ikan Uploader :
Directory : /home/ubuntu/node-v16.18.1/test/fixtures/wpt/FileAPI/support/
Upload File : |
| Current File : //home/ubuntu/node-v16.18.1/test/fixtures/wpt/FileAPI/support/send-file-formdata-helper.js |
"use strict";
const kTestChars = "ABC~‾¥≈¤･・•∙·☼★星🌟星★☼·∙•・･¤≈¥‾~XYZ";
// formDataPostFileUploadTest - verifies multipart upload structure and
// numeric character reference replacement for filenames, field names,
// and field values using FormData and fetch().
//
// Uses /fetch/api/resources/echo-content.py to echo the upload
// POST (unlike in send-file-form-helper.js, here we expect all
// multipart/form-data request bodies to be UTF-8, so we don't need to
// escape controls and non-ASCII bytes).
//
// Fields in the parameter object:
//
// - fileNameSource: purely explanatory and gives a clue about which
// character encoding is the source for the non-7-bit-ASCII parts of
// the fileBaseName, or Unicode if no smaller-than-Unicode source
// contains all the characters. Used in the test name.
// - fileBaseName: the not-necessarily-just-7-bit-ASCII file basename
// used for the constructed test file. Used in the test name.
const formDataPostFileUploadTest = ({
fileNameSource,
fileBaseName,
}) => {
promise_test(async (testCase) => {
const formData = new FormData();
let file = new Blob([kTestChars], { type: "text/plain" });
try {
// Switch to File in browsers that allow this
file = new File([file], fileBaseName, { type: file.type });
} catch (ignoredException) {
}
// Used to verify that the browser agrees with the test about
// field value replacement and encoding independently of file system
// idiosyncracies.
formData.append("filename", fileBaseName);
// Same, but with name and value reversed to ensure field names
// get the same treatment.
formData.append(fileBaseName, "filename");
formData.append("file", file, fileBaseName);
const formDataText = await (await fetch(
`/fetch/api/resources/echo-content.py`,
{
method: "POST",
body: formData,
},
)).text();
const formDataLines = formDataText.split("\r\n");
if (formDataLines.length && !formDataLines[formDataLines.length - 1]) {
--formDataLines.length;
}
assert_greater_than(
formDataLines.length,
2,
`${fileBaseName}: multipart form data must have at least 3 lines: ${
JSON.stringify(formDataText)
}`,
);
const boundary = formDataLines[0];
assert_equals(
formDataLines[formDataLines.length - 1],
boundary + "--",
`${fileBaseName}: multipart form data must end with ${boundary}--: ${
JSON.stringify(formDataText)
}`,
);
const asName = fileBaseName.replace(/[\r\n"]/g, encodeURIComponent);
const expectedText = [
boundary,
'Content-Disposition: form-data; name="filename"',
"",
fileBaseName,
boundary,
`Content-Disposition: form-data; name="${asName}"`,
"",
"filename",
boundary,
`Content-Disposition: form-data; name="file"; ` +
`filename="${asName}"`,
"Content-Type: text/plain",
"",
kTestChars,
boundary + "--",
].join("\r\n");
assert_true(
formDataText.startsWith(expectedText),
`Unexpected multipart-shaped form data received:\n${formDataText}\nExpected:\n${expectedText}`,
);
}, `Upload ${fileBaseName} (${fileNameSource}) in fetch with FormData`);
};
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