#single_summary


test_that("single choice: excluded subgroup without group_by", {
  expect_error(
    single_freq(berlinbears, question = income,  subgroups_to_exclude = 'panda')
    )
})



# Graph -------------------------------------------------------------------


#single_freq
test_that("sc graph: tibble as input", {
  berlinbears <- dplyr::as_tibble(berlinbears)
  expect_no_error(
    single_freq(berlinbears, question = income)
    )
  expect_no_warning(
    single_freq(berlinbears, question = income)
    )
})



test_that("sc graph: na.rm = TRUE", {
  expect_no_error(
    single_freq(berlinbears, question = income, na.rm = TRUE)
  )
  expect_no_warning(
    single_freq(berlinbears, question = income, na.rm = TRUE)
  )
})


#group_bys and levels to exclude

test_that("sc graph: group_by works", {
  expect_no_error(
    single_freq(berlinbears, question = income, group_by = gender)
    )
  expect_no_warning(
    single_freq(berlinbears, question = income, group_by = gender)
    )

})

test_that("sc graph: One correct level to exclude", {
  berlinbears <- dplyr::as_tibble(berlinbears)
  expect_no_error(
    single_freq(berlinbears, question = income, group_by = species, subgroups_to_exclude = c('black bear'))
    )
  expect_no_warning(
    single_freq(berlinbears, question = income, group_by = species, subgroups_to_exclude = c('black bear'))
    )

})

test_that("sc graph: One valid level to exclude", {
  expect_no_error(single_freq(berlinbears, question = income, group_by = species, subgroups_to_exclude = c('black bear')))
  expect_no_warning(single_freq(berlinbears, question = income, group_by = species, subgroups_to_exclude = c('black bear')))
})

test_that("sc graph: One invalid level to exclude", {
  expect_error(single_freq(berlinbears, question = income, group_by = species, subgroups_to_exclude = c('black bears')))
})

test_that("sc graph: Multiple valid level to exclude", {
  berlinbears <- dplyr::as_tibble(berlinbears)
  expect_no_error(single_freq(berlinbears, question = income, group_by = species, subgroups_to_exclude = c('black bear', 'brown bear')))
  expect_no_warning(single_freq(berlinbears, question = income, group_by = species, subgroups_to_exclude = c('black bear', 'brown bear')))
})


test_that("sc graph: One valid one invalid level to exclude", {
  berlinbears <- dplyr::as_tibble(berlinbears)
  expect_error(single_freq(berlinbears, question = income, group_by = species, subgroups_to_exclude = c('black bear', 'brown bears')))
})




test_that("sc graph: subgroups to exclude", {

  x <- single_freq(berlinbears, question = income,  group_by = gender, subgroups_to_exclude = NA)
  y <- single_freq(berlinbears, question = income, group_by = gender)

  expect_false(
    identical(as.list(x),as.list(y))
  )
})


test_that("sc graph: weights works", {
  expect_no_error(single_freq(berlinbears, question = income,
                                     group_by = gender, weights = weights)
                  )
  expect_no_warning(
    single_freq(berlinbears, question = income,
                                     group_by = gender, weights = weights)
    )
})


# Table -------------------------------------------------------------------

test_that("table, question only", {
  expect_no_error(
    single_table(berlinbears, question = income)
    )
})


test_that("sc table: na.rm = TRUE", {
  expect_no_error(
    single_table(berlinbears, question = income, na.rm = TRUE)
  )
  expect_no_warning(
    single_table(berlinbears, question = income, na.rm = TRUE)
  )
})


test_that("table, question with weights", {
  expect_no_error(
    single_table(berlinbears, question = income, weights = weights)
  )
})



test_that("table, question with group_by", {
  expect_no_error(
    single_table(berlinbears, question = income,  group_by = gender)
  )
})



test_that("table, question with group_by and weights", {
  expect_no_error(
    single_table(berlinbears, question = income,  group_by = gender, weights = weights)
    )
})

test_that("table, question with group_by, weights, and exclusion", {
  expect_no_error(
    single_table(berlinbears, question = income, group_by = species, subgroups_to_exclude = c('black bear'))
    )
})

single_table(berlinbears, question = h_winter, group_by = species, subgroups_to_exclude = c('black bear'))