bun.sh/test/bundler/transpiler/macro-test.test.ts

import { escapeHTML } from "bun" assert { type: "macro" };
import { expect, test } from "bun:test";
import defaultMacro, {
  addStrings,
  addStringsUTF16,
  default as defaultMacroAlias,
  escape,
  identity,
  identity as identity1,
  identity as identity2,
  ireturnapromise,
} from "./macro.ts" assert { type: "macro" };

import * as macros from "./macro.ts" assert { type: "macro" };

test("bun builtins can be used in macros", async () => {
  expect(escapeHTML("abc!")).toBe("abc!");
});

test("latin1 string", () => {
  expect(identity("©")).toBe("©");
});

test("ascii string", () => {
  expect(identity("abc")).toBe("abc");
});

test("type coercion", () => {
  expect(identity({ a: 1 })).toEqual({ a: 1 });
  expect(identity([1, 2, 3])).toEqual([1, 2, 3]);
  expect(identity(undefined)).toBe(undefined);
  expect(identity(null)).toBe(null);
  expect(identity(1.5)).toBe(1.5);
  expect(identity(1)).toBe(1);
  expect(identity(true)).toBe(true);
});

test("escaping", () => {
  expect(identity("\\")).toBe("\\");
  expect(identity("\f")).toBe("\f");
  expect(identity("\n")).toBe("\n");
  expect(identity("\r")).toBe("\r");
  expect(identity("\t")).toBe("\t");
  expect(identity("\v")).toBe("\v");
  expect(identity("\0")).toBe("\0");
  expect(identity("'")).toBe("'");
  expect(identity('"')).toBe('"');
  expect(identity("`")).toBe("`");
  // prettier-ignore
  expect(identity("\'")).toBe("\'");
  // prettier-ignore
  expect(identity('\"')).toBe('\"');
  // prettier-ignore
  expect(identity("\`")).toBe("\`");
  expect(identity("$")).toBe("$");
  expect(identity("\x00")).toBe("\x00");
  expect(identity("\x0B")).toBe("\x0B");
  expect(identity("\x0C")).toBe("\x0C");

  expect(identity("\\")).toBe("\\");

  expect(escape()).toBe("\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C");

  expect(addStrings("abc")).toBe("abc\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("\n")).toBe("\n\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("\r")).toBe("\r\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("\t")).toBe("\t\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("©")).toBe("©\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("\x00")).toBe("\x00\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("\x0B")).toBe("\x0B\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("\x0C")).toBe("\x0C\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("\\")).toBe("\\\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("\f")).toBe("\f\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("\v")).toBe("\v\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("\0")).toBe("\0\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("'")).toBe("'\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings('"')).toBe('"\\\f\n\r\t\v\0\'"`$\x00\x0B\x0C©');
  expect(addStrings("`")).toBe("`\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");
  expect(addStrings("😊")).toBe("😊\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C©");

  expect(addStringsUTF16("abc")).toBe("abc\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("\n")).toBe("\n\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("\r")).toBe("\r\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("\t")).toBe("\t\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("©")).toBe("©\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("\x00")).toBe("\x00\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("\x0B")).toBe("\x0B\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("\x0C")).toBe("\x0C\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("\\")).toBe("\\\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("\f")).toBe("\f\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("\v")).toBe("\v\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("\0")).toBe("\0\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("'")).toBe("'\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16('"')).toBe('"\\\f\n\r\t\v\0\'"`$\x00\x0B\x0C😊');
  expect(addStringsUTF16("`")).toBe("`\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
  expect(addStringsUTF16("😊")).toBe("😊\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C😊");
});

test("utf16 string", () => {
  expect(identity("😊 Smiling Face with Smiling Eyes Emoji")).toBe("😊 Smiling Face with Smiling Eyes Emoji");
});

test("import aliases", () => {
  expect(identity1({ a: 1 })).toEqual({ a: 1 });
  expect(identity1([1, 2, 3])).toEqual([1, 2, 3]);
  expect(identity2({ a: 1 })).toEqual({ a: 1 });
  expect(identity2([1, 2, 3])).toEqual([1, 2, 3]);
});

test("default import", () => {
  expect(defaultMacro()).toBe("defaultdefaultdefault");
  expect(defaultMacroAlias()).toBe("defaultdefaultdefault");
});

test("namespace import", () => {
  expect(macros.identity({ a: 1 })).toEqual({ a: 1 });
  expect(macros.identity([1, 2, 3])).toEqual([1, 2, 3]);
  expect(macros.escape()).toBe("\\\f\n\r\t\v\0'\"`$\x00\x0B\x0C");
});

// test("template string ascii", () => {
//   expect(identity(`A${""}`)).toBe("A");
// });

// test("template string latin1", () => {
//   expect(identity(`©${""}`)).toBe("©");
// });

test("ireturnapromise", async () => {
  expect(await ireturnapromise()).toEqual("aaa");
});