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test/integration/copy_paste_spec.mjs

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+/* Copyright 2023 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {
+  closePages,
+  copy,
+  kbSelectAll,
+  loadAndWait,
+  mockClipboard,
+  waitForEvent,
+} from "./test_utils.mjs";
+
+const selectAll = async page => {
+  await waitForEvent({
+    page,
+    eventName: "selectionchange",
+    action: () => kbSelectAll(page),
+  });
+
+  await page.waitForFunction(() => {
+    const selection = document.getSelection();
+    const hiddenCopyElement = document.getElementById("hiddenCopyElement");
+    return selection.containsNode(hiddenCopyElement);
+  });
+};
+
+describe("Copy and paste", () => {
+  describe("all text", () => {
+    let pages;
+
+    beforeEach(async () => {
+      pages = await loadAndWait("tracemonkey.pdf", "#hiddenCopyElement", 100);
+      await mockClipboard(pages);
+    });
+
+    afterEach(async () => {
+      await closePages(pages);
+    });
+
+    it("must check that we've all the contents on copy/paste", async () => {
+      await Promise.all(
+        pages.map(async ([browserName, page]) => {
+          await page.waitForSelector(
+            ".page[data-page-number='1'] .textLayer .endOfContent"
+          );
+          await selectAll(page);
+
+          await copy(page);
+          await page.waitForFunction(
+            `document.querySelector('#viewerContainer').style.cursor !== "wait"`
+          );
+
+          await page.waitForFunction(
+            async () =>
+              !!(await navigator.clipboard.readText())?.includes(
+                "Dynamic languages such as JavaScript"
+              )
+          );
+          const text = await page.evaluate(() =>
+            navigator.clipboard.readText()
+          );
+
+          expect(
+            text.includes("This section provides an overview of our system")
+          )
+            .withContext(`In ${browserName}`)
+            .toEqual(true);
+          expect(
+            text.includes(
+              "are represented by function calls. This makes the LIR used by"
+            )
+          )
+            .withContext(`In ${browserName}`)
+            .toEqual(true);
+          expect(
+            text.includes("When compiling loops, we consult the oracle before")
+          )
+            .withContext(`In ${browserName}`)
+            .toEqual(true);
+          expect(text.includes("Nested Trace Tree Formation"))
+            .withContext(`In ${browserName}`)
+            .toEqual(true);
+          expect(
+            text.includes(
+              "An important detail is that the call to the inner trace"
+            )
+          )
+            .withContext(`In ${browserName}`)
+            .toEqual(true);
+          expect(text.includes("When trace recording is completed, nanojit"))
+            .withContext(`In ${browserName}`)
+            .toEqual(true);
+          expect(
+            text.includes(
+              "SpiderMonkey, like many VMs, needs to preempt the user program"
+            )
+          )
+            .withContext(`In ${browserName}`)
+            .toEqual(true);
+          expect(
+            text.includes(
+              "Using similar computations, we find that trace recording takes"
+            )
+          )
+            .withContext(`In ${browserName}`)
+            .toEqual(true);
+          expect(
+            text.includes(
+              "specialization algorithm. We also described our trace compiler"
+            )
+          )
+            .withContext(`In ${browserName}`)
+            .toEqual(true);
+          expect(
+            text.includes(
+              "dynamic optimization system. In Proceedings of the ACM SIGPLAN"
+            )
+          )
+            .withContext(`In ${browserName}`)
+            .toEqual(true);
+        })
+      );
+    });
+  });
+  describe("Copy/paste and ligatures", () => {
+    let pages;
+
+    beforeEach(async () => {
+      pages = await loadAndWait(
+        "copy_paste_ligatures.pdf",
+        "#hiddenCopyElement",
+        100
+      );
+      await mockClipboard(pages);
+    });
+
+    afterEach(async () => {
+      await closePages(pages);
+    });
+
+    it("must check that the ligatures have been removed when the text has been copied", async () => {
+      await Promise.all(
+        pages.map(async ([browserName, page]) => {
+          await page.waitForSelector(
+            ".page[data-page-number='1'] .textLayer .endOfContent"
+          );
+          await selectAll(page);
+
+          await copy(page);
+          await page.waitForFunction(
+            `document.querySelector('#viewerContainer').style.cursor !== "wait"`
+          );
+
+          await page.waitForFunction(
+            async () => !!(await navigator.clipboard.readText())
+          );
+
+          const text = await page.evaluate(() =>
+            navigator.clipboard.readText()
+          );
+
+          expect(text)
+            .withContext(`In ${browserName}`)
+            .toEqual("abcdeffffiflffifflſtstghijklmno");
+        })
+      );
+    });
+  });
+});