wf-transcriptomes-v202/bin/workflow_glue_r/tests/testthat/test_bambu.R
2026-05-22 10:23:21 +00:00

1431 lines
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R

#' These tests cover the validation logic owned by supeRglue bambu before bambu
#' itself is invoked: mode-specific inputs, explicit BAM aliases, sample-sheet
#' alignment, transcriptome mode selection, NDR handling, and chunk collation.
#'
#' NOTE: Annotation/reference preparation is handled by Python
#' (bin/workflow_glue/prepare_annotation_reference.py) with pytest coverage.
#' These tests focus on bambu-specific validation and integration.
# Workflow requires an explicit mode plus the appropriate inputs for that mode.
# Fail fast with clear errors rather than passing invalid inputs to bambu.
testthat::test_that("mode-specific bambu inputs required", {
args <- workflow_glue_r_normalise_args(
list(mode = "discover", out_dir = tempfile("bambu-out-")),
bambu_arg_spec()
)
testthat::expect_error(
bambu_validate_args(args),
"Missing required arguments: --bams, --aliases, --annotation, --genome"
)
args$bams <- "sampleA.bam"
testthat::expect_error(
bambu_validate_args(args),
"Missing required arguments: --aliases, --annotation, --genome"
)
args$aliases <- "sampleA"
args$annotation <- "annotation.gtf"
args$genome <- "genome.fa"
testthat::expect_silent(bambu_validate_args(args))
quant_args <- workflow_glue_r_normalise_args(
list(mode = "quant", out_dir = tempfile("bambu-out-")),
bambu_arg_spec()
)
testthat::expect_error(
bambu_validate_args(quant_args),
"Missing required arguments: --chunk_rds, --discovered_annotation_rds, --genome"
)
quant_args$chunk_rds <- "chunk.rds"
quant_args$discovered_annotation_rds <- "annotations.rds"
quant_args$genome <- "genome.fa"
testthat::expect_silent(bambu_validate_args(quant_args))
collate_args <- workflow_glue_r_normalise_args(
list(mode = "collate", out_dir = tempfile("bambu-out-")),
bambu_arg_spec()
)
testthat::expect_error(
bambu_validate_args(collate_args),
"Missing required arguments: --chunk_dirs"
)
collate_args$chunk_dirs <- "chunkA,chunkB"
testthat::expect_silent(bambu_validate_args(collate_args))
empty_args <- workflow_glue_r_normalise_args(
list(mode = "empty", out_dir = tempfile("bambu-out-")),
bambu_arg_spec()
)
testthat::expect_error(
bambu_validate_args(empty_args),
"Missing required arguments: --aliases"
)
empty_args$aliases <- "sampleA,sampleB"
testthat::expect_silent(bambu_validate_args(empty_args))
})
# transcriptome_mode must be "discover" or "fixed_annotation".
# NDR (Novel Discovery Rate) must be between 0 and 1 when provided.
testthat::test_that("invalid discovery settings rejected", {
args <- list(
mode = "discover",
annotation = "annotation.gtf",
genome = "genome.fa",
out_dir = tempfile("bambu-out-"),
bams = "sampleA.bam",
aliases = "sampleA",
transcriptome_mode = "novel",
ndr = NULL
)
testthat::expect_error(
workflow_glue_r_normalise_args(args, bambu_arg_spec()),
"transcriptome_mode must be one of"
)
args$transcriptome_mode <- "discover"
args$ndr <- -0.01
testthat::expect_error(
workflow_glue_r_normalise_args(args, bambu_arg_spec()),
"NDR .* must be between 0 and 1"
)
args$ndr <- 1.01
testthat::expect_error(
workflow_glue_r_normalise_args(args, bambu_arg_spec()),
"NDR .* must be between 0 and 1"
)
args$ndr <- 0
testthat::expect_silent(workflow_glue_r_normalise_args(args, bambu_arg_spec()))
args$ndr <- 1
testthat::expect_silent(workflow_glue_r_normalise_args(args, bambu_arg_spec()))
})
# Fail fast if --bams is empty rather than passing empty input to bambu.
testthat::test_that("empty BAM list rejected", {
args <- list(
bams = "",
aliases = "",
sample_sheet = NULL
)
testthat::expect_error(
bambu_resolve_inputs(args, bamfile_list_ctor = function(paths, yieldSize) paths),
"No BAM files were provided in --bams"
)
})
# Sample aliases must be unique and explicitly specified.
# Sample sheets must have an 'alias' column with unique values that match BAM inputs.
testthat::test_that("unique sample aliases required", {
args <- list(
bams = "sampleA.bam,sampleB.bam",
aliases = "sampleA,sampleA",
sample_sheet = NULL
)
testthat::expect_error(
bambu_resolve_inputs(args, bamfile_list_ctor = function(paths, yieldSize) paths),
"BAM aliases must be unique"
)
args$aliases <- "sampleA"
testthat::expect_error(
bambu_resolve_inputs(args, bamfile_list_ctor = function(paths, yieldSize) paths),
"Provide one alias per BAM in --bams"
)
missing_alias_sheet <- tempfile(fileext = ".csv")
writeLines(
paste(
"condition",
"control",
sep = "\n"
),
missing_alias_sheet
)
args <- list(
bams = "sampleA.bam",
aliases = "sampleA",
sample_sheet = missing_alias_sheet
)
testthat::expect_error(
bambu_resolve_inputs(args, bamfile_list_ctor = function(paths, yieldSize) paths),
"Sample sheet must contain an 'alias' column"
)
duplicate_alias_sheet <- tempfile(fileext = ".csv")
writeLines(
paste(
"alias,condition",
"sampleA,control",
"sampleA,treated",
sep = "\n"
),
duplicate_alias_sheet
)
args$sample_sheet <- duplicate_alias_sheet
testthat::expect_error(
bambu_resolve_inputs(args, bamfile_list_ctor = function(paths, yieldSize) paths),
"Sample sheet aliases must be unique"
)
})
