsetReader = func(charset string, input io.Reader) (io.Reader, error) {
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if charset != "x-testing-uppercase" {
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t.Fatalf("unexpected charset %q", charset)
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}
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return &downCaser{t, input.(io.ByteReader)}, nil
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}
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testRawToken(t, d, testInputAltEncoding, rawTokensAltEncoding)
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}
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func TestRawTokenAltEncodingNoConverter(t *testing.T) {
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d := NewDecoder(strings.NewReader(testInputAltEncoding))
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token, err := d.RawToken()
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if token == nil {
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t.Fatalf("expected a token on first RawToken call")
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}
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if err != nil {
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t.Fatal(err)
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}
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token, err = d.RawToken()
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if token != nil {
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t.Errorf("expected a nil token; got %#v", token)
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}
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if err == nil {
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t.Fatalf("expected an error on second RawToken call")
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}
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const encoding = "x-testing-uppercase"
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if !strings.Contains(err.Error(), encoding) {
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t.Errorf("expected error to contain %q; got error: %v",
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encoding, err)
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}
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}
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func testRawToken(t *testing.T, d *Decoder, raw string, rawTokens []Token) {
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lastEnd := int64(0)
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for i, want := range rawTokens {
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start := d.InputOffset()
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have, err := d.RawToken()
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end := d.InputOffset()
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if err != nil {
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t.Fatalf("token %d: unexpected error: %s", i, err)
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}
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if !reflect.DeepEqual(have, want) {
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var shave, swant string
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if _, ok := have.(CharData); ok {
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shave = fmt.Sprintf("CharData(%q)", have)
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} else {
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shave = fmt.Sprintf("%#v", have)
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}
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if _, ok := want.(CharData); ok {
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swant = fmt.Sprintf("CharData(%q)", want)
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} else {
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swant = fmt.Sprintf("%#v", want)
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}
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t.Errorf("token %d = %s, want %s", i, shave, swant)
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}
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// Check that InputOffset returned actual token.
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switch {
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case start < lastEnd:
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t.Errorf("token %d: position [%d,%d) for %T is before previous token", i, start, end, have)
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case start >= end:
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// Special case: EndElement can be synthesized.
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if start == end && end == lastEnd {
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break
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}
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t.Errorf("token %d: position [%d,%d) for %T is empty", i, start, end, have)
