# # Author:: Dreamcat4 () # Copyright:: Copyright (c) 2009 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::Dscl 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") @current_resource = Chef::Resource::Group.new("aj") @provider = Chef::Provider::Group::Dscl.new(@new_resource, @run_context) @provider.current_resource = @current_resource @status = mock("Process::Status", :exitstatus => 0) @pid = 2342 @stdin = StringIO.new @stdout = StringIO.new("\n") @stderr = StringIO.new("") @provider.stub!(:popen4).and_yield(@pid,@stdin,@stdout,@stderr).and_return(@status) end it "should run popen4 with the supplied array of arguments appended to the dscl command" do @provider.should_receive(:popen4).with("dscl . -cmd /Path arg1 arg2") @provider.dscl("cmd", "/Path", "arg1", "arg2") end it "should return an array of four elements - cmd, status, stdout, stderr" do dscl_retval = @provider.dscl("cmd /Path args") dscl_retval.should be_a_kind_of(Array) dscl_retval.should == ["dscl . -cmd /Path args",@status,"\n",""] end describe "safe_dscl" do before do @node = Chef::Node.new @provider = Chef::Provider::Group::Dscl.new(@node, @new_resource) @provider.stub!(:dscl).and_return(["cmd", @status, "stdout", "stderr"]) end it "should run dscl with the supplied cmd /Path args" do @provider.should_receive(:dscl).with("cmd /Path args") @provider.safe_dscl("cmd /Path args") end describe "with the dscl command returning a non zero exit status for a delete" do before do @status = mock("Process::Status", :exitstatus => 1) @provider.stub!(:dscl).and_return(["cmd", @status, "stdout", "stderr"]) end it "should return an empty string of standard output for a delete" do safe_dscl_retval = @provider.safe_dscl("delete /Path args") safe_dscl_retval.should be_a_kind_of(String) safe_dscl_retval.should == "" end it "should raise an exception for any other command" do lambda { @provider.safe_dscl("cmd /Path arguments") }.should raise_error(Chef::Exceptions::Group) end end describe "with the dscl command returning no such key" do before do @provider.stub!(:dscl).and_return(["cmd", @status, "No such key: ", "stderr"]) end it "should raise an exception" do lambda { @provider.safe_dscl("cmd /Path arguments") }.should raise_error(Chef::Exceptions::Group) end end describe "with the dscl command returning a zero exit status" do it "should return the third array element, the string of standard output" do safe_dscl_retval = @provider.safe_dscl("cmd /Path args") safe_dscl_retval.should be_a_kind_of(String) safe_dscl_retval.should == "stdout" end end end describe "get_free_gid" do before do @node = Chef::Node.new @provider = Chef::Provider::Group::Dscl.new(@node, @new_resource) @provider.stub!(:safe_dscl).and_return("\naj 200\njt 201\n") end it "should run safe_dscl with list /Groups gid" do @provider.should_receive(:safe_dscl).with("list /Groups gid") @provider.get_free_gid end it "should return the first unused gid number on or above 200" do @provider.get_free_gid.should equal(202) end it "should raise an exception when the search limit is exhausted" do search_limit = 1 lambda { @provider.get_free_gid(search_limit) }.should raise_error(RuntimeError) end end describe "gid_used?" do before do @node = Chef::Node.new @provider = Chef::Provider::Group::Dscl.new(@node, @new_resource) @provider.stub!(:safe_dscl).and_return("\naj 500\n") end it "should run safe_dscl with list /Groups gid" do @provider.should_receive(:safe_dscl).with("list /Groups gid") @provider.gid_used?(500) end it "should return true for a used gid number" do @provider.gid_used?(500).should be_true end it "should return false for an unused gid number" do @provider.gid_used?(501).should be_false end it "should return false if not given any valid gid number" do @provider.gid_used?(nil).should be_false end end describe "set_gid" do describe "with the new resource and a gid number which is already in use" do before do @provider.stub!(:gid_used?).and_return(true) end it "should raise an exception if the new resources gid is already in use" do lambda { @provider.set_gid }.should raise_error(Chef::Exceptions::Group) end end describe "with no gid number for the new resources" do it "should run get_free_gid and return a valid, unused gid number" do @provider.should_receive(:get_free_gid).and_return(501) @provider.set_gid end end describe "with blank gid number for the new resources" do before do @new_resource.instance_variable_set(:@gid, nil) @new_resource.stub!