# Sample sheet rows must align with BAM file order.
# If sheet lists samples in different order than CLI aliases, reorder sheet to match.
# If sheet is missing aliases found in BAMs, fail.
testthat::test_that("sample sheet reordered to match BAMs", {
sample_sheet <- tempfile(fileext = ".csv")
writeLines(
paste(
"alias,condition",
"sampleB,treated",
"sampleA,control",
sep = "\n"
),
sample_sheet
)
args <- list(
bams = "sampleA.aligned.sorted.bam,sampleB.bam",
aliases = "sampleA,sampleB",
sample_sheet = sample_sheet
)
resolved <- bambu_resolve_inputs(
args,
bamfile_list_ctor = function(paths, yieldSize) paths
)
testthat::expect_equal(resolved$aliases, c("sampleA", "sampleB"))
testthat::expect_equal(resolved$sample_df$alias, c("sampleA", "sampleB"))
testthat::expect_equal(resolved$sample_df$condition, c("control", "treated"))
bad_sheet <- tempfile(fileext = ".csv")
writeLines(
paste(
"alias,condition",
"sampleA,control",
sep = "\n"
),
bad_sheet
)
args$sample_sheet <- bad_sheet
testthat::expect_error(
bambu_resolve_inputs(args, bamfile_list_ctor = function(paths, yieldSize) paths),
"Sample sheet is missing alias rows"
)
})
testthat::test_that("numeric alias and sample_id values are preserved as strings", {
sample_sheet <- tempfile(fileext = ".csv")
writeLines(
paste(
"barcode,sample_id,alias,condition",
"barcode01,01,01,control",
"barcode02,02,02,treated",
sep = "\n"
),
sample_sheet
)
args <- list(
bams = "sample1.bam,sample2.bam",
aliases = "01,02",
sample_sheet = sample_sheet
)
resolved <- bambu_resolve_inputs(
args,
bamfile_list_ctor = function(paths, yieldSize) paths
)
testthat::expect_equal(resolved$aliases, c("01", "02"))
testthat::expect_equal(resolved$sample_df$alias, c("01", "02"))
testthat::expect_equal(resolved$sample_df$sample_id, c("01", "02"))
testthat::expect_type(resolved$sample_df$alias, "character")
testthat::expect_type(resolved$sample_df$sample_id, "character")
})
# Explicit discovery/quant flags are passed through to bambu consistently.
# NDR is only passed during discovery and omitted when automatic selection is wanted.
testthat::test_that("bambu args include requested discovery and quant flags", {
annotation_obj <- structure(list(annotation = TRUE), class = "mockAnnotation")
args <- list(
genome = "genome.fa",
transcriptome_mode = "discover",
ndr = 0.2
)
discover <- bambu_build_args(
args,
reads = "sample.bam",
annotation_obj = annotation_obj,
discovery = TRUE,
quant = FALSE
)
testthat::expect_true(discover$discovery)
testthat::expect_false(discover$quant)
testthat::expect_equal(discover$NDR, 0.2)
testthat::expect_equal(discover$ncore, 1L)
testthat::expect_true(discover$lowMemory)
testthat::expect_equal(discover$yieldSize, 250000L)
args$ndr <- NULL
auto_ndr <- bambu_build_args(
args,
reads = "sample.bam",
annotation_obj = annotation_obj,
discovery = TRUE,
quant = FALSE
)
testthat::expect_false("NDR" %in% names(auto_ndr))
quant <- bambu_build_args(
args,
reads = "sample.bam",
annotation_obj = annotation_obj,
discovery = FALSE,
quant = TRUE
)
testthat::expect_false(quant$discovery)
testthat::expect_true(quant$quant)
testthat::expect_false("NDR" %in% names(quant))
})
# Discover mode should write reusable rcFiles, discovered annotations, and chunk bundles.
# This is the scatter source for later per-chromosome quantification.
testthat::test_that("discover mode writes chunked rc outputs", {
fixture_dir <- tempfile("bambu-discover-mode-")
dir.create(fixture_dir)
bam_dir <- file.path(fixture_dir, "bams")
dir.create(bam_dir)
sample_a <- file.path(bam_dir, "sampleA.aligned.sorted.bam")
sample_b <- file.path(bam_dir, "sampleB.bam")
file.create(sample_b)
file.create(sample_a)
sample_sheet <- file.path(fixture_dir, "sample_sheet.csv")
writeLines(
paste(
"alias,condition",
"sampleB,treated",
"sampleA,control",
sep = "\n"
),
sample_sheet
)
captured <- new.env(parent = emptyenv())
fake_bamfile_list <- function(paths, yieldSize) {
captured$bamfile_paths <- paths
captured$yield_size <- yieldSize
structure(paths, names = c("sampleA", "sampleB"), class = "mockBamFileList")
}
make_rc_sample <- function(alias) {
rcf <- make_test_tx_se(sample_names = alias)
S4Vectors::mcols(SummarizedExperiment::rowRanges(rcf))$chr.rc <- c("chr1", "chr1", "chr2", "chr2")
rcf
}
fake_analysis <- function(
reads,
annotations,
genome,
ncore,
discovery,
quant,
lowMemory,
yieldSize,
verbose,
NDR = NULL
) {
captured$calls <- c(captured$calls, list(list(
reads = reads,
annotations = annotations,
genome = genome,
ncore = ncore,
discovery = discovery,
quant = quant,
lowMemory = lowMemory,
yieldSize = yieldSize,
verbose = verbose,
NDR = NDR
)))
if (!discovery && !quant) {
return(list(
sampleA = make_rc_sample("sampleA"),
sampleB = make_rc_sample("sampleB")
))
}
structure(list(discovered = TRUE), class = "mockDiscoveredAnnotation")
}
args <- workflow_glue_r_normalise_args(
list(
mode = "discover",
annotation = "annotation.gtf",
genome = "genome.fa",
out_dir = file.path(fixture_dir, "out"),
bams = paste(c(sample_a, sample_b), collapse = ","),
aliases = "sampleA,sampleB",
sample_sheet = sample_sheet,
transcriptome_mode = "discover",
ndr = 0.25
),
bambu_arg_spec()
)
result <- suppressMessages(main_run_bambu(
args,
analysis_fn = fake_analysis,
prepare_annotations_fn = function(annotation) {
captured$annotation_path <- annotation
structure(list(path = annotation), class = "mockAnnotation")
},
bamfile_list_ctor = fake_bamfile_list
))
testthat::expect_equal(captured$annotation_path, "annotation.gtf")
testthat::expect_equal(captured$yield_size, 250000L)
testthat::expect_equal(captured$bamfile_paths, c(sample_a, sample_b))
testthat::expect_equal(result$sample_df$alias, c("sampleA", "sampleB"))
testthat::expect_equal(result$sample_df$condition, c("control", "treated"))
testthat::expect_length(captured$calls, 2)
testthat::expect_false(captured$calls[[1]]$discovery)
testthat::expect_false(captured$calls[[1]]$quant)
testthat::expect_true(captured$calls[[1]]$lowMemory)
testthat::expect_equal(captured$calls[[1]]$yieldSize, 250000L)
testthat::expect_equal(captured$calls[[1]]$ncore, 1L)
testthat::expect_true(captured$calls[[2]]$discovery)
testthat::expect_false(captured$calls[[2]]$quant)
testthat::expect_equal(captured$calls[[2]]$NDR, 0.25)
testthat::expect_true(file.exists(file.path(args$out_dir, "bambu_rcfiles.rds")))
testthat::expect_true(file.exists(file.path(args$out_dir, "bambu_discovered_annotations.rds")))
testthat::expect_true(file.exists(file.path(args$out_dir, "chunk_manifest.tsv")))
manifest <- utils::read.delim(
file.path(args$out_dir, "chunk_manifest.tsv"),
check.names = FALSE,
stringsAsFactors = FALSE
)
testthat::expect_equal(sort(manifest$seqname), c("chr1", "chr2"))
chunk_bundle <- readRDS(manifest$rds_path[[1]])
testthat::expect_true("annotation_tx_count" %in% names(manifest))
testthat::expect_true(all(c(
"chunk_id", "seqname", "aliases", "sample_df", "rc_files", "annotation_tx_count"
) %in% names(chunk_bundle)))
testthat::expect_equal(manifest$annotation_tx_count, c(0L, 0L))
testthat::expect_equal(chunk_bundle$aliases, c("sampleA", "sampleB"))
})
testthat::test_that("annotation tx counts are computed once per seqname", {
discovered_annotations <- GenomicRanges::GRangesList(
tx1 = GenomicRanges::GRanges(seqnames = "chr1", ranges = IRanges::IRanges(c(1, 10), width = 5)),
tx2 = GenomicRanges::GRanges(seqnames = "chr1", ranges = IRanges::IRanges(20, width = 5)),
tx3 = GenomicRanges::GRanges(seqnames = "chr2", ranges = IRanges::IRanges(c(30, 40), width = 5))
)
counts <- bambu_annotation_tx_counts_by_seqname(discovered_annotations)
testthat::expect_equal(as.integer(counts[c("chr1", "chr2")]), c(2L, 1L))
testthat::expect_equal(bambu_annotation_tx_count_for_seqname(discovered_annotations, "chr1"), 2L)
testthat::expect_equal(bambu_annotation_tx_count_for_seqname(discovered_annotations, "chr3"), 0L)
})
