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################################################################################
# Use testthat to test data accessors
################################################################################
library("biomformat"); library("testthat")
packageVersion("biomformat")
# # # # TESTS!
min_dense_file = system.file("extdata", "min_dense_otu_table.biom", package = "biomformat")
min_sparse_file = system.file("extdata", "min_sparse_otu_table.biom", package = "biomformat")
rich_dense_file = system.file("extdata", "rich_dense_otu_table.biom", package = "biomformat")
rich_sparse_file = system.file("extdata", "rich_sparse_otu_table.biom", package = "biomformat")
min_dense_file = system.file("extdata", "min_dense_otu_table.biom", package = "biomformat")
rich_dense_char = system.file("extdata", "rich_dense_char.biom", package = "biomformat")
rich_sparse_char = system.file("extdata", "rich_sparse_char.biom", package = "biomformat")
min_sparse_hdf5 = system.file("extdata","min_sparse_otu_table_hdf5.biom",package = "biomformat")
rich_sparse_hdf5 = system.file("extdata","rich_sparse_otu_table_hdf5.biom",package = "biomformat")
# Test read biom
x1 = read_biom(min_dense_file)
x2 = read_biom(min_sparse_file)
x3 = read_biom(rich_dense_file)
x4 = read_biom(rich_sparse_file)
x5 = read_biom(rich_dense_char)
x6 = read_biom(rich_sparse_char)
# x7 = suppressWarnings(read_biom(min_sparse_hdf5)) # FIXME: Test failure needs to be investigated
# x8 = suppressWarnings(read_biom(rich_sparse_hdf5))
# Test ncol, nrow, colnames, rownames
test_that("Test that ncol, nrow, colnames, rownames, all work as expected", {
expect_equivalent(ncol(x1), 6L)
expect_equivalent(ncol(x2), 6L)
expect_equivalent(ncol(x3), 6L)
expect_equivalent(ncol(x4), 6L)
expect_equivalent(ncol(x5), 6L)
expect_equivalent(ncol(x6), 6L)
# expect_equivalent(ncol(x7), 6L)
# expect_equivalent(ncol(x8), 6L)
expect_equivalent(nrow(x1), 5L)
expect_equivalent(nrow(x2), 5L)
expect_equivalent(nrow(x3), 5L)
expect_equivalent(nrow(x4), 5L)
expect_equivalent(nrow(x5), 5L)
expect_equivalent(nrow(x6), 5L)
# expect_equivalent(nrow(x7), 5L)
# expect_equivalent(nrow(x8), 5L)
expect_equivalent(colnames(biom_data(x1)), c("Sample1", "Sample2", "Sample3", "Sample4", "Sample5", "Sample6"))
expect_equivalent(colnames(biom_data(x2)), c("Sample1", "Sample2", "Sample3", "Sample4", "Sample5", "Sample6"))
expect_equivalent(colnames(biom_data(x3)), c("Sample1", "Sample2", "Sample3", "Sample4", "Sample5", "Sample6"))
expect_equivalent(colnames(biom_data(x4)), c("Sample1", "Sample2", "Sample3", "Sample4", "Sample5", "Sample6"))
expect_equivalent(colnames(biom_data(x5)), c("Sample1", "Sample2", "Sample3", "Sample4", "Sample5", "Sample6"))
expect_equivalent(colnames(biom_data(x6)), c("Sample1", "Sample2", "Sample3", "Sample4", "Sample5", "Sample6"))