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case end > int64(len(raw)):
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t.Errorf("token %d: position [%d,%d) for %T extends beyond input", i, start, end, have)
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default:
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text := raw[start:end]
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if strings.ContainsAny(text, "<>") && (!strings.HasPrefix(text, "<") || !strings.HasSuffix(text, ">")) {
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t.Errorf("token %d: misaligned raw token %#q for %T", i, text, have)
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}
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}
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lastEnd = end
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}
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}
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// Ensure that directives (specifically !DOCTYPE) include the complete
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// text of any nested directives, noting that < and > do not change
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// nesting depth if they are in single or double quotes.
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var nestedDirectivesInput = `
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<!DOCTYPE [<!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#">]>
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<!DOCTYPE [<!ENTITY xlt ">">]>
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<!DOCTYPE [<!ENTITY xlt "<">]>
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<!DOCTYPE [<!ENTITY xlt '>'>]>
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<!DOCTYPE [<!ENTITY xlt '<'>]>
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<!DOCTYPE [<!ENTITY xlt '">'>]>
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<!DOCTYPE [<!ENTITY xlt "'<">]>
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`
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var nestedDirectivesTokens = []Token{
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CharData("\n"),
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Directive(`DOCTYPE [<!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#">]`),
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CharData("\n"),
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Directive(`DOCTYPE [<!ENTITY xlt ">">]`),
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CharData("\n"),
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Directive(`DOCTYPE [<!ENTITY xlt "<">]`),
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CharData("\n"),
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Directive(`DOCTYPE [<!ENTITY xlt '>'>]`),
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CharData("\n"),
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Directive(`DOCTYPE [<!ENTITY xlt '<'>]`),
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CharData("\n"),
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Directive(`DOCTYPE [<!ENTITY xlt '">'>]`),
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|
|
CharData("\n"),
|
||
|
|
Directive(`DOCTYPE [<!ENTITY xlt "'<">]`),
|
||
|
|
CharData("\n"),
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestNestedDirectives(t *testing.T) {
|
||
|
|
d := NewDecoder(strings.NewReader(nestedDirectivesInput))
|
||
|
|
|
||
|
|
for i, want := range nestedDirectivesTokens {
|
||
|
|
have, err := d.Token()
|
||
|
|
if err != nil {
|
||
|
|
t.Fatalf("token %d: unexpected error: %s", i, err)
|
||
|
|
}
|
||
|
|
if !reflect.DeepEqual(have, want) {
|
||
|
|
t.Errorf("token %d = %#v want %#v", i, have, want)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestToken(t *testing.T) {
|
||
|
|
d := NewDecoder(strings.NewReader(testInput))
|
||
|
|
d.Entity = testEntity
|
||
|
|
|
||
|
|
for i, want := range cookedTokens {
|
||
|
|
have, err := d.Token()
|
||
|
|
if err != nil {
|
||
|
|
t.Fatalf("token %d: unexpected error: %s", i, err)
|
||
|
|
}
|
||
|
|
if !reflect.DeepEqual(have, want) {
|
||
|
|
t.Errorf("token %d = %#v want %#v", i, have, want)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestSyntax(t *testing.T) {
|
||
|
|
for i := range xmlInput {
|
||
|
|
d := NewDecoder(strings.NewReader(xmlInput[i]))
|
||
|
|
var err error
|
||
|
|
for _, err = d.Token(); err == nil; _, err = d.Token() {
|
||
|
|
}
|
||
|
|
if _, ok := err.(*SyntaxError); !ok {
|
||
|
|
t.Fatalf(`xmlInput "%s": expected SyntaxError not received`, xmlInput[i])
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
type allScalars struct {
|
||
|
|
True1 bool
|
||
|
|
True2 bool
|
||
|
|
False1 bool
|
||
|
|
False2 bool
|
||
|
|
Int int
|
||
|
|
Int8 int8
|
||
|
|
Int16 int16
|
||
|
|
Int32 int32
|
||
|
|
Int64 int64
|
||
|
|
Uint int
|
||
|
|
Uint8 uint8
|
||
|
|
Uint16 uint16
|
||
|
|
Uint32 uint32
|
||
|
|
Uint64 uint64
|
||
|
|
Uintptr uintptr
|
||
|
|
Float32 float32
|
||
|
|
