/
xmlelement_test.go
123 lines (110 loc) · 4.2 KB
/
xmlelement_test.go
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// Copyright 2018 Adam Tauber
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package colly_test
import (
"github.com/antchfx/htmlquery"
"github.com/gocolly/colly/v2"
"reflect"
"strings"
"testing"
)
// Borrowed from http://infohost.nmt.edu/tcc/help/pubs/xhtml/example.html
// Added attributes to the `<li>` tags for testing purposes
const htmlPage = `
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>Your page title here</title>
</head>
<body>
<h1>Your major heading here</h1>
<p>
This is a regular text paragraph.
</p>
<ul>
<li class="list-item-1">
First bullet of a bullet list.
</li>
<li class="list-item-2">
This is the <em>second</em> bullet.
</li>
</ul>
</body>
</html>
`
func TestAttr(t *testing.T) {
resp := &colly.Response{StatusCode: 200, Body: []byte(htmlPage)}
doc, _ := htmlquery.Parse(strings.NewReader(htmlPage))
xmlNode := htmlquery.FindOne(doc, "/html")
xmlElem := colly.NewXMLElementFromHTMLNode(resp, xmlNode)
if xmlElem.Attr("xmlns") != "http://www.w3.org/1999/xhtml" {
t.Fatalf("failed xmlns attribute test: %v != http://www.w3.org/1999/xhtml", xmlElem.Attr("xmlns"))
}
if xmlElem.Attr("xml:lang") != "en" {
t.Fatalf("failed lang attribute test: %v != en", xmlElem.Attr("lang"))
}
}
func TestChildText(t *testing.T) {
resp := &colly.Response{StatusCode: 200, Body: []byte(htmlPage)}
doc, _ := htmlquery.Parse(strings.NewReader(htmlPage))
xmlNode := htmlquery.FindOne(doc, "/html")
xmlElem := colly.NewXMLElementFromHTMLNode(resp, xmlNode)
if text := xmlElem.ChildText("//p"); text != "This is a regular text paragraph." {
t.Fatalf("failed child tag test: %v != This is a regular text paragraph.", text)
}
if text := xmlElem.ChildText("//dl"); text != "" {
t.Fatalf("failed child tag test: %v != \"\"", text)
}
}
func TestChildTexts(t *testing.T) {
resp := &colly.Response{StatusCode: 200, Body: []byte(htmlPage)}
doc, _ := htmlquery.Parse(strings.NewReader(htmlPage))
xmlNode := htmlquery.FindOne(doc, "/html")
xmlElem := colly.NewXMLElementFromHTMLNode(resp, xmlNode)
expected := []string{"First bullet of a bullet list.", "This is the second bullet."}
if texts := xmlElem.ChildTexts("//li"); reflect.DeepEqual(texts, expected) == false {
t.Fatalf("failed child tags test: %v != %v", texts, expected)
}
if texts := xmlElem.ChildTexts("//dl"); reflect.DeepEqual(texts, make([]string, 0)) == false {
t.Fatalf("failed child tag test: %v != \"\"", texts)
}
}
func TestChildAttr(t *testing.T) {
resp := &colly.Response{StatusCode: 200, Body: []byte(htmlPage)}
doc, _ := htmlquery.Parse(strings.NewReader(htmlPage))
xmlNode := htmlquery.FindOne(doc, "/html")
xmlElem := colly.NewXMLElementFromHTMLNode(resp, xmlNode)
if attr := xmlElem.ChildAttr("/body/ul/li[1]", "class"); attr != "list-item-1" {
t.Fatalf("failed child attribute test: %v != list-item-1", attr)
}
if attr := xmlElem.ChildAttr("/body/ul/li[2]", "class"); attr != "list-item-2" {
t.Fatalf("failed child attribute test: %v != list-item-2", attr)
}
}
func TestChildAttrs(t *testing.T) {
resp := &colly.Response{StatusCode: 200, Body: []byte(htmlPage)}
doc, _ := htmlquery.Parse(strings.NewReader(htmlPage))
xmlNode := htmlquery.FindOne(doc, "/html")
xmlElem := colly.NewXMLElementFromHTMLNode(resp, xmlNode)
attrs := xmlElem.ChildAttrs("/body/ul/li", "class")
if len(attrs) != 2 {
t.Fatalf("failed child attributes length test: %d != 2", len(attrs))
}
for _, attr := range attrs {
if !(attr == "list-item-1" || attr == "list-item-2") {
t.Fatalf("failed child attributes values test: %s != list-item-(1 or 2)", attr)
}
}
}