# Quant mode should consume one chunk bundle and write only raw chunk quantification
# artifacts. Filtering and gene aggregation happen during collate.
testthat::test_that("quant mode writes chunk quantification outputs", {
fixture_dir <- tempfile("bambu-quant-mode-")
dir.create(fixture_dir)
make_rc_sample <- function(alias) {
rcf <- make_test_tx_se(sample_names = alias)
S4Vectors::mcols(SummarizedExperiment::rowRanges(rcf))$chr.rc <- c("chr1", "chr1", "chr1", "chr1")
rcf
}
chunk_bundle <- list(
chunk_id = "chr1",
seqname = "chr1",
annotation_tx_count = 1L,
aliases = c("sampleA", "sampleB"),
sample_df = data.frame(alias = c("sampleA", "sampleB"), stringsAsFactors = FALSE),
rc_files = list(sampleA = make_rc_sample("sampleA"), sampleB = make_rc_sample("sampleB"))
)
chunk_rds <- file.path(fixture_dir, "chr1.rds")
saveRDS(chunk_bundle, chunk_rds)
discovered_annotation_rds <- file.path(fixture_dir, "annotations.rds")
saveRDS(structure(list(discovered = TRUE), class = "mockDiscoveredAnnotation"), discovered_annotation_rds)
captured <- new.env(parent = emptyenv())
fake_analysis <- function(
reads,
annotations,
genome,
ncore,
discovery,
quant,
lowMemory,
yieldSize,
verbose,
...
) {
captured$reads <- reads
captured$annotations <- annotations
captured$genome <- genome
captured$ncore <- ncore
captured$discovery <- discovery
captured$quant <- quant
captured$lowMemory <- lowMemory
captured$yieldSize <- yieldSize
captured$verbose <- verbose
make_test_tx_se(sample_names = c("sampleA", "sampleB"))
}
args <- workflow_glue_r_normalise_args(
list(
mode = "quant",
genome = "genome.fa",
out_dir = file.path(fixture_dir, "out"),
chunk_rds = chunk_rds,
discovered_annotation_rds = discovered_annotation_rds,
transcriptome_mode = "discover",
ndr = NULL
),
bambu_arg_spec()
)
result <- suppressMessages(main_run_bambu(
args,
analysis_fn = fake_analysis
))
testthat::expect_equal(captured$genome, "genome.fa")
testthat::expect_false(captured$discovery)
testthat::expect_true(captured$quant)
testthat::expect_true(captured$lowMemory)
testthat::expect_equal(captured$yieldSize, 250000L)
testthat::expect_equal(result$sample_df$alias, c("sampleA", "sampleB"))
testthat::expect_true(file.exists(file.path(args$out_dir, "bambu_transcripts.rds")))
testthat::expect_true(file.exists(file.path(args$out_dir, "samples.csv")))
testthat::expect_true(file.exists(file.path(args$out_dir, "bambu_qc_stats.json")))
qc <- jsonlite::read_json(file.path(args$out_dir, "bambu_qc_stats.json"), simplifyVector = TRUE)
testthat::expect_equal(qc$chunk_id, "chr1")
testthat::expect_equal(qc$seqname, "chr1")
})
testthat::test_that("quant mode skips chunks with no discovered annotations on the seqname", {
fixture_dir <- tempfile("bambu-quant-empty-chunk-")
dir.create(fixture_dir)
make_rc_sample <- function(alias) {
rcf <- make_test_tx_se(sample_names = alias)
S4Vectors::mcols(SummarizedExperiment::rowRanges(rcf))$chr.rc <- rep(
"chr3_GL000221v1_random",
nrow(rcf)
)
rcf
}
chunk_bundle <- list(
chunk_id = "chr3_GL000221v1_random",
seqname = "chr3_GL000221v1_random",
aliases = c("sampleA", "sampleB"),
sample_df = data.frame(alias = c("sampleA", "sampleB"), stringsAsFactors = FALSE),
rc_files = list(sampleA = make_rc_sample("sampleA"), sampleB = make_rc_sample("sampleB"))
)
chunk_rds <- file.path(fixture_dir, "chr3_GL000221v1_random.rds")
saveRDS(chunk_bundle, chunk_rds)
discovered_annotation_rds <- file.path(fixture_dir, "annotations.rds")
saveRDS(make_test_bambu_row_ranges(fixture_dir), discovered_annotation_rds)
analysis_called <- FALSE
fake_analysis <- function(...) {
analysis_called <<- TRUE
stop("analysis_fn should not be called for chunks with no matching annotations")
}
args <- workflow_glue_r_normalise_args(
list(
mode = "quant",
genome = "genome.fa",
out_dir = file.path(fixture_dir, "out"),
chunk_rds = chunk_rds,
discovered_annotation_rds = discovered_annotation_rds,
transcriptome_mode = "discover",
ndr = NULL
),
bambu_arg_spec()
)
result <- testthat::expect_warning(
suppressMessages(main_run_bambu(
args,
analysis_fn = fake_analysis
)) ,
"contains no transcripts on this seqname"
)
testthat::expect_false(analysis_called)
testthat::expect_equal(result$sample_df$alias, c("sampleA", "sampleB"))
se <- readRDS(file.path(args$out_dir, "bambu_transcripts.rds"))
testthat::expect_equal(nrow(se), 0)
testthat::expect_equal(colnames(se), c("sampleA", "sampleB"))
testthat::expect_equal(
SummarizedExperiment::assayNames(se),
c("counts", "CPM", "fullLengthCounts", "uniqueCounts")
)
testthat::expect_equal(
colnames(S4Vectors::metadata(se)$incompatibleCounts),
c("GENEID", "sampleA", "sampleB")
)
qc <- jsonlite::read_json(file.path(args$out_dir, "bambu_qc_stats.json"), simplifyVector = TRUE)
testthat::expect_equal(qc$chunk_id, "chr3_GL000221v1_random")
testthat::expect_equal(qc$seqname, "chr3_GL000221v1_random")
testthat::expect_equal(qc$total_transcripts_before_filter, 0)
testthat::expect_equal(qc$total_genes_before_filter, 0)
})
testthat::test_that("quant mode catches known uniqueStartLengthQuery/min-Inf edge case and writes empty outputs", {
fixture_dir <- tempfile("bambu-quant-known-edge-")
