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require 'spec_helper'
require 'active_support/core_ext/hash/indifferent_access'
describe Hashie::Extensions::DeepLocate do
let(:hash) do
{
from: 0,
size: 25,
query: {
bool: {
must: [
{
query_string: {
query: 'foobar',
default_operator: 'AND',
fields: [
'title^2',
'_all'
]
}
},
{
match: {
field_1: 'value_1'
}
},
{
range: {
lsr09: {
gte: 2014
}
}
}
],
should: [
{
match: {
field_2: 'value_2'
}
}
],
must_not: [
{
range: {
lsr10: {
gte: 2014
}
}
}
]
}
}
}
end
describe '.deep_locate' do
context 'if called with a non-callable comparator' do
it 'creates a key comparator on-th-fly' do
expect(described_class.deep_locate(:lsr10, hash))
.to eq([hash[:query][:bool][:must_not][0][:range]])
end
end
it 'locates enumerables for which the given comparator returns true for at least one element' do
examples = [
[
->(key, _value, _object) { key == :fields },
[
hash[:query][:bool][:must].first[:query_string]
]
],
[
->(_key, value, _object) { value.is_a?(String) && value.include?('value') },
[
hash[:query][:bool][:must][1][:match],
hash[:query][:bool][:should][0][:match]
]
],
[
lambda do |_key, _value, object|
object.is_a?(Array) &&
!object.extend(described_class).deep_locate(:match).empty?
end,
[
hash[:query][:bool][:must],
hash[:query][:bool][:should]
]
]
]
examples.each do |comparator, expected_result|
expect(described_class.deep_locate(comparator, hash)).to eq(expected_result)
end
end
it 'returns an empty array if nothing was found' do
expect(described_class.deep_locate(:muff, foo: 'bar')).to eq([])
end
end
context 'if extending an existing object' do
let(:extended_hash) do
hash.extend(described_class)
end
it 'adds #deep_locate' do
expect(extended_hash.deep_locate(:bool)).to eq([hash[:query]])
end
end
context 'if included in a hash' do
let(:derived_hash_with_extension_included) do
Class.new(Hash) do
include Hashie::Extensions::DeepLocate
end
end
let(:instance) do
derived_hash_with_extension_included.new.update(hash)
end
it 'adds #deep_locate' do
expect(instance.deep_locate(:bool)).to eq([hash[:query]])
end
end
context 'on an ActiveSupport::HashWithIndifferentAccess' do
let(:instance) { hash.dup.with_indifferent_access }
it 'can locate symbolic keys' do
expect(described_class.deep_locate(:lsr10, instance)).to eq ['lsr10' => { 'gte' => 2014 }]
end
it 'can locate string keys' do
expect(described_class.deep_locate('lsr10', instance)).to eq ['lsr10' => { 'gte' => 2014 }]
end
end
end
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