Nothing
# Test "run_model" function using wolves data
context("Run JAGS model")
test_that("Error messages work",{
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")
source <- load_source_data(filename=source.filename, source_factors="Region",
conc_dep=FALSE, data_type="means", mix)
discr.filename <- system.file("extdata", "wolves_discrimination.csv", package = "MixSIAR")
discr <- load_discr_data(filename=discr.filename, mix)
run <- list(chainLength=3, burn=1, thin=1, chains=3, calcDIC=TRUE)
model_filename <- "MixSIAR_model.txt"
# process and resid error cannot both be false
resid_err <- FALSE; process_err <- FALSE
expect_error(write_JAGS_model(model_filename, resid_err, process_err, mix, source))
# if mix$N==1, must choose process error only (MixSIR)
mix$N <- 1
resid_err <- TRUE; process_err <- FALSE;
expect_error(write_JAGS_model(model_filename, resid_err, process_err, mix, source))
resid_err <- TRUE; process_err <- TRUE;
expect_error(write_JAGS_model(model_filename, resid_err, process_err, mix, source))
# Error checks on alpha prior
mix$N <- 66 # put N back to what it should be
write_JAGS_model(model_filename, resid_err, process_err, mix, source)
expect_error(run_model(run, mix, source, discr, model_filename, alpha.prior = "blah"))
expect_error(run_model(run, mix, source, discr, model_filename, alpha.prior = 1:5))
expect_error(run_model(run, mix, source, discr, model_filename, alpha.prior = 0:2))
# # cannot set informative prior on model with fixed effect
# mix$n.fe <- 1
# expect_error(run_model(run, mix, source, discr, model_filename,
# alpha.prior = 1:3, resid_err=TRUE, process_err=TRUE))
file.remove(model_filename)
})
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