dir.create(fixture_dir)
chunk_bundle <- list(
chunk_id = "chr1",
seqname = "chr1",
aliases = c("sampleA"),
sample_df = data.frame(alias = c("sampleA"), stringsAsFactors = FALSE),
rc_files = list(sampleA = make_test_tx_se(sample_names = "sampleA")),
annotation_tx_count = 1L
)
chunk_rds <- file.path(fixture_dir, "chr1.rds")
saveRDS(chunk_bundle, chunk_rds)
discovered_annotation_rds <- file.path(fixture_dir, "annotations.rds")
saveRDS(make_test_bambu_row_ranges(fixture_dir), discovered_annotation_rds)
analysis_called <- FALSE
fake_analysis <- function(...) {
analysis_called <<- TRUE
stop(
paste(
"Error in filter(., (uniqueStartLengthQuery <= primarySecondaryDistStartEnd & : In argument: `==...`.",
"Caused by warning in `min()`: no non-missing arguments to min; returning Inf"
),
call. = FALSE
)
}
args <- workflow_glue_r_normalise_args(
list(
mode = "quant",
genome = "genome.fa",
out_dir = file.path(fixture_dir, "out"),
chunk_rds = chunk_rds,
discovered_annotation_rds = discovered_annotation_rds,
transcriptome_mode = "discover",
ndr = NULL,
threads = 2
),
bambu_arg_spec()
)
testthat::expect_warning(
suppressMessages(main_run_bambu(args, analysis_fn = fake_analysis)),
"known bambu chunk edge case"
)
testthat::expect_true(analysis_called)
se <- readRDS(file.path(args$out_dir, "bambu_transcripts.rds"))
testthat::expect_equal(nrow(se), 0)
testthat::expect_equal(colnames(se), c("sampleA"))
})
testthat::test_that("quant mode catches known eqClassById incompatible-type edge case and writes empty outputs", {
fixture_dir <- tempfile("bambu-quant-known-eqclass-edge-")
dir.create(fixture_dir)
chunk_bundle <- list(
chunk_id = "chr2",
seqname = "chr2",
aliases = c("sampleA"),
sample_df = data.frame(alias = c("sampleA"), stringsAsFactors = FALSE),
rc_files = list(sampleA = make_test_tx_se(sample_names = "sampleA")),
annotation_tx_count = 1L
)
chunk_rds <- file.path(fixture_dir, "chr2.rds")
saveRDS(chunk_bundle, chunk_rds)
discovered_annotation_rds <- file.path(fixture_dir, "annotations.rds")
saveRDS(make_test_bambu_row_ranges(fixture_dir), discovered_annotation_rds)
analysis_called <- FALSE
fake_analysis <- function(...) {
analysis_called <<- TRUE
stop(
"Can't join `x$eqClassById` with `y$eqClassById` due to incompatible types.",
call. = FALSE
)
}
args <- workflow_glue_r_normalise_args(
list(
mode = "quant",
genome = "genome.fa",
out_dir = file.path(fixture_dir, "out"),
chunk_rds = chunk_rds,
discovered_annotation_rds = discovered_annotation_rds,
transcriptome_mode = "discover",
ndr = NULL,
threads = 2
),
bambu_arg_spec()
)
testthat::expect_warning(
suppressMessages(main_run_bambu(args, analysis_fn = fake_analysis)),
"known bambu chunk edge case"
)
testthat::expect_true(analysis_called)
se <- readRDS(file.path(args$out_dir, "bambu_transcripts.rds"))
testthat::expect_equal(nrow(se), 0)
testthat::expect_equal(colnames(se), c("sampleA"))
})
testthat::test_that("empty mode writes valid empty outputs including bambu rds files", {
fixture_dir <- tempfile("bambu-empty-mode-")
dir.create(fixture_dir)
args <- workflow_glue_r_normalise_args(
list(
mode = "empty",
aliases = "sampleA,sampleB",
out_dir = file.path(fixture_dir, "out"),
transcriptome_mode = "fixed_annotation"
),
bambu_arg_spec()
)
result <- suppressMessages(main_run_bambu(args))
testthat::expect_equal(result$sample_df$alias, c("sampleA", "sampleB"))
testthat::expect_true(file.exists(file.path(args$out_dir, "transcripts.gtf")))
testthat::expect_true(file.exists(file.path(args$out_dir, "transcript_counts.tsv")))
testthat::expect_true(file.exists(file.path(args$out_dir, "gene_counts.tsv")))
testthat::expect_true(file.exists(file.path(args$out_dir, "samples.csv")))
testthat::expect_true(file.exists(file.path(args$out_dir, "bambu_qc_stats.json")))
testthat::expect_true(file.exists(file.path(args$out_dir, "bambu_transcripts.rds")))
testthat::expect_true(file.exists(file.path(args$out_dir, "bambu_genes.rds")))
tx_counts <- utils::read.delim(
file.path(args$out_dir, "transcript_counts.tsv"),
check.names = FALSE,
stringsAsFactors = FALSE
)
gene_counts <- utils::read.delim(
file.path(args$out_dir, "gene_counts.tsv"),
check.names = FALSE,
stringsAsFactors = FALSE
)
qc <- jsonlite::read_json(file.path(args$out_dir, "bambu_qc_stats.json"), simplifyVector = TRUE)
gtf_lines <- readLines(file.path(args$out_dir, "transcripts.gtf"), warn = FALSE)
tx_rds <- readRDS(file.path(args$out_dir, "bambu_transcripts.rds"))
gene_rds <- readRDS(file.path(args$out_dir, "bambu_genes.rds"))
testthat::expect_equal(nrow(tx_counts), 0)
testthat::expect_equal(nrow(gene_counts), 0)
testthat::expect_true(all(c("sampleA", "sampleB") %in% names(tx_counts)))
testthat::expect_true(all(c("sampleA", "sampleB") %in% names(gene_counts)))
testthat::expect_equal(gtf_lines[[1]], "##gff-version 2")
testthat::expect_true(any(grepl("^#", gtf_lines)))
testthat::expect_s4_class(tx_rds, "RangedSummarizedExperiment")
testthat::expect_s4_class(gene_rds, "SummarizedExperiment")
testthat::expect_equal(nrow(tx_rds), 0)
testthat::expect_equal(nrow(gene_rds), 0)
testthat::expect_true(isTRUE(qc$empty_output))
testthat::expect_equal(qc$chunk_count, 0)
})
