123 lines
3.0 KiB
Ruby
123 lines
3.0 KiB
Ruby
require 'spec_helper'
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module Producer::Core
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describe CLI do
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include ExitHelpers
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include FixturesHelpers
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let(:recipe_file) { fixture_path_for 'recipes/some_recipe.rb' }
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let(:arguments) { [recipe_file] }
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let(:stdout) { StringIO.new }
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subject(:cli) { CLI.new(arguments, stdout: stdout) }
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describe '.run!' do
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let(:output) { StringIO.new }
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subject(:run) { described_class.run! arguments, output: output }
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it 'builds a new CLI with given arguments' do
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expect(CLI).to receive(:new).with(arguments).and_call_original
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run
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end
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it 'runs the CLI' do
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cli = double 'cli'
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allow(CLI).to receive(:new) { cli }
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expect(cli).to receive :run
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run
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end
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context 'when recipe argument is missing' do
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let(:arguments) { [] }
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it 'exits with a return status of 64' do
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expect { run }.to raise_error(SystemExit) { |e|
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expect(e.status).to eq 64
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}
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end
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it 'prints the usage' do
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trap_exit { run }
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expect(output.string).to match /\AUsage: .+/
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end
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end
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end
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describe '#initialize' do
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it 'assigns the env with CLI output' do
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expect(cli.env.output).to be stdout
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end
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context 'without options' do
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subject(:cli) { CLI.new(arguments) }
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it 'assigns $stdout as the default standard output' do
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expect(cli.stdout).to be $stdout
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end
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end
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context 'without arguments' do
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let(:arguments) { [] }
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it 'raises our ArgumentError exception' do
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expect { cli }.to raise_error described_class::ArgumentError
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end
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end
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end
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describe '#arguments' do
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it 'returns the assigned arguments' do
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expect(cli.arguments).to eq arguments
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end
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end
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describe '#stdout' do
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it 'returns the assigned standard output' do
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expect(cli.stdout).to be stdout
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end
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end
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describe '#run' do
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it 'loads the recipe' do
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cli.run
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expect(cli.recipe).to be_a Recipe
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end
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it 'process recipe tasks with given worker' do
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worker = double 'worker'
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expect(worker).to receive(:process).with [kind_of(Task), kind_of(Task)]
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cli.run worker: worker
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end
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end
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describe '#env' do
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it 'returns an env' do
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expect(cli.env).to be_an Env
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end
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end
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describe '#load_recipe' do
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it 'evaluates the recipe file with the CLI env' do
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expect(Recipe)
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.to receive(:evaluate_from_file).with(recipe_file, cli.env)
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cli.load_recipe
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end
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it 'assigns the evaluated recipe' do
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cli.load_recipe
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expect(cli.recipe.tasks.count).to be 2
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end
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end
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describe '#build_worker' do
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it 'returns a worker' do
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expect(cli.build_worker).to be_a Worker
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end
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it 'assigns the CLI env' do
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expect(cli.build_worker.env).to eq cli.env
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end
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end
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end
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end
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