tests/testthat/test_options.R

In Runuran: R Interface to the 'UNU.RAN' Random Variate Generators

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## Check function Runuran.options()
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mkmsg.e <- function(...) { makemsg.e("Runuran\\.options",...) }

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context("[options] - set package options")

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test_that("[options-01] calling Runuran.options", {
    old.opts <- Runuran.options()

    expect_equivalent(Runuran.options("error.level")[[1L]], "warning")

    Runuran.options(error.level="none")
    expect_equivalent(Runuran.options("error.level")[[1L]], "none")

    Runuran.options(error.level="error")
    expect_equivalent(Runuran.options("error.level")[[1L]], "error")

    Runuran.options(error.level="warn")
    expect_equivalent(Runuran.options("error.level")[[1L]], "warning")

    Runuran.options(error.level="all")
    expect_equivalent(Runuran.options("error.level")[[1L]], "all")

    Runuran.options(error.level="default")
    expect_equivalent(Runuran.options("error.level")[[1L]], "warning")

    Runuran.options(old.opts)
})

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context("[options] - Invalid arguments")

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test_that("[options-i01] calling Runuran.options with invalid arguments", {

    ## invalid options
    msg <- mkmsg.e("Invalid argument '1'")
    expect_error( Runuran.options(1),  msg)

    msg <- mkmsg.e("Options must be given by name") 
    expect_error( Runuran.options(list(1)),  msg)

    msg <- mkmsg.e("Invalid option 'invalid'")
    expect_error( Runuran.options(invalid=1),  msg)

    ## invalid values for option "error.level"
    msg <- mkmsg.e("Invalid value for option 'error.level'. ",
                   "Possible values: \"default\", \"all\", \"warning\", \"error\", \"none\"")
    expect_error( Runuran.options(error.level="invalid"),  msg)
})

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## context("[options] - Handling NA and NaNs")

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