context("Tests of function booleanize")
testmatrix <- data.frame(c1 = c(0, 2, 0, 8),
c2 = c(5, 6, 7, 0),
c3 = c(5, 6, 7, 0))
rownames(testmatrix) <- c("r1", "r2", "r3", "r4")
test_that(
"the output of booleanize is a data.frame", {
expect_equal(
is.data.frame(booleanize(testmatrix)),
TRUE
)
}
)
test_that(
"the output of booleanize is a data.frame with
the same size as the input data.frame", {
expect_equal(
nrow(booleanize(testmatrix)),
nrow(testmatrix)
)
expect_equal(
length(booleanize(testmatrix)),
length(testmatrix)
)
}
)
test_that(
"the output of booleanize is a data.frame with
the rownames and colnames as the input data.frame", {
expect_equal(
colnames(booleanize(testmatrix)),
colnames(testmatrix)
)
expect_equal(
rownames(booleanize(testmatrix)),
rownames(testmatrix)
)
}
)
test_that(
"the output of booleanize contains the defined presence/absence values", {
expect_equal(
booleanize(testmatrix, present = "cake", absent = "no cake")[2, 2],
"cake"
)
expect_equal(
booleanize(testmatrix, present = "cake", absent = "no cake")[1, 1],
"no cake"
)
}
)
test_that(
"the output of booleanize marks presence and absence correctly", {
expect_equal(
which(testmatrix != 0),
which(booleanize(testmatrix) != 0)
)
expect_equal(
which(testmatrix == 0),
which(booleanize(testmatrix) == 0)
)
}
)
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