Basic blob tests

test/fixtures/blob/foo.rb

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+module Foo
+end

test/test_blob.rb

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+require 'linguist/blob'
+
+require 'test/unit'
+require 'mime/types'
+
+class TestBlob < Test::Unit::TestCase
+  include Linguist
+
+  class FixtureBlob
+    def initialize(name)
+      @name = name
+      @path = File.expand_path("../fixtures/blob/#{name}", __FILE__)
+    end
+
+    def name
+      @name
+    end
+
+    def mime_type
+      guesses = ::MIME::Types.type_for(name)
+      orginal_type = guesses.first ? guesses.first.simplified : 'text/plain'
+    end
+
+    def data
+      File.read(@path)
+    end
+
+    def size
+      File.size(@path)
+    end
+  end
+
+  def blob(name)
+    Blob.new(FixtureBlob.new(name))
+  end
+
+  def test_name
+    assert_equal Pathname.new("foo.rb"), blob("foo.rb").name
+  end
+
+  def test_mime_type
+    assert_equal "application/ruby", blob("foo.rb").mime_type
+  end
+
+  def test_data
+    assert_equal "module Foo\nend\n", blob("foo.rb").data
+  end
+
+  def test_size
+    assert_equal 15, blob("foo.rb").size
+  end
+end