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import { parse } from "./form_data.ts";import { assertEquals } from "./test_deps.ts";
const FIXTURE_CONTENT_TYPE =  `multipart/form-data; boundary=OAK-SERVER-BOUNDARY`;const FIXTURE_BODY =  '--OAK-SERVER-BOUNDARY\r\nContent-Disposition: form-data; name="id"\r\n\r\n555\r\n--OAK-SERVER-BOUNDARY\r\nContent-Disposition: form-data; name="title"\r\n\r\nHello\nWorld\n\r\n--OAK-SERVER-BOUNDARY\r\nContent-Disposition: form-data; name="fileb"; filename="mod2.ts"\r\nContent-Type: video/mp2t\r\n\r\nconsole.log("Hello world");\n\r\n--OAK-SERVER-BOUNDARY--\r\n';
const FIXTURE_BODY_NO_FIELDS = `--OAK-SERVER-BOUNDARY--\r\n`;
const FIXTURE_BODY_UTF8_FILENAME =  `--OAK-SERVER-BOUNDARY\r\nContent-Disposition: form-data; name="id"\r\n\r\n555\r\n--OAK-SERVER-BOUNDARY\r\nContent-Disposition: form-data; name="filea"; filename="编写软件很难.ts"\r\nContent-Type: video/mp2t\r\n\r\nexport { printHello } from "./print_hello.ts";\n\r\n--OAK-SERVER-BOUNDARY--\r\n`;
const FIXTURE_BODY_NO_NEWLINE =  `--OAK-SERVER-BOUNDARY\r\nContent-Disposition: form-data; name="noNewline"; filename="noNewline.txt"\r\nContent-Type: text/plain\r\n\r\n555\r\n--OAK-SERVER-BOUNDARY--\r\n`;
function assertIsFile(value: unknown): asserts value is File {  if (    !(value && typeof value === "object" && "size" in value &&      "type" in value && "name" in value)  ) {    throw new Error("Value is not a File");  }}
Deno.test({  name: "form_data - parse() - basic",  async fn() {    const req = new Request("http://localhost:8080", {      body: FIXTURE_BODY,      method: "POST",      headers: { "content-type": FIXTURE_CONTENT_TYPE },    });    const formData = await parse(req.headers.get("content-type")!, req.body!);    assertEquals([...formData].length, 3, "length should be 3");    assertEquals(formData.get("id"), "555", "id should be '555'");    assertEquals(      formData.get("title"),      "Hello\nWorld\n",      "title should be 'Hello World'",    );    const fileb = formData.get("fileb");    assertIsFile(fileb);    assertEquals(fileb.type, "video/mp2t", "should be of type 'video/mp2t'");    assertEquals(fileb.name, "mod2.ts", "filename should be 'mod2.ts'");    assertEquals(      await fileb.text(),      `console.log("Hello world");\n`,      "file contents should match",    );  },});
Deno.test({  name: "form_data - parse() - no fields",  async fn() {    const req = new Request("http://localhost:8080", {      body: FIXTURE_BODY_NO_FIELDS,      method: "POST",      headers: { "content-type": FIXTURE_CONTENT_TYPE },    });    const formData = await parse(req.headers.get("content-type")!, req.body!);    assertEquals([...formData].length, 0);  },});
Deno.test({  name: "form_data - parse() - mbc file name",  async fn() {    const req = new Request("http://localhost:8080", {      body: FIXTURE_BODY_UTF8_FILENAME,      method: "POST",      headers: { "content-type": FIXTURE_CONTENT_TYPE },    });    const formData = await parse(req.headers.get("content-type")!, req.body!);    assertEquals([...formData].length, 2);    const filea = formData.get("filea");    assertIsFile(filea);    assertEquals(filea.type, "video/mp2t");    assertEquals(filea.name, "编写软件很难.ts");  },});
Deno.test({  name: "for_data - parse() - no new line",  async fn() {    const req = new Request("http://localhost:8080", {      body: FIXTURE_BODY_NO_NEWLINE,      method: "POST",      headers: { "content-type": FIXTURE_CONTENT_TYPE },    });    const formData = await parse(req.headers.get("content-type")!, req.body!);    assertEquals([...formData].length, 1);    const noNewline = formData.get("noNewline");    assertIsFile(noNewline);    assertEquals(await noNewline.text(), "555");  },});