Float64 float64
|
||
|
|
String string
|
||
|
|
PtrString *string
|
||
|
|
}
|
||
|
|
|
||
|
|
var all = allScalars{
|
||
|
|
True1: true,
|
||
|
|
True2: true,
|
||
|
|
False1: false,
|
||
|
|
False2: false,
|
||
|
|
Int: 1,
|
||
|
|
Int8: -2,
|
||
|
|
Int16: 3,
|
||
|
|
Int32: -4,
|
||
|
|
Int64: 5,
|
||
|
|
Uint: 6,
|
||
|
|
Uint8: 7,
|
||
|
|
Uint16: 8,
|
||
|
|
Uint32: 9,
|
||
|
|
Uint64: 10,
|
||
|
|
Uintptr: 11,
|
||
|
|
Float32: 13.0,
|
||
|
|
Float64: 14.0,
|
||
|
|
String: "15",
|
||
|
|
PtrString: &sixteen,
|
||
|
|
}
|
||
|
|
|
||
|
|
var sixteen = "16"
|
||
|
|
|
||
|
|
const testScalarsInput = `<allscalars>
|
||
|
|
<True1>true</True1>
|
||
|
|
<True2>1</True2>
|
||
|
|
<False1>false</False1>
|
||
|
|
<False2>0</False2>
|
||
|
|
<Int>1</Int>
|
||
|
|
<Int8>-2</Int8>
|
||
|
|
<Int16>3</Int16>
|
||
|
|
<Int32>-4</Int32>
|
||
|
|
<Int64>5</Int64>
|
||
|
|
<Uint>6</Uint>
|
||
|
|
<Uint8>7</Uint8>
|
||
|
|
<Uint16>8</Uint16>
|
||
|
|
<Uint32>9</Uint32>
|
||
|
|
<Uint64>10</Uint64>
|
||
|
|
<Uintptr>11</Uintptr>
|
||
|
|
<Float>12.0</Float>
|
||
|
|
<Float32>13.0</Float32>
|
||
|
|
<Float64>14.0</Float64>
|
||
|
|
<String>15</String>
|
||
|
|
<PtrString>16</PtrString>
|
||
|
|
</allscalars>`
|
||
|
|
|
||
|
|
func TestAllScalars(t *testing.T) {
|
||
|
|
var a allScalars
|
||
|
|
err := Unmarshal([]byte(testScalarsInput), &a)
|
||
|
|
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
if !reflect.DeepEqual(a, all) {
|
||
|
|
t.Errorf("have %+v want %+v", a, all)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
type item struct {
|
||
|
|
Field_a string
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestIssue569(t *testing.T) {
|
||
|
|
data := `<item><Field_a>abcd</Field_a></item>`
|
||
|
|
var i item
|
||
|
|
err := Unmarshal([]byte(data), &i)
|
||
|
|
|
||
|
|
if err != nil || i.Field_a != "abcd" {
|
||
|
|
t.Fatal("Expecting abcd")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestUnquotedAttrs(t *testing.T) {
|
||
|
|
data := "<tag attr=azAZ09:-_\t>"
|
||
|
|
d := NewDecoder(strings.NewReader(data))
|
||
|
|
d.Strict = false
|
||
|
|
token, err := d.Token()
|
||
|
|
if _, ok := err.(*SyntaxError); ok {
|
||
|
|
t.Errorf("Unexpected error: %v", err)
|
||
|
|
}
|
||
|
|
if token.(StartElement).Name.Local != "tag" {
|
||
|
|
t.Errorf("Unexpected tag name: %v", token.(StartElement).Name.Local)
|
||
|
|
}
|
||
|
|
attr := token.(StartElement).Attr[0]
|
||
|
|
if attr.Value != "azAZ09:-_" {
|
||
|
|
t.Errorf("Unexpected attribute value: %v", attr.Value)
|
||
|
|
}
|
||
|
|
if attr.Name.Local != "attr" {
|
||
|
|
t.Errorf("Unexpected attribute name: %v", attr.Name.Local)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestValuelessAttrs(t *testing.T) {
|
||
|
|
tests := [][3]string{
|
||
|
|
{"<p nowrap>", "p", "nowrap"},
|
||
|
|
{"<p nowrap >", "p", "nowrap"},
|
||
|
|
{"<input checked/>", "input", "checked"},
|
||
|
|
{"<input checked />", "input", "checked"},
|
||
|
|
}
|
||
|
|
for _, test := range tests {
|
||
|
|
d := NewDecoder(strings.NewReader(test[0]))
|
||
|
|
d.Strict = false
|
||
|
|
token, err := d.Token()
|
||
|
|
if _, ok := err.(*SyntaxError); ok {
|
||
|
|
t.Errorf("Unexpected error: %v", err)
|
||
|
|
}
|
||
|
|
if token.(StartElement).Name.Local != test[1] {
|
||
|
|
t.Errorf("Unexpected tag name: %v", token.(StartElement).Name.Local)
|
||
|
|
}
|
||
|
|
attr := token.(StartElement).Attr[0]
|
||
|
|
if attr.Value != test[2] {
|
||
|
|
t.Errorf("Unexpected attribute value: %v", attr.Value)
|
||
|
|
}
|
||
|
|
if attr.Name.Local != test[2] {
|
||
|
|
t.Errorf("Unexpected attribute name: %v", attr.Name.Local)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestCopyTokenCharData(t *testing.T) {
|
||
|
|
data := []byte("same data")
|
||
|
|
var tok1 Token = CharData(data)
|
||
|
|
tok2 := CopyToken(tok1)
|
||
|
|
if !reflect.DeepEqual(tok1, tok2) {
|
||
|
|
t.Error("CopyToken(CharData) != CharData")
|
||
|
|
}
|
||
|
|
data[1] = 'o'
|
||
|
|
if reflect.DeepEqual(tok1, tok2) {
|
||
|
|
t.Error("CopyToken(CharData) uses same buffer.")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestCopyTokenStartElement(t *testing.T) {
|
||
|
|
elt := StartElement{Name{"", "hello"}, []Attr{{Name{"", "lang"}, "en"}}}
|
||
|
|
var tok1 Token = elt
|
||
|
|
tok2 := CopyToken(tok1)
|
||
|
|
if tok1.(StartElement).Attr[0].Value != "en" {
|
||
|
|
t.Error("CopyToken overwrote Attr[0]")
|
||
|
|
}
|
||
|
|
if !reflect.DeepEqual(tok1, tok2) {
|
||
|
|
t.Error("CopyToken(StartElement) != StartElement")
|
||
|
|
}
|
||
|
|
tok1.(StartElement).Attr[0] = Attr{Name{"", "lang"}, "de"}
|
||
|
|
if reflect.DeepEqual(tok1, tok2) {
|
||
|
|
t.Error("CopyToken(CharData) uses same buffer.")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestSyntaxErrorLineNum(t *testing.T) {
|
||
|
|
testInput := "<P>Foo<P>\n\n<P>Bar</>\n"
|
||
|
|
d := NewDecoder(strings.NewReader(testInput))
|
||
|
|
var err error
|
||
|
|
for _, err = d.Token(); err == nil; _, err = d.Token() {
|
||
|
|
}
|
||
|
|
synerr, ok := err.(*SyntaxError)
|
||
|
|
if !ok {
|
||
|
|
t.Error("Expected SyntaxError.")
