148 lines
4.7 KiB
Ruby
148 lines
4.7 KiB
Ruby
# frozen_string_literal: true
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require 'fast_spec_helper'
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RSpec.describe BulkImports::Pipeline do
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let(:context) { instance_double(BulkImports::Pipeline::Context, tracker: nil) }
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before do
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stub_const('BulkImports::Extractor', Class.new)
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stub_const('BulkImports::Transformer', Class.new)
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stub_const('BulkImports::Loader', Class.new)
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klass = Class.new do
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include BulkImports::Pipeline
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abort_on_failure!
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extractor BulkImports::Extractor, foo: :bar
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transformer BulkImports::Transformer, foo: :bar
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loader BulkImports::Loader, foo: :bar
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end
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stub_const('BulkImports::TestWikiPipeline', klass)
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end
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describe 'pipeline attributes' do
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describe 'getters' do
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it 'retrieves class attributes' do
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expect(BulkImports::TestWikiPipeline.get_extractor).to eq({ klass: BulkImports::Extractor, options: { foo: :bar } })
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expect(BulkImports::TestWikiPipeline.transformers).to contain_exactly({ klass: BulkImports::Transformer, options: { foo: :bar } })
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expect(BulkImports::TestWikiPipeline.get_loader).to eq({ klass: BulkImports::Loader, options: { foo: :bar } })
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expect(BulkImports::TestWikiPipeline.abort_on_failure?).to eq(true)
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expect(BulkImports::TestWikiPipeline.relation).to eq('test_wiki')
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end
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context 'when extractor and loader are defined within the pipeline' do
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before do
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klass = Class.new do
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include BulkImports::Pipeline
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def extract; end
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def load; end
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end
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stub_const('BulkImports::AnotherPipeline', klass)
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end
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it 'returns itself when retrieving extractor & loader' do
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pipeline = BulkImports::AnotherPipeline.new(context)
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expect(pipeline.send(:extractor)).to eq(pipeline)
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expect(pipeline.send(:loader)).to eq(pipeline)
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end
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end
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end
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describe 'setters' do
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it 'sets class attributes' do
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klass = Class.new
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options = { test: :test }
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BulkImports::TestWikiPipeline.extractor(klass, options)
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BulkImports::TestWikiPipeline.transformer(klass, options)
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BulkImports::TestWikiPipeline.loader(klass, options)
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BulkImports::TestWikiPipeline.abort_on_failure!
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BulkImports::TestWikiPipeline.file_extraction_pipeline!
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expect(BulkImports::TestWikiPipeline.get_extractor).to eq({ klass: klass, options: options })
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expect(BulkImports::TestWikiPipeline.transformers)
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.to contain_exactly(
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{ klass: BulkImports::Transformer, options: { foo: :bar } },
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{ klass: klass, options: options })
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expect(BulkImports::TestWikiPipeline.get_loader).to eq({ klass: klass, options: options })
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expect(BulkImports::TestWikiPipeline.abort_on_failure?).to eq(true)
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expect(BulkImports::TestWikiPipeline.file_extraction_pipeline?).to eq(true)
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end
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end
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end
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describe '#instantiate' do
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context 'when options are present' do
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it 'instantiates new object with options' do
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expect(BulkImports::Extractor).to receive(:new).with(foo: :bar)
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expect(BulkImports::Transformer).to receive(:new).with(foo: :bar)
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expect(BulkImports::Loader).to receive(:new).with(foo: :bar)
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pipeline = BulkImports::TestWikiPipeline.new(context)
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pipeline.send(:extractor)
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pipeline.send(:transformers)
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pipeline.send(:loader)
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end
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end
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context 'when options are missing' do
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before do
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klass = Class.new do
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include BulkImports::Pipeline
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extractor BulkImports::Extractor
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transformer BulkImports::Transformer
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loader BulkImports::Loader
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end
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stub_const('BulkImports::NoOptionsPipeline', klass)
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end
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it 'instantiates new object without options' do
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expect(BulkImports::Extractor).to receive(:new).with(no_args)
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expect(BulkImports::Transformer).to receive(:new).with(no_args)
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expect(BulkImports::Loader).to receive(:new).with(no_args)
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pipeline = BulkImports::NoOptionsPipeline.new(context)
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pipeline.send(:extractor)
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pipeline.send(:transformers)
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pipeline.send(:loader)
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end
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end
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end
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describe '#transformers' do
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before do
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klass = Class.new do
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include BulkImports::Pipeline
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transformer BulkImports::Transformer
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def transform; end
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end
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stub_const('BulkImports::TransformersPipeline', klass)
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end
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it 'has instance transform method first to run' do
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transformer = double
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allow(BulkImports::Transformer).to receive(:new).and_return(transformer)
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pipeline = BulkImports::TransformersPipeline.new(context)
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expect(pipeline.send(:transformers)).to eq([pipeline, transformer])
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end
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end
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end
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