Add clamp function

Clamp keeps value within the range.
Employ of soft() makes the whole thing is independant of order.

1 files changed, 16 insertions, 0 deletions

diff --git a/spec/functions/clamp_spec.rb b/spec/functions/clamp_spec.rb
new file mode 100644
index 0000000..3e2fe7a
--- /dev/null
+++ b/spec/functions/clamp_spec.rb
@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe 'clamp' do
+  it { is_expected.not_to eq(nil) }
+  it { is_expected.to run.with_params().and_raise_error(ArgumentError) }
+  it { is_expected.to run.with_params([]).and_raise_error(Puppet::ParseError) }
+  it { is_expected.to run.with_params(12, 88, 71, 190).and_raise_error(Puppet::ParseError, /Wrong number of arguments, need three to clamp/) }
+  it { is_expected.to run.with_params('12string', 88, 15).and_raise_error(Puppet::ParseError, /Required explicit numeric/) }
+  it { is_expected.to run.with_params(1, 2, {'a' => 55}).and_raise_error(Puppet::ParseError, /The Hash type is not allowed/) }
+  it { is_expected.to run.with_params('24', [575, 187]).and_return(187) }
+  it { is_expected.to run.with_params([4, 3, '99']).and_return(4) }
+  it { is_expected.to run.with_params(16, 750, 88).and_return(88) }
+  it { is_expected.to run.with_params([3, 873], 73).and_return(73) }
+  it { is_expected.to run.with_params([4], 8, 75).and_return(8) }
+  it { is_expected.to run.with_params([6], [31], 9911).and_return(31) }
+end