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# frozen_string_literal: true
RSpec.shared_examples 'import/export json legacy reader' do
let(:relation_names) { [] }
let(:legacy_reader) do
described_class.new(
data,
relation_names: relation_names,
allowed_path: "project")
end
describe '#consume_attributes' do
context 'when valid path is passed' do
subject { legacy_reader.consume_attributes("project") }
context 'no excluded attributes' do
let(:excluded_attributes) { [] }
let(:relation_names) { [] }
it 'returns the whole tree from parsed JSON' do
expect(subject).to eq(json_data)
end
end
context 'some attributes are excluded' do
let(:relation_names) { %w[milestones labels] }
it 'returns hash without excluded attributes and relations' do
expect(subject).not_to include('milestones', 'labels')
end
end
end
context 'when invalid path is passed' do
it 'raises an exception' do
expect { legacy_reader.consume_attributes("invalid-path") }
.to raise_error(ArgumentError)
end
end
end
describe '#consume_relation' do
context 'when valid path is passed' do
let(:key) { 'description' }
context 'block not given' do
it 'returns value of the key' do
expect(legacy_reader).to receive(:relations).and_return({ key => 'test value' })
expect(legacy_reader.consume_relation("project", key)).to eq('test value')
end
end
context 'key has been consumed' do
before do
legacy_reader.consume_relation("project", key)
end
it 'does not yield' do
expect do |blk|
legacy_reader.consume_relation("project", key, &blk)
end.not_to yield_control
end
end
context 'value is nil' do
before do
expect(legacy_reader).to receive(:relations).and_return({ key => nil })
end
it 'does not yield' do
expect do |blk|
legacy_reader.consume_relation("project", key, &blk)
end.not_to yield_control
end
end
context 'value is not array' do
before do
expect(legacy_reader).to receive(:relations).and_return({ key => 'value' })
end
it 'yield the value with index 0' do
expect do |blk|
legacy_reader.consume_relation("project", key, &blk)
end.to yield_with_args('value', 0)
end
end
context 'value is an array' do
before do
expect(legacy_reader).to receive(:relations).and_return({ key => %w[item1 item2 item3] })
end
it 'yield each array element with index' do
expect do |blk|
legacy_reader.consume_relation("project", key, &blk)
end.to yield_successive_args(['item1', 0], ['item2', 1], ['item3', 2])
end
end
end
context 'when invalid path is passed' do
it 'raises an exception' do
expect { legacy_reader.consume_relation("invalid") }
.to raise_error(ArgumentError)
end
end
end
end
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