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extract_test.go
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package main
import (
"reflect"
"testing"
)
func TestExtract(t *testing.T) {
documents := [][]byte{
[]byte(`
<!DOCTYPE html>
<html>
<head>
<title>CS272 | Welcome</title>
</head>
<body>
<p>Hello World!</p>
<p>Welcome to <a href="https://cs272-f24.github.io/">CS272</a>!</p>
<li>
<a href="https://www.google.com/">Google.com</a>
</li>
<div>
This is a divider
<a href="/syllabus/">Syllabus</a>
<a href="/">Home</a>
<a href="/help/">Help</a>
<a href="/about/">About</a>
<a href="https://gobyexample.com">Gobyexample.com</a>
</div>
</body>
</html>
`),
[]byte(`
<!DOCTYPE html>
<html>
<head>
<title>Google Home Page</title>
</head>
<body>
<a href="https://www.yahoo.com/" id="321" testId="home-link">Yahoo, Link for the world;!</a>
<a href="https://www.amazon.com/">!!Amazon!! sink, frank; ; wow</a>
<a href="mailto:[email protected]">Email-Me!</a>
</body>
</html>
`),
[]byte(`
<!DOCTYPE html>
<head>
<title>Malformed home page</title>
</head>
</body>
This page is malformed
<p><a href="https://calum-crawford.com/"></p></a></body>
</html>
`),
[]byte(`
<!DOCTYPE html>
<head>
<title>Testing anchor tag with no url</title>
<body>
<a testId="invalid-tag" id="123">https://www.google.com</a>
<a testId="valid-tag" id="321" href="https://wordle.com/">Wordle</a>
</body>
</head>
</html>
`),
[]byte(`
<!DOCTYPE html>
<body>
<div>Hello</div>
World
</body>
</html>
`),
[]byte(`
<html>
<head>
<title>Style</title>
<style>
a.blue { color: blue; }
a.red { color: red; }
</style>
<body>
<p>Here is a blue link to <a class=\"blue\" href=\"/tests/project01/href.html\">href.html</a></p>
<p>And a red link to <a class=\"red\" href=\"/tests/project01/simple.html\">simple.html</a>
</p>
</body>
</html>
`),
[]byte(`
<html>
<head>
<title>Script</title>
<script>
for (let i = 0; i < 10; i += 1) {
console.log("Loop iteration: ", i);
}
</script>
<body>
<p>Some text</p>
</p>
</body>
</html>
`),
nil,
[]byte(`<!DOCTYPE html>
<html>
<style></style>
<style>body {
margin-right: 15%;
}
</style>
</html>`),
}
expectedWords := [][]string{
{
"CS272",
"|",
"Welcome",
"Hello",
"World",
"Welcome",
"to",
"CS272",
"Google",
"com",
"This",
"is",
"a",
"divider",
"Syllabus",
"Home",
"Help",
"About",
"Gobyexample",
"com",
},
{
"Google",
"Home",
"Page",
"Yahoo",
"Link",
"for",
"the",
"world",
"Amazon",
"sink",
"frank",
"wow",
"Email",
"Me",
},
{
"Malformed",
"home",
"page",
"This",
"page",
"is",
"malformed",
},
{
"Testing",
"anchor",
"tag",
"with",
"no",
"url",
"https",
"www",
"google",
"com",
"Wordle",
},
{
"Hello",
"World",
},
{
"Style",
"Here",
"is",
"a",
"blue",
"link",
"to",
"href",
"html",
"And",
"a",
"red",
"link",
"to",
"simple",
"html",
},
{
"Script",
"Some",
"text",
},
nil,
nil,
}
expectedHrefs := [][]string{
{
"https://cs272-f24.github.io/",
"https://www.google.com/",
"/syllabus/",
"/",
"/help/",
"/about/",
"https://gobyexample.com",
},
{
"https://www.yahoo.com/",
"https://www.amazon.com/",
"mailto:[email protected]",
},
{
"https://calum-crawford.com/",
},
{
"https://wordle.com/",
},
nil,
{
"\\\"/tests/project01/href.html\\\"",
"\\\"/tests/project01/simple.html\\\"",
},
nil,
nil,
nil,
}
names := []string{
"simple",
"punctuation",
"malformed",
"no href",
"no body",
"style",
"script",
"nil",
"sibling style nodes",
}
var tests []struct {
text []byte
name string
expectedWords, expectedHrefs []string
}
for idx := range documents {
tests = append(tests, struct {
text []byte
name string
expectedWords, expectedHrefs []string
}{
documents[idx],
names[idx],
expectedWords[idx],
expectedHrefs[idx],
})
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
words, hrefs, _, _ := extract(test.text)
if !reflect.DeepEqual(words, test.expectedWords) {
t.Errorf("extract words failed got %q, want %q", words, test.expectedWords)
}
if !reflect.DeepEqual(hrefs, test.expectedHrefs) {
t.Errorf("extract hrefs failed, got %q, want %q", hrefs, test.expectedHrefs)
}
})
}
}