tests/testthat/test-load.R

In RxODE: Facilities for Simulating from ODE-Based Models

rxodeTest(
  {
    require(RxODE)
    context("Test loading, and unloading of models")

    rigid.txt <- "
y1(0)    = 1
y2(0)    = 0
y3(0)    = 0.9
a1       = -2
a2       = 1.25
a3       = -0.5
d/dt(y1) = a1*y2*y3
d/dt(y2) = a2*y1*y3
d/dt(y3) = a3*y1*y2
"

    rigid <- RxODE(rigid.txt)

    test_that("loading and unloading works.", {
      dll <- rxDll(rigid)
      expect_true(rxDllLoaded(rigid))
      expect_true(file.exists(dll))
      rxUnload(rigid)
      expect_false(rxDllLoaded(rigid))
      expect_true(file.exists(dll))
      rxLoad(rigid)
      expect_true(rxDllLoaded(rigid))
      expect_true(file.exists(dll))
      rxDelete(rigid)
      expect_false(rxDllLoaded(rigid))
      expect_false(file.exists(dll))
      rxLoad(rigid)
      expect_true(rxDllLoaded(rigid))
      expect_true(file.exists(dll))
      rxDelete(rigid)
      rxSyncOptions()
      expect_false(rxDllLoaded(rigid))
      expect_false(file.exists(dll))
      ## Test $ syntax
      rigid$compile()
      expect_true(rxDllLoaded(rigid))
      expect_true(file.exists(dll))
      rigid$delete()
      expect_false(rxDllLoaded(rigid))
      expect_false(file.exists(dll))
      rigid$dynLoad()
      expect_true(rxDllLoaded(rigid))
      expect_true(file.exists(dll))
      rigid$dynUnload()
      expect_false(rxDllLoaded(rigid))
      expect_true(file.exists(dll))
    })
  },
  silent = TRUE,
  test = "lvl2"
)