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require 'spec_helper'
describe Hash do
it 'is convertible to a Hashie::Mash' do
mash = Hashie::Hash[some: 'hash'].to_mash
expect(mash.is_a?(Hashie::Mash)).to be_truthy
expect(mash.some).to eq 'hash'
end
it '#stringify_keys! turns all keys into strings' do
hash = Hashie::Hash[a: 'hey', 123 => 'bob']
hash.stringify_keys!
expect(hash).to eq Hashie::Hash['a' => 'hey', '123' => 'bob']
end
it '#stringify_keys! turns all keys into strings recursively' do
hash = Hashie::Hash[a: 'hey', 123 => { 345 => 'hey' }]
hash.stringify_keys!
expect(hash).to eq Hashie::Hash['a' => 'hey', '123' => { '345' => 'hey' }]
end
it '#stringify_keys returns a hash with stringified keys' do
hash = Hashie::Hash[a: 'hey', 123 => 'bob']
stringified_hash = hash.stringify_keys
expect(hash).to eq Hashie::Hash[a: 'hey', 123 => 'bob']
expect(stringified_hash).to eq Hashie::Hash['a' => 'hey', '123' => 'bob']
end
it '#to_hash returns a hash with same keys' do
hash = Hashie::Hash['a' => 'hey', 123 => 'bob', 'array' => [1, 2, 3]]
stringified_hash = hash.to_hash
expect(stringified_hash).to eq('a' => 'hey', 123 => 'bob', 'array' => [1, 2, 3])
end
it '#to_hash with stringify_keys set to true returns a hash with stringified_keys' do
hash = Hashie::Hash['a' => 'hey', 123 => 'bob', 'array' => [1, 2, 3]]
symbolized_hash = hash.to_hash(stringify_keys: true)
expect(symbolized_hash).to eq('a' => 'hey', '123' => 'bob', 'array' => [1, 2, 3])
end
it '#to_hash with symbolize_keys set to true returns a hash with symbolized keys' do
hash = Hashie::Hash['a' => 'hey', 123 => 'bob', 'array' => [1, 2, 3]]
symbolized_hash = hash.to_hash(symbolize_keys: true)
expect(symbolized_hash).to eq(a: 'hey', :"123" => 'bob', array: [1, 2, 3])
end
it "#to_hash should not blow up when #to_hash doesn't accept arguments" do
class BareCustomMash < Hashie::Mash
def to_hash
{}
end
end
h = Hashie::Hash.new
h[:key] = BareCustomMash.new
expect { h.to_hash }.not_to raise_error
end
describe 'when the value is an object that respond_to to_hash' do
class ClassRespondsToHash
def to_hash(options = {})
Hashie::Hash['a' => 'hey', b: 'bar', 123 => 'bob', 'array' => [1, 2, 3]].to_hash(options)
end
end
it '#to_hash returns a hash with same keys' do
hash = Hashie::Hash[
'a' => 'hey',
123 => 'bob',
'array' => [1, 2, 3],
subhash: ClassRespondsToHash.new
]
stringified_hash = hash.to_hash
expected = {
'a' => 'hey',
123 => 'bob',
'array' => [1, 2, 3],
subhash: { 'a' => 'hey', b: 'bar', 123 => 'bob', 'array' => [1, 2, 3] }
}
expect(stringified_hash).to eq(expected)
end
it '#to_hash with stringify_keys set to true returns a hash with stringified_keys' do
hash = Hashie::Hash[
'a' => 'hey',
123 => 'bob',
'array' => [1, 2, 3],
subhash: ClassRespondsToHash.new
]
symbolized_hash = hash.to_hash(stringify_keys: true)
expected = {
'a' => 'hey',
'123' => 'bob',
'array' => [1, 2, 3],
'subhash' => { 'a' => 'hey', 'b' => 'bar', '123' => 'bob', 'array' => [1, 2, 3] }
}
expect(symbolized_hash).to eq(expected)
end
it '#to_hash with symbolize_keys set to true returns a hash with symbolized keys' do
hash = Hashie::Hash[
'a' => 'hey',
123 => 'bob',
'array' => [1, 2, 3],
subhash: ClassRespondsToHash.new
]
symbolized_hash = hash.to_hash(symbolize_keys: true)
expected = {
a: 'hey',
:"123" => 'bob',
array: [1, 2, 3],
subhash: { a: 'hey', b: 'bar', :'123' => 'bob', array: [1, 2, 3] }
}
expect(symbolized_hash).to eq(expected)
end
end
end
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