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# frozen_string_literal: true
require 'fast_spec_helper'
require_relative '../../../../scripts/lib/glfm/verify_all_generated_files_are_up_to_date'
# IMPORTANT NOTE: See https://docs.gitlab.com/ee/development/gitlab_flavored_markdown/specification_guide/#verify-all-generated-files-are-up-to-daterb-script
# for details on the implementation and usage of the `verify_all_generated_files_are_up_to_date.rb` script being tested.
# This developers guide contains diagrams and documentation of the script,
# including explanations and examples of all files it reads and writes.
RSpec.describe Glfm::VerifyAllGeneratedFilesAreUpToDate, '#process' do
subject { described_class.new }
let(:output_path) { described_class::GLFM_OUTPUT_SPEC_PATH }
let(:snapshots_path) { described_class::ES_OUTPUT_EXAMPLE_SNAPSHOTS_PATH }
let(:verify_cmd) { "git status --porcelain #{output_path} #{snapshots_path}" }
before do
# Prevent console output when running tests
allow(subject).to receive(:output)
end
context 'when repo is dirty' do
before do
# Simulate a dirty repo
allow(subject).to receive(:run_external_cmd).with(verify_cmd).and_return(" M #{output_path}")
end
it 'raises an error', :unlimited_max_formatted_output_length do
expect { subject.process }.to raise_error(/Cannot run.*uncommitted changes.*#{output_path}/m)
end
end
context 'when repo is clean' do
before do
# Mock out all yarn install and script execution
allow(subject).to receive(:run_external_cmd).with('yarn install --frozen-lockfile')
allow(subject).to receive(:run_external_cmd).with(/update-specification.rb/)
allow(subject).to receive(:run_external_cmd).with(/update-example-snapshots.rb/)
end
context 'when all generated files are up to date' do
before do
# Simulate a clean repo, then simulate no changes to generated files
allow(subject).to receive(:run_external_cmd).twice.with(verify_cmd).and_return('', '')
end
it 'does not raise an error', :unlimited_max_formatted_output_length do
expect { subject.process }.not_to raise_error
end
end
context 'when generated file(s) are not up to date' do
before do
# Simulate a clean repo, then simulate changes to generated files
allow(subject).to receive(:run_external_cmd).twice.with(verify_cmd).and_return('', "M #{snapshots_path}")
end
it 'raises an error', :unlimited_max_formatted_output_length do
expect { subject.process }.to raise_error(/following files were modified.*#{snapshots_path}/m)
end
end
end
end
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