diff --git a/services/web/test/UnitTests/coffee/User/UserSessionsManager.coffee b/services/web/test/UnitTests/coffee/User/UserSessionsManager.coffee
index 5e6990ac25..dcb1271d16 100644
--- a/services/web/test/UnitTests/coffee/User/UserSessionsManager.coffee
+++ b/services/web/test/UnitTests/coffee/User/UserSessionsManager.coffee
@@ -17,12 +17,14 @@ describe 'UserSessionsManager', ->
 			multi:    sinon.stub()
 			exec:     sinon.stub()
 			get:      sinon.stub()
+			del:      sinon.stub()
 			sadd:     sinon.stub()
 			srem:     sinon.stub()
 			smembers: sinon.stub()
 			expire:   sinon.stub()
 		@rclient.multi.returns(@rclient)
 		@rclient.get.returns(@rclient)
+		@rclient.del.returns(@rclient)
 		@rclient.sadd.returns(@rclient)
 		@rclient.srem.returns(@rclient)
 		@rclient.smembers.returns(@rclient)
@@ -242,3 +244,60 @@ describe 'UserSessionsManager', ->
 				@call (err) =>
 					@_checkSessions.callCount.should.equal 0
 					done()
+
+	##
+	describe 'revokeAllUserSessions', ->
+
+		beforeEach ->
+			@sessionKeys = ['one', 'two']
+			@rclient.smembers.callsArgWith(1, null, @sessionKeys)
+			@rclient.exec.callsArgWith(0, null)
+			@call = (callback) =>
+				@UserSessionsManager.revokeAllUserSessions @user, callback
+
+		it 'should not produce an error', (done) ->
+			@call (err) =>
+				expect(err).to.not.be.instanceof Error
+				done()
+
+		it 'should call the appropriate redis methods', (done) ->
+			@call (err) =>
+				@rclient.smembers.callCount.should.equal 1
+				@rclient.multi.callCount.should.equal 1
+				@rclient.del.callCount.should.equal 1
+				@rclient.del.firstCall.args[0].should.deep.equal(@sessionKeys)
+				@rclient.srem.callCount.should.equal 1
+				@rclient.srem.firstCall.args[1].should.deep.equal(@sessionKeys)
+				@rclient.exec.callCount.should.equal 1
+				done()
+
+		describe 'when rclient produces an error', ->
+
+			beforeEach ->
+				@rclient.exec.callsArgWith(0, new Error('woops'))
+
+			it 'should produce an error', (done) ->
+				@call (err) =>
+					expect(err).to.be.instanceof Error
+					done()
+
+		describe 'when no user is supplied', ->
+
+			beforeEach ->
+				@call = (callback) =>
+					@UserSessionsManager.revokeAllUserSessions null, callback
+
+			it 'should not produce an error', (done) ->
+				@call (err) =>
+					expect(err).to.not.be.instanceof Error
+					expect(err).to.equal null
+					done()
+
+			it 'should not call the appropriate redis methods', (done) ->
+				@call (err) =>
+					@rclient.smembers.callCount.should.equal 0
+					@rclient.multi.callCount.should.equal 0
+					@rclient.del.callCount.should.equal 0
+					@rclient.srem.callCount.should.equal 0
+					@rclient.exec.callCount.should.equal 0
+					done()