Merge branch 'delftswa2014-static-file-test'

* delftswa2014-static-file-test:
  DRY up the StaticFile tests a bit. #3633.
  Added tests for Jekyll:StaticFile

.gitignore

@@ -17,3 +17,4 @@ coverage
 tmp/*
 .jekyll-metadata
 /vendor
+/test/source/file_name.txt

test/test_static_file.rb

@@ -0,0 +1,86 @@
+require 'helper'
+
+class TestStaticFile < JekyllUnitTest
+  def make_dummy_file(filename)
+    File.write(source_dir(filename), "some content")
+  end
+
+  def modify_dummy_file(filename)
+    offset = "some content".size
+    File.write(source_dir(filename), "more content", offset)
+  end
+
+  def remove_dummy_file(filename)
+    File.delete(source_dir(filename))
+  end
+
+  def setup_static_file(base, dir, name)
+    StaticFile.new(@site, base, dir, name)
+  end
+
+  context "A StaticFile" do
+    setup do
+      clear_dest
+      @old_pwd = Dir.pwd
+      Dir.chdir source_dir
+      @site = fixture_site
+      @filename = "static_file.txt"
+      make_dummy_file(@filename)
+      @static_file = setup_static_file(nil, nil, @filename)
+    end
+
+    teardown do
+      remove_dummy_file(@filename) if File.exist?(source_dir(@filename))
+      Dir.chdir @old_pwd
+    end
+
+    should "have a source file path" do
+      static_file = setup_static_file("root", "dir", @filename)
+      assert_equal "root/dir/#{@filename}", static_file.path
+    end
+
+    should "ignore a nil base or dir" do
+      assert_equal "dir/#{@filename}", setup_static_file(nil, "dir", @filename).path
+      assert_equal "base/#{@filename}", setup_static_file("base", nil, @filename).path
+    end
+
+    should "have a destination relative directory without a collection" do
+      static_file = setup_static_file("root", "dir/subdir", "file.html")
+      assert "dir/subdir", static_file.destination_rel_dir
+    end
+
+    should "know its last modification time" do
+      assert_equal Time.new.to_i, @static_file.mtime
+    end
+
+    should "known if the source path is modified, when it is" do
+      sleep 1
+      modify_dummy_file(@filename)
+      assert @static_file.modified?
+    end
+
+    should "known if the source path is modified, when its not" do
+      @static_file.write(dest_dir)
+      sleep 1 # wait, else the times are still the same
+      assert !@static_file.modified?
+    end
+
+    should "known whether to write the file to the filesystem" do
+      assert @static_file.write?, "always true, with current implementation"
+    end
+
+    should "be able to write itself to the desitination direcotry" do
+      assert @static_file.write(dest_dir)
+    end
+
+    should "be able to convert to liquid" do
+      expected = {
+          "path" => "/static_file.txt",
+          "modified_time" => @static_file.mtime.to_s,
+          "extname" => ".txt"
+      }
+      assert_equal expected, @static_file.to_liquid
+    end
+  end
+end
+