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Merge pull request #17591 from Snuffleupagus/issue-17399

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Re-enable the `should compress and save text` unit-test (issue 17399)
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Tim van der Meij 2024-01-28 14:47:52 +01:00 committed by GitHub
commit 32a5bb83d4
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1 changed files with 19 additions and 15 deletions
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34
test/unit/annotation_spec.js
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@ -26,7 +26,6 @@ import {
AnnotationFieldFlag,
AnnotationFlag,
AnnotationType,
isNodeJS,
OPS,
RenderingIntentFlag,
stringToBytes,
@ -44,6 +43,7 @@ import {
} from "../../src/display/api.js";
import { Dict, Name, Ref, RefSetCache } from "../../src/core/primitives.js";
import { Lexer, Parser } from "../../src/core/parser.js";
import { FlateStream } from "../../src/core/flate_stream.js";
import { PartialEvaluator } from "../../src/core/evaluator.js";
import { StringStream } from "../../src/core/stream.js";
import { WorkerTask } from "../../src/core/worker.js";
@ -2208,11 +2208,6 @@ describe("annotation", function () {
});
it("should compress and save text", async function () {
if (isNodeJS || !navigator.userAgent.includes("Firefox")) {
pending(
"CompressionStream behaves differently in Chrome and Node.js, compared to Firefox (issue 17399)."
);
}
const textWidgetRef = Ref.get(123, 0);
const xref = new XRefMock([
{ ref: textWidgetRef, data: textWidgetDict },
@ -2249,19 +2244,28 @@ describe("annotation", function () {
`/V (${value}) /AP << /N 2 0 R>> /M (date)>>\nendobj\n`
);
const compressedData = [
120, 156, 211, 15, 169, 80, 112, 242, 117, 86, 40, 84, 112, 10, 81, 208,
247, 72, 205, 41, 83, 48, 85, 8, 73, 83, 48, 84, 48, 0, 66, 8, 25, 146,
171, 96, 164, 96, 172, 103, 96, 174, 16, 146, 162, 160, 145, 56, 194,
129, 166, 66, 72, 150, 130, 107, 136, 66, 160, 130, 171, 175, 51, 0,
222, 235, 111, 133,
];
const compressedStream = String.fromCharCode(...compressedData);
const compressedStream = newData.data.substring(
newData.data.indexOf("stream\n") + "stream\n".length,
newData.data.indexOf("\nendstream")
);
// Ensure that the data was in fact (significantly) compressed.
expect(compressedStream.length).toBeLessThan(value.length / 3);
expect(newData.data).toEqual(
"2 0 obj\n<< /Subtype /Form /Resources " +
"<< /Font << /Helv 314 0 R>>>> /BBox [0 0 32 10] /Filter /FlateDecode /Length 68>> stream\n" +
"<< /Font << /Helv 314 0 R>>>> /BBox [0 0 32 10] " +
`/Filter /FlateDecode /Length ${compressedStream.length}>> stream\n` +
`${compressedStream}\nendstream\nendobj\n`
);
// Given that the exact compression-output may differ between environments
// and browsers, ensure that the resulting data can be correctly decoded
// by our `FlateStream`-implementation since that simulates opening the
// generated data with the PDF.js library.
const flateStream = new FlateStream(new StringStream(compressedStream));
expect(flateStream.getString()).toEqual(
`/Tx BMC q BT /Helv 5 Tf 1 0 0 1 0 0 Tm 2 3.07 Td (${value}) Tj ET Q EMC`
);
});
it("should get field object for usage in JS sandbox", async function () {