###
# Output serialization
#
# bambu returns Bioconductor objects with metadata columns that may be list-like
# or range-backed. Check that these are flattened or simplified appropriately
# when written to TSV.
# List-valued metadata columns (e.g., eqClassById) must be collapsed to strings for TSV.
testthat::test_that("list columns flattened for TSV output", {
df <- data.frame(name = c("a", "b"), stringsAsFactors = FALSE)
df$list_col <- I(list(c("x", "y"), "z"))
normalised <- workflow_glue_r_normalise_tsv_df(df)
testthat::expect_equal(normalised$list_col, c("x;y", "z"))
})
testthat::test_that("annotation name maps are extracted from GTF", {
fixture_dir <- tempfile("gene-name-map-")
dir.create(fixture_dir)
gtf <- file.path(fixture_dir, "annotation.gtf")
writeLines(
c(
paste(
"chr1", "sim", "transcript", "1", "100", ".", "+", ".",
'gene_id "gene1"; transcript_id "tx1"; gene_name "GENEA"; transcript_name "TXA";',
sep = "\t"
),
paste(
"chr1", "sim", "exon", "1", "100", ".", "+", ".",
'gene_id "gene1"; transcript_id "tx1"; gene_name "GENEA"; transcript_name "TXA";',
sep = "\t"
),
paste(
"chr1", "sim", "transcript", "201", "300", ".", "+", ".",
'gene_id "gene2"; transcript_id "tx2"; gene_name "GENEB"; transcript_name "TXB";',
sep = "\t"
)
),
gtf
)
maps <- workflow_glue_r_annotation_name_maps(gtf)
gene_name_map <- maps$gene
transcript_name_map <- maps$transcript
testthat::expect_equal(names(gene_name_map), c("GENEID", "gene_name"))
testthat::expect_equal(nrow(gene_name_map), 2)
testthat::expect_equal(gene_name_map$gene_name[match("gene1", gene_name_map$GENEID)], "GENEA")
testthat::expect_equal(gene_name_map$gene_name[match("gene2", gene_name_map$GENEID)], "GENEB")
testthat::expect_equal(names(transcript_name_map), c("TXNAME", "transcript_name"))
testthat::expect_equal(nrow(transcript_name_map), 2)
testthat::expect_equal(
transcript_name_map$transcript_name[match("tx1", transcript_name_map$TXNAME)],
"TXA"
)
testthat::expect_equal(
transcript_name_map$transcript_name[match("tx2", transcript_name_map$TXNAME)],
"TXB"
)
})
# Verify all expected output files are created with correct structure.
testthat::test_that("bambu outputs written correctly", {
out_dir <- tempfile("bambu-write-")
dir.create(out_dir)
fixture_dir <- tempfile("bambu-write-fixture-")
dir.create(fixture_dir)
sample_names <- c("sampleA", "sampleB")
base_se <- make_test_tx_se(sample_names = sample_names)
row_ranges <- make_test_bambu_row_ranges(out_dir)
se <- SummarizedExperiment::SummarizedExperiment(
assays = SummarizedExperiment::assays(base_se),
rowRanges = row_ranges
)
gene_se <- make_test_gene_se(sample_names = sample_names)
sample_df <- data.frame(alias = sample_names, stringsAsFactors = FALSE)
annotation <- file.path(fixture_dir, "gene_names.gtf")
writeLines(
c(
paste(
"chr1", "test", "transcript", "1", "50", ".", "+", ".",
'gene_id "gene1"; transcript_id "tx1"; gene_name "GENEA"; transcript_name "TXA";',
sep = "\t"
),
paste(
"chr1", "test", "transcript", "201", "250", ".", "+", ".",
'gene_id "gene2"; transcript_id "tx3"; gene_name "GENEB"; transcript_name "TXC";',
sep = "\t"
)
),
annotation
)
args <- list(
out_dir = out_dir,
transcriptome_mode = "discover",
ndr = 0.15,
annotation = annotation
)
qc_stats <- list(
samples = 2,
total_transcripts_before_filter = 4,
total_genes_before_filter = 2,
total_transcripts_after_filter = 4,
total_genes_after_filter = 2,
transcripts_filtered = 0,
median_library_size = 400,
min_library_size = 390,
max_library_size = 410,
median_transcripts_detected = 4
)
bambu_write_outputs(
se,
gene_se,
sample_df,
args,
qc_stats,
write_gtf_fn = function(row_ranges, file) {
writeLines(
'chr1\tsim\texon\t1\t50\t.\t+\t.\tgene_id "gene1"; transcript_id "tx1";',
file
)
}
)
testthat::expect_true(file.exists(file.path(out_dir, "transcripts.gtf")))
testthat::expect_true(file.exists(file.path(out_dir, "transcript_counts.tsv")))
testthat::expect_true(file.exists(file.path(out_dir, "gene_counts.tsv")))
testthat::expect_true(file.exists(file.path(out_dir, "bambu_qc_stats.json")))
tx_meta <- utils::read.delim(
file.path(out_dir, "transcript_metadata.tsv"),
check.names = FALSE,
stringsAsFactors = FALSE
)
tx_counts <- utils::read.delim(
file.path(out_dir, "transcript_counts.tsv"),
check.names = FALSE,
stringsAsFactors = FALSE
)
testthat::expect_true("eqClassById" %in% names(tx_meta))
testthat::expect_equal(tx_meta$eqClassById[[1]], "1;2")
testthat::expect_true("gene_name" %in% names(tx_meta))
testthat::expect_true("transcript_name" %in% names(tx_meta))
testthat::expect_equal(
unique(stats::na.omit(tx_meta$gene_name[tx_meta$GENEID == "gene1"])),
"GENEA"
)
testthat::expect_equal(
tx_meta$transcript_name[match("tx1", tx_meta$TXNAME)],
"TXA"
)
testthat::expect_true(all(c("TXNAME", "sampleA", "sampleB") %in% names(tx_counts)))
tx_rds <- readRDS(file.path(out_dir, "bambu_transcripts.rds"))
gene_rds <- readRDS(file.path(out_dir, "bambu_genes.rds"))
