Seperate test file for samples

test/test_samples.rb

@@ -0,0 +1,25 @@
+require 'linguist/samples'
+
+require 'test/unit'
+
+class TestSamples < Test::Unit::TestCase
+  include Linguist
+
+  def test_up_to_date
+    assert serialized = Samples::DATA
+    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+      warn "Samples database is out of date.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`."
+    end
+  end
+
+  def test_verify
+    assert data = Samples::DATA
+
+    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 } }
+  end
+end