Nothing
effect4tolerance <- function(tolerance) {
mf <- epx(minnow_it,level=50,effect_tolerance=tolerance,ep_only=TRUE)[[1,1]]
effect(minnow_it, factor=mf, ep_only=TRUE)
}
test_that("effect levels", {
# avoid some common bogus messages on package load
suppressMessages(suppressWarnings(require(purrr, quietly=TRUE)))
## requested effect levels
expect_named(epx(minnow_it,level=23),c("scenario","L.EP23"))
expect_named(epx(minnow_it,level=c(10,20)),c("scenario","L.EP10","L.EP20"))
})
test_that("effect_tolerance", {
## effect.tolerance
## result are getting more precise if we decrease the tolerance
exact <- effect4tolerance(1e-10)
expect_gt(abs(exact-effect4tolerance(1e-1)), abs(exact-effect4tolerance(1e-2)))
expect_gt(abs(exact - effect4tolerance(1e-1)), 0.01)
expect_lt(abs(exact - effect4tolerance(1e-1)), 1e-1)
expect_lt(abs(exact - effect4tolerance(1e-2)), 1e-2)
expect_lt(abs(exact - effect4tolerance(1e-3)), 1e-3)
expect_lt(abs(exact - effect4tolerance(1e-4)), 1e-4)
rm(exact)
})
test_that("min/max factor", {
scen <- set_exposure(minnow_it, data.frame(t=1:5,c=1e-5)) # low exposure
expect_warning(epx(scen,level=50,max_factor=1e3),regexp="multiplication factor out of range")
scen <- set_exposure(minnow_it, data.frame(t=1:5,c=1e5)) # high exposure
expect_warning(epx(scen,level=50,min_factor=1e-3),regexp="multiplication factor out of range")
rm(scen)
# one of two effect level fails, i.e. BM.EP50
expect_warning(metsulfuron %>% set_endpoints("BM") %>% epx())
suppressWarnings(rs <- metsulfuron %>% set_endpoints("BM") %>% epx())
expect_equal(rs[[1,"BM.EP10"]], 0.395, tolerance=0.1)
expect_equal(rs[[1,"BM.EP50"]], NA_real_)
})
test_that("factor cutoff", {
cutoff <- 2000
scen <- set_exposure(minnow_it, data.frame(t=1:5,c=1e-5))
expect_true(all(epx(scen,ep_only=TRUE) > cutoff))
expect_true(all(epx(scen,factor_cutoff=cutoff,ep_only=TRUE) == cutoff))
rm(cutoff)
})
test_that("ep_only", {
source(test_path("dummy.R"), local = TRUE)
sc <- new("DummyScenario", endpoints="foo", fx=function(scenario, ...) {
return(c(foo=scenario@exposure@series[1, 2]))
})
# single scenario, single EPx level
rs <- epx(sc, level=10, ep_only=TRUE)
expect_equal(nrow(rs), 1)
expect_equal(names(rs), "foo.EP10")
expect_equal(rs[[1, 1]], 0.1)
# two scenarios, a two EPx levels
rs <- epx(c(sc, sc), level=c(10, 50), ep_only=TRUE, effect_tolerance = 1e-5)
expect_equal(nrow(rs), 2)
expect_equal(names(rs), c("foo.EP10","foo.EP50"))
expect_equal(rs[[1, 1]], 0.1)
expect_equal(rs[[1, 2]], 0.5, tolerance=1e-5)
})
test_that("long_format", {
source(test_path("dummy.R"), local = TRUE)
sc <- new("DummyScenario", endpoints="foo", fx=function(scenario, ...) {
return(c(foo=scenario@exposure@series[1, 2]))
})
# single scenario, single EPx level
rs <- epx(sc, level=10, long_format=TRUE)
expect_equal(nrow(rs), 1)
expect_equal(names(rs), c("scenario","endpoint","level","EPx"))
# single scenario, two EPx levels
rs <- epx(sc, level=c(10, 50), long_format=TRUE)
expect_equal(nrow(rs), 2)
# two scenarios, a two EPx levels
rs <- epx(c(sc,sc), level=c(10, 50), long_format=TRUE)
expect_equal(nrow(rs), 4)
expect_equal(names(rs), c("scenario","endpoint","level","EPx"))
# again, but only endpoints=TRUE
rs <- epx(c(sc,sc), level=c(10, 50), long_format=TRUE, ep_only=TRUE)
expect_equal(nrow(rs), 4)
expect_equal(names(rs), c("endpoint","level","EPx"))
})
test_that("error handling", {
source(test_path("dummy.R"), local = TRUE)
# single scenario, simulation fails
sc <- new("DummyScenario", endpoints="foo", fx=function(...) stop("planned error"))
expect_warning(rs <- epx(sc, level=10))
expect_equal(names(rs), c("scenario","foo.EP10", "error"))
expect_true(is.na(rs[['foo.EP10']]))
expect_equal(rs[['error']], "planned error")
# single scenario, two levels, one without valid results
sc <- new("DummyScenario", endpoints="foo", fx=function(scenario, ...) {
c <- scenario@exposure@series[1, 2]
if(c > 60) return(NA_real_)
return(c(foo=c/100))
})
expect_warning(rs <- epx(sc, level=c(10,90)), "Some scenarios have failed")
expect_equal(names(rs), c("scenario","foo.EP10", "foo.EP90"))
expect_equal(rs[['foo.EP10']], 10)
expect_true(is.na(rs[['foo.EP90']]))
# two scenarios, one passes, one fails
sc1 <- new("DummyScenario", endpoints="foo", simulate=function(...) stop("planned error"))
sc2 <- new("DummyScenario", endpoints="foo", fx=function(scenario, ...) {
return(c(foo=scenario@exposure@series[1, 2]))
})
expect_warning(rs <- epx(list(sc1, sc2))) # continue with warning
expect_true(all(!is.na(rs[2,c("foo.EP10","foo.EP50")]))) # EPx present
expect_true(is.na(rs[2,"error"])) # no error msg
expect_true(all(is.na(rs[1,c("foo.EP10","foo.EP50")]))) # no EPx
expect_true(!is.na(rs[1,"error"])) # error msg
rm(rs)
# two scenarios, both failed
expect_warning(rs <- epx(list(sc1, sc1), level=10))
expect_equal(names(rs), c("scenario","foo.EP10", "error"))
expect_true(all(is.na(rs[1:2,2])))
expect_true(all(!is.na(rs[1:2,3])))
})
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