Merge pull request #19842 from overleaf/jpa-ro-mirror-on-client

[misc] add readonly mirror of full project content on the client

GitOrigin-RevId: 940bd93bfd587f83ca383d10fc44579b38fc3e88

services/project-history/test/unit/js/HttpController/HttpControllerTests.js

@@ -84,6 +84,7 @@ describe('HttpController', function () {
       json: sinon.stub(),
       send: sinon.stub(),
       sendStatus: sinon.stub(),
+      setHeader: sinon.stub(),
     }
   })
 
@@ -105,6 +106,13 @@ describe('HttpController', function () {
         .should.equal(true)
       this.pipeline.should.have.been.calledWith(this.stream, this.res)
     })
+
+    it('should set caching header', function () {
+      this.res.setHeader.should.have.been.calledWith(
+        'Cache-Control',
+        'private, max-age=86400'
+      )
+    })
   })
 
   describe('initializeProject', function () {