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- import { createIdFactory, XRefMock } from "./test_utils.js";
- import { Dict, Name, Ref } from "../../src/core/primitives.js";
- import { PDFDocument } from "../../src/core/document.js";
- import { StringStream } from "../../src/core/stream.js";
- describe("document", function () {
- describe("Page", function () {
- it("should create correct objId/fontId using the idFactory", function () {
- const idFactory1 = createIdFactory( 0);
- const idFactory2 = createIdFactory( 1);
- expect(idFactory1.createObjId()).toEqual("p0_1");
- expect(idFactory1.createObjId()).toEqual("p0_2");
- expect(idFactory1.createFontId()).toEqual("f1");
- expect(idFactory1.createFontId()).toEqual("f2");
- expect(idFactory1.getDocId()).toEqual("g_d0");
- expect(idFactory2.createObjId()).toEqual("p1_1");
- expect(idFactory2.createObjId()).toEqual("p1_2");
- expect(idFactory2.createFontId()).toEqual("f1");
- expect(idFactory2.createFontId()).toEqual("f2");
- expect(idFactory2.getDocId()).toEqual("g_d0");
- expect(idFactory1.createObjId()).toEqual("p0_3");
- expect(idFactory1.createObjId()).toEqual("p0_4");
- expect(idFactory1.createFontId()).toEqual("f3");
- expect(idFactory1.createFontId()).toEqual("f4");
- expect(idFactory1.getDocId()).toEqual("g_d0");
- });
- });
- describe("PDFDocument", function () {
- const stream = new StringStream("Dummy_PDF_data");
- function getDocument(acroForm, xref = new XRefMock()) {
- const catalog = { acroForm };
- const pdfManager = {
- get docId() {
- return "d0";
- },
- ensureDoc(prop, args) {
- return pdfManager.ensure(pdfDocument, prop, args);
- },
- ensureCatalog(prop, args) {
- return pdfManager.ensure(catalog, prop, args);
- },
- async ensure(obj, prop, args) {
- const value = obj[prop];
- if (typeof value === "function") {
- return value.apply(obj, args);
- }
- return value;
- },
- get evaluatorOptions() {
- return { isOffscreenCanvasSupported: false };
- },
- };
- const pdfDocument = new PDFDocument(pdfManager, stream);
- pdfDocument.xref = xref;
- pdfDocument.catalog = catalog;
- return pdfDocument;
- }
- it("should get form info when no form data is present", function () {
- const pdfDocument = getDocument(null);
- expect(pdfDocument.formInfo).toEqual({
- hasAcroForm: false,
- hasSignatures: false,
- hasXfa: false,
- hasFields: false,
- });
- });
- it("should get form info when XFA is present", function () {
- const acroForm = new Dict();
-
- acroForm.set("XFA", []);
- let pdfDocument = getDocument(acroForm);
- expect(pdfDocument.formInfo).toEqual({
- hasAcroForm: false,
- hasSignatures: false,
- hasXfa: false,
- hasFields: false,
- });
- acroForm.set("XFA", ["foo", "bar"]);
- pdfDocument = getDocument(acroForm);
- expect(pdfDocument.formInfo).toEqual({
- hasAcroForm: false,
- hasSignatures: false,
- hasXfa: true,
- hasFields: false,
- });
- acroForm.set("XFA", new StringStream(""));
- pdfDocument = getDocument(acroForm);
- expect(pdfDocument.formInfo).toEqual({
- hasAcroForm: false,
- hasSignatures: false,
- hasXfa: false,
- hasFields: false,
- });
- acroForm.set("XFA", new StringStream("non-empty"));
- pdfDocument = getDocument(acroForm);
- expect(pdfDocument.formInfo).toEqual({
- hasAcroForm: false,
- hasSignatures: false,
- hasXfa: true,
- hasFields: false,
- });
- });
- it("should get form info when AcroForm is present", function () {
- const acroForm = new Dict();
-
- acroForm.set("Fields", []);
- let pdfDocument = getDocument(acroForm);
- expect(pdfDocument.formInfo).toEqual({
- hasAcroForm: false,
- hasSignatures: false,
- hasXfa: false,
- hasFields: false,
- });
- acroForm.set("Fields", ["foo", "bar"]);
- pdfDocument = getDocument(acroForm);
- expect(pdfDocument.formInfo).toEqual({
- hasAcroForm: true,
- hasSignatures: false,
- hasXfa: false,
- hasFields: true,
- });
-
-
- acroForm.set("Fields", ["foo", "bar"]);
- acroForm.set("SigFlags", 2);
- pdfDocument = getDocument(acroForm);
- expect(pdfDocument.formInfo).toEqual({
- hasAcroForm: true,
- hasSignatures: false,
- hasXfa: false,
- hasFields: true,
- });
- const annotationDict = new Dict();
- annotationDict.set("FT", Name.get("Sig"));
- annotationDict.set("Rect", [0, 0, 0, 0]);
- const annotationRef = Ref.get(11, 0);
- const kidsDict = new Dict();
- kidsDict.set("Kids", [annotationRef]);
- const kidsRef = Ref.get(10, 0);
- const xref = new XRefMock([
- { ref: annotationRef, data: annotationDict },
- { ref: kidsRef, data: kidsDict },
- ]);
- acroForm.set("Fields", [kidsRef]);
- acroForm.set("SigFlags", 3);
