tests/testthat/test-functions_effects_DyNAM_choice-update_alter.R

In goldfish: Statistical Network Models for Dynamic Network Data

test_that("alter returns a valid object on update", {
  expect_type(
    update_DyNAM_choice_alter(
      attribute = testAttr$fishingSkill, node = 1, replace = 1, n1 = 8, n2 = 0
    ),
    "list"
  )
  expect_true(
    inherits(
      update_DyNAM_choice_alter(
        attribute = testAttr$fishingSkill, node = 1, replace = 1, n1 = 8, n2 = 0
      )$changes,
      "matrix"
    ),
    label = "it doesn't return a matrix"
  )
})

test_that("alter returns NULL if there is no change", {
  expect_null(
    update_DyNAM_choice_alter(
      testAttr$fishingSkill,
      node = 1, replace = 10, n1 = 8, n2 = 0
    )$changes
  )
  expect_null(
    update_DyNAM_choice_alter(
      testAttr$fishingSkill,
      node = 2, replace = NA, n1 = 8, n2 = 0
    )$changes,
    label = "when previous value and replace are NA"
  )
})

test_that("alter returns correct attributes on update", {
  expect_equal(
    update_DyNAM_choice_alter(
      testAttr$fishingSkill,
      node = 1, replace = 1, n1 = 8, n2 = 0
    )$changes,
    cbind(node1 = 2:8, node2 = rep(1, 7), replace = rep(1, 7))
  )
  expect_equal(
    update_DyNAM_choice_alter(
      testAttr$fishingSkill,
      node = 1, replace = 0, n1 = 8, n2 = 0
    )$changes,
    cbind(node1 = 2:8, node2 = rep(1, 7), replace = rep(0, 7)),
    label = "when replace is 0"
  )
  expect_equal(
    update_DyNAM_choice_alter(
      testAttr$fishingSkill,
      node = 8, replace = 1, n1 = 8, n2 = 0
    )$changes,
    cbind(node1 = 1:7, node2 = rep(8, 7), replace = rep(1, 7)),
    label = "when previous value was NA"
  )
})