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test.ts
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test.ts
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import {
assertEquals,
assertThrows,
} from "https://deno.land/std@0.183.0/testing/asserts.ts";
import { sanitize, tag, tagNoVoid } from "./mod.ts";
Deno.test("render tag", () => {
assertEquals(
tag("div", { id: "foo", class: "bar" }, "Hello world!"),
`<div id="foo" class="bar">Hello world!</div>`,
);
assertEquals(
tag("my-tag", { class: "bar" }, "My own tag!"),
`<my-tag class="bar">My own tag!</my-tag>`,
);
});
Deno.test("render void tag", () => {
assertEquals(
tag("meta", { charset: "utf-8" }),
`<meta charset="utf-8">`,
);
assertEquals(
tag("input", {
type: "text",
name: "name",
placeholder: "input your name",
}),
`<input type="text" name="name" placeholder="input your name">`,
);
});
Deno.test("render tag without attributes", () => {
assertEquals(
tag("div", "No attributes!"),
`<div>No attributes!</div>`,
);
assertEquals(
tag("br"),
`<br>`,
);
});
Deno.test("render nested tag", () => {
assertEquals(
tag(
"a",
{ href: "https://deno.land" },
tag("img", { src: "https://deno.land/logo.svg" }),
),
`<a href="https://deno.land"><img src="https://deno.land/logo.svg"></a>`,
);
assertEquals(
tag(
"ul",
{ class: "nav" },
tag("li", "first element"),
tag("li", "second element"),
),
`<ul class="nav"><li>first element</li><li>second element</li></ul>`,
);
assertEquals(
tag(
"div",
{ class: "container" },
tag(
"article",
{ class: "post" },
tag("p", "awesome text"),
),
),
`<div class="container"><article class="post"><p>awesome text</p></article></div>`,
);
});
Deno.test("render svg tag", () => {
assertEquals(
tag(
"svg",
{ width: 100, height: 100 },
tag("rect", { x: 20, y: 20, fill: "#a33" }),
),
`<svg width="100" height="100"><rect x="20" y="20" fill="#a33"></rect></svg>`,
);
});
Deno.test("render boolean attributes", () => {
assertEquals(
tag("button", { type: "button", disabled: false }, "enabled"),
`<button type="button">enabled</button>`,
);
assertEquals(
tag("button", { type: "button", disabled: true }, "disabled"),
`<button type="button" disabled>disabled</button>`,
);
});
Deno.test("throw error when tag is empty", () => {
assertThrows(
() => {
tag("");
},
Error,
"tagName is empty.",
);
});
Deno.test("throw error when tag has whitespace characters", () => {
assertThrows(
() => {
tag("separate tag", { id: "foo" }, "Hello world!");
},
Error,
"tagName has whitespace characters.",
);
});
Deno.test("always add closing tag", () => {
assertEquals(
tagNoVoid("link", "http://example.com"),
`<link>http://example.com</link>`,
);
});
Deno.test("sanitize string", () => {
assertEquals(
sanitize(`<img src="https://www.example.com?width=10&height=10">`),
"<img src="https://www.example.com?width=10&height=10">",
);
// empty inputs
assertEquals(sanitize(), "");
});
Deno.test("ignore to sanitize", () => {
assertEquals(
sanitize(`<span>"ok" & ng</span>`, { lt: false, gt: false }),
`<span>"ok" & ng</span>`,
);
assertEquals(
sanitize(`<span>"ok" & ng</span>`, { amp: false, quot: false }),
`<span>"ok" & ng</span>`,
);
});