Add basic repository tests

lib/linguist/repository.rb

@@ -35,9 +35,8 @@ module Linguist
     def initialize(paths)
       @paths = paths
 
-      @stats     = nil
-      @languages = Hash.new { 0 }
-      @sizes     = Hash.new { 0 }
+      @stats = nil
+      @sizes = Hash.new { 0 }
     end
 
     def [](path)
@@ -45,7 +44,16 @@ module Linguist
     end
 
     def language
-      stats[:primary]
+      Language[stats[:primary]]
+    end
+
+    def languages
+      stats
+      @sizes
+    end
+
+    def size
+      stats[:total_size]
     end
 
     def stats
@@ -59,8 +67,7 @@ module Linguist
         language = blob.language
 
         if language.common?
-          @languages[language.name] += 1
-          @sizes[language.name]     += blob.size
+          @sizes[language.name] += blob.size
         end
       end
 

test/test_repository.rb

@@ -0,0 +1,59 @@
+require 'linguist/repository'
+
+require 'test/unit'
+
+class TestRepository < Test::Unit::TestCase
+  include Linguist
+
+  class FixtureBlob
+    def initialize(name, path)
+      @name = name
+      @path = path
+    end
+
+    def name
+      @name
+    end
+
+    def data
+      File.read(@path)
+    end
+
+    def size
+      File.size(@path)
+    end
+  end
+
+  def repo(base_path)
+    paths = Dir["#{base_path}/**/*"].inject({}) do |h, path|
+      if File.file?(path)
+        name = path.sub("#{base_path}/", '')
+        h[name] = Blob.new(FixtureBlob.new(name, path))
+      end
+      h
+    end
+    Repository.new(paths)
+  end
+
+  def linguist_repo
+    repo(File.expand_path("../..", __FILE__))
+  end
+
+  def test_lookup_path
+    assert linguist_repo['lib/linguist.rb']
+    assert_equal Language['Ruby'], linguist_repo['lib/linguist.rb'].language
+  end
+
+  def test_linguist_language
+    assert_equal Language['Ruby'], linguist_repo.language
+  end
+
+  def test_linguist_languages
+    assert linguist_repo.languages['Ruby'] > 30_000
+    assert linguist_repo.languages['Python'] < 1000
+  end
+
+  def test_linguist_size
+    assert linguist_repo.size > 30_000
+  end
+end