(:safe_dscl) end it "should run get_free_gid and return a valid, unused gid number" do @provider.should_receive(:get_free_gid).and_return(501) @provider.set_gid end end describe "with a valid gid number which is not already in use" do it "should run safe_dscl with create /Groups/group PrimaryGroupID gid" do @provider.stub(:get_free_gid).and_return(50) @provider.should_receive(:safe_dscl).with("list /Groups gid") @provider.should_receive(:safe_dscl).with("create /Groups/aj PrimaryGroupID 50").and_return(true) @provider.set_gid end end end describe "set_members" do describe "with existing members in the current resource and append set to false in the new resource" do before do @new_resource.stub!(:members).and_return([]) @new_resource.stub!(:append).and_return(false) @current_resource.stub!(:members).and_return(["all", "your", "base"]) end it "should log an appropriate message" do Chef::Log.should_receive(:debug).with("group[aj] removing group members all your base") @provider.set_members end it "should run safe_dscl with create /Groups/group GroupMembership to clear the Group's UID list" do @provider.should_receive(:safe_dscl).with("create /Groups/aj GroupMembers ''").and_return(true) @provider.should_receive(:safe_dscl).with("create /Groups/aj GroupMembership ''").and_return(true) @provider.set_members end end describe "with supplied members in the new resource" do before do @new_resource.members(["all", "your", "base"]) @current_resource.members([]) end it "should log an appropriate debug message" do Chef::Log.should_receive(:debug).with("group[aj] setting group members all, your, base") @provider.set_members end it "should run safe_dscl with append /Groups/group GroupMembership and group members all, your, base" do @provider.should_receive(:safe_dscl).with("create /Groups/aj GroupMembers ''").and_return(true) @provider.should_receive(:safe_dscl).with("append /Groups/aj GroupMembership all your base").and_return(true) @provider.should_receive(:safe_dscl).with("create /Groups/aj GroupMembership ''").and_return(true) @provider.set_members end end describe "with no members in the new resource" do before do @new_resource.append(true) @new_resource.members([]) end it "should not call safe_dscl" do @provider.should_not_receive(:safe_dscl) @provider.set_members end end end describe "when loading the current system state" do before (:each) do @provider.load_current_resource @provider.define_resource_requirements end it "raises an error if the required binary /usr/bin/dscl doesn't exist" do File.should_receive(:exists?).with("/usr/bin/dscl").and_return(false) lambda { @provider.process_resource_requirements }.should raise_error(Chef::Exceptions::Group) end it "doesn't raise an error if /usr/bin/dscl exists" do File.stub!(:exists?).and_return(true) lambda { @provider.process_resource_requirements }.should_not raise_error(Chef::Exceptions::Group) end end describe "when creating the group" do it "creates the group, password field, gid, and sets group membership" do @provider.should_receive(:set_gid).and_return(true) @provider.should_receive(:set_members).and_return(true) @provider.should_receive(:safe_dscl).with("create /Groups/aj Password '*'") @provider.should_receive(:safe_dscl).with("create /Groups/aj") @provider.create_group end end describe "managing the group" do it "should manage the group_name if it changed and the new resources group_name is not null" do @current_resource.group_name("oldval") @new_resource.group_name("newname") @provider.should_receive(:safe_dscl).with("create /Groups/newname") @provider.should_receive(:safe_dscl).with("create /Groups/newname Password '*'") @provider.manage_group end it "should manage the gid if it changed and the new resources gid is not null" do @current_resource.gid(23) @new_resource.gid(42) @provider.should_receive(:set_gid) @provider.manage_group end it "should manage the members if it changed and the new resources members is not null" do @current_resource.members(%{charlie root}) @new_resource.members(%{crab revenge}) @provider.should_receive(:set_members) @provider.manage_group end end describe "remove_group" do it "should run safe_dscl with delete /Groups/group and with the new resources group name" do @provider.should_receive(:safe_dscl).with("delete /Groups/aj").and_return(true) @provider.remove_group end end end