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import { it, describe, expect } from "bun:test";
import fs from "fs";
describe("fetch", () => {
const urls = ["https://example.com", "http://example.com"];
for (let url of urls) {
it(url, async () => {
const response = await fetch(url);
const text = await response.text();
if (
fs.readFileSync(
import.meta.path.substring(0, import.meta.path.lastIndexOf("/")) +
"/fetch.js.txt",
"utf8"
) !== text
) {
throw new Error("Expected fetch.js.txt to match snapshot");
}
});
}
});
function testBlobInterface(blobbyConstructor, hasBlobFn) {
it("json", async () => {
var response = blobbyConstructor(JSON.stringify({ hello: true }));
expect(JSON.stringify(await response.json())).toBe(
JSON.stringify({ hello: true })
);
});
it("text", async () => {
var response = blobbyConstructor(JSON.stringify({ hello: true }));
expect(await response.text()).toBe(JSON.stringify({ hello: true }));
});
it("arrayBuffer", async () => {
var response = blobbyConstructor(JSON.stringify({ hello: true }));
const bytes = new TextEncoder().encode(JSON.stringify({ hello: true }));
const compare = new Uint8Array(await response.arrayBuffer());
for (let i = 0; i < compare.length; i++) {
expect(compare[i]).toBe(bytes[i]);
}
});
hasBlobFn &&
it("blob", async () => {
var response = blobbyConstructor(JSON.stringify({ hello: true }));
const size = JSON.stringify({ hello: true }).length;
const blobed = await response.blob();
expect(blobed instanceof Blob).toBe(true);
expect(blobed.size).toBe(size);
expect(blobed.type).toBe("");
blobed.type = "application/json";
expect(blobed.type).toBe("application/json");
});
}
describe("Blob", () => {
testBlobInterface((data) => new Blob([data]));
var blobConstructorValues = [
["123", "456"],
["123", 456],
["123", "456", "789"],
["123", 456, 789],
[1, 2, 3, 4, 5, 6, 7, 8, 9],
[Uint8Array.from([1, 2, 3, 4, 5, 6, 7, 9])],
[Uint8Array.from([1, 2, 3, 4]), "5678", 9],
[new Blob([Uint8Array.from([1, 2, 3, 4])]), "5678", 9],
];
var expected = [
"123456",
"123456",
"123456789",
"123456789",
"123456789",
"\x01\x02\x03\x04\x05\x06\x07\t",
"\x01\x02\x03\x0456789",
"\x01\x02\x03\x0456789",
];
it(`blobConstructorValues`, async () => {
for (let i = 0; i < blobConstructorValues.length; i++) {
var response = new Blob(blobConstructorValues[i]);
const res = await response.text();
if (res !== expected[i]) {
throw new Error(
`Failed: ${expected[i]
.split("")
.map((a) => a.charCodeAt(0))}, received: ${res
.split("")
.map((a) => a.charCodeAt(0))}`
);
}
expect(res).toBe(expected[i]);
}
});
});
describe("Response", () => {
it("clone", async () => {
var body = new Response("<div>hello</div>", {
headers: {
"content-type": "text/html; charset=utf-8",
},
});
var clone = body.clone();
body.headers.set("content-type", "text/plain");
expect(clone.headers.get("content-type")).toBe("text/html; charset=utf-8");
expect(body.headers.get("content-type")).toBe("text/plain");
expect(await clone.text()).toBe("<div>hello</div>");
});
testBlobInterface((data) => new Response(data), true);
});
describe("Request", () => {
it("clone", async () => {
var body = new Request("https://hello.com", {
headers: {
"content-type": "text/html; charset=utf-8",
},
body: "<div>hello</div>",
});
expect(body.headers.get("content-type")).toBe("text/html; charset=utf-8");
var clone = body.clone();
body.headers.set("content-type", "text/plain");
expect(clone.headers.get("content-type")).toBe("text/html; charset=utf-8");
expect(body.headers.get("content-type")).toBe("text/plain");
expect(await clone.text()).toBe("<div>hello</div>");
});
testBlobInterface(
(data) => new Request("https://hello.com", { body: data }),
true
);
});
describe("Headers", () => {
it("writes", async () => {
var body = new Request("https://hello.com", {
headers: {
"content-type": "text/html; charset=utf-8",
},
body: "<div>hello</div>",
});
expect(body.headers.get("content-type")).toBe("text/html; charset=utf-8");
var clone = body.clone();
body.headers.set("content-type", "text/plain");
expect(clone.headers.get("content-type")).toBe("text/html; charset=utf-8");
expect(body.headers.get("content-type")).toBe("text/plain");
expect(await clone.text()).toBe("<div>hello</div>");
});
});
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