- pdfDocument = getDocument(acroForm, xref);
- expect(pdfDocument.formInfo).toEqual({
- hasAcroForm: false,
- hasSignatures: true,
- hasXfa: false,
- hasFields: true,
- });
- });
- it("should get calculation order array or null", function () {
- const acroForm = new Dict();
- let pdfDocument = getDocument(acroForm);
- expect(pdfDocument.calculationOrderIds).toEqual(null);
- acroForm.set("CO", [Ref.get(1, 0), Ref.get(2, 0), Ref.get(3, 0)]);
- pdfDocument = getDocument(acroForm);
- expect(pdfDocument.calculationOrderIds).toEqual(["1R", "2R", "3R"]);
- acroForm.set("CO", []);
- pdfDocument = getDocument(acroForm);
- expect(pdfDocument.calculationOrderIds).toEqual(null);
- acroForm.set("CO", ["1", "2"]);
- pdfDocument = getDocument(acroForm);
- expect(pdfDocument.calculationOrderIds).toEqual(null);
- acroForm.set("CO", ["1", Ref.get(1, 0), "2"]);
- pdfDocument = getDocument(acroForm);
- expect(pdfDocument.calculationOrderIds).toEqual(["1R"]);
- });
- it("should get field objects array or null", async function () {
- const acroForm = new Dict();
- let pdfDocument = getDocument(acroForm);
- let fields = await pdfDocument.fieldObjects;
- expect(fields).toEqual(null);
- acroForm.set("Fields", []);
- pdfDocument = getDocument(acroForm);
- fields = await pdfDocument.fieldObjects;
- expect(fields).toEqual(null);
- const kid1Ref = Ref.get(314, 0);
- const kid11Ref = Ref.get(159, 0);
- const kid2Ref = Ref.get(265, 0);
- const kid2BisRef = Ref.get(266, 0);
- const parentRef = Ref.get(358, 0);
- const allFields = Object.create(null);
- for (const name of ["parent", "kid1", "kid2", "kid11"]) {
- const buttonWidgetDict = new Dict();
- buttonWidgetDict.set("Type", Name.get("Annot"));
- buttonWidgetDict.set("Subtype", Name.get("Widget"));
- buttonWidgetDict.set("FT", Name.get("Btn"));
- buttonWidgetDict.set("T", name);
- allFields[name] = buttonWidgetDict;
- }
- allFields.kid1.set("Kids", [kid11Ref]);
- allFields.parent.set("Kids", [kid1Ref, kid2Ref, kid2BisRef]);
- const xref = new XRefMock([
- { ref: parentRef, data: allFields.parent },
- { ref: kid1Ref, data: allFields.kid1 },
- { ref: kid11Ref, data: allFields.kid11 },
- { ref: kid2Ref, data: allFields.kid2 },
- { ref: kid2BisRef, data: allFields.kid2 },
- ]);
- acroForm.set("Fields", [parentRef]);
- pdfDocument = getDocument(acroForm, xref);
- fields = await pdfDocument.fieldObjects;
- for (const [name, objs] of Object.entries(fields)) {
- fields[name] = objs.map(obj => obj.id);
- }
- expect(fields["parent.kid1"]).toEqual(["314R"]);
- expect(fields["parent.kid1.kid11"]).toEqual(["159R"]);
- expect(fields["parent.kid2"]).toEqual(["265R", "266R"]);
- expect(fields.parent).toEqual(["358R"]);
- });
- it("should check if fields have any actions", async function () {
- const acroForm = new Dict();
- let pdfDocument = getDocument(acroForm);
- let hasJSActions = await pdfDocument.hasJSActions;
- expect(hasJSActions).toEqual(false);
- acroForm.set("Fields", []);
- pdfDocument = getDocument(acroForm);
- hasJSActions = await pdfDocument.hasJSActions;
- expect(hasJSActions).toEqual(false);
- const kid1Ref = Ref.get(314, 0);
- const kid11Ref = Ref.get(159, 0);
- const kid2Ref = Ref.get(265, 0);
- const parentRef = Ref.get(358, 0);
- const allFields = Object.create(null);
- for (const name of ["parent", "kid1", "kid2", "kid11"]) {
- const buttonWidgetDict = new Dict();
- buttonWidgetDict.set("Type", Name.get("Annot"));
- buttonWidgetDict.set("Subtype", Name.get("Widget"));
- buttonWidgetDict.set("FT", Name.get("Btn"));
- buttonWidgetDict.set("T", name);
- allFields[name] = buttonWidgetDict;
- }
- allFields.kid1.set("Kids", [kid11Ref]);
- allFields.parent.set("Kids", [kid1Ref, kid2Ref]);
- const xref = new XRefMock([
- { ref: parentRef, data: allFields.parent },
- { ref: kid1Ref, data: allFields.kid1 },
- { ref: kid11Ref, data: allFields.kid11 },
- { ref: kid2Ref, data: allFields.kid2 },
- ]);
- acroForm.set("Fields", [parentRef]);
- pdfDocument = getDocument(acroForm, xref);
- hasJSActions = await pdfDocument.hasJSActions;
- expect(hasJSActions).toEqual(false);
- const JS = Name.get("JavaScript");
- const additionalActionsDict = new Dict();
- const eDict = new Dict();
- eDict.set("JS", "hello()");
- eDict.set("S", JS);
- additionalActionsDict.set("E", eDict);
- allFields.kid2.set("AA", additionalActionsDict);
- pdfDocument = getDocument(acroForm, xref);
- hasJSActions = await pdfDocument.hasJSActions;
- expect(hasJSActions).toEqual(true);
- });
- });
- });
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