Merge pull request #4645 from overleaf/jpa-pdf-caching-opt-in

[misc] make PDF caching an opt-in feature

GitOrigin-RevId: 85ea5739d7bbeea3ac2517ec99f90f2beec2a768

services/web/test/unit/src/Project/ProjectControllerTests.js

@@ -1237,6 +1237,9 @@ describe('ProjectController', function () {
       })
 
       describe('during regular roll-out', function () {
+        before(function () {
+          this.skip()
+        })
         describe('disabled', function () {
           showNoVariant()
 
@@ -1285,6 +1288,29 @@ describe('ProjectController', function () {
           })
         })
       })
+
+      describe('during opt-in only', function () {
+        describe('with no query', function () {
+          expectBandwidthTrackingDisabled()
+          expectPDFCachingDisabled()
+        })
+
+        describe('with enable_pdf_caching=false', function () {
+          beforeEach(function () {
+            this.req.query.enable_pdf_caching = 'false'
+          })
+          expectBandwidthTrackingDisabled()
+          expectPDFCachingDisabled()
+        })
+
+        describe('with enable_pdf_caching=true', function () {
+          beforeEach(function () {
+            this.req.query.enable_pdf_caching = 'true'
+          })
+          expectBandwidthTrackingEnabled()
+          expectPDFCachingEnabled()
+        })
+      })
     })
 
     describe('wsUrl', function () {