Nothing
library(dplyr)
context("Testing 'count_models_that_predict_synergies'")
test_that("it returns correct results", {
df = model_predictions_df # from R/sysdata.rda
expect_equal(count_models_that_predict_synergies(drug.comb.vec = character(0),
model.predictions = df), 25)
expect_equal(count_models_that_predict_synergies(drug.comb.vec = c('g-o'),
model.predictions = df), 360)
expect_equal(count_models_that_predict_synergies(drug.comb.vec = c('b-m'),
model.predictions = df), 312)
expect_equal(count_models_that_predict_synergies(drug.comb.vec = c('r-u'),
model.predictions = df), 329)
expect_equal(count_models_that_predict_synergies(drug.comb.vec = c('g-o', 'b-m'),
model.predictions = df), 119)
expect_equal(count_models_that_predict_synergies(drug.comb.vec = c('b-m', 'g-o'),
model.predictions = df), 119)
expect_equal(count_models_that_predict_synergies(drug.comb.vec = c('r-u','w-x','n-s','c-y'),
model.predictions = df), 13)
expect_equal(count_models_that_predict_synergies(drug.comb.vec = c('r-u','w-x','n-s','c-y','b-m'),
model.predictions = df), 5)
expect_equal(count_models_that_predict_synergies(colnames(df), model.predictions = df), 0)
})
context("Testing 'calculate_mcc'")
test_that("it returns proper results", {
tp = c(0, 2, 0, 1, 1)
fp = c(2, 2, 0, 0, 1)
tn = c(145, 145, 145, 1, 0)
fn = c(5, 4, 3, 0, 0)
expect_equal(calculate_mcc(tp, tn, fp, fn), c(-0.0213, 0.3889, 0, 1, 0), tolerance = 0.0001)
})
context("Testing 'calculate_models_mcc'")
test_that("it returns proper results", {
df = model_predictions_df %>% as.data.frame() # from R/sysdata.rda
dff = df[1:5,]
rownames(dff) = c("model1", "model2", "model3", "model4", "model5")
obs = dff %>% select(`d-e`, `r-u`)
unobs = dff %>% select(`i-k`, `g-o`)
res = calculate_models_mcc(observed.model.predictions = obs,
unobserved.model.predictions = unobs,
number.of.drug.comb.tested = 2+2)
expect_equal(unname(res), c(0.5773503, 0, -0.5773503, 0, 0.5773503), tolerance = 0.0001)
expect_equal(names(res), c("model1", "model2", "model3", "model4", "model5"))
})
context("Testing 'get_observed_model_predictions' and 'get_unobserved_model_predictions'")
test_that("it returns proper results", {
df = model_predictions_df %>% as.data.frame() # from R/sysdata.rda
dff = df[1:5,]
rownames(dff) = c("model1", "model2", "model3", "model4", "model5")
res = get_observed_model_predictions(model.predictions = dff,
observed.synergies = c("d-e", "r-u"))
expect_equal(dim(res), c(5,2))
res2 = get_unobserved_model_predictions(model.predictions = dff,
observed.synergies = c("i-k", "g-o", "w-x", "n-s", "f-l", "b-m", "c-y", "z-a"))
expect_equal(dim(res2), c(5,2))
expect_identical(res, res2)
# 1 column selection
res3 = get_observed_model_predictions(model.predictions = dff,
observed.synergies = "d-e")
expect_equal(dim(res3), c(5,1))
res4 = get_unobserved_model_predictions(model.predictions = dff,
observed.synergies = c("r-u", "i-k", "g-o", "w-x", "n-s", "f-l", "b-m", "c-y", "z-a"))
expect_equal(dim(res4), c(5,1))
expect_identical(res3, res4)
})
context("Testing 'get_synergy_subset_stats' and 'get_synergy_comparison_sets'")
test_that("it returns proper results", {
df = model_predictions_df %>% as.data.frame() # from R/sysdata.rda
res = get_synergy_subset_stats(model.predictions = df,
synergies = c("r-u", "i-k", "g-o", "f-l"))
expect_equal(unname(res[1]), 25)
expect_equal(unname(res["r-u"]), 329)
expect_equal(unname(res["r-u,i-k"]), 111)
expect_equal(unname(res["r-u,f-l"]), 111)
expect_equal(unname(res["g-o,f-l"]), 120)
expect_equal(unname(res["r-u,i-k,g-o"]), 44)
expect_equal(unname(res["r-u,i-k,g-o,f-l"]), 13)
res3_df = get_synergy_comparison_sets(synergy.subset.stats = res)
expect_equal(dim(res3_df), c(28, 3))
res4 = res3_df %>% filter(sets == "i-k,g-o")
expect_equal(dim(res4), c(2, 3))
expect_equal(res4 %>% pull(synergies), c("g-o", "i-k"))
expect_equal(res4 %>% pull(sets), rep("i-k,g-o", 2))
expect_equal(res4 %>% pull(subsets), c("i-k", "g-o"))
})
context("Testing 'update_biomarker_files'")
test_that("it returns proper results", {
biomarkers.dir = system.file("extdata", "biomarkers", package = "emba", mustWork = TRUE)
# copy files to tmpdir() (so later changes will be reflected there)
biomarker.files = list.files(biomarkers.dir)
source = file.path(biomarkers.dir, biomarker.files)
temp.dir = tempdir()
file.copy(from = source, to = temp.dir)
# define new biomarkers
biomarkers.active.new = c(0.8, 0.9)
names(biomarkers.active.new) = c("A2", "B2")
biomarkers.inhibited.new = c(-0.8, -0.99)
names(biomarkers.inhibited.new) = c("B3", "B4")
# for not skipping the test (the functions below just change files)
expect_equal(unname(biomarkers.active.new), c(0.8, 0.9))
update_biomarker_files(biomarkers.dir = temp.dir, drug.comb = "A-B",
biomarkers.active.new = biomarkers.active.new,
biomarkers.inhibited.new = biomarkers.inhibited.new, method = "replace")
update_biomarker_files(biomarkers.dir = temp.dir, drug.comb = "A-B",
biomarkers.active.new = biomarkers.active.new,
biomarkers.inhibited.new = biomarkers.inhibited.new, method = "extend")
update_biomarker_files(biomarkers.dir = temp.dir, drug.comb = "A-B",
biomarkers.active.new = biomarkers.active.new[1],
biomarkers.inhibited.new = biomarkers.inhibited.new[1], method = "prune.to.common")
# no common biomarkers
update_biomarker_files(biomarkers.dir = temp.dir, drug.comb = "A-B",
biomarkers.active.new = biomarkers.inhibited.new[1],
biomarkers.inhibited.new = biomarkers.active.new[1])
# remove files: just save the new biomarkers
file.remove(paste0(temp.dir, "/A-B_biomarkers_active"))
file.remove(paste0(temp.dir, "/A-B_biomarkers_inhibited"))
update_biomarker_files(biomarkers.dir = temp.dir, drug.comb = "A-B",
biomarkers.active.new = biomarkers.active.new,
biomarkers.inhibited.new = biomarkers.inhibited.new)
# cleanup
file.remove(paste0(temp.dir, "/A-B_biomarkers_active"))
file.remove(paste0(temp.dir, "/A-B_biomarkers_inhibited"))
})
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