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net.html: polish module, update docs (#7193)

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This commit is contained in:
Ned Palacios
2020-12-10 03:08:15 +08:00
committed by GitHub
parent 5fa1e403ec
commit b952bf2e6b
9 changed files with 302 additions and 446 deletions
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67
vlib/net/html/dom_test.v
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@ -1,63 +1,56 @@
module html
fn generate_temp_html() string {
mut temp_html := '<!doctype html><html><head><title>Giant String</title></head><body>'
for counter := 0; counter < 4; counter++ {
temp_html += "<div id='name_$counter' "
temp_html += "class='several-$counter'>Look at $counter</div>"
}
temp_html += '</body></html>'
return temp_html
}
import strings
fn generate_dom(temp_html string) DocumentObjectModel {
mut parser := Parser{}
parser.parse_html(temp_html, false)
dom := parser.get_dom()
return dom
fn generate_temp_html() string {
mut temp_html := strings.new_builder(200)
temp_html.write('<!doctype html><html><head><title>Giant String</title></head><body>')
for counter := 0; counter < 4; counter++ {
temp_html.write("<div id='name_$counter' ")
temp_html.write("class='several-$counter'>Look at $counter</div>")
}
temp_html.write('</body></html>')
return temp_html.str()
}
fn test_search_by_tag_type() {
dom := generate_dom(generate_temp_html())
assert dom.get_by_tag('div').len == 4
assert dom.get_by_tag('head').len == 1
assert dom.get_by_tag('body').len == 1
dom := parse(generate_temp_html())
assert dom.get_tag('div').len == 4
assert dom.get_tag('head').len == 1
assert dom.get_tag('body').len == 1
}
fn test_search_by_attribute_value() {
mut dom := generate_dom(generate_temp_html())
mut dom := parse(generate_temp_html())
// println(temp_html)
print('Amount ')
println(dom.get_by_attribute_value('id', 'name_0'))
assert dom.get_by_attribute_value('id', 'name_0').len == 1
println(dom.get_tag_by_attribute_value('id', 'name_0'))
assert dom.get_tag_by_attribute_value('id', 'name_0').len == 1
}
fn test_access_parent() {
mut dom := generate_dom(generate_temp_html())
div_tags := dom.get_by_tag('div')
assert div_tags[0].get_parent() != C.NULL
/*
parent := div_tags[0].get_parent()
assert parent != C.NULL
mut dom := parse(generate_temp_html())
div_tags := dom.get_tag('div')
parent := div_tags[0].parent
assert parent != 0
for div_tag in div_tags {
assert div_tag.get_parent() == parent
assert div_tag.parent == parent
}
*/
}
fn test_search_by_attributes() {
dom := generate_dom(generate_temp_html())
assert dom.get_by_attribute('id').len == 4
dom := parse(generate_temp_html())
assert dom.get_tag_by_attribute('id').len == 4
}
fn test_tags_used() {
dom := generate_dom(generate_temp_html())
assert dom.get_all_tags().len == 9
dom := parse(generate_temp_html())
assert dom.get_tags().len == 9
}
fn test_access_tag_fields() {
dom := generate_dom(generate_temp_html())
id_tags := dom.get_by_attribute('id')
assert id_tags[0].get_name() == "div"
assert id_tags[1].get_attributes()['class'] == "several-1"
dom := parse(generate_temp_html())
id_tags := dom.get_tag_by_attribute('id')
assert id_tags[0].name == 'div'
assert id_tags[1].attributes['class'] == 'several-1'
}