Nothing
# Test "load_source_data" function using wolves data
context("Load source data")
test_that("Error messages work",{
# Correctly loaded wolves mixture data
mix.filename <- system.file("extdata", "wolves_consumer.csv", package = "MixSIAR")
mix <- load_mix_data(filename=mix.filename,
iso_names=c("d13C","d15N"),
factors=c("Region","Pack"),
fac_random=c(TRUE,TRUE),
fac_nested=c(FALSE,TRUE),
cont_effects=NULL)
source.filename <- system.file("extdata", "wolves_sources.csv", package = "MixSIAR")
# 1. cannot have > 1 source factor
expect_error(load_source_data(filename=source.filename,
source_factors=c("Region","Pack"),
conc_dep=FALSE,
data_type="means", mix))
# 2. source factor must be in colnames(SOURCE)
expect_error(load_source_data(filename=source.filename,
source_factors=c("blah"),
conc_dep=FALSE,
data_type="means", mix))
# 3. source factor must be in mix$factors
# load mix data again with NO FACTORS
mix2 <- load_mix_data(filename=mix.filename,
iso_names=c("d13C","d15N"),
factors=NULL,
fac_random=NULL,
fac_nested=NULL,
cont_effects=NULL)
expect_error(load_source_data(filename=source.filename,
source_factors=c("Region"),
conc_dep=FALSE,
data_type="means", mix2))
# 4. If conc_dep, must be of form 'Concd13C'
expect_error(load_source_data(filename=source.filename,
source_factors=c("Region"),
conc_dep=TRUE,
data_type="means", mix))
# 5. If raw source data, mix$iso_names must be in colnames(SOURCE)
# not tested here - would need to create another .csv data file
# lines 121-124 of 'load_source_data.R'
# 6. If means + SD source data, 'Mean' and 'SD' + mix$iso_names must be
# in colnames(SOURCE). Not tested here as above.
# 7. If means + SD source data, 'n' must be in colnames(SOURCE).
# Not tested here as above.
# 8. If source SD = 0, throw error. Not tested here as above.
})
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