import { it, expect, describe } from "bun:test";
it("Blob inspect", () => {
expect(Bun.inspect(new Blob(["123"]))).toBe(`Blob (3 bytes)`);
expect(Bun.inspect(new Blob(["123".repeat(900)]))).toBe(`Blob (2.70 KB)`);
expect(Bun.inspect(Bun.file("/tmp/file.txt")))
.toBe(`FileRef ("/tmp/file.txt") {
type: "text/plain;charset=utf-8"
}`);
expect(Bun.inspect(Bun.file(123))).toBe(`FileRef (fd: 123) {
type: "application/octet-stream"
}`);
expect(Bun.inspect(new Response(new Blob()))).toBe(`Response (0 KB) {
ok: true,
url: "",
statusText: "",
redirected: false,
bodyUsed: false,
status: 200,
[Blob detached]
}`);
expect(Bun.inspect(new Response("Hello"))).toBe(`Response (5 bytes) {
ok: true,
url: "",
statusText: "",
redirected: false,
bodyUsed: false,
status: 200,
Blob (5 bytes)
}`);
});
it.skip("utf16 property name", () => {
var { Database } = require("bun:sqlite");
const db = Database.open(":memory:");
expect("笑".codePointAt(0)).toBe(31505);
// latin1 escaping identifier issue
expect(Object.keys({ 笑: "hey" })[0].codePointAt(0)).toBe(31505);
const output = JSON.stringify(
[
{
笑: "😀",
},
],
null,
2,
);
expect(Bun.inspect(db.prepare("select '😀' as 笑").all())).toBe(output);
});
it("latin1", () => {
expect(Bun.inspect("English")).toBe("English");
expect(Bun.inspect("Français")).toBe("Français");
expect(Bun.inspect("Ελληνική")).toBe("Ελληνική");
expect(Bun.inspect("日本語")).toBe("日本語");
expect(Bun.inspect("Emoji😎")).toBe("Emoji😎");
expect(Bun.inspect("Français / Ελληνική")).toBe("Français / Ελληνική");
});
it("Request object", () => {
expect(Bun.inspect(new Request({ url: "https://example.com" })).trim()).toBe(
`
Request (0 KB) {
method: "GET",
url: "https://example.com"
}`.trim(),
);
});
it("MessageEvent", () => {
expect(Bun.inspect(new MessageEvent("message", { data: 123 }))).toBe(
`MessageEvent {
type: "message",
data: 123
}`,
);
});
// https://github.com/oven-sh/bun/issues/561
it("TypedArray prints", () => {
for (let TypedArray of [
Uint8Array,
Uint16Array,
Uint32Array,
Uint8ClampedArray,
Int8Array,
Int16Array,
Int32Array,
Float32Array,
Float64Array,
]) {
const buffer = new TypedArray([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
const input = Bun.inspect(buffer);
expect(input).toBe(
`${TypedArray.name}(${buffer.length}) [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ]`,
);
for (let i = 1; i < buffer.length + 1; i++) {
expect(Bun.inspect(buffer.subarray(i))).toBe(
`${TypedArray.name}(${buffer.length - i}) [ ` +
[...buffer.subarray(i)].join(", ") +
" ]",
);
}
}
});
it("BigIntArray", () => {
for (let TypedArray of [BigInt64Array, BigUint64Array]) {
const buffer = new TypedArray([1n, 2n, 3n, 4n, 5n, 6n, 7n, 8n, 9n, 10n]);
const input = Bun.inspect(buffer);
expect(input).toBe(
`${TypedArray.name}(${buffer.length}) [ 1n, 2n, 3n, 4n, 5n, 6n, 7n, 8n, 9n, 10n ]`,
);
for (let i = 1; i < buffer.length + 1; i++) {
expect(Bun.inspect(buffer.subarray(i))).toBe(
`${TypedArray.name}(${buffer.length - i}) [ ` +
[...buffer.subarray(i)].map((a) => a.toString(10) + "n").join(", ") +
" ]",
);
}
}
});
it("FloatArray", () => {
for (let TypedArray of [Float32Array, Float64Array]) {
const buffer = new TypedArray([Math.fround(42.68)]);
const input = Bun.inspect(buffer);
expect(input).toBe(
`${TypedArray.name}(${buffer.length}) [ ${[Math.fround(42.68)].join(
", ",
)} ]`,
);
for (let i = 1; i < buffer.length + 1; i++) {
expect(Bun.inspect(buffer.subarray(i))).toBe(
`${TypedArray.name}(${buffer.length - i}) [ ` +
[...buffer.subarray(i)].join(", ") +
" ]",
);
}
}
});
it("jsx with two elements", () => {
const input = Bun.inspect(
