Isolate the viewer integration tests

To avoid being able to introduce dependencies between tests this commit
makes sure that we close the document between tests so that we can't
accidentally rely on state set by a previous test.

Author: timvandermeij

test/integration/viewer_spec.mjs

@@ -28,7 +28,7 @@ describe("PDF viewer", () => {
   describe("Zoom origin", () => {
     let pages;
 
-    beforeAll(async () => {
+    beforeEach(async () => {
       pages = await loadAndWait(
         "tracemonkey.pdf",
         ".textLayer .endOfContent",
@@ -38,7 +38,7 @@ describe("PDF viewer", () => {
       );
     });
 
-    afterAll(async () => {
+    afterEach(async () => {
       await closePages(pages);
     });
 
@@ -107,11 +107,11 @@ describe("PDF viewer", () => {
   describe("Zoom with the mouse wheel", () => {
     let pages;
 
-    beforeAll(async () => {
+    beforeEach(async () => {
       pages = await loadAndWait("empty.pdf", ".textLayer .endOfContent", 1000);
     });
 
-    afterAll(async () => {
+    afterEach(async () => {
       await closePages(pages);
     });
 
@@ -141,11 +141,11 @@ describe("PDF viewer", () => {
   describe("Zoom commands", () => {
     let pages;
 
-    beforeAll(async () => {
+    beforeEach(async () => {
       pages = await loadAndWait("tracemonkey.pdf", ".textLayer .endOfContent");
     });
 
-    afterAll(async () => {
+    afterEach(async () => {
       await closePages(pages);
     });
 
@@ -191,7 +191,7 @@ describe("PDF viewer", () => {
     describe("forced (maxCanvasPixels: 0)", () => {
       let pages;
 
-      beforeAll(async () => {
+      beforeEach(async () => {
         pages = await loadAndWait(
           "tracemonkey.pdf",
           ".textLayer .endOfContent",
@@ -201,7 +201,7 @@ describe("PDF viewer", () => {
         );
       });
 
-      afterAll(async () => {
+      afterEach(async () => {
         await closePages(pages);
       });
 
@@ -257,7 +257,7 @@ describe("PDF viewer", () => {
 
       const MAX_CANVAS_PIXELS = new Map();
 
-      beforeAll(async () => {
+      beforeEach(async () => {
         pages = await loadAndWait(
           "tracemonkey.pdf",
           ".textLayer .endOfContent",
@@ -271,9 +271,7 @@ describe("PDF viewer", () => {
             return { maxCanvasPixels };
           }
         );
-      });
 
-      beforeEach(async () => {
         await Promise.all(
           pages.map(async ([browserName, page]) => {
             const handle = await waitForPageRendered(page);
@@ -294,7 +292,7 @@ describe("PDF viewer", () => {
         );
       });
 
-      afterAll(async () => {
+      afterEach(async () => {
         await closePages(pages);
       });
 
@@ -387,15 +385,15 @@ describe("PDF viewer", () => {
   describe("Canvas fits the page", () => {
     let pages;
 
-    beforeAll(async () => {
+    beforeEach(async () => {
       pages = await loadAndWait(
         "issue18694.pdf",
         ".textLayer .endOfContent",
         "page-width"
       );
     });
 
-    afterAll(async () => {
+    afterEach(async () => {
       await closePages(pages);
     });
 
@@ -461,7 +459,7 @@ describe("PDF viewer", () => {
     function setupPages(zoom, devicePixelRatio, setups = {}) {
       let pages;
 
-      beforeAll(async () => {
+      beforeEach(async () => {
         pages = await loadAndWait(
           "colors.pdf",
           null,
@@ -480,7 +478,7 @@ describe("PDF viewer", () => {
         );
       });
 
-      afterAll(async () => {
+      afterEach(async () => {
         await closePages(pages);
       });
 
@@ -1121,11 +1119,11 @@ describe("PDF viewer", () => {
       );
     }
 
-    beforeAll(async () => {
+    beforeEach(async () => {
       pages = await loadAndWait("issue18694.pdf", ".textLayer .endOfContent");
     });
 
-    afterAll(async () => {
+    afterEach(async () => {
       await closePages(pages);
     });