tx_rds_meta <- as.data.frame(SummarizedExperiment::rowData(tx_rds))
gene_rds_meta <- as.data.frame(SummarizedExperiment::rowData(gene_rds))
testthat::expect_true("gene_name" %in% names(tx_rds_meta))
testthat::expect_true("transcript_name" %in% names(tx_rds_meta))
testthat::expect_true("gene_name" %in% names(gene_rds_meta))
testthat::expect_equal(
unique(stats::na.omit(tx_rds_meta$gene_name[tx_rds_meta$GENEID == "gene2"])),
"GENEB"
)
testthat::expect_equal(
tx_rds_meta$transcript_name[match("tx3", tx_rds_meta$TXNAME)],
"TXC"
)
testthat::expect_equal(
gene_rds_meta$gene_name[match("gene1", gene_rds_meta$GENEID)],
"GENEA"
)
})
testthat::test_that("collate combines multiple chunk quantification outputs", {
fixture_dir <- tempfile("bambu-collate-multi-")
dir.create(fixture_dir)
sample_df <- data.frame(alias = c("sampleA", "sampleB"), stringsAsFactors = FALSE)
base_se <- make_test_tx_se(sample_names = sample_df$alias)
tx_se <- SummarizedExperiment::SummarizedExperiment(
assays = SummarizedExperiment::assays(base_se),
rowRanges = make_test_bambu_row_ranges(fixture_dir)
)
chunk_dirs <- c(file.path(fixture_dir, "chunk1"), file.path(fixture_dir, "chunk2"))
dir.create(chunk_dirs[[1]])
dir.create(chunk_dirs[[2]])
saveRDS(tx_se[1:2, ], file.path(chunk_dirs[[1]], "bambu_transcripts.rds"))
saveRDS(tx_se[3:4, ], file.path(chunk_dirs[[2]], "bambu_transcripts.rds"))
utils::write.csv(sample_df, file.path(chunk_dirs[[1]], "samples.csv"), row.names = FALSE, quote = FALSE)
utils::write.csv(sample_df, file.path(chunk_dirs[[2]], "samples.csv"), row.names = FALSE, quote = FALSE)
mock_gene_expression <- function(se) {
counts <- rowsum(
SummarizedExperiment::assay(se, "counts"),
group = as.character(SummarizedExperiment::rowData(se)$GENEID),
reorder = FALSE
)
cpm <- t(t(counts) / colSums(counts)) * 1e6
SummarizedExperiment::SummarizedExperiment(
assays = list(counts = counts, CPM = cpm),
rowData = S4Vectors::DataFrame(GENEID = rownames(counts))
)
}
out_dir <- file.path(fixture_dir, "collated")
suppressWarnings(suppressMessages(
bambu_collate_chunk_outputs(
chunk_dirs,
out_dir = out_dir,
transcriptome_mode = "fixed_annotation",
gene_expression_fn = mock_gene_expression,
write_gtf_fn = function(row_ranges, file) {
writeLines(
'chr1\tsim\texon\t1\t50\t.\t+\t.\tgene_id "gene1"; transcript_id "tx1";',
file
)
}
)
))
collated_tx <- readRDS(file.path(out_dir, "bambu_transcripts.rds"))
collated_gene <- readRDS(file.path(out_dir, "bambu_genes.rds"))
testthat::expect_equal(nrow(collated_tx), 4)
testthat::expect_equal(nrow(collated_gene), 2)
testthat::expect_equal(colnames(collated_tx), sample_df$alias)
testthat::expect_true(file.exists(file.path(out_dir, "transcript_counts.tsv")))
testthat::expect_true(file.exists(file.path(out_dir, "gene_counts.tsv")))
})
testthat::test_that("chunk combiner sums duplicate transcript rows across chunks", {
sample_df <- data.frame(alias = "sampleA", stringsAsFactors = FALSE)
base_se <- make_test_tx_se(sample_names = sample_df$alias)
fixture_dir <- tempfile("bambu-combine-")
dir.create(fixture_dir)
tx_se <- SummarizedExperiment::SummarizedExperiment(
assays = SummarizedExperiment::assays(base_se),
rowRanges = make_test_bambu_row_ranges(fixture_dir)
)
chunk1 <- tx_se
chunk2 <- tx_se
counts1 <- SummarizedExperiment::assay(chunk1, "counts")
counts2 <- SummarizedExperiment::assay(chunk2, "counts")
counts1[3:4, ] <- 0
counts2[1:2, ] <- 0
SummarizedExperiment::assay(chunk1, "counts", withDimnames = FALSE) <- counts1
SummarizedExperiment::assay(chunk2, "counts", withDimnames = FALSE) <- counts2
cpm1 <- t(t(counts1) / pmax(colSums(counts1), 1)) * 1e6
cpm2 <- t(t(counts2) / pmax(colSums(counts2), 1)) * 1e6
SummarizedExperiment::assay(chunk1, "CPM", withDimnames = FALSE) <- cpm1
SummarizedExperiment::assay(chunk2, "CPM", withDimnames = FALSE) <- cpm2
S4Vectors::metadata(chunk1)$incompatibleCounts <- data.frame(
GENEID = c("gene1", "gene2"),
`01` = c(10, 0),
stringsAsFactors = FALSE
)
S4Vectors::metadata(chunk2)$incompatibleCounts <- data.frame(
GENEID = c("gene1", "gene2"),
`01` = c(0, 20),
stringsAsFactors = FALSE
)
combined <- bambu_combine_transcript_chunks(list(chunk1, chunk2))
testthat::expect_equal(nrow(combined), 4)
testthat::expect_equal(rownames(combined), rownames(tx_se))
testthat::expect_equal(
SummarizedExperiment::assay(combined, "counts"),
SummarizedExperiment::assay(tx_se, "counts")
)
expected_cpm <- t(t(SummarizedExperiment::assay(tx_se, "counts")) /
colSums(SummarizedExperiment::assay(tx_se, "counts"))) * 1e6
testthat::expect_equal(SummarizedExperiment::assay(combined, "CPM"), expected_cpm)
incompatible <- S4Vectors::metadata(combined)$incompatibleCounts
testthat::expect_equal(names(incompatible), c("GENEID", "sampleA"))
testthat::expect_equal(incompatible$sampleA, c(10, 20))
})
# Transcript filtering edge cases
testthat::test_that("filters on counts when fullLengthCounts disagrees", {
se <- make_test_tx_se(sample_names = c("sampleA", "sampleB"))
