Remove bar() unit and visual regression tests
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# testthat::test_that("bar() function handles various edge cases", {
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# # Setup minimal test data
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# test_df <- data.frame(
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# category =c("A", "B", "C"),
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# value = c(10, 20, 30),
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# group = c("X", "X", "Y"),
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# facet_var = c("F1", "F1", "F2")
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# )
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# # Test 1: Basic functionality with all parameters
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# testthat::expect_s3_class({
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# bar(test_df, x = "category", y = "value",
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# position = "dodge", add_text = TRUE, flip = FALSE)
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# }, "ggplot")
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# # Test 2: Missing group parameter
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# testthat::expect_s3_class({
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# bar(test_df, x = "category", y = "value", facet = "facet_var")
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# }, "ggplot")
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# # Test 3: Missing facet parameter
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# testthat::expect_s3_class({
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# bar(test_df, x = "category", y = "value", group = "group")
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# }, "ggplot")
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# # Test 4: Identical group and facet
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# testthat::expect_warning({
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# bar(test_df, x = "category", y = "value", group = "facet_var", facet = "facet_var")
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# }, "Using 'facet' for grouping")
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# # Test 5: NA handling scenarios
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# na_df <- data.table::data.table(
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# category = c("A", "B", NA),
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# value = c(10, NA, 30),
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# group = c("X", NA, "Y")
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# )
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# # Test 5a: NA removal enabled
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# testthat::expect_silent({
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# bar(na_df, x = "category", y = "value", group = "group",
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# x_rm_na = TRUE, y_rm_na = TRUE, group_rm_na = TRUE)
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# })
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# # Test 5b: NA removal disabled
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# testthat::expect_warning({
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# bar(na_df, x = "category", y = "value", group = "group",
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# x_rm_na = FALSE, y_rm_na = FALSE, group_rm_na = FALSE)
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# }, "Converting df to data.table")
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# # Test 6: Ordering scenarios
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# # Test 6a: Natural order
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# testthat::expect_equal(
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# levels(bar(test_df, x = "category", y = "value", order = "none")$data$category),
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# c("A", "B", "C")
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# )
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# # Test 6b: Ordered by y
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# testthat::expect_equal(
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# levels(bar(test_df, x = "category", y = "value", order = "y")$data$category),
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# c("A", "B", "C") # Should be ordered by value
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# )
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# # Test 7: Faceting edge cases
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# # Test 7a: Single facet level
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# single_facet <- data.table::data.table(
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# category = c("A", "B"),
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# value = c(10, 20),
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# facet_var = c("F1", "F1")
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# )
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# testthat::expect_s3_class({
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# bar(single_facet, x = "category", y = "value", facet = "facet_var")
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# }, "ggplot")
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# # Test 8: Text labeling thresholds
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# small_values <- data.table::data.table(
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# category = c("A", "B"),
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# value = c(0.03, 0.04), # Below default 0.05 threshold
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# group = c("X", "Y")
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# )
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# plot_data <- bar(small_values, x = "category", y = "value", group = "group", add_text = TRUE)
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# testthat::expect_true(all(is.na(plot_data$layers[[2]]$data$y_threshold)))
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# # Test 9: Invalid parameter combinations
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# testthat::expect_error(
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# bar(test_df, x = "value", y = "category"), # Reversed numeric/character
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# "must be character or factor"
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# )
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# # Test 10: Facet/group interaction with insufficient data
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# sparse_data <- data.table::data.table(
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# category = "A",
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# value = 10,
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# group = "X",
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# facet_var = "F1"
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# )
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# testthat::expect_s3_class({
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# bar(sparse_data, x = "category", y = "value", group = "group", facet = "facet_var")
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# }, "ggplot")
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# })
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# # Visual regression tests (requires vdiffr)
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# testthat::test_that("Visual appearance remains consistent", {
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# test_df <- data.table::data.table(
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# category = factor(c("A", "B", "C")),
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# value = c(10, 20, 30),
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# group = c("X", "X", "Y"),
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# facet_var = c("F1", "F1", "F2")
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# )
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# # Basic plot
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# basic <- bar(test_df, x = "category", y = "value")
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# vdiffr::expect_doppelganger("basic-bar", basic)
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# # Grouped+dodged
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# grouped <- bar(test_df, x = "category", y = "value", group = "group")
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# vdiffr::expect_doppelganger("grouped-dodged-bar", grouped)
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# # Faceted
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# faceted <- bar(test_df, x = "category", y = "value", facet = "facet_var")
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# vdiffr::expect_doppelganger("faceted-bar", faceted)
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# # Stacked
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# stacked <- bar(test_df, x = "category", y = "value", group = "group", position = "stack")
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# vdiffr::expect_doppelganger("stacked-bar", stacked)
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# })
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