Fix memory leak (#133)

Author: fcollonval

docs/source/memory-leak/index.md

@@ -40,7 +40,7 @@ using:
 npx fuite http://localhost:9999/lab?reset -s memory-leaks/tests/notebook.mjs
 ```
 
-You can run in headless mode with the `-d` flag. And you can change the number
+You can run in headed mode with the `-d` flag. And you can change the number
 of iteration with `-i <number>` option.
 
 > Don't forget the `?reset` query arguments to ensure the workspace is reset between each iteration.

memory-leaks/tests/cell.mjs

@@ -45,14 +45,17 @@ export async function iteration(page, data) {
 
   switch (data.type) {
     case "raw":
+      await page.keyboard.press("Escape");
       await page.keyboard.press("R");
       await page.waitForSelector(".jp-RawCell");
       break;
     case "markdown":
+      await page.keyboard.press("Escape");
       await page.keyboard.press("M");
       await page.waitForSelector(".jp-MarkdownCell");
       break;
     case "code":
+      await page.keyboard.press("Escape");
       await page.keyboard.press("C");
       await page.waitForXPath(
         '//div[contains(@class, "jp-CodeCell")][position() = last()]'

memory-leaks/tests/cell.test.mjs

@@ -7,11 +7,11 @@ describe("# Cell memory leaks", () => {
     await testScenario(addScenario, {
       expectations: [
         // Code cell
-        { objects: 1400, collections: 32 },
+        { objects: 980, collections: 18 },
         // Markdown cell
-        { objects: 1365, collections: 55 },
+        { objects: 656, collections: 28 },
         // Raw cell
-        { objects: 1046, collections: 55 },
+        { objects: 548, collections: 28 },
       ],
     });
   });

memory-leaks/tests/file-editor.test.mjs

@@ -3,6 +3,6 @@ import * as scenario from "./file-editor.mjs";
 
 describe("# File editor memory leaks", () => {
   it("Opening a text file", async () => {
-    await testScenario(scenario, { expectations: [{ objects: 681, collections: 4 }] });
+    await testScenario(scenario, { expectations: [{ objects: 648, collections: 4 }] });
   });
 });

memory-leaks/tests/notebook.test.mjs

@@ -4,7 +4,7 @@ import * as notebookScenario from "./notebook.mjs";
 describe("# Notebook memory leaks", () => {
   it("Opening a notebook", async () => {
     await testScenario(notebookScenario, {
-      expectations: [{ collections: 28, objects: 594 }],
+      expectations: [{ collections: 8, objects: 463 }],
     });
   });
 });