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context("constants class")
library(photosynthesis)
test_that("constants returns class constants and list", {
cnstnts = make_constants(use_tealeaves = FALSE)
expect_s3_class(cnstnts, "constants")
expect_s3_class(cnstnts, "list")
cnstnts = make_constants(use_tealeaves = TRUE)
expect_s3_class(cnstnts, "constants")
expect_s3_class(cnstnts, "list")
})
test_that("fails when a parameter is left out", {
cnstnts = make_constants(use_tealeaves = FALSE)
cnstnts$D_c0 = NULL
expect_error(constants(cnstnts))
cnstnts = make_constants(use_tealeaves = TRUE)
cnstnts$D_c0 = NULL
expect_error(constants(cnstnts))
})
test_that("removes an improper parameter", {
cnstnts = make_constants(use_tealeaves = FALSE)
cnstnts$foo = set_units(1)
cnstnts %<>% constants(use_tealeaves = FALSE)
expect_true(is.null(cnstnts$foo))
})
test_that("f_nu returns a list of two numbers", {
cnstnts = make_constants(use_tealeaves = FALSE)
T_high = set_units(298.15, "K")
T_low = set_units(300, "K")
nu = cnstnts$f_nu(
set_units(3999), "forced",
T_high, T_low, "lower", FALSE
)
expect_true(is.list(nu))
expect_true(length(nu) == 2L)
expect_true(length(nu[[1]]) == 1L)
expect_true(length(nu[[2]]) == 1L)
expect_true(is.numeric(nu[[1]]))
expect_true(is.numeric(nu[[2]]))
nu = cnstnts$f_nu(
set_units(4001), "forced",
T_high, T_low, "lower", FALSE
)
expect_true(is.list(nu))
expect_true(length(nu) == 2L)
expect_true(length(nu[[1]]) == 1L)
expect_true(length(nu[[2]]) == 1L)
expect_true(is.numeric(nu[[1]]))
expect_true(is.numeric(nu[[2]]))
nu = cnstnts$f_nu(
set_units(1), "free",
T_high, T_low, "lower", FALSE
)
expect_true(is.list(nu))
expect_true(length(nu) == 2L)
expect_true(length(nu[[1]]) == 1L)
expect_true(length(nu[[2]]) == 1L)
expect_true(is.numeric(nu[[1]]))
expect_true(is.numeric(nu[[2]]))
nu = cnstnts$f_nu(
set_units(1), "free",
T_high, T_low, "upper", FALSE
)
expect_true(is.list(nu))
expect_true(length(nu) == 2L)
expect_true(length(nu[[1]]) == 1L)
expect_true(length(nu[[2]]) == 1L)
expect_true(is.numeric(nu[[1]]))
expect_true(is.numeric(nu[[2]]))
nu1 = cnstnts$f_nu(
set_units(1), "free",
T_high, T_low, "lower", FALSE
)
nu2 = cnstnts$f_nu(
set_units(1), "free",
T_low, T_high, "upper", FALSE
)
expect_equal(nu1, nu2)
expect_error(cnstnts$f_nu(
set_units(1), "foo",
T_high, T_low, "lower"
))
})
test_that("f_sh returns a vector of one unitless number of numeric
class", {
cnstnts = make_constants(use_tealeaves = FALSE)
sh = cnstnts$f_sh("forced")
expect_true(length(sh) == 1L)
expect_true(is(sh, "numeric"))
expect_true(!is(sh, "units"))
sh = cnstnts$f_sh("free")
expect_true(length(sh) == 1L)
expect_true(!is(sh, "units"))
})
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