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Main.cs
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using HyperTextExpression;
using static HyperTextExpression.HtmlExp;
namespace Test;
public class Main
{
[Fact]
public void base_html_doc()
{
var expected = """
<!DOCTYPE html>
<html></html>
""";
var html = HtmlDoc();
var htmlString = html.ToString();
Assert.Equal(expected, htmlString);
}
[Fact]
public void html_doc_with_head_and_body()
{
var expected = """
<!DOCTYPE html>
<html>
<head></head>
<body></body>
</html>
""";
var html = HtmlDoc(
Head(),
Body()
);
var htmlString = html.ToString();
Assert.Equal(expected, htmlString);
}
[Fact]
public void head_with_title()
{
var expected = """
<!DOCTYPE html>
<html>
<head>
<title>Hello World</title>
</head>
<body></body>
</html>
""";
var html = HtmlDoc(
Head(
("title", "Hello World")
),
Body()
);
var htmlString = html.ToString();
Assert.Equal(expected, htmlString);
}
[Fact]
public void specify_empty_element_to_render_nothing()
{
var expected = """
<!DOCTYPE html>
<html>
<head>
<title>Hello World</title>
</head>
<body>
</body>
</html>
""";
var html = HtmlDoc(
Head(
("title", "Hello World")
),
Body(
true ? HtmlConstants.Empty : Div("don't show me!")
)
);
var htmlString = html.ToString();
Assert.Equal(expected, htmlString);
}
[Fact]
public void body_with_list()
{
var expected = """
<!DOCTYPE html>
<html>
<head>
<title>Hello World</title>
</head>
<body>
<ul>
<li>One</li>
<li>Two</li>
<li>Three</li>
</ul>
</body>
</html>
""";
var html = HtmlDoc(
Head(
("title", "Hello World")
),
Body(
("ul", Children(
("li", "One"),
("li", "Two"),
("li", "Three")
)
)
)
);
var htmlString = html.ToString();
Assert.Equal(expected, htmlString);
}
[Fact]
public void easy_to_use_with_linq()
{
var expected = """
<!DOCTYPE html>
<html>
<body>
<div>
<p>1</p>
<p>2</p>
<p>3</p>
<p>4</p>
<p>5</p>
<p>6</p>
</div>
</body>
</html>
""";
var html = HtmlDoc(
("body", Children(
("div",
Enumerable.Range(1, 6)
.Select(i => ("p", $"{i}"))
)
)
)
);
var htmlString = html.ToString();
Assert.Equal(expected, htmlString);
}
[Fact]
public void linq_can_spit_out_elements()
{
var expected = """
<!DOCTYPE html>
<html>
<body>
<div>
<p>
<label>something:</label>
<strong>1</strong>
</p>
<p>
<label>something:</label>
<strong>2</strong>
</p>
<p>
<label>something:</label>
<strong>3</strong>
</p>
<p>
<label>something:</label>
<strong>4</strong>
</p>
<p>
<label>something:</label>
<strong>5</strong>
</p>
<p>
<label>something:</label>
<strong>6</strong>
</p>
</div>
</body>
</html>
""";
var html = HtmlDoc(
("body", Children(
("div",
Enumerable.Range(1, 6)
.Select(i => P(
("label", "something:"),
("strong", i.ToString())
))
)
)
)
);
var htmlString = html.ToString();
Assert.Equal(expected, htmlString);
}
[Fact]
public void attributes_should_be_just_as_easy()
{
/*
Razor Syntax For Comparison
<!DOCTYPE html>
<html>
<body>
<article class="body">
@for(var i = 1; i < 6; i++){
<p class="paragraph">Lorem Ipsum {i}</p>
}
</article>
</body>
</html>
*/
var expected = """
<!DOCTYPE html>
<html>
<body>
<article class="body">
<p class="paragraph">Lorem Ipsum 1</p>
<p class="paragraph">Lorem Ipsum 2</p>
<p class="paragraph">Lorem Ipsum 3</p>
<p class="paragraph">Lorem Ipsum 4</p>
<p class="paragraph">Lorem Ipsum 5</p>
<p class="paragraph">Lorem Ipsum 6</p>
</article>
</body>
</html>
""";
var html = HtmlDoc(
("body", Children(
("article",
Attrs("class", "body"),
Enumerable.Range(1, 6)
.Select(i =>
("p",
Attrs("class", "paragraph"),
$"Lorem Ipsum {i}")))))
);
var htmlString = html.ToString();
Assert.Equal(expected, htmlString);
}
[Fact]
public void mixing_attributes_without_keys()
{
var expected = """
<!DOCTYPE html>
<html>
<body>
<article class="body" show>
<p class="paragraph">Lorem Ipsum 1</p>
<p class="paragraph">Lorem Ipsum 2</p>
<p class="paragraph">Lorem Ipsum 3</p>
<p class="paragraph">Lorem Ipsum 4</p>
<p class="paragraph">Lorem Ipsum 5</p>
<p class="paragraph">Lorem Ipsum 6</p>
</article>
</body>
</html>
""";
var html = HtmlDoc(
("body", Children(
("article",
Attrs(
("class", "body"),
("show", "")
),
Enumerable.Range(1, 6)
.Select(i =>
("p",
Attrs("class", "paragraph"),
$"Lorem Ipsum {i}")))))
);
var htmlString = html.ToString();
Assert.Equal(expected, htmlString);
}
[Fact]
public void return_an_html_segment()
{
var expected = """
<div class="message-wrapper">
<label bold>Author</label>
<div class="body">Hello World</div>
</div>
""";
HtmlEl html = HtmlEl("div",
Attrs("class", "message-wrapper"),
Children(
("label", Attrs("bold"), "Author"),
("div",
Attrs("class", "body"),
"Hello World")));
var htmlString = html.ToString();
Assert.Equal(expected, htmlString);
}
[Fact]
public void works_with_string_literal()
{
var expected = """
<!DOCTYPE html>
<html>
<body>
<div class="chat">
<div class="message-wrapper">
<label bold>Author</label>
<div class="body">Hello World</div>
</div>
</div>
</body>
</html>
""";
var htmlString = $"""
<!DOCTYPE html>
<html>
<body>
<div class="chat">
{
Div(Attrs("class", "message-wrapper"),
Children(
("label", Attrs("bold"), "Author"),
Div(Attrs("class", "body"), "Hello World")))
}
</div>
</body>
</html>
""";
Assert.Equal(expected, htmlString);
}
}