string inside child
,
);
const output = `
string inside child
`;
expect(input).toBe(output);
});
const Foo = () => foo
;
it("jsx with anon component", () => {
const input = Bun.inspect();
const output = ``;
expect(input).toBe(output);
});
it("jsx with fragment", () => {
const input = Bun.inspect(<>foo bar>);
const output = `<>foo bar>`;
expect(input).toBe(output);
});
it("inspect", () => {
expect(Bun.inspect(new TypeError("what")).includes("TypeError: what")).toBe(
true,
);
expect("hi").toBe("hi");
expect(Bun.inspect(1)).toBe("1");
expect(Bun.inspect(NaN)).toBe("NaN");
expect(Bun.inspect(Infinity)).toBe("Infinity");
expect(Bun.inspect(-Infinity)).toBe("-Infinity");
expect(Bun.inspect(1, "hi")).toBe("1 hi");
expect(Bun.inspect([])).toBe("[]");
expect(Bun.inspect({})).toBe("{}");
expect(Bun.inspect({ hello: 1 })).toBe("{\n hello: 1\n}");
expect(Bun.inspect({ hello: 1, there: 2 })).toBe(
"{\n hello: 1,\n there: 2\n}",
);
expect(Bun.inspect({ hello: "1", there: 2 })).toBe(
'{\n hello: "1",\n there: 2\n}',
);
expect(Bun.inspect({ 'hello-"there': "1", there: 2 })).toBe(
'{\n "hello-\\"there": "1",\n there: 2\n}',
);
var str = "123";
while (str.length < 4096) {
str += "123";
}
expect(Bun.inspect(str)).toBe(str);
// expect(Bun.inspect(new Headers())).toBe("Headers (0 KB) {}");
expect(Bun.inspect(new Response()).length > 0).toBe(true);
// expect(
// JSON.stringify(
// new Headers({
// hi: "ok",
// })
// )
// ).toBe('{"hi":"ok"}');
expect(Bun.inspect(new Set())).toBe("Set {}");
expect(Bun.inspect(new Map())).toBe("Map {}");
expect(Bun.inspect(new Map([["foo", "bar"]]))).toBe(
'Map(1) {\n "foo": "bar",\n}',
);
expect(Bun.inspect(new Set(["bar"]))).toBe('Set(1) {\n "bar",\n}');
expect(Bun.inspect(foo
)).toBe("foo
");
expect(Bun.inspect(foo
)).toBe("foo
");
expect(Bun.inspect(foo
)).toBe("foo
");
expect(Bun.inspect(hi
)).toBe(
"hi
",
);
expect(Bun.inspect(quoted
)).toBe(
'quoted
',
);
expect(
Bun.inspect(
,
),
).toBe(
`
`.trim(),
);
expect(Bun.inspect(BigInt(32))).toBe("32n");
});
describe("latin1 supplemental", () => {
const fixture = [
[["äbc"], '[ "äbc" ]'],
[["cbä"], '[ "cbä" ]'],
[["cäb"], '[ "cäb" ]'],
[["äbc äbc"], '[ "äbc äbc" ]'],
[["cbä cbä"], '[ "cbä cbä" ]'],
[["cäb cäb"], '[ "cäb cäb" ]'],
];
for (let [input, output] of fixture) {
it(`latin1 (input) \"${input}\" ${output}`, () => {
expect(Bun.inspect(input)).toBe(output);
});
it(`latin1 (output) \"${output}\"`, () => {
expect(Bun.inspect(output)).toBe(output);
});
// this test is failing:
// it(`latin1 (property key)`, () => {
// expect(
// Object.keys({
// ä: 1,
// })[0].codePointAt(0),
// ).toBe(228);
// });
}
});
const fixture = [
() => globalThis,
() => Bun.file("/tmp/log.txt").stream(),
() => Bun.file("/tmp/log.1.txt").stream().getReader(),
() => Bun.file("/tmp/log.2.txt").writer(),
() =>
new WritableStream({
write(chunk) {},
}),
() => require("events"),
() => {
return new import.meta.require("events").EventEmitter();
},
async () => await import("node:assert"),
async () => await import("./empty.js"),
() => import.meta.require("./empty.js"),
() => new Proxy({ yolo: 1 }, {}),
() =>
new Proxy(
{ yolo: 1 },
{
get(target, prop) {
return prop + "!";
},
has(target, prop) {
return true;
},
ownKeys() {
return ["foo"];
},
},
),
];
describe("crash testing", () => {
for (let input of fixture) {
it(`inspecting "${input
.toString()
.slice(0, 20)
.replaceAll("\n", "\\n")}" doesn't crash`, async () => {
try {
Bun.inspect(await input());
} catch (e) {
// this can throw its fine
}
});
}
});
it("possibly formatted emojis log", () => {
expect(Bun.inspect("✔", "hey")).toBe("✔ hey");
});