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diff --git a/spec/unit/provider/group/groupadd_spec.rb b/spec/unit/provider/group/groupadd_spec.rb
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+++ b/spec/unit/provider/group/groupadd_spec.rb
@@ -0,0 +1,161 @@
+#
+# Author:: AJ Christensen (<aj@opscode.com>)
+# Copyright:: Copyright (c) 2008 OpsCode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require 'spec_helper'
+
+describe Chef::Provider::Group::Groupadd, "set_options" do
+  before do
+    @node = Chef::Node.new
+    @events = Chef::EventDispatch::Dispatcher.new
+    @run_context = Chef::RunContext.new(@node, {}, @events)
+    @new_resource = Chef::Resource::Group.new("aj")
+    @new_resource.gid(50)
+    @new_resource.members(["root", "aj"])
+    @new_resource.system false
+    @current_resource = Chef::Resource::Group.new("aj")
+    @current_resource.gid(50)
+    @current_resource.members(["root", "aj"])
+    @current_resource.system false
+    @provider = Chef::Provider::Group::Groupadd.new(@new_resource, @run_context)
+    @provider.current_resource = @current_resource
+  end
+
+  field_list = {
+    :gid => "-g"
+  }
+
+  field_list.each do |attribute, option|
+    it "should check for differences in #{attribute.to_s} between the current and new resources" do
+        @new_resource.should_receive(attribute)
+        @current_resource.should_receive(attribute)
+        @provider.set_options
+    end
+    it "should set the option for #{attribute} if the new resources #{attribute} is not null" do
+      @new_resource.stub!(attribute).and_return("wowaweea")
+      @provider.set_options.should eql(" #{option} '#{@new_resource.send(attribute)}' #{@new_resource.group_name}")
+    end
+  end
+
+  it "should combine all the possible options" do
+    match_string = ""
+    field_list.sort{ |a,b| a[0] <=> b[0] }.each do |attribute, option|
+      @new_resource.stub!(attribute).and_return("hola")
+      match_string << " #{option} 'hola'"
+    end
+    match_string << " aj"
+    @provider.set_options.should eql(match_string)
+  end
+
+  describe "when we want to create a system group" do
+    it "should not set groupadd_options '-r' when system is false" do
+      @new_resource.system(false)
+      @provider.groupadd_options.should_not =~ /-r/
+    end
+
+    it "should set groupadd -r if system is true" do
+      @new_resource.system(true)
+      @provider.groupadd_options.should == " -r"
+    end
+  end
+end
+
+describe Chef::Provider::Group::Groupadd, "create_group" do
+  before do
+    @node = Chef::Node.new
+    @new_resource = Chef::Resource::Group.new("aj")
+    @provider = Chef::Provider::Group::Groupadd.new(@node, @new_resource)
+    @provider.stub!(:run_command).and_return(true)
+    @provider.stub!(:set_options).and_return(" monkey")
+    @provider.stub!(:groupadd_options).and_return("")
+    @provider.stub!(:modify_group_members).and_return(true)
+  end
+
+  it "should run groupadd with the return of set_options" do
+    @provider.should_receive(:run_command).with({ :command => "groupadd monkey" }).and_return(true)
+    @provider.create_group
+  end
+
+  it "should modify the group members" do
+    @provider.should_receive(:modify_group_members).and_return(true)
+    @provider.create_group
+  end
+end
+
+describe Chef::Provider::Group::Groupadd do
+  before do
+    @node = Chef::Node.new
+    @events = Chef::EventDispatch::Dispatcher.new
+    @run_context = Chef::RunContext.new(@node, {}, @events)
+    @new_resource = Chef::Resource::Group.new("aj")
+    @provider = Chef::Provider::Group::Groupadd.new(@new_resource, @run_context)
+    @provider.stub!(:run_command).and_return(true)
+    @provider.stub!(:set_options).and_return(" monkey")
+  end
+
+  describe "manage group" do
+
+    it "should run groupmod with the return of set_options" do
+      @provider.stub!(:modify_group_members).and_return(true)
+      @provider.should_receive(:run_command).with({ :command => "groupmod monkey" }).and_return(true)
+      @provider.manage_group
+    end
+
+    it "should modify the group members" do
+      @provider.should_receive(:modify_group_members).and_return(true)
+      @provider.manage_group
+    end
+  end
+
+  describe "remove_group" do
+
+    it "should run groupdel with the new resources group name" do
+      @provider.should_receive(:run_command).with({ :command => "groupdel aj" }).and_return(true)
+      @provider.remove_group
+    end
+  end
+
+  describe "modify_group_members" do
+
+    it "should raise an error when calling modify_group_members" do
+      lambda { @provider.modify_group_members ; @provider.converge }.should raise_error(Chef::Exceptions::Group, "you must override modify_group_members in #{@provider.to_s}")
+    end
+  end
+
+  describe "load_current_resource" do
+    before do
+      File.stub!(:exists?).and_return(false)
+      @provider.define_resource_requirements
+    end
+    it "should raise an error if the required binary /usr/sbin/groupadd doesn't exist" do
+      File.should_receive(:exists?).with("/usr/sbin/groupadd").and_return(false)
+      lambda { @provider.process_resource_requirements }.should raise_error(Chef::Exceptions::Group)
+    end
+    it "should raise an error if the required binary /usr/sbin/groupmod doesn't exist" do
+      File.should_receive(:exists?).with("/usr/sbin/groupadd").and_return(true)
+      File.should_receive(:exists?).with("/usr/sbin/groupmod").and_return(false)
+      lambda { @provider.process_resource_requirements }.should raise_error(Chef::Exceptions::Group)
+    end
+    it "should raise an error if the required binary /usr/sbin/groupdel doesn't exist" do
+      File.should_receive(:exists?).with("/usr/sbin/groupadd").and_return(true)
+      File.should_receive(:exists?).with("/usr/sbin/groupmod").and_return(true)
+      File.should_receive(:exists?).with("/usr/sbin/groupdel").and_return(false)
+      lambda { @provider.process_resource_requirements }.should raise_error(Chef::Exceptions::Group)
+    end
+
+  end
+end