tests/testthat/test-match-negative-polarity.R

In harmonydata: R Library for 'Harmony'

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questions_en <- list("I feel nervous", "I don't feel nervous")
instrument_en <- create_instrument_from_list(question_texts = questions_en)

# test single instrument with negation on as default
match <- match_instruments(instrument_en)

test_that("Single instrument with negation on as default", {
    expect_equal(2, length(match$instruments[[1]]$questions))
    expect_equal(2, length(match$matches))
    expect_lt(0.99, match$matches[[1]][[1]])
    expect_gt(0, match$matches[[1]][[2]])
    expect_lt(0.99, match$matches[[2]][[2]])
    expect_gt(0, match$matches[[2]][[1]])
})

# test single instrument without negation
match <- match_instruments(instrument_en, is_negate = FALSE)

test_that("Single instrument without negation", {
    expect_equal(2, length(match$instruments[[1]]$questions))
    expect_equal(2, length(match$matches))
    expect_lt(0.99, match$matches[[1]][[1]])
    expect_lt(0, match$matches[[1]][[2]])
    expect_lt(0.99, match$matches[[2]][[2]])
    expect_lt(0, match$matches[[2]][[1]])
})