#----------------------------------
### Testing sfCauchy function
#----------------------------------
testthat::test_that("Test: alpha - Testing incorrect variable type,
out-of-range variable value", {
testthat::expect_error(gsDesign::sfCauchy(alpha = "abc", t = c(.1, .4),
param = c(0.1, 0.2)),
info = "Checking for incorrect variable type"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = 0, t = c(.1, .4),
param = c(0.1, 0.2)),
info = "Checking for out-of-range variable value"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = -1, t = c(.1, .4),
param = c(0.1, 0.2)),
info = "Checking for out-of-range variable value"
)
})
testthat::test_that("Test: t - Testing incorrect variable type,
out-of-range variable value", {
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c("a", "b"),
param = c(0.1, 0.2)),
info = "Checking for incorrect variable type"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(-.5, .75),
param = c(0.1, 0.2)),
info = "Checking for out-of-range variable value"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(-.75, 1),
param = c(0.1, 0.2)),
info = "Checking for out-of-range variable value"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(-1, -6),
param = c(0.1, 0.2)),
info = "Checking for out-of-range variable value"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(0.2, 0.5, , 0.7, 1),
param = c(0.1, 0.2)),
info = "Error in c(0.2, 0.5, , 0.7, 1) : argument 3 is empty"
)
})
testthat::test_that("Test: param - Testing incorrect variable type,
out-of-range variable value", {
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c("a", "b")),
info = "Checking for incorrect variable type"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4), param = 4),
info = "Checking for incorrect variable type"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4), param = .4),
info = "Checking for incorrect variable type"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(.4)),
info = "Checking for length of the variable"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(.2, .55, .75)),
info = "Checking for length of the variable"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(.2, .45, .55, 0.75, 0.85)),
info = "Checking for length of the variable"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(0, 0)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(.1, -5)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(.1, 0)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(NULL, 0.2, 0.05, .4)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(0.1, 0.01, 0.1, 0.4)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(0.01, 0.1, 0.4, 0.1)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(0.01, -0.1, 0.1, 0.4)),
info = "Checking for out-of-range of the variable"
)
testthat::expect_error(gsDesign::sfCauchy(alpha = .025, t = c(.1, .4),
param = c(0.4, 0.1, 0.1, 0.4)),
info = "Checking for out-of-range of the variable"
)
})
testthat::test_that("Test: output validation param length as 2,
Source: helper.R", {
t <- c(0.25, 0.5, 0.75, 1)
param <- c(1, 2)
alpha <- 0.05
sp <- gsDesign::sfCauchy(alpha, t, param)$spend
expect_sp <- validate_sfCauchy(alpha, t, param)
expect_equal(sp, expect_sp)
})
testthat::test_that("Test: output validation param length as 4,
Source: helper.R", {
t <- c(0.25, 0.5, .75, 1)
param <- c(0.2, 0.4, 0.1, 0.3)
alpha <- 0.05
sp <- gsDesign::sfCauchy(alpha, t, param)$spend
expect_sp <- validate_sfCauchy(alpha, t, param)
expect_equal(sp, expect_sp)
})
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