tests/testthat/test-makeLabels.R

In UofABioinformaticsHub/fastqcReports: Load FastqQC reports and other NGS related files

test_that(".makeLabels errors correctly with missing Filename column",{
    df <- data.frame()
    expect_error(.makeLabels(df))
})

test_that(".makeLabels handles missing labels correctly",{
    df <- data.frame(Filename = "file.fq", stringsAsFactors = FALSE)
    expect_equal(.makeLabels(df), structure("file", names = "file.fq"))
})

test_that(".makeLabels handles label mismatches",{
    df <- data.frame(Filename = "", stringsAsFactors = FALSE)
    labs <- "x"
    expect_error(.makeLabels(df, labels = labs))
})

test_that(".makeLabels handles duplicated labels",{
    df <- data.frame(Filename = rep("file.fq", 2), stringsAsFactors = FALSE)
    expect_error(.makeLabels(df, labels = c(file.fq = "file", file.fq = "file")))
})

test_that(".makeLabels correctly checks for data.frame",{
    df <- c()
    expect_error(.makeLabels(df))
})

test_that(".makeLabels correctly removes all suffixes",{
    suf <- c("fq", "fastq", "fq.gz", "fastq.gz", "bam", "sam", "cram")
    df <- data.frame(
        Filename = paste(LETTERS[seq_along(suf)], suf, sep = "."),
        stringsAsFactors = FALSE
    )
    trueOut <- structure(LETTERS[seq_along(suf)], names = df$Filename)
    expect_equal(.makeLabels(df), trueOut)
})