From f2fb3b95ce8daf58663a2c7209461932b0026345 Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Mon, 4 Nov 2024 14:09:34 +0100
Subject: [PATCH] Add helper functions to load image blob/bitmap data in
 `test/unit/api_spec.js`

This avoids repeating the same code multiple times, and as part of the changes we'll also utilize existing PDF.js helpers more.
---
 test/unit/api_spec.js | 68 ++++++++++++++-----------------------------
 1 file changed, 22 insertions(+), 46 deletions(-)

diff --git a/test/unit/api_spec.js b/test/unit/api_spec.js
index bb78c9c32b31d..fb0d6064b8668 100644
--- a/test/unit/api_spec.js
+++ b/test/unit/api_spec.js
@@ -46,6 +46,7 @@ import {
   RenderTask,
 } from "../../src/display/api.js";
 import {
+  fetchData as fetchDataDOM,
   PageViewport,
   RenderingCancelledException,
   StatTimer,
@@ -117,6 +118,21 @@ describe("api", function () {
     return node;
   }
 
+  async function getImageBlob(filename) {
+    if (isNodeJS) {
+      throw new Error("Not implemented.");
+    }
+    const TEST_IMAGES_PATH = "../images/";
+    const url = new URL(TEST_IMAGES_PATH + filename, window.location).href;
+
+    return fetchDataDOM(url, /* type = */ "blob");
+  }
+
+  async function getImageBitmap(filename) {
+    const blob = await getImageBlob(filename);
+    return createImageBitmap(blob);
+  }
+
   describe("getDocument", function () {
     it("creates pdf doc from URL-string", async function () {
       const urlStr = TEST_PDFS_PATH + basicApiFileName;
@@ -2472,14 +2488,7 @@ describe("api", function () {
       if (isNodeJS) {
         pending("Cannot create a bitmap from Node.js.");
       }
-
-      const TEST_IMAGES_PATH = "../images/";
-      const filename = "firefox_logo.png";
-      const path = new URL(TEST_IMAGES_PATH + filename, window.location).href;
-
-      const response = await fetch(path);
-      const blob = await response.blob();
-      const bitmap = await createImageBitmap(blob);
+      const bitmap = await getImageBitmap("firefox_logo.png");
 
       let loadingTask = getDocument(buildGetDocumentParams("empty.pdf"));
       let pdfDoc = await loadingTask.promise;
@@ -2524,14 +2533,7 @@ describe("api", function () {
       if (isNodeJS) {
         pending("Cannot create a bitmap from Node.js.");
       }
-
-      const TEST_IMAGES_PATH = "../images/";
-      const filename = "firefox_logo.png";
-      const path = new URL(TEST_IMAGES_PATH + filename, window.location).href;
-
-      const response = await fetch(path);
-      const blob = await response.blob();
-      const bitmap = await createImageBitmap(blob);
+      const bitmap = await getImageBitmap("firefox_logo.png");
 
       let loadingTask = getDocument(buildGetDocumentParams("bug1823296.pdf"));
       let pdfDoc = await loadingTask.promise;
@@ -2636,14 +2638,7 @@ describe("api", function () {
       if (isNodeJS) {
         pending("Cannot create a bitmap from Node.js.");
       }
-
-      const TEST_IMAGES_PATH = "../images/";
-      const filename = "firefox_logo.png";
-      const path = new URL(TEST_IMAGES_PATH + filename, window.location).href;
-
-      const response = await fetch(path);
-      const blob = await response.blob();
-      const bitmap = await createImageBitmap(blob);
+      const bitmap = await getImageBitmap("firefox_logo.png");
 
       let loadingTask = getDocument(
         buildGetDocumentParams("pdfjs_wikipedia.pdf")
@@ -2734,13 +2729,8 @@ describe("api", function () {
       if (isNodeJS) {
         pending("Cannot create a bitmap from Node.js.");
       }
+      const blob = await getImageBlob("firefox_logo.png");
 
-      const TEST_IMAGES_PATH = "../images/";
-      const filename = "firefox_logo.png";
-      const path = new URL(TEST_IMAGES_PATH + filename, window.location).href;
-
-      const response = await fetch(path);
-      const blob = await response.blob();
       let loadingTask, pdfDoc;
       let data = buildGetDocumentParams("empty.pdf");
 
@@ -2804,14 +2794,7 @@ describe("api", function () {
       if (isNodeJS) {
         pending("Cannot create a bitmap from Node.js.");
       }
-
-      const TEST_IMAGES_PATH = "../images/";
-      const filename = "firefox_logo.png";
-      const path = new URL(TEST_IMAGES_PATH + filename, window.location).href;
-
-      const response = await fetch(path);
-      const blob = await response.blob();
-      const bitmap = await createImageBitmap(blob);
+      const bitmap = await getImageBitmap("firefox_logo.png");
 
       let loadingTask = getDocument(buildGetDocumentParams("empty.pdf"));
       let pdfDoc = await loadingTask.promise;
@@ -2860,14 +2843,7 @@ describe("api", function () {
       if (isNodeJS) {
         pending("Cannot create a bitmap from Node.js.");
       }
-
-      const TEST_IMAGES_PATH = "../images/";
-      const filename = "firefox_logo.png";
-      const path = new URL(TEST_IMAGES_PATH + filename, window.location).href;
-
-      const response = await fetch(path);
-      const blob = await response.blob();
-      const bitmap = await createImageBitmap(blob);
+      const bitmap = await getImageBitmap("firefox_logo.png");
 
       let loadingTask = getDocument(buildGetDocumentParams("empty.pdf"));
       let pdfDoc = await loadingTask.promise;