# tx2 has counts but zero full-length counts: must be kept.
# tx3 has zero counts but non-zero full-length counts: must be filtered.
counts <- SummarizedExperiment::assay(se, "counts")
counts[1, ] <- c(10, 8)
counts[2, ] <- c(5, 3)
counts[3, ] <- c(0, 0)
counts[4, ] <- c(0, 0)
SummarizedExperiment::assay(se, "counts", withDimnames = FALSE) <- counts
full_length <- matrix(0, nrow = 4, ncol = 2)
full_length[1, ] <- c(5, 4)
full_length[3, ] <- c(6, 6)
SummarizedExperiment::assays(se, withDimnames = FALSE)[["fullLengthCounts"]] <- full_length
result <- bambu_filter_transcripts(se)
testthat::expect_equal(rownames(result$se), c("tx1", "tx2"))
testthat::expect_equal(nrow(result$se), 2)
testthat::expect_equal(result$qc_stats$transcripts_filtered, 2)
})
testthat::test_that("filters on counts when no fullLengthCounts assay", {
se <- make_test_tx_se(sample_names = c("sampleA", "sampleB"))
# Set some transcripts with counts.
counts <- SummarizedExperiment::assay(se, "counts")
counts[1, ] <- c(10, 8)
counts[2, ] <- c(5, 3)
counts[3, ] <- c(0, 0)
counts[4, ] <- c(0, 0)
SummarizedExperiment::assay(se, "counts", withDimnames = FALSE) <- counts
# Remove fullLengthCounts assay entirely so it falls back to counts.
assay_list <- SummarizedExperiment::assays(se)
assay_list[["fullLengthCounts"]] <- NULL
SummarizedExperiment::assays(se, withDimnames = FALSE) <- assay_list
result <- bambu_filter_transcripts(se)
testthat::expect_equal(nrow(result$se), 2)
testthat::expect_equal(result$qc_stats$transcripts_filtered, 2)
})
testthat::test_that("error when all transcripts filtered", {
se <- make_test_tx_se(sample_names = c("sampleA", "sampleB"))
# All transcripts have zero counts.
SummarizedExperiment::assay(se, "counts", withDimnames = FALSE) <- matrix(0, nrow = 4, ncol = 2)
testthat::expect_error(
bambu_filter_transcripts(se),
"All transcripts have zero counts after filtering"
)
})
testthat::test_that("QC stats match filtered results", {
se <- make_test_tx_se(sample_names = c("sampleA", "sampleB"))
# Set one transcript with counts, rest without.
counts <- matrix(0, nrow = 4, ncol = 2)
counts[1, ] <- c(10, 8)
SummarizedExperiment::assay(se, "counts", withDimnames = FALSE) <- counts
full_length <- matrix(0, nrow = 4, ncol = 2)
full_length[1, ] <- c(5, 4)
SummarizedExperiment::assays(se, withDimnames = FALSE)[["fullLengthCounts"]] <- full_length
result <- bambu_filter_transcripts(se)
testthat::expect_equal(result$qc_stats$total_transcripts_after_filter, nrow(result$se))
testthat::expect_equal(result$qc_stats$transcripts_filtered, 3)
})
# Contract test: after transcript filtering, the filtered object must remain
# acceptable input for gene-level aggregation.
testthat::test_that("bambu_filter_transcripts contract with transcriptToGeneExpression", {
fixture_dir <- tempfile("bambu-filter-contract-")
dir.create(fixture_dir)
base_se <- make_test_tx_se(sample_names = "sampleA")
se <- SummarizedExperiment::SummarizedExperiment(
assays = SummarizedExperiment::assays(base_se),
rowRanges = make_test_bambu_row_ranges(fixture_dir)
)
counts <- SummarizedExperiment::assays(se)$counts
counts["tx1", ] <- 10
counts["tx2", ] <- 8
counts["tx3", ] <- 0
counts["tx4", ] <- 0
SummarizedExperiment::assay(se, "counts", withDimnames = FALSE) <- counts
full_length <- matrix(
c(5, 4, 6, 0),
nrow = nrow(se),
ncol = ncol(se),
dimnames = dimnames(SummarizedExperiment::assays(se)$counts)
)
SummarizedExperiment::assays(se, withDimnames = FALSE)[["fullLengthCounts"]] <- full_length
S4Vectors::metadata(se)$incompatibleCounts <- data.table::data.table(
GENEID = "gene2",
sampleA = 7L
)
filtered <- bambu_filter_transcripts(se)
testthat::expect_true(all(SummarizedExperiment::rowData(filtered$se)$GENEID == "gene1"))
testthat::expect_equal(
unique(S4Vectors::metadata(filtered$se)$incompatibleCounts$GENEID),
character(0)
)
testthat::expect_error(bambu::transcriptToGeneExpression(filtered$se), NA)
})
testthat::test_that("bambu_filter_transcripts renames generic incompatibleCounts columns", {
se <- make_test_tx_se(sample_names = "sampleA")
S4Vectors::metadata(se)$incompatibleCounts <- data.table::data.table(
GENEID = c("gene1", "gene2"),
`01` = c(4, 9)
)
filtered <- bambu_filter_transcripts(se)
incompatible <- S4Vectors::metadata(filtered$se)$incompatibleCounts
testthat::expect_equal(names(incompatible), c("GENEID", "sampleA"))
testthat::expect_equal(incompatible$sampleA, c(4, 9))
})
###
# CLI integration tests
#
# End-to-end tests with real bambu library (not mocked):
# - Build BAMs from committed fixtures (reference.fa, annotation.gtf, reads.fastq)
# - Run `supeRglue bambu discover` to produce rcFiles/chunks
# - Run `supeRglue bambu quant` on one emitted chunk
# - Run `supeRglue bambu collate` to produce downstream workflow outputs
testthat::test_that("CLI discover writes reusable chunk artifacts", {
fixture_dir <- tempfile("bambu-cli-")
dir.create(fixture_dir)
reference <- workflow_glue_r_fixture("bambu", "reference.fa")
annotation <- workflow_glue_r_fixture("bambu", "annotation.gtf")
reads <- workflow_glue_r_fixture("bambu", "reads.fastq")
sample_sheet <- workflow_glue_r_fixture("bambu", "sample_sheet.csv")
bam_path <- expect_bam_fixture_built(reference, reads, fixture_dir, alias = "sampleA")
out_dir <- file.path(fixture_dir, "out")
result <- run_rscript(
"supeRglue",
c(
"bambu",
"discover",
"--bams", bam_path,
"--aliases", "sampleA",
"--sample_sheet", sample_sheet,
"--annotation", annotation,
"--genome", reference,
"--transcriptome_mode", "fixed_annotation",
"--out_dir", out_dir
)
)
testthat::expect_equal(
result$status,
0L,
info = paste(result$output, collapse = "\n")
)
testthat::expect_true(file.exists(file.path(out_dir, "bambu_rcfiles.rds")))
testthat::expect_true(file.exists(file.path(out_dir, "bambu_discovered_annotations.rds")))