|
||
|
|
}
|
||
|
|
if synerr.Line != 3 {
|
||
|
|
t.Error("SyntaxError didn't have correct line number.")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestTrailingRawToken(t *testing.T) {
|
||
|
|
input := `<FOO></FOO> `
|
||
|
|
d := NewDecoder(strings.NewReader(input))
|
||
|
|
var err error
|
||
|
|
for _, err = d.RawToken(); err == nil; _, err = d.RawToken() {
|
||
|
|
}
|
||
|
|
if err != io.EOF {
|
||
|
|
t.Fatalf("d.RawToken() = _, %v, want _, io.EOF", err)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestTrailingToken(t *testing.T) {
|
||
|
|
input := `<FOO></FOO> `
|
||
|
|
d := NewDecoder(strings.NewReader(input))
|
||
|
|
var err error
|
||
|
|
for _, err = d.Token(); err == nil; _, err = d.Token() {
|
||
|
|
}
|
||
|
|
if err != io.EOF {
|
||
|
|
t.Fatalf("d.Token() = _, %v, want _, io.EOF", err)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestEntityInsideCDATA(t *testing.T) {
|
||
|
|
input := `<test><![CDATA[ &val=foo ]]></test>`
|
||
|
|
d := NewDecoder(strings.NewReader(input))
|
||
|
|
var err error
|
||
|
|
for _, err = d.Token(); err == nil; _, err = d.Token() {
|
||
|
|
}
|
||
|
|
if err != io.EOF {
|
||
|
|
t.Fatalf("d.Token() = _, %v, want _, io.EOF", err)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var characterTests = []struct {
|
||
|
|
in string
|
||
|
|
err string
|
||
|
|
}{
|
||
|
|
{"\x12<doc/>", "illegal character code U+0012"},
|
||
|
|
{"<?xml version=\"1.0\"?>\x0b<doc/>", "illegal character code U+000B"},
|
||
|
|
{"\xef\xbf\xbe<doc/>", "illegal character code U+FFFE"},
|
||
|
|
{"<?xml version=\"1.0\"?><doc>\r\n<hiya/>\x07<toots/></doc>", "illegal character code U+0007"},
|
||
|
|
{"<?xml version=\"1.0\"?><doc \x12='value'>what's up</doc>", "expected attribute name in element"},
|
||
|
|
{"<doc>&abc\x01;</doc>", "invalid character entity &abc (no semicolon)"},
|
||
|
|
{"<doc>&\x01;</doc>", "invalid character entity & (no semicolon)"},
|
||
|
|
{"<doc>&\xef\xbf\xbe;</doc>", "invalid character entity &\uFFFE;"},
|
||
|
|
{"<doc>&hello;</doc>", "invalid character entity &hello;"},
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestDisallowedCharacters(t *testing.T) {
|
||
|
|
|
||
|
|
for i, tt := range characterTests {
|
||
|
|
d := NewDecoder(strings.NewReader(tt.in))
|
||
|
|
var err error
|
||
|
|
|
||
|
|
for err == nil {
|
||
|
|
_, err = d.Token()
|
||
|
|
}
|
||
|
|
synerr, ok := err.(*SyntaxError)
|
||
|
|
if !ok {
|
||
|
|
t.Fatalf("input %d d.Token() = _, %v, want _, *SyntaxError", i, err)
|
||
|
|
}
|
||
|
|
if synerr.Msg != tt.err {
|
||
|
|
t.Fatalf("input %d synerr.Msg wrong: want %q, got %q", i, tt.err, synerr.Msg)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
type procInstEncodingTest struct {
|
||
|
|
expect, got string
|
||
|
|
}
|
||
|
|
|
||
|
|
var procInstTests = []struct {
|
||
|
|
input string
|
||
|
|
expect [2]string
|
||
|
|
}{
|
||
|
|
{`version="1.0" encoding="utf-8"`, [2]string{"1.0", "utf-8"}},
|
||
|
|
{`version="1.0" encoding='utf-8'`, [2]string{"1.0", "utf-8"}},
|
||
|
|
{`version="1.0" encoding='utf-8' `, [2]string{"1.0", "utf-8"}},
|
||
|
|
{`version="1.0" encoding=utf-8`, [2]string{"1.0", ""}},
|
||
|
|
{`encoding="FOO" `, [2]string{"", "FOO"}},
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestProcInstEncoding(t *testing.T) {
|
||
|
|
for _, test := range procInstTests {
|
||
|
|
if got := procInst("version", test.input); got != test.expect[0] {
|
||
|
|
t.Errorf("procInst(version, %q) = %q; want %q", test.input, got, test.expect[0])
|
||
|
|
}
|
||
|
|
if got := procInst("encoding", test.input); got != test.expect[1] {
|
||
|
|
t.Errorf("procInst(encoding, %q) = %q; want %q", test.input, got, test.expect[1])
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Ensure that directives with comments include the complete
|
||
|
|
// text of any nested directives.
