Shiny Session Mock class

Mock for Session object, only some tests require this right now but more tests may require this session object in the future Right now only services need session$destroy() method to clear services so you can create same service in more then one test

with version 0.5.0 session mock can be used as the only object passed to root component constructor.

Public fields

token

- string used by battery to distinguish users

input

- shiny input

output

- shiny output

Methods

Public methods

• Session$new()

• Session$destroy()

• Session$onSessionEnded()

• Session$clone()

---

Method new()

Session mock constructor

Usage

Session$new(
  token = NULL,
  input = battery::activeInput(),
  output = battery::activeOutput()
)

Arguments

token

- optional token used for testing to create different users that should get different data for services and globals

input

- mock for shiny input

output

- mock for shiny output

---

Method destroy()

Mock for destroy session

it will trigger handlers added by onSessionEnded

Usage

Session$destroy()

---

Method onSessionEnded()

Mock for the function that add handler on session destroy

Usage

Session$onSessionEnded(fn)

Arguments

fn

- function that will be called when destroy is called

---

Method clone()

The objects of this class are cloneable with this method.

Usage

Session$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Examples

TestComponent <- battery::component(
  "TestComponent",
  public = list(
    constructor = function() {
       print(self$session$token)
    }
  )
)
session <- battery::Session$new("Test")
input <- activeInput()
output <- activeOutput()
component <- TestComponent$new(input = input, output = output, session = session)
#> [1] "Test"