testthat::expect_true(file.exists(file.path(out_dir, "chunk_manifest.tsv")))
testthat::expect_true(file.exists(file.path(out_dir, "samples.csv")))
samples <- utils::read.csv(
file.path(out_dir, "samples.csv"),
check.names = FALSE,
stringsAsFactors = FALSE
)
manifest <- utils::read.delim(
file.path(out_dir, "chunk_manifest.tsv"),
check.names = FALSE,
stringsAsFactors = FALSE
)
chunk_bundle <- readRDS(manifest$rds_path[[1]])
testthat::expect_equal(samples$alias, "sampleA")
testthat::expect_gt(nrow(manifest), 0)
testthat::expect_true(all(c("chunk_id", "seqname", "annotation_tx_count", "rds_path") %in% names(manifest)))
testthat::expect_true("annotation_tx_count" %in% names(chunk_bundle))
testthat::expect_true(all(manifest$annotation_tx_count >= 0))
testthat::expect_equal(chunk_bundle$aliases, "sampleA")
})
testthat::test_that("CLI quant consumes a discover chunk", {
fixture_dir <- tempfile("bambu-cli-dir-")
dir.create(fixture_dir)
reference <- workflow_glue_r_fixture("bambu", "reference.fa")
annotation <- workflow_glue_r_fixture("bambu", "annotation.gtf")
reads <- workflow_glue_r_fixture("bambu", "reads.fastq")
bam_path <- expect_bam_fixture_built(reference, reads, fixture_dir, alias = "sampleA")
sample_sheet <- file.path(fixture_dir, "sample_sheet.csv")
writeLines(
paste(
"alias",
"sampleA",
sep = "\n"
),
sample_sheet
)
discover_out_dir <- file.path(fixture_dir, "discover")
discover_result <- run_rscript(
"supeRglue",
c(
"bambu",
"discover",
"--bams", bam_path,
"--aliases", "sampleA",
"--sample_sheet", sample_sheet,
"--annotation", annotation,
"--genome", reference,
"--transcriptome_mode", "fixed_annotation",
"--out_dir", discover_out_dir
)
)
testthat::expect_equal(
discover_result$status,
0L,
info = paste(discover_result$output, collapse = "\n")
)
manifest <- utils::read.delim(
file.path(discover_out_dir, "chunk_manifest.tsv"),
check.names = FALSE,
stringsAsFactors = FALSE
)
out_dir <- file.path(fixture_dir, "quant")
quant_result <- run_rscript(
"supeRglue",
c(
"bambu",
"quant",
"--chunk_rds", manifest$rds_path[[1]],
"--discovered_annotation_rds", file.path(discover_out_dir, "bambu_discovered_annotations.rds"),
"--genome", reference,
"--out_dir", out_dir
)
)
testthat::expect_equal(
quant_result$status,
0L,
info = paste(quant_result$output, collapse = "\n")
)
samples <- utils::read.csv(
file.path(out_dir, "samples.csv"),
check.names = FALSE,
stringsAsFactors = FALSE
)
tx_se <- readRDS(file.path(out_dir, "bambu_transcripts.rds"))
qc <- jsonlite::read_json(
file.path(out_dir, "bambu_qc_stats.json"),
simplifyVector = TRUE
)
testthat::expect_equal(samples$alias, "sampleA")
testthat::expect_gt(nrow(tx_se), 0)
testthat::expect_equal(qc$chunk_id, manifest$chunk_id[[1]])
testthat::expect_equal(qc$seqname, manifest$seqname[[1]])
})
testthat::test_that("CLI collate consumes quant chunk directories", {
fixture_dir <- tempfile("bambu-cli-collate-")
dir.create(fixture_dir)
reference <- workflow_glue_r_fixture("bambu", "reference.fa")
annotation <- workflow_glue_r_fixture("bambu", "annotation.gtf")
reads <- workflow_glue_r_fixture("bambu", "reads.fastq")
bam_path <- expect_bam_fixture_built(reference, reads, fixture_dir, alias = "sampleA")
sample_sheet <- file.path(fixture_dir, "sample_sheet.csv")
writeLines(
paste(
"alias",
"sampleA",
sep = "\n"
),
sample_sheet
)
discover_out_dir <- file.path(fixture_dir, "discover")
discover_result <- run_rscript(
"supeRglue",
c(
"bambu",
"discover",
"--bams", bam_path,
"--aliases", "sampleA",
"--sample_sheet", sample_sheet,
"--annotation", annotation,
"--genome", reference,
"--transcriptome_mode", "fixed_annotation",
"--out_dir", discover_out_dir
)
)
testthat::expect_equal(
discover_result$status,
0L,
info = paste(discover_result$output, collapse = "\n")
)
manifest <- utils::read.delim(
file.path(discover_out_dir, "chunk_manifest.tsv"),
check.names = FALSE,
stringsAsFactors = FALSE
)
chunk_out_dir <- file.path(fixture_dir, "chunk1")
quant_result <- run_rscript(
"supeRglue",
c(
"bambu",
"quant",
"--chunk_rds", manifest$rds_path[[1]],
"--discovered_annotation_rds", file.path(discover_out_dir, "bambu_discovered_annotations.rds"),
"--genome", reference,
"--out_dir", chunk_out_dir
)
)
testthat::expect_equal(
quant_result$status,
0L,
info = paste(quant_result$output, collapse = "\n")
)
collate_out_dir <- file.path(fixture_dir, "sampleA")
collate_result <- run_rscript(
"supeRglue",
c(
"bambu",
"collate",
"--chunk_dirs", chunk_out_dir,
"--transcriptome_mode", "fixed_annotation",
"--out_dir", collate_out_dir
)
)
testthat::expect_equal(
collate_result$status,
0L,
info = paste(collate_result$output, collapse = "\n")
)
testthat::expect_true(file.exists(file.path(collate_out_dir, "bambu_transcripts.rds")))
testthat::expect_true(file.exists(file.path(collate_out_dir, "bambu_genes.rds")))
testthat::expect_true(file.exists(file.path(collate_out_dir, "transcript_counts.tsv")))
testthat::expect_true(file.exists(file.path(collate_out_dir, "gene_counts.tsv")))
})
# Ensembl GTF annotations include version numbers in IDs (e.g., ENST000001.7).
# Verify bambu doesn't strip versions during prepareAnnotations().
testthat::test_that("Ensembl versioned identifiers preserved", {
fixture_dir <- tempfile("annotation-ensembl-")
dir.create(fixture_dir)
gtf <- file.path(fixture_dir, "ensembl_versions.gtf")
writeLines(
c(
paste(
"chr1", "Ensembl", "transcript", "1", "100", ".", "+", ".",
'gene_id "ENSG000001.16"; transcript_id "ENST000001.7"; gene_name "GENEA";',
sep = "\t"
),
paste(
"chr1", "Ensembl", "exon", "1", "100", ".", "+", ".",
'gene_id "ENSG000001.16"; transcript_id "ENST000001.7"; exon_number "1";',
sep = "\t"
)
),
gtf
)
prepared <- bambu::prepareAnnotations(gtf)
testthat::expect_s4_class(prepared, "GRangesList")
testthat::expect_true("ENST000001.7" %in% names(prepared))
})