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Document current behaviour more thoroughly before altering it
#1108 Co-authored-by: Szymon Fiedler <[email protected]>
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ruby_event_store-active_record/spec/transactions_spec.rb
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# frozen_string_literal: true | ||
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require "spec_helper" | ||
require "ruby_event_store" | ||
require "ruby_event_store/spec/event_repository_lint" | ||
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module RubyEventStore | ||
module ActiveRecord | ||
::RSpec.describe EventRepository do | ||
helper = SpecHelper.new | ||
mk_repository = -> { EventRepository.new(serializer: helper.serializer) } | ||
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let(:repository) { mk_repository.call } | ||
let(:specification) do | ||
Specification.new( | ||
SpecificationReader.new(repository, Mappers::Default.new) | ||
) | ||
end | ||
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let(:stream) { Stream.new(SecureRandom.uuid) } | ||
let(:foo) { SRecord.new(event_id: SecureRandom.uuid) } | ||
let(:bar) { SRecord.new(event_id: SecureRandom.uuid) } | ||
let(:baz) { SRecord.new(event_id: SecureRandom.uuid) } | ||
let(:global_to_a) { repository.read(specification.result).to_a } | ||
let(:stream_to_a) do | ||
repository.read(specification.stream(stream.name).result).to_a | ||
end | ||
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around(:each) { |example| helper.run_lifecycle { example.run } } | ||
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around(:each) do |example| | ||
::ActiveRecord::Base.logger = | ||
Logger | ||
.new(STDOUT) | ||
.tap do |l| | ||
l.formatter = | ||
proc { |severity, datetime, progname, msg| "#{msg}\n" } | ||
end | ||
example.run | ||
::ActiveRecord::Base.logger = nil | ||
end | ||
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specify "no application transaction, event_id conflict" do | ||
repository.append_to_stream([foo], stream, ExpectedVersion.any) | ||
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expect do | ||
repository.append_to_stream([bar], stream, ExpectedVersion.any) | ||
repository.append_to_stream([foo], stream, ExpectedVersion.any) | ||
end.to raise_error(EventDuplicatedInStream) | ||
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expect(global_to_a).to eq([foo, bar]) | ||
expect(stream_to_a).to eq([foo, bar]) | ||
end | ||
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specify "no application transaction, expected_version conflict" do | ||
repository.append_to_stream([foo], stream, ExpectedVersion.none) | ||
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expect do | ||
repository.append_to_stream([bar], stream, ExpectedVersion.any) | ||
repository.append_to_stream([baz], stream, ExpectedVersion.none) | ||
end.to raise_error(WrongExpectedEventVersion) | ||
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expect(global_to_a).to eq([foo, bar]) | ||
expect(stream_to_a).to eq([foo, bar]) | ||
end | ||
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specify "application transaction, event_id conflict" do | ||
repository.append_to_stream([foo], stream, ExpectedVersion.any) | ||
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expect do | ||
helper.with_transaction do | ||
repository.append_to_stream([bar], stream, ExpectedVersion.any) | ||
repository.append_to_stream([foo], stream, ExpectedVersion.any) | ||
end | ||
end.to raise_error(EventDuplicatedInStream) | ||
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expect(global_to_a).to eq([foo]) | ||
expect(stream_to_a).to eq([foo]) | ||
end | ||
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specify "application transaction, expected_version conflict" do | ||
repository.append_to_stream([foo], stream, ExpectedVersion.none) | ||
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expect do | ||
helper.with_transaction do | ||
repository.append_to_stream([bar], stream, ExpectedVersion.any) | ||
repository.append_to_stream([baz], stream, ExpectedVersion.none) | ||
end | ||
end.to raise_error(WrongExpectedEventVersion) | ||
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expect(global_to_a).to eq([foo]) | ||
expect(stream_to_a).to eq([foo]) | ||
end | ||
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specify "application transaction, event_id conflict — rescued" do | ||
repository.append_to_stream([foo], stream, ExpectedVersion.any) | ||
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helper.with_transaction do | ||
begin | ||
repository.append_to_stream([bar], stream, ExpectedVersion.any) | ||
repository.append_to_stream([foo], stream, ExpectedVersion.any) | ||
rescue EventDuplicatedInStream | ||
end | ||
end | ||
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expect(global_to_a).to eq([foo, bar]) | ||
expect(stream_to_a).to eq([foo, bar]) | ||
end | ||
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specify "application transaction, expected_version conflict — rescued" do | ||
repository.append_to_stream([foo], stream, ExpectedVersion.none) | ||
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helper.with_transaction do | ||
begin | ||
repository.append_to_stream([bar], stream, ExpectedVersion.any) | ||
repository.append_to_stream([baz], stream, ExpectedVersion.none) | ||
rescue WrongExpectedEventVersion | ||
end | ||
end | ||
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expect(global_to_a).to eq([foo, bar]) | ||
expect(stream_to_a).to eq([foo, bar]) | ||
end | ||
end | ||
end | ||
end |