tests/testthat/test-multiple-pos.R

In DeclareDesign/DeclareDesignv2: Declare and Diagnose Research Designs

context("Multiple POs")

test_that("multiple potential outcomes", {
  my_population <- declare_model(
    N = 100, income = rnorm(N), age = sample(18:95, N, replace = T)
  )

  my_potential_outcomes_Y <- declare_potential_outcomes(
    formula = Y ~ .25 * Z + .01 * age * Z
  )

  my_potential_outcomes_attrition <- declare_potential_outcomes(
    formula = R ~ rbinom(n = N, size = 1, prob = pnorm(Y_Z_0))
  )

  my_assignment <- declare_assignment(Z = complete_ra(N, m = 25))

  my_design <- my_population +
    my_potential_outcomes_Y +
    my_potential_outcomes_attrition +
    my_assignment +
    declare_reveal(outcome_variable = "R", assignment_variable = "Z") +
    declare_reveal(outcome_variable = "Y", assignment_variable = "Z")

  expect_true(all(
    c("R", "Y") %in% colnames(draw_data(my_design))
  ))
})