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path: root/spec/unit/provider/service/init_spec.rb
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#!/usr/bin/env ruby
#
# Unit testing for the Init service Provider
#

require File.dirname(__FILE__) + '/../../../spec_helper'

provider_class = Puppet::Type.type(:service).provider(:init)

describe provider_class do

    before :each do
        @resource = stub 'resource'
        @resource.stubs(:[]).returns(nil)
        @resource.stubs(:[]).with(:name).returns "myservice"
#        @resource.stubs(:[]).with(:ensure).returns :enabled
        @resource.stubs(:[]).with(:path).returns ["/service/path","/alt/service/path"]
#        @resource.stubs(:ref).returns "Service[myservice]"
        File.stubs(:directory?).returns(true)
        
        @provider = provider_class.new
        @provider.resource = @resource
    end


    describe "when searching for the init script" do
        it "should discard paths that do not exist" do
            File.stubs(:exist?).returns(false)
            File.stubs(:directory?).returns(false)
            @provider.paths.should be_empty
        end

        it "should discard paths that are not directories" do
            File.stubs(:exist?).returns(true)
            File.stubs(:directory?).returns(false)
            @provider.paths.should be_empty
        end

        it "should be able to find the init script in the service path" do
            File.expects(:stat).with("/service/path/myservice").returns true
            @provider.initscript.should == "/service/path/myservice"
        end
        it "should be able to find the init script in the service path" do
            File.expects(:stat).with("/alt/service/path/myservice").returns true
            @provider.initscript.should == "/alt/service/path/myservice"
        end
        it "should fail if the service isn't there" do
            lambda { @provider.initscript }.should raise_error(Puppet::Error, "Could not find init script for 'myservice'")
        end
    end
    
    describe "if the init script is present" do
        before :each do
            File.stubs(:stat).with("/service/path/myservice").returns true
        end
        
        [:start, :stop, :status, :restart].each do |method|
            it "should have a #{method} method" do
                @provider.should respond_to(method)
            end
            describe "when running #{method}" do
            
                it "should use any provided explicit command" do
                    @resource.stubs(:[]).with(method).returns "/user/specified/command"
                    @provider.expects(:execute).with { |command, *args| command == ["/user/specified/command"] }
                    @provider.send(method)
                end

                it "should pass #{method} to the init script when no explicit command is provided" do
                    @resource.stubs(:[]).with("has#{method}".intern).returns :true
                    @provider.expects(:execute).with { |command, *args| command ==  ["/service/path/myservice",method]}
                    @provider.send(method)
                end            
            end
        end

        describe "when checking status" do
            describe "when hasstatus is :true" do
                before :each do
                    @resource.stubs(:[]).with(:hasstatus).returns :true
                end
                it "should execute the command" do
                    @provider.expects(:texecute).with(:status, ['/service/path/myservice', :status], false).returns("")
                    @provider.status
                end
                it "should consider the process running if the command returns 0" do
                    @provider.expects(:texecute).with(:status, ['/service/path/myservice', :status], false).returns("")
                    $?.stubs(:exitstatus).returns(0)
                    @provider.status.should == :running
                end
                [-10,-1,1,10].each { |ec|
                    it "should consider the process stopped if the command returns something non-0" do
                        @provider.expects(:texecute).with(:status, ['/service/path/myservice', :status], false).returns("")
                        $?.stubs(:exitstatus).returns(ec)
                        @provider.status.should == :stopped
                    end
                }
            end
            describe "when hasstatus is not :true" do
                it "should consider the service :running if it has a pid" do
                    @provider.expects(:getpid).returns "1234"
                    @provider.status.should == :running
                end
                it "should consider the service :stopped if it doesn't have a pid" do
                    @provider.expects(:getpid).returns nil
                    @provider.status.should == :stopped
                end
            end
        end

        describe "when restarting and hasrestart is not :true" do
            it "should stop and restart the process" do
                @provider.expects(:texecute).with(:stop, ['/service/path/myservice', :stop ], true).returns("")
                @provider.expects(:texecute).with(:start,['/service/path/myservice', :start], true).returns("")
                $?.stubs(:exitstatus).returns(0)
                @provider.restart
            end
        end

    end
end