# expect_equivalent(colnames(biom_data(x7)), c("Sample1", "Sample2", "Sample3", "Sample4", "Sample5", "Sample6"))
# expect_equivalent(colnames(biom_data(x8)), c("Sample1", "Sample2", "Sample3", "Sample4", "Sample5", "Sample6"))
expect_equivalent(rownames(biom_data(x1)), c("GG_OTU_1", "GG_OTU_2", "GG_OTU_3", "GG_OTU_4", "GG_OTU_5"))
expect_equivalent(rownames(biom_data(x2)), c("GG_OTU_1", "GG_OTU_2", "GG_OTU_3", "GG_OTU_4", "GG_OTU_5"))
expect_equivalent(rownames(biom_data(x3)), c("GG_OTU_1", "GG_OTU_2", "GG_OTU_3", "GG_OTU_4", "GG_OTU_5"))
expect_equivalent(rownames(biom_data(x4)), c("GG_OTU_1", "GG_OTU_2", "GG_OTU_3", "GG_OTU_4", "GG_OTU_5"))
expect_equivalent(rownames(biom_data(x5)), c("GG_OTU_1", "GG_OTU_2", "GG_OTU_3", "GG_OTU_4", "GG_OTU_5"))
expect_equivalent(rownames(biom_data(x6)), c("GG_OTU_1", "GG_OTU_2", "GG_OTU_3", "GG_OTU_4", "GG_OTU_5"))
# expect_equivalent(rownames(biom_data(x7)), c("GG_OTU_1", "GG_OTU_2", "GG_OTU_3", "GG_OTU_4", "GG_OTU_5"))
# expect_equivalent(rownames(biom_data(x8)), c("GG_OTU_1", "GG_OTU_2", "GG_OTU_3", "GG_OTU_4", "GG_OTU_5"))
})
# Read tables
T1 = biom_data(x1)
T2 = biom_data(x2)
T3 = biom_data(x3)
T4 = biom_data(x4)
T5 = biom_data(x5)
T6 = biom_data(x6)
#T7 = biom_data(x7)
#T8 = biom_data(x8)
# # # # TESTS!
test_that("Test that the results of biom_data are matrix or dgeMatrix classes", {
expect_is(T1, "Matrix")
expect_is(T2, "Matrix")
expect_is(T3, "Matrix")
expect_is(T4, "Matrix")
expect_is(T5, "matrix")
expect_is(T6, "matrix")
# expect_is(T7, "dgeMatrix")
# expect_is(T8, "dgeMatrix")
})
test_that("Some arbitrary test values match expected", {
expect_equal(T1[5, 1], 0L)
expect_equal(T1[3, 4], 4L)
expect_equal(T2[3, 4], 4L)
expect_equal(T3[3, 4], 4L)
expect_equal(T4[3, 4], 4L)
expect_equal(T5[3, 4], "4")
expect_equal(T6[3, 4], "4")
expect_equal(T2[5, 1], 0L)
expect_equal(T3[4, 6], 1L)
expect_equal(T3[2, 3], 0L)
expect_equal(T4[4, 5], 0L)
expect_equal(T4[1, 3], 1L)
expect_equal(T5[1, 5], "clouds")
expect_equal(T5[5, 1], "0")
expect_equal(T5[3, 2], "lightning")
expect_equal(T6[3, 4], "4")
expect_equal(T6[2, 5], "bottle")
expect_equal(T6[4, 5], NA_character_)
# expect_equal(T7[5, 1], 0L)
# expect_equal(T7[3, 4], 4L)
# expect_equal(T8[5, 1], 0L)
# expect_equal(T8[3, 4], 4L)
})
test_that("Test pre-access biom_data subsetting", {
label = "multiple rows and multiple columns"
expect_equal(T1[1:3, 3:6], biom_data(x1, 1:3, 3:6), label=label)
expect_equal(T2[1:3, 3:6], biom_data(x2, 1:3, 3:6), label=label)
expect_equal(T3[1:3, 3:6], biom_data(x3, 1:3, 3:6), label=label)
expect_equal(T4[1:3, 3:6], biom_data(x4, 1:3, 3:6), label=label)
expect_equal(T5[1:3, 3:6], biom_data(x5, 1:3, 3:6), label=label)
expect_equal(T6[1:3, 3:6], biom_data(x6, 1:3, 3:6), label=label)
# expect_equal(T7[1:3, 3:6], biom_data(x7, 1:3, 3:6), label=label)
# expect_equal(T8[1:3, 3:6], biom_data(x8, 1:3, 3:6), label=label)
label = "single row and column (single value)"
expect_equivalent(T1[3, 4], biom_data(x1, 3, 4), label=label)
