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Convert done callbacks to async/await in test/unit/display_svg_spec.js

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Tim van der Meij 2021-04-14 21:57:07 +02:00
parent cd2c4e277c
commit bc8c0bbbfd
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1 changed files with 29 additions and 37 deletions
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66
test/unit/display_svg_spec.js
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@ -59,17 +59,15 @@ function withZlib(isZlibRequired, callback) {
describe("SVGGraphics", function () {
let loadingTask;
let page;
beforeAll(function (done) {
beforeAll(async function () {
loadingTask = getDocument(buildGetDocumentParams("xobject-image.pdf"));
loadingTask.promise.then(function (doc) {
doc.getPage(1).then(function (firstPage) {
page = firstPage;
done();
});
});
const doc = await loadingTask.promise;
page = await doc.getPage(1);
});
afterAll(function (done) {
loadingTask.destroy().then(done);
afterAll(async function () {
await loadingTask.destroy();
});
describe("paintImageXObject", function () {
@ -129,39 +127,33 @@ describe("SVGGraphics", function () {
}
});
it("should produce a reasonably small svg:image", function (done) {
it("should produce a reasonably small svg:image", async function () {
if (!isNodeJS) {
pending("zlib.deflateSync is not supported in non-Node environments.");
}
withZlib(true, getSVGImage)
.then(function (svgImg) {
expect(svgImg.nodeName).toBe("svg:image");
expect(svgImg.getAttributeNS(null, "width")).toBe("200px");
expect(svgImg.getAttributeNS(null, "height")).toBe("100px");
const imgUrl = svgImg.getAttributeNS(XLINK_NS, "href");
// forceDataSchema = true, so the generated URL should be a data:-URL.
expect(imgUrl).toMatch(/^data:image\/png;base64,/);
// Test whether the generated image has a reasonable file size.
// I obtained a data URL of size 366 with Node 8.1.3 and zlib 1.2.11.
// Without zlib (uncompressed), the size of the data URL was excessive
// (80246).
expect(imgUrl.length).toBeLessThan(367);
})
.then(done, done.fail);
const svgImg = await withZlib(true, getSVGImage);
expect(svgImg.nodeName).toBe("svg:image");
expect(svgImg.getAttributeNS(null, "width")).toBe("200px");
expect(svgImg.getAttributeNS(null, "height")).toBe("100px");
const imgUrl = svgImg.getAttributeNS(XLINK_NS, "href");
// forceDataSchema = true, so the generated URL should be a data:-URL.
expect(imgUrl).toMatch(/^data:image\/png;base64,/);
// Test whether the generated image has a reasonable file size.
// I obtained a data URL of size 366 with Node 8.1.3 and zlib 1.2.11.
// Without zlib (uncompressed), the size of the data URL was excessive
// (80246).
expect(imgUrl.length).toBeLessThan(367);
});
it("should be able to produce a svg:image without zlib", function (done) {
withZlib(false, getSVGImage)
.then(function (svgImg) {
expect(svgImg.nodeName).toBe("svg:image");
expect(svgImg.getAttributeNS(null, "width")).toBe("200px");
expect(svgImg.getAttributeNS(null, "height")).toBe("100px");
const imgUrl = svgImg.getAttributeNS(XLINK_NS, "href");
expect(imgUrl).toMatch(/^data:image\/png;base64,/);
// The size of our naively generated PNG file is excessive :(
expect(imgUrl.length).toBe(80246);
})
.then(done, done.fail);
it("should be able to produce a svg:image without zlib", async function () {
const svgImg = await withZlib(false, getSVGImage);
expect(svgImg.nodeName).toBe("svg:image");
expect(svgImg.getAttributeNS(null, "width")).toBe("200px");
expect(svgImg.getAttributeNS(null, "height")).toBe("100px");
const imgUrl = svgImg.getAttributeNS(XLINK_NS, "href");
expect(imgUrl).toMatch(/^data:image\/png;base64,/);
// The size of our naively generated PNG file is excessive :(
expect(imgUrl.length).toBe(80246);
});
});
});