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path: root/test/ral/providers/provider.rb
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#!/usr/bin/env ruby

$:.unshift("../../lib") if __FILE__ =~ /\.rb$/

require 'puppettest'
require 'facter'

class TestProvider < Test::Unit::TestCase
	include PuppetTest

    def echo
        echo = Puppet::Util.binary("echo")

        unless echo
            raise "Could not find 'echo' binary; cannot complete test"
        end

        return echo
    end

    def newprovider
        # Create our provider
        provider = Class.new(Puppet::Provider) do
            @name = :fakeprovider
        end
        provider.initvars

        return provider
    end

    def test_confine
        provider = newprovider

        assert(provider.suitable?,
            "Marked unsuitable with no confines")

        {
            {:true => true} => true,
            {:true => false} => false,
            {:false => false} => true,
            {:false => true} => false,
            {:operatingsystem => Facter.value(:operatingsystem)} => true,
            {:operatingsystem => :yayness} => false,
            {:nothing => :yayness} => false,
            {:exists => echo} => true,
            {:exists => "/this/file/does/not/exist"} => false,
        }.each do |hash, result|
            # First test :true
            hash.each do |test, val|
                assert_nothing_raised do
                    provider.confine test => val
                end
            end

            assert_equal(result, provider.suitable?,
                "Failed for %s" % [hash.inspect])

            provider.initvars
        end

        # Make sure multiple confines don't overwrite each other
        provider.confine :true => false
        assert(! provider.suitable?)
        provider.confine :true => true
        assert(! provider.suitable?)

        provider.initvars

        # Make sure we test multiple of them, and that a single false wins
        provider.confine :true => true, :false => false
        assert(provider.suitable?)
        provider.confine :true => false
        assert(! provider.suitable?)
    end

    def test_command
        provider = newprovider

        assert_nothing_raised do
            provider.commands :echo => "echo"
        end

        assert_equal(echo, provider.command(:echo))

        assert(provider.method_defined?(:echo), "Instance method not defined")
        assert(provider.respond_to?(:echo), "Class method not defined")

        # Now make sure they both work
        inst = provider.new(nil)
        assert_nothing_raised do
            [provider, inst].each do |thing|
                out = thing.echo "some", "text"
                assert_equal("some text\n", out)
            end
        end

        assert(provider.suitable?, "Provider considered unsuitable")

        # Now add an invalid command
        assert_nothing_raised do
            provider.commands :fake => "nosuchcommanddefinitely"
        end
        assert(! provider.suitable?, "Provider considered suitable")

        assert_raise(Puppet::Error) do
            provider.command(:fake)
        end

        Puppet[:trace] = false
        assert_raise(Puppet::DevError) do
            provider.command(:nosuchcmd)
        end

        # Lastly, verify that we can find our superclass commands
        newprov = Class.new(provider)
        newprov.initvars

        assert_equal(echo, newprov.command(:echo))
    end

    def test_default?
        provider = newprovider

        assert(! provider.default?, "Was considered default with no settings")

        assert_nothing_raised do
            provider.defaultfor :operatingsystem => Facter.value(:operatingsystem)
        end

        assert(provider.default?, "Was not considered default")

        # Make sure any true value is sufficient.
        assert_nothing_raised do
            provider.defaultfor :operatingsystem => [
                :yayness, :rahness,
                Facter.value(:operatingsystem)
            ]
        end

        assert(provider.default?, "Was not considered default")

        # Now make sure that a random setting returns false.
        assert_nothing_raised do
            provider.defaultfor :operatingsystem => :yayness
        end

        assert(! provider.default?, "Was considered default")
    end

    # Make sure that failed commands get their output in the error.
    def test_outputonfailure
        provider = newprovider

        dir = tstdir()
        file = File.join(dir, "mycmd")
        sh = Puppet::Util.binary("sh")
        File.open(file, "w") { |f|
            f.puts %{#!#{sh}
            echo A Failure >&2
            exit 2
            }
        }
        File.chmod(0755, file)

        provider.commands :cmd => file

        inst = provider.new(nil)

        assert_raise(Puppet::ExecutionFailure) do
            inst.cmd "some", "arguments"
        end

        out = nil
        begin
            inst.cmd "some", "arguments"
        rescue Puppet::ExecutionFailure => detail
            out = detail.to_s
        end

        assert(out =~ /A Failure/,
               "Did not receive command output on failure")

        assert(out =~ /Execution of/,
               "Did not receive info wrapper on failure")
    end

    def test_mkmodelmethods
        prov = newprovider
        modeltype = Struct.new(:validproperties, :parameters)
        m = modeltype.new([:prop1, :prop2], [:param1, :param2])
        prov.model = m

        assert_nothing_raised("could not call mkmodelmethods") do
            prov.mkmodelmethods
        end

        obj = prov.new(nil)

        %w{prop1 prop2 param1 param2}.each do |param|
            assert(prov.public_method_defined?(param), "no getter for %s" % param)
            assert(prov.public_method_defined?(param + "="), "no setter for %s" % param)

            assert_equal(:absent, obj.send(param),
                "%s did not default to :absent")
            val = "testing %s" % param
            assert_nothing_raised("Could not call setter for %s" % param) do
                obj.send(param + "=", val)
            end
            assert_equal(val, obj.send(param),
                "did not get correct value for %s" % param)
        end
    end
end

# $Id$