context("options")
test_that("Local options", {
# Basic options
shinyOptions(a = 1, b = 2)
expect_true(contents_identical(shinyOptions(),list(a = 1, b = 2)))
expect_identical(getShinyOption('a'), 1)
expect_identical(getShinyOption('b'), 2)
# Options that haven't been set
expect_identical(getShinyOption('c'), NULL)
expect_identical(getShinyOption('c', default = 10), 10)
withLocalOptions({
# No changes yet
expect_true(contents_identical(shinyOptions(), list(a = 1, b = 2)))
expect_identical(getShinyOption('a'), 1)
expect_identical(getShinyOption('b'), 2)
# Override an option
shinyOptions(a = 3)
expect_true(contents_identical(shinyOptions(), list(b = 2, a = 3)))
expect_identical(getShinyOption('a'), 3)
expect_identical(getShinyOption('b'), 2)
# Options that haven't been set
expect_identical(getShinyOption('c'), NULL)
expect_identical(getShinyOption('c', default = 10), 10)
# Another local option set
withLocalOptions({
# Override an option
shinyOptions(a = 4)
expect_true(contents_identical(shinyOptions(), list(b = 2, a = 4)))
expect_identical(getShinyOption('a'), 4)
expect_identical(getShinyOption('b'), 2)
})
})
# Should be back to original state
expect_true(contents_identical(shinyOptions(), list(a = 1, b = 2)))
expect_identical(getShinyOption('a'), 1)
expect_identical(getShinyOption('b'), 2)
# Setting options to NULL removes them entirely
shinyOptions(b = NULL)
expect_identical(shinyOptions(), list(a = 1))
# Finish tests; reset shinyOptions
shinyOptions(a = NULL)
})
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