71 lines
1.9 KiB
Ruby
71 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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require 'fast_spec_helper'
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RSpec.describe Gitlab::Utils::InlineHash do
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describe '.merge_keys' do
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subject { described_class.merge_keys(source) }
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let(:source) do
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{
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nested_param: {
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key: :Value
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},
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'root_param' => 'Root',
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unnested_symbol_key: :unnested_symbol_value,
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12 => 22,
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'very' => {
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'deep' => {
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'nested' => {
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'param' => 'Deep nested value'
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}
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}
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}
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}
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end
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it 'transforms a nested hash into a one-level hash' do
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is_expected.to eq(
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'nested_param.key' => :Value,
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'root_param' => 'Root',
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:unnested_symbol_key => :unnested_symbol_value,
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12 => 22,
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'very.deep.nested.param' => 'Deep nested value'
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)
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end
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it 'retains key insertion order' do
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expect(subject.keys)
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.to eq(['nested_param.key', 'root_param', :unnested_symbol_key, 12, 'very.deep.nested.param'])
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end
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context 'with a custom connector' do
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subject { described_class.merge_keys(source, connector: '::') }
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it 'uses the connector to merge keys' do
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is_expected.to eq(
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'nested_param::key' => :Value,
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'root_param' => 'Root',
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:unnested_symbol_key => :unnested_symbol_value,
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12 => 22,
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'very::deep::nested::param' => 'Deep nested value'
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)
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end
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end
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context 'with a starter prefix' do
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subject { described_class.merge_keys(source, prefix: 'options') }
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it 'prefixes all the keys' do
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is_expected.to eq(
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'options.nested_param.key' => :Value,
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'options.root_param' => 'Root',
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'options.unnested_symbol_key' => :unnested_symbol_value,
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'options.12' => 22,
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'options.very.deep.nested.param' => 'Deep nested value'
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)
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end
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end
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end
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end
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