test_that("ph_to_rxnclass() works", {
expect_equal(as.character(ph_to_rxnclass(6.2)), "slightly acid")
expect_equal(ph_to_rxnclass(c(6.2, NA, 6.3), as.is = TRUE),
c("slightly acid", NA, "slightly acid"))
expect_equal(ph_to_rxnclass(c(6.2, NA, 6.8)),
factor(c("slightly acid", NA, "neutral"),
levels = c("slightly acid", "neutral"),
ordered = TRUE))
expect_equal(ph_to_rxnclass(c(6.2, NA, 6.8), halfclass = TRUE, droplevels = FALSE),
factor(c("low slightly acid", NA, "low neutral"),
levels = ReactionClassLevels(halfclass = TRUE, as.is = TRUE),
ordered = TRUE))
expect_equal(length(levels(ph_to_rxnclass(c(6.2, NA, 6.8)))), 2)
})
test_that("rxnclass_to_ph() works", {
expect_equal(rxnclass_to_ph("slightly acid"), data.frame(pH_low = 6.05, pH_high = 6.55))
expect_equal(rxnclass_to_ph(c("slightly acid", NA, "moderately acid"), simplify = FALSE),
list(data.frame(pH_low = 5.55, pH_high = 6.55)))
expect_equal(rxnclass_to_ph(list(c("slightly acid", NA, "moderately acid"),
c("slightly acid", NA, "strongly acid")), simplify = FALSE),
list(data.frame(pH_low = 5.55, pH_high = 6.55),
data.frame(pH_low = 5.05, pH_high = 6.55)))
})
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