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@@ -1,5 +1,25 @@
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+require "yaml"
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+
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 module FogbugzOffline
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   class GlobalConfig
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+    attr_reader :path, :config
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+
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+    def initialize(path)
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+      @path = path
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+
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+      begin
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+        @config = YAML.load_file(@path)
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+      rescue SystemCallError
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+        @config = Hash.new
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+      end
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+    end
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+
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+    def write
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+      @path.dirname.mkdir unless @path.dirname.directory?
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+      File.open(@path, "wb") do |io|
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+        YAML.dump(@config, io)
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+      end
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+    end
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   end
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 end

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@@ -1 +1,56 @@
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+require File.dirname(__FILE__) + "/spec_helper"
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+require "yaml"
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+
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+describe FogbugzOffline::GlobalConfig, "#initialize" do
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+  before do
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+    YAML.stub!(:load_file).and_return(@config = {"http://my.project.com/" => []})
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+  end
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+
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+  it "should read the config file as YAML" do
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+    YAML.should_receive(:load_file).with(path = mock("config file path")).and_return({})
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+    FogbugzOffline::GlobalConfig.new(path)
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+  end
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+
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+  it "should rescue Errno::ENOENT and not raise any exception" do
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+    YAML.stub!(:load_file).and_raise(Errno::ENOENT)
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+    lambda { FogbugzOffline::GlobalConfig.new(mock("config file path")) }.should_not raise_error
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+  end
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+
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+  it "should make the config available in #config" do
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+    global = FogbugzOffline::GlobalConfig.new(mock("config file path"))
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+    global.config.should == @config
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+  end
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+
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+  it "should remember the original path in #path" do
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+    global = FogbugzOffline::GlobalConfig.new(path = mock("config file path"))
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+    global.path.should == path
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+  end
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+end
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+
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+describe FogbugzOffline::GlobalConfig, "#write" do
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+  before do
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+    YAML.stub!(:load_file).and_return(@config = {"config" => "value"})
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+    @global = FogbugzOffline::GlobalConfig.new(@path = Pathname.new("config file path"))
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+    @path.stub!(:dirname).and_return(@dir = mock("config file dir"))
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+    @dir.stub!(:directory?).and_return(true)
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+    File.stub!(:open).and_yield(@io = mock("io"))
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+    YAML.stub!(:dump)
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+  end
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+
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+  it "should open a File for writing on the original path" do
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+    File.should_receive(:open).with(@path, "wb")
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+    @global.write
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+  end
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+
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+  it "should call YAML#dump with @config and @io" do
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+    YAML.should_receive(:dump).with(@config, @io)
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+    @global.write
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+  end
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+
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+  it "should create missing directories in the path" do
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+    @dir.stub!(:directory?).and_return(false)
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+    @dir.should_receive(:mkdir)
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+    @global.write
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+  end
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+end