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#! /usr/bin/env ruby -S rspec
require 'spec_helper'
describe Puppet::Parser::Functions.function(:deep_merge) do
let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
describe 'when calling deep_merge from puppet' do
it "should not compile when no arguments are passed" do
pending("Fails on 2.6.x, see bug #15912") if Puppet.version =~ /^2\.6\./
Puppet[:code] = '$x = deep_merge()'
expect {
scope.compiler.compile
}.to raise_error(Puppet::ParseError, /wrong number of arguments/)
end
it "should not compile when 1 argument is passed" do
pending("Fails on 2.6.x, see bug #15912") if Puppet.version =~ /^2\.6\./
Puppet[:code] = "$my_hash={'one' => 1}\n$x = deep_merge($my_hash)"
expect {
scope.compiler.compile
}.to raise_error(Puppet::ParseError, /wrong number of arguments/)
end
end
describe 'when calling deep_merge on the scope instance' do
it 'should require all parameters are hashes' do
expect { new_hash = scope.function_deep_merge([{}, '2'])}.to raise_error(Puppet::ParseError, /unexpected argument type String/)
expect { new_hash = scope.function_deep_merge([{}, 2])}.to raise_error(Puppet::ParseError, /unexpected argument type Fixnum/)
end
it 'should accept empty strings as puppet undef' do
expect { new_hash = scope.function_deep_merge([{}, ''])}.not_to raise_error
end
it 'should be able to deep_merge two hashes' do
new_hash = scope.function_deep_merge([{'one' => '1', 'two' => '1'}, {'two' => '2', 'three' => '2'}])
new_hash['one'].should == '1'
new_hash['two'].should == '2'
new_hash['three'].should == '2'
end
it 'should deep_merge multiple hashes' do
hash = scope.function_deep_merge([{'one' => 1}, {'one' => '2'}, {'one' => '3'}])
hash['one'].should == '3'
end
it 'should accept empty hashes' do
scope.function_deep_merge([{},{},{}]).should == {}
end
it 'should deep_merge subhashes' do
hash = scope.function_deep_merge([{'one' => 1}, {'two' => 2, 'three' => { 'four' => 4 } }])
hash['one'].should == 1
hash['two'].should == 2
hash['three'].should == { 'four' => 4 }
end
it 'should append to subhashes' do
hash = scope.function_deep_merge([{'one' => { 'two' => 2 } }, { 'one' => { 'three' => 3 } }])
hash['one'].should == { 'two' => 2, 'three' => 3 }
end
it 'should append to subhashes 2' do
hash = scope.function_deep_merge([{'one' => 1, 'two' => 2, 'three' => { 'four' => 4 } }, {'two' => 'dos', 'three' => { 'five' => 5 } }])
hash['one'].should == 1
hash['two'].should == 'dos'
hash['three'].should == { 'four' => 4, 'five' => 5 }
end
it 'should append to subhashes 3' do
hash = scope.function_deep_merge([{ 'key1' => { 'a' => 1, 'b' => 2 }, 'key2' => { 'c' => 3 } }, { 'key1' => { 'b' => 99 } }])
hash['key1'].should == { 'a' => 1, 'b' => 99 }
hash['key2'].should == { 'c' => 3 }
end
it 'should not change the original hashes' do
hash1 = {'one' => { 'two' => 2 } }
hash2 = { 'one' => { 'three' => 3 } }
hash = scope.function_deep_merge([hash1, hash2])
hash1.should == {'one' => { 'two' => 2 } }
hash2.should == { 'one' => { 'three' => 3 } }
hash['one'].should == { 'two' => 2, 'three' => 3 }
end
it 'should not change the original hashes 2' do
hash1 = {'one' => { 'two' => [1,2] } }
hash2 = { 'one' => { 'three' => 3 } }
hash = scope.function_deep_merge([hash1, hash2])
hash1.should == {'one' => { 'two' => [1,2] } }
hash2.should == { 'one' => { 'three' => 3 } }
hash['one'].should == { 'two' => [1,2], 'three' => 3 }
end
it 'should not change the original hashes 3' do
hash1 = {'one' => { 'two' => [1,2, {'two' => 2} ] } }
hash2 = { 'one' => { 'three' => 3 } }
hash = scope.function_deep_merge([hash1, hash2])
hash1.should == {'one' => { 'two' => [1,2, {'two' => 2}] } }
hash2.should == { 'one' => { 'three' => 3 } }
hash['one'].should == { 'two' => [1,2, {'two' => 2} ], 'three' => 3 }
hash['one']['two'].should == [1,2, {'two' => 2}]
end
end
end
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