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4f2b66302d
When attempting to access array values via the `json` resource:
```
describe json('/tmp/test.json') do
its(['array',0]) { should eq "zero" }
end
```
... the resulting data would be an array of the size of the original array
with all the values replaced with nils:
```
expected: "zero"
got: [nil, nil, nil]
```
This was due to a bug in the ObjectTraverser mixin that mapped array values
back through `extract_value` rather than properly handling the passed-in
key(s). This worked fine for the specific data format created by the `csv`
resource but did not work `json` or any other resource that subclassed the
`JsonConfig` resource.
This change fixes the logic when dealing with an array when it's encountered,
and fixes up the `csv` resource with its own `value` method.
This change also adds tests for ObjectTraverser.
Signed-off-by: Adam Leff <adam@leff.co>
80 lines
2.8 KiB
Ruby
80 lines
2.8 KiB
Ruby
# encoding: utf-8
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# author: Adam Leff
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require 'helper'
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class Tester
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include ObjectTraverser
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end
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describe ObjectTraverser do
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let(:subject) { Tester.new }
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let(:sample_data) do
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{
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'string1' => 'value1',
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'string2' => 'value2',
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'number1' => 2468,
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'hash1' => { 'key1' => 'value1' },
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'hash2' => {
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'hash1string1' => 'value3',
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'hash1number1' => 123,
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'hash1subhash' => { 'key1' => 1, 'key2' => 2 },
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},
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'array1' => %w(word1 word2 word3),
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'array2' => [
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123,
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456,
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{ 'array1hashkey1' => 1, 'array1hashkey2' => 2 },
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]
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}
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end
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it 'returns values from the top-level' do
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subject