Files
linguist/test/test_samples.rb
2016-03-18 16:47:09 -06:00

93 lines
3.5 KiB
Ruby

require_relative "./helper"
require "tempfile"
class TestSamples < Minitest::Test
include Linguist
def test_up_to_date
assert serialized = Samples.cache
assert latest = Samples.data
# Just warn, it shouldn't scare people off by breaking the build.
if serialized['md5'] != latest['md5']
warn "Samples database is out of date. Run `bundle exec rake samples`."
expected = Tempfile.new('expected.json')
expected.write Yajl.dump(serialized, :pretty => true)
expected.close
actual = Tempfile.new('actual.json')
actual.write Yajl.dump(latest, :pretty => true)
actual.close
expected.unlink
actual.unlink
end
end
def test_verify
assert data = Samples.cache
assert_equal data['languages_total'], data['languages'].inject(0) { |n, (_, c)| n += c }
assert_equal data['tokens_total'], data['language_tokens'].inject(0) { |n, (_, c)| n += c }
assert_equal data['tokens_total'], data['tokens'].inject(0) { |n, (_, ts)| n += ts.inject(0) { |m, (_, c)| m += c } }
assert !data["interpreters"].empty?
end
def test_ext_or_shebang
Samples.each do |sample|
if sample[:extname].to_s.empty? && !sample[:filename]
assert sample[:interpreter], "#{sample[:path]} should have a file extension or a shebang, maybe it belongs in filenames/ subdir"
end
end
end
# Check that there aren't samples with extensions or interpreters that
# aren't explicitly defined in languages.yml
languages_yml = File.expand_path("../../lib/linguist/languages.yml", __FILE__)
YAML.load_file(languages_yml).each do |name, options|
define_method "test_samples_have_parity_with_languages_yml_for_#{name}" do
options['extensions'] ||= []
if extnames = Samples.cache['extnames'][name]
extnames.each do |extname|
assert options['extensions'].index { |x| x.downcase.end_with? extname.downcase }, "#{name} has a sample with extension (#{extname.downcase}) that isn't explicitly defined in languages.yml"
end
end
options['interpreters'] ||= []
if interpreters = Samples.cache['interpreters'][name]
interpreters.each do |interpreter|
assert options['interpreters'].include?(interpreter),
"#{name} has a sample with an interpreter (#{interpreter}) that isn't explicitly defined in languages.yml"
end
end
end
end
# If a language extension isn't globally unique then make sure there are samples
Linguist::Language.all.each do |language|
define_method "test_#{language.name}_has_samples" do
language.extensions.each do |extension|
language_matches = Language.find_by_extension(extension)
# Check for samples if more than one language matches the given extension.
if language_matches.length > 1
language_matches.each do |match|
samples = "samples/#{match.name}/*#{extension}"
assert Dir.glob(samples, File::FNM_CASEFOLD).any?, "Missing samples in #{samples.inspect}. See https://github.com/github/linguist/blob/master/CONTRIBUTING.md"
end
end
end
language.filenames.each do |filename|
# Check for samples if more than one language matches the given filename
if Language.find_by_filename(filename).size > 1
sample = "samples/#{language.name}/filenames/#{filename}"
assert File.exist?(sample),
"Missing sample in #{sample.inspect}. See https://github.com/github/linguist/blob/master/CONTRIBUTING.md"
end
end
end
end
end