Nothing
hepseq_name <- "Hepcidin"
hepseq <- "MALTVRIQAACLLLLLLASLTSYSLLLSQTTQLADLQTQDTAGATAGLMPGLQRRRRRDTHFPICIFCCGCCYPSKCGICCKT"
hepseq_df <- data.frame(hepseq_name, hepseq, stringsAsFactors = FALSE)
test_that("predict_amps gives a data frame with correct dimensions", {
result <- predict_amps(hepseq_df)
expect_s3_class(result,"data.frame")
expect_equal(
dim(result),
c(1,3))
})
test_that("predict_amps works when input contains invalid aa sequences", {
test_df <- data.frame(names=c("A","B","C"),seq=c(hepseq,paste(hepseq,"%",sep=""),substring(hepseq,1,30)), stringsAsFactors = FALSE)
result <- predict_amps(test_df)
expect_s3_class(result,"data.frame")
expect_equal(
dim(result),
c(3,3))
expect_equal(
rowSums(is.na(result)),
c(0,1,0))
})
test_that("predict_amps works when input contains invalid aa sequences and short sequences", {
test_df <- data.frame(names=c("A","B","C"),seq=c(hepseq,paste(hepseq,"%",sep=""),substring(hepseq,1,3)), stringsAsFactors = FALSE)
result <- predict_amps(test_df)
expect_s3_class(result,"data.frame")
expect_equal(
dim(result),
c(3,3))
expect_equal(
rowSums(is.na(result)),
c(0,1,1))
})
test_that("predict_amps works when input contains sequences exactly equal to min_len", {
min_len = 8
test_df <- data.frame(names=c("A"),substring(hepseq,1,min_len), stringsAsFactors = FALSE)
result <- predict_amps(test_df,min_len)
expect_s3_class(result,"data.frame")
expect_equal(
dim(result),
c(1,3))
expect_equal(
rowSums(is.na(result)),
c(0))
})
test_that("predict_amps works when input contains only invalid sequences", {
min_len = 8
test_df <- data.frame(names=c("A"),substring(hepseq,1,min_len-2), stringsAsFactors = FALSE)
result <- predict_amps(test_df,min_len)
expect_s3_class(result,"data.frame")
expect_equal(
dim(result),
c(1,3))
expect_equal(
rowSums(is.na(result)),
c(1))
})
test_that("predict_amps works with explicitly specified precursor model", {
skip_on_os('windows')
test_df <- data.frame(names=c("A","B","C"),seq=c(hepseq,hepseq,hepseq), stringsAsFactors = FALSE)
result <- predict_amps(test_df, model = "precursor")
expect_s3_class(result,"data.frame")
expect_equal(
dim(result),
c(3,3))
expect_equal(
rowSums(is.na(result)),
c(0,0,0))
})
test_that("predict_amps works with explicitly specified mature model", {
test_df <- data.frame(names=c("A","B","C"),seq=c(hepseq,hepseq,hepseq), stringsAsFactors = FALSE)
result <- predict_amps(test_df, model = "mature")
expect_s3_class(result,"data.frame")
expect_equal(
dim(result),
c(3,3))
expect_equal(
rowSums(is.na(result)),
c(0,0,0))
})
test_that("predict_amps gives an error when invalid model specified", {
test_df <- data.frame(names=c("A","B","C"),seq=c(hepseq,hepseq,hepseq), stringsAsFactors = FALSE)
expect_error(predict_amps(test_df, model = "invalidxxx"),"Unknown model invalidxxx provided*")
})
test_that("predict_amps gives an error when NULL model specified", {
test_df <- data.frame(names=c("A","B","C"),seq=c(hepseq,hepseq,hepseq), stringsAsFactors = FALSE)
expect_error(predict_amps(test_df, model = NULL),"No model*")
})
test_that("predict_amps gives an error when model includes non-ampir features", {
test_df <- data.frame(names=c("A","B","C"),seq=c(hepseq,hepseq,hepseq), stringsAsFactors = FALSE)
fake_model <- list(coefnames = c("blah","blah1"))
expect_error(predict_amps(test_df, model = fake_model),"One or more*")
})
test_that("predict_amps gives an error when sequences are not characters", {
test_df <- data.frame(name="Hepcidin",seq="MALTVRIQAACLLLLLLASLTSYSLLLSQTTQLADLQTQDTAGATAGLMPGLQRRRRRDTHFPICIFCCGCCYPSKCGICCKT", stringsAsFactors = TRUE)
expect_error(predict_amps(test_df),"Sequences are required*")
})
test_that("predict_amps works when sequences contain a stop codon at the end", {
test_data <- data.frame(name = c("withstop","nostop"),
seq=c("DKLIGSCVWGAVNYTSDCNGECKRRGYKGGHCGSFANVNCWCET*",
"DKLIGSCVWGAVNYTSDCNGECKRRGYKGGHCGSFANVNCWCET"),
stringsAsFactors = FALSE)
result <- predict_amps(test_data)
expect_s3_class(result,"data.frame")
expect_equal(
dim(result),
c(2,3))
expect_equal(
rowSums(is.na(result)),
c(0,0))
})
test_that("predict_amps works with multiple cores", {
skip_on_os('windows')
test_df <- readRDS("../testdata/xbench.rds")
result_1core <- predict_amps(test_df, n_cores = 1)
expect_equal(
dim(result_1core),
c(16,3))
result_2core <- predict_amps(test_df, n_cores = 2)
expect_equal(
result_1core,
result_2core)
})
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