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require 'spec_helper'
require 'puppet_spec/scope'
describe "the fqdn_rand function" do
include PuppetSpec::Scope
it "returns an integer" do
expect(fqdn_rand(3)).to be_an(Integer)
end
it "provides a random number strictly less than the given max" do
expect(fqdn_rand(3)).to satisfy {|n| n < 3 }
end
it "provides the same 'random' value on subsequent calls for the same host" do
expect(fqdn_rand(3)).to eql(fqdn_rand(3))
end
it "considers the same host and same extra arguments to have the same random sequence" do
first_random = fqdn_rand(3, :extra_identifier => [1, "same", "host"])
second_random = fqdn_rand(3, :extra_identifier => [1, "same", "host"])
expect(first_random).to eql(second_random)
end
it "allows extra arguments to control the random value on a single host" do
first_random = fqdn_rand(10000, :extra_identifier => [1, "different", "host"])
second_different_random = fqdn_rand(10000, :extra_identifier => [2, "different", "host"])
expect(first_random).not_to eql(second_different_random)
end
it "should return different sequences of value for different hosts" do
val1 = fqdn_rand(1000000000, :host => "first.host.com")
val2 = fqdn_rand(1000000000, :host => "second.host.com")
expect(val1).not_to eql(val2)
end
it "should return a specific value with given set of inputs on non-fips enabled host" do
allow(Puppet::Util::Platform).to receive(:fips_enabled?).and_return(false)
expect(fqdn_rand(3000, :host => 'dummy.fqdn.net')).to eql(338)
end
it "should return a specific value with given set of inputs on fips enabled host" do
allow(Puppet::Util::Platform).to receive(:fips_enabled?).and_return(true)
expect(fqdn_rand(3000, :host => 'dummy.fqdn.net')).to eql(278)
end
it "should return a specific value with given seed on a non-fips enabled host" do
allow(Puppet::Util::Platform).to receive(:fips_enabled?).and_return(false)
expect(fqdn_rand(5000, :extra_identifier => ['expensive job 33'])).to eql(3374)
end
it "should return a specific value with given seed on a fips enabled host" do
allow(Puppet::Util::Platform).to receive(:fips_enabled?).and_return(true)
expect(fqdn_rand(5000, :extra_identifier => ['expensive job 33'])).to eql(2389)
end
def fqdn_rand(max, args = {})
host = args[:host] || '127.0.0.1'
extra = args[:extra_identifier] || []
scope = create_test_scope_for_node('localhost')
allow(scope).to receive(:[]).with("::fqdn").and_return(host)
scope.function_fqdn_rand([max] + extra)
end
end
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