expect_equivalent(T2[3, 4], biom_data(x2, 3, 4), label=label)
expect_equivalent(T3[3, 4], biom_data(x3, 3, 4), label=label)
expect_equivalent(T4[3, 4], biom_data(x4, 3, 4), label=label)
expect_equivalent(T5[3, 4], biom_data(x5, 3, 4), label=label)
expect_equivalent(T6[3, 4], biom_data(x6, 3, 4), label=label)
# expect_equivalent(T7[3, 4], biom_data(x7, 3, 4), label=label)
# expect_equivalent(T8[3, 4], biom_data(x8, 3, 4), label=label)
label = "single rows and multiple cols"
expect_equal(T1[1, 3:6], biom_data(x1, 1, 3:6), label=label)
expect_equal(T2[1, 3:6], biom_data(x2, 1, 3:6), label=label)
expect_equal(T3[1, 3:6], biom_data(x3, 1, 3:6), label=label)
expect_equal(T4[1, 3:6], biom_data(x4, 1, 3:6), label=label)
expect_equal(T5[1, 3:6], biom_data(x5, 1, 3:6), label=label)
expect_equal(T6[1, 3:6], biom_data(x6, 1, 3:6), label=label)
# expect_equal(T7[1, 3:6], biom_data(x7, 1, 3:6), label=label)
# expect_equal(T8[1, 3:6], biom_data(x8, 1, 3:6), label=label)
label = "single column and multiple rows"
expect_equal(T1[2:5, 3], biom_data(x1, 2:5, 3), label=label)
expect_equal(T2[2:5, 3], biom_data(x2, 2:5, 3), label=label)
expect_equal(T3[2:5, 3], biom_data(x3, 2:5, 3), label=label)
expect_equal(T4[2:5, 3], biom_data(x4, 2:5, 3), label=label)
expect_equal(T5[2:5, 3], biom_data(x5, 2:5, 3), label=label)
expect_equal(T6[2:5, 3], biom_data(x6, 2:5, 3), label=label)
# expect_equal(T7[2:5, 3], biom_data(x7, 2:5, 3), label=label)
# expect_equal(T8[2:5, 3], biom_data(x8, 2:5, 3), label=label)
})
test_that("Test observation metadata extraction", {
expect_equal(as(observation_metadata(x3, 1)[1:3], "character"),
c("k__Bacteria", "p__Proteobacteria", "c__Gammaproteobacteria"))
expect_equal(as(observation_metadata(x3, 2)[3:5], "character"),
c("c__Nostocophycideae", "o__Nostocales", "f__Nostocaceae"))
expect_equal(as(observation_metadata(x4, 5)[4], "character"), "o__Enterobacteriales")
})
test_that("Test sample metadata extraction", {
expect_equal(sample_metadata(x3, 1)$Description, "human gut")
expect_equal(sample_metadata(x3, 2)$BODY_SITE, "gut")
expect_equal(sample_metadata(x3, 4)$BODY_SITE, "skin")
expect_equal(sample_metadata(x4, 4)$BODY_SITE, "skin")
# expect_equal(sample_metadata(x8, 2)$BODY_SITE, "gut")
# expect_equal(sample_metadata(x8, 4)$BODY_SITE, "skin")
})
test_that("Test metadata bad-index warnings", {
expect_warning(out<-sample_metadata(x3, 2:8))
label = "sample_metadata() output after corrected index has incorrect dimensions"
expect_equal(dim(out), c(5, 4), label=label)
expect_warning(out<-observation_metadata(x3, 2:8))
label = "observation_metadata() output after corrected index has incorrect dimensions"
expect_equal(dim(out), c(4, 7), label=label)
expect_warning(out<-observation_metadata(x3, 8:10))
expect_error(out<-observation_metadata(x3, c("non-id", "also-not-there")))
expect_error(out<-sample_metadata(x3, c("non-id", "also-not-there")))
})
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