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#! /usr/bin/env ruby -S rspec
require 'spec_helper'
describe "the validate_slength function" do
let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
it "should exist" do
Puppet::Parser::Functions.function("validate_slength").should == "function_validate_slength"
end
describe "validating the input argument types" do
it "raises an error if there are less than two arguments" do
expect { scope.function_validate_slength([]) }.to raise_error Puppet::ParseError, /Wrong number of arguments/
end
it "raises an error if there are more than three arguments" do
expect { scope.function_validate_slength(['input', 1, 2, 3]) }.to raise_error Puppet::ParseError, /Wrong number of arguments/
end
it "raises an error if the first argument is not a string" do
expect { scope.function_validate_slength([Object.new, 2, 1]) }.to raise_error Puppet::ParseError, /Expected first argument.*got .*Object/
end
it "raises an error if the second argument cannot be cast to an Integer" do
expect { scope.function_validate_slength(['input', Object.new]) }.to raise_error Puppet::ParseError, /Expected second argument.*got .*Object/
end
it "raises an error if the third argument cannot be cast to an Integer" do
expect { scope.function_validate_slength(['input', 1, Object.new]) }.to raise_error Puppet::ParseError, /Expected third argument.*got .*Object/
end
it "raises an error if the second argument is smaller than the third argument" do
expect { scope.function_validate_slength(['input', 1, 2]) }.to raise_error Puppet::ParseError, /Expected second argument to be larger than third argument/
end
end
describe "validating the input string length" do
describe "when the input is a string" do
it "fails validation if the string is larger than the max length" do
expect { scope.function_validate_slength(['input', 1]) }.to raise_error Puppet::ParseError, /Expected length .* between 0 and 1, was 5/
end
it "fails validation if the string is less than the min length" do
expect { scope.function_validate_slength(['input', 10, 6]) }.to raise_error Puppet::ParseError, /Expected length .* between 6 and 10, was 5/
end
it "doesn't raise an error if the string is under the max length" do
scope.function_validate_slength(['input', 10])
end
it "doesn't raise an error if the string is equal to the max length" do
scope.function_validate_slength(['input', 5])
end
it "doesn't raise an error if the string is equal to the min length" do
scope.function_validate_slength(['input', 10, 5])
end
end
describe "when the input is an array" do
it "fails validation if one of the array elements is not a string" do
expect { scope.function_validate_slength([["a", "b", Object.new], 2]) }.to raise_error Puppet::ParseError, /Expected element at array position 2 .*String, got .*Object/
end
end
end
end
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