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require 'spec_helper'
describe 'dig44' do
let(:data) do
{
'a' => {
'g' => '2',
'e' => [
'f0',
'f1',
{
'x' => {
'y' => 'z'
}
},
'f3',
]
},
'b' => true,
'c' => false,
'd' => '1',
'e' => :undef,
'f' => nil,
}
end
context 'single values' do
it 'should exist' do
is_expected.not_to be_nil
end
it 'should require two arguments' do
is_expected.to run.with_params().and_raise_error(ArgumentError)
end
it 'should fail if the data is not a structure' do
is_expected.to run.with_params('test', []).and_raise_error(Puppet::Error)
end
it 'should fail if the path is not an array' do
is_expected.to run.with_params({}, '').and_raise_error(Puppet::Error)
end
it 'should return the value if the value is string' do
is_expected.to run.with_params(data, ['d'], 'default').and_return('1')
end
it 'should return true if the value is true' do
is_expected.to run.with_params(data, ['b'], 'default').and_return(true)
end
it 'should return false if the value is false' do
is_expected.to run.with_params(data, ['c'], 'default').and_return(false)
end
it 'should return the default if the value is nil' do
is_expected.to run.with_params(data, ['f'], 'default').and_return('default')
end
it 'should return the default if the value is :undef (same as nil)' do
is_expected.to run.with_params(data, ['e'], 'default').and_return('default')
end
it 'should return the default if the path is not found' do
is_expected.to run.with_params(data, ['missing'], 'default').and_return('default')
end
end
context 'structure values' do
it 'should be able to extract a deeply nested hash value' do
is_expected.to run.with_params(data, %w(a g), 'default').and_return('2')
end
it 'should return the default value if the path is too long' do
is_expected.to run.with_params(data, %w(a g c d), 'default').and_return('default')
end
it 'should support an array index (number) in the path' do
is_expected.to run.with_params(data, ['a', 'e', 1], 'default').and_return('f1')
end
it 'should support an array index (string) in the path' do
is_expected.to run.with_params(data, %w(a e 1), 'default').and_return('f1')
end
it 'should return the default value if an array index is not a number' do
is_expected.to run.with_params(data, %w(a b c), 'default').and_return('default')
end
it 'should return the default value if and index is out of array length' do
is_expected.to run.with_params(data, %w(a e 5), 'default').and_return('default')
end
it 'should be able to path though both arrays and hashes' do
is_expected.to run.with_params(data, %w(a e 2 x y), 'default').and_return('z')
end
it 'should return "nil" if value is not found and no default value is provided' do
is_expected.to run.with_params(data, %w(a 1)).and_return(nil)
end
end
end
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