require_relative '../test_helper' module Generator class CommandLineTest < Minitest::Test FixturePaths = Paths.new( metadata: 'test/fixtures/metadata', track: 'test/fixtures/ruby' ) def test_parse expected_stderr = 'Exercise name required' assert_output(/Usage:/, /#{expected_stderr}/) do refute CommandLine.new(FixturePaths).parse([]) end end def test_invalid_metadata_repository_outputs_message_to_stderr paths = Paths.new(metadata: 'test/fixtures/nonexistent', track: nil) expected_stderr = <<-MESSAGE.gsub(/^ {6}/, '') 'problem-specifications' repository not found. Try running the command: git clone https://github.com/exercism/problem-specifications.git "test/fixtures/nonexistent" MESSAGE assert_output nil, /#{expected_stderr}/ do refute CommandLine.new(paths).parse([]) end end def test_usage_help args = %w(-h) assert_output(/Usage:/, nil) do refute CommandLine.new(FixturePaths).parse(args) end end def test_usage_help_with_exercise args = %w(-h beta) assert_output(/Usage:/, nil) do refute CommandLine.new(FixturePaths).parse(args) end end def test_usage_help_includes_available_generators args = %w(-h) fake_generators = %w(some fake generator names also-hyphen-ated) Files::GeneratorCases.stub :available, fake_generators do assert_output(/#{fake_generators.sort.join(' ')}/, nil) do refute CommandLine.new(FixturePaths).parse(args) end end end def test_validate_missing_generator args = %w(nonexistent) Files::GeneratorCases.stub :available, [] do assert_output(nil, /A generator does not currently exist fo/) do refute CommandLine.new(FixturePaths).parse(args) end end end def test_default_options args = %w(beta) Files::GeneratorCases.stub :available, %w(beta) do assert_instance_of UpdateVersionAndGenerateTests, CommandLine.new(FixturePaths).parse(args).first end end def test_frozen_option args = %w(-f beta) Files::GeneratorCases.stub :available, %w(beta) do assert_instance_of GenerateTests, CommandLine.new(FixturePaths).parse(args).first end end def test_all_option args = %w(--all) fake_generators = %w(some fake generator names also-hyphen-ated) Files::GeneratorCases.stub :available, fake_generators do generators = CommandLine.new(FixturePaths).parse(args) assert_equal fake_generators.size, generators.size assert_instance_of GenerateTests, generators.first end end def test_verbose_option args = %w(-v beta) Files::GeneratorCases.stub :available, %w(beta) do assert_instance_of UpdateVersionAndGenerateTests, CommandLine.new(FixturePaths).parse(args).first end end end end