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require 'action_controller/metal/strong_parameters'
class NestedParametersTest < ActiveSupport::TestCase
test "permitted nested parameters" do
params = ActionController::Parameters.new({
book: {
title: "Romeo and Juliet",
authors: [{
name: "William Shakespeare",
born: "1564-04-26"
}, {
name: "Christopher Marlowe"
}],
details: {
pages: 200,
genre: "Tragedy"
}
},
magazine: "Mjallo!"
})
permitted = params.permit book: [ :title, { authors: [ :name ] }, { details: :pages } ]
assert permitted.permitted?
assert_equal "Romeo and Juliet", permitted[:book][:title]
assert_equal "William Shakespeare", permitted[:book][:authors][0][:name]
assert_equal "Christopher Marlowe", permitted[:book][:authors][1][:name]
assert_equal 200, permitted[:book][:details][:pages]
assert_nil permitted[:book][:details][:genre]
assert_nil permitted[:book][:authors][1][:born]
assert_nil permitted[:magazine]
end
test "nested arrays with strings" do
params = ActionController::Parameters.new({
:book => {
:genres => ["Tragedy"]
}
})
permitted = params.permit :book => :genres
assert_equal ["Tragedy"], permitted[:book][:genres]
end
test "permit may specify symbols or strings" do
params = ActionController::Parameters.new({
:book => {
:title => "Romeo and Juliet",
:author => "William Shakespeare"
},
:magazine => "Shakespeare Today"
})
permitted = params.permit({:book => ["title", :author]}, "magazine")
assert_equal "Romeo and Juliet", permitted[:book][:title]
assert_equal "William Shakespeare", permitted[:book][:author]
assert_equal "Shakespeare Today", permitted[:magazine]
end
test "nested array with strings that should be hashes" do
params = ActionController::Parameters.new({
book: {
genres: ["Tragedy"]
}
})
permitted = params.permit book: { genres: :type }
assert_empty permitted[:book][:genres]
end
test "nested array with strings that should be hashes and additional values" do
params = ActionController::Parameters.new({
book: {
title: "Romeo and Juliet",
genres: ["Tragedy"]
}
})
permitted = params.permit book: [ :title, { genres: :type } ]
assert_equal "Romeo and Juliet", permitted[:book][:title]
assert_empty permitted[:book][:genres]
end
test "nested string that should be a hash" do
params = ActionController::Parameters.new({
book: {
genre: "Tragedy"
}
})
permitted = params.permit book: { genre: :type }
assert_nil permitted[:book][:genre]
end
end
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