add initial Faraday::Connection with #get method

lib/faraday.rb

@@ -0,0 +1,3 @@
+module Faraday
+  autoload :Connection, 'faraday/connection'
+end

lib/faraday/connection.rb

@@ -0,0 +1,22 @@
+require 'addressable/uri'
+module Faraday
+  class Connection
+    include Addressable
+
+    def get(url, params = {}, headers = {})
+      uri       = URI.parse(url)
+      uri.query = params_to_query(params)
+      _get(uri, headers)
+    end
+
+    def params_to_query(params)
+      params.inject([]) do |memo, (key, val)|
+        memo << "#{URI.escape(key)}=#{URI.escape(val)}"
+      end.join("&")
+    end
+
+    def _get(uri, headers)
+      raise NotImplementedError
+    end
+  end
+end

test/connection_test.rb

@@ -0,0 +1,30 @@
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
+
+class TestConnection < Faraday::TestCase
+  describe "#get" do
+    it "parses url/params into #path" do
+      conn = FakeConnection.new
+      resp = conn.get("http://abc.com/def.html")
+      assert_equal '/def.html', resp.uri.path
+    end
+
+    it "parses url/params into #query" do
+      conn = FakeConnection.new
+      resp = conn.get("http://abc.com/def.html", 'a[b]' => '1 + 2')
+      assert_equal "a%5Bb%5D=1%20+%202", resp.uri.query
+    end
+
+    it "parses url into #host" do
+      conn = FakeConnection.new
+      resp = conn.get("http://abc.com/def.html")
+      assert_equal "abc.com", resp.uri.host
+    end
+  end
+
+  describe "#params_to_query" do
+    it "converts hash of params to URI-escaped query string" do
+      conn = Faraday::Connection.new
+      assert_equal "a%5Bb%5D=1%20+%202", conn.params_to_query('a[b]' => '1 + 2')
+    end
+  end
+end

test/helper.rb

@@ -1,9 +1,19 @@
 require 'rubygems'
-require 'test/unit'
+require 'context'
 
 $LOAD_PATH.unshift(File.dirname(__FILE__))
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 require 'faraday'
 
-class Test::Unit::TestCase
+module Faraday
+  class TestCase < Test::Unit::TestCase
+    class FakeConnection < Faraday::Connection
+      def _get(uri, headers)
+        FakeResponse.new(uri, nil, headers)
+      end
+    end
+
+    class FakeResponse < Struct.new(:uri, :content, :headers)
+    end
+  end
 end