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require 'abstract_unit'
require 'action_controller/metal/strong_parameters'
class NestedParametersTest < ActiveSupport::TestCase
def assert_filtered_out(params, key)
assert !params.has_key?(key), "key #{key.inspect} has not been filtered out"
end
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"
}, {
name: %w(malicious injected names)
}],
details: {
pages: 200,
genre: "Tragedy"
},
id: {
isbn: 'x'
}
},
magazine: "Mjallo!"
})
permitted = params.permit book: [ :title, { authors: [ :name ] }, { details: :pages }, :id ]
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_filtered_out permitted, :magazine
assert_filtered_out permitted[:book], :id
assert_filtered_out permitted[:book][:details], :genre
assert_filtered_out permitted[:book][:authors][0], :born
assert_filtered_out permitted[:book][:authors][2], :name
end
test "permitted nested parameters with a string or a symbol as a key" do
params = ActionController::Parameters.new({
book: {
'authors' => [
{ name: 'William Shakespeare', born: '1564-04-26' },
{ name: 'Christopher Marlowe' }
]
}
})
permitted = params.permit book: [ { 'authors' => [ :name ] } ]
assert_equal 'William Shakespeare', permitted[:book]['authors'][0][:name]
assert_equal 'William Shakespeare', permitted[:book][:authors][0][:name]
assert_equal 'Christopher Marlowe', permitted[:book]['authors'][1][:name]
assert_equal 'Christopher Marlowe', permitted[:book][:authors][1][:name]
permitted = params.permit book: [ { authors: [ :name ] } ]
assert_equal 'William Shakespeare', permitted[:book]['authors'][0][:name]
assert_equal 'William Shakespeare', permitted[:book][:authors][0][:name]
assert_equal 'Christopher Marlowe', permitted[:book]['authors'][1][:name]
assert_equal 'Christopher Marlowe', permitted[:book][:authors][1][:name]
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
test "fields_for-style nested params" do
params = ActionController::Parameters.new({
book: {
authors_attributes: {
:'0' => { name: 'William Shakespeare', age_of_death: '52' },
:'1' => { name: 'Unattributed Assistant' },
:'2' => { name: %w(injected names) }
}
}
})
permitted = params.permit book: { authors_attributes: [ :name ] }
assert_not_nil permitted[:book][:authors_attributes]['0']
assert_not_nil permitted[:book][:authors_attributes]['1']
assert_empty permitted[:book][:authors_attributes]['2']
assert_equal 'William Shakespeare', permitted[:book][:authors_attributes]['0'][:name]
assert_equal 'Unattributed Assistant', permitted[:book][:authors_attributes]['1'][:name]
assert_filtered_out permitted[:book][:authors_attributes]['0'], :age_of_death
end
test "fields_for-style nested params with negative numbers" do
params = ActionController::Parameters.new({
book: {
authors_attributes: {
:'-1' => { name: 'William Shakespeare', age_of_death: '52' },
:'-2' => { name: 'Unattributed Assistant' }
}
}
})
permitted = params.permit book: { authors_attributes: [:name] }
assert_not_nil permitted[:book][:authors_attributes]['-1']
assert_not_nil permitted[:book][:authors_attributes]['-2']
assert_equal 'William Shakespeare', permitted[:book][:authors_attributes]['-1'][:name]
assert_equal 'Unattributed Assistant', permitted[:book][:authors_attributes]['-2'][:name]
assert_filtered_out permitted[:book][:authors_attributes]['-1'], :age_of_death
end
test "nested number as key" do
params = ActionController::Parameters.new({
product: {
properties: {
'0' => "prop0",
'1' => "prop1"
}
}
})
params = params.require(:product).permit(:properties => ["0"])
assert_not_nil params[:properties]["0"]
assert_nil params[:properties]["1"]
assert_equal "prop0", params[:properties]["0"]
end
end
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