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@@ -2,9 +2,27 @@
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 require "fogbugz_offline/connection"
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 require "fogbugz_offline/commands"
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+require "pathname"
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+
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 module FogbugzOffline
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-  def self.config
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-    FogbugzOffline::Config.instance
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+  def self.home_path
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+    raise ArgumentError, "$HOME is undefined -- cannot proceed.  Define it in your environment." unless ENV["HOME"]
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+    pathname = Pathname.new(ENV["HOME"])
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+    raise ArgumentError, "$HOME is defined as #{pathname}, but does not exist." unless pathname.exist?
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+    raise ArgumentError, "$HOME is defined as #{pathname}, but is not a directory." unless pathname.directory?
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+    pathname
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+  end
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+
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+  def self.project_path
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+    Pathname.new(Dir.getwd)
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+  end
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+
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+  def self.global
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+    FogbugzOffline::Config.new(home_path + ".fogbugz_offline/config.yml")
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+  end
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+
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+  def self.local
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+    FogbugzOffline::Config.new(project_path + ".fogbugz_offline/config.yml")
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   end
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   def self.connection_to(url)

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@@ -1 +1,31 @@
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+require File.dirname(__FILE__) + "/spec_helper"
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+
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+describe FogbugzOffline, "#home_path" do
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+  before do
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+    ENV.stub!(:[]).with("HOME").and_return("/home/someuser")
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+    Pathname.stub!(:new).and_return(@pathname = mock("pathname"))
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+    @pathname.stub!(:exist?).and_return(true)
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+    @pathname.stub!(:directory?).and_return(true)
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+  end
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+
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+  it "should raise an ArgumentError if ENV does not have a key by the name HOME" do
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+    ENV.should_receive(:[]).with("HOME").and_return(nil)
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+    lambda { FogbugzOffline.home_path }.should raise_error(ArgumentError)
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+  end
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+
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+  it "should return a Pathname with the ENV[HOME] value" do
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+    Pathname.should_receive(:new).with("/home/someuser").and_return(@pathname)
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+    FogbugzOffline.home_path
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+  end
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+
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+  it "should raise an ArgumentError if ENV[HOME] does not exist as a path" do
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+    @pathname.should_receive(:exist?).and_return(false)
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+    lambda { FogbugzOffline.home_path }.should raise_error(ArgumentError)
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+  end
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+
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+  it "should raise an ArgumentError if ENV[HOME] is not a directory" do
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+    @pathname.should_receive(:directory?).and_return(false)
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+    lambda { FogbugzOffline.home_path }.should raise_error(ArgumentError)
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+  end
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+end