|
||
|
|
|
||
|
|
var directivesWithCommentsInput = `
|
||
|
|
<!DOCTYPE [<!-- a comment --><!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#">]>
|
||
|
|
<!DOCTYPE [<!ENTITY go "Golang"><!-- a comment-->]>
|
||
|
|
<!DOCTYPE <!-> <!> <!----> <!-->--> <!--->--> [<!ENTITY go "Golang"><!-- a comment-->]>
|
||
|
|
`
|
||
|
|
|
||
|
|
var directivesWithCommentsTokens = []Token{
|
||
|
|
CharData("\n"),
|
||
|
|
Directive(`DOCTYPE [<!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#">]`),
|
||
|
|
CharData("\n"),
|
||
|
|
Directive(`DOCTYPE [<!ENTITY go "Golang">]`),
|
||
|
|
CharData("\n"),
|
||
|
|
Directive(`DOCTYPE <!-> <!> [<!ENTITY go "Golang">]`),
|
||
|
|
CharData("\n"),
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestDirectivesWithComments(t *testing.T) {
|
||
|
|
d := NewDecoder(strings.NewReader(directivesWithCommentsInput))
|
||
|
|
|
||
|
|
for i, want := range directivesWithCommentsTokens {
|
||
|
|
have, err := d.Token()
|
||
|
|
if err != nil {
|
||
|
|
t.Fatalf("token %d: unexpected error: %s", i, err)
|
||
|
|
}
|
||
|
|
if !reflect.DeepEqual(have, want) {
|
||
|
|
t.Errorf("token %d = %#v want %#v", i, have, want)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Writer whose Write method always returns an error.
|
||
|
|
type errWriter struct{}
|
||
|
|
|
||
|
|
func (errWriter) Write(p []byte) (n int, err error) { return 0, fmt.Errorf("unwritable") }
|
||
|
|
|
||
|
|
func TestEscapeTextIOErrors(t *testing.T) {
|
||
|
|
expectErr := "unwritable"
|
||
|
|
err := EscapeText(errWriter{}, []byte{'A'})
|
||
|
|
|
||
|
|
if err == nil || err.Error() != expectErr {
|
||
|
|
t.Errorf("have %v, want %v", err, expectErr)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestEscapeTextInvalidChar(t *testing.T) {
|
||
|
|
input := []byte("A \x00 terminated string.")
|
||
|
|
expected := "A \uFFFD terminated string."
|
||
|
|
|
||
|
|
buff := new(bytes.Buffer)
|
||
|
|
if err := EscapeText(buff, input); err != nil {
|
||
|
|
t.Fatalf("have %v, want nil", err)
|
||
|
|
}
|
||
|
|
text := buff.String()
|
||
|
|
|
||
|
|
if text != expected {
|
||
|
|
t.Errorf("have %v, want %v", text, expected)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestIssue5880(t *testing.T) {
|
||
|
|
type T []byte
|
||
|
|
data, err := Marshal(T{192, 168, 0, 1})
|
||
|
|
if err != nil {
|
||
|
|
t.Errorf("Marshal error: %v", err)
|
||
|
|
}
|
||
|
|
if !utf8.Valid(data) {
|
||
|
|
t.Errorf("Marshal generated invalid UTF-8: %x", data)
|
||
|
|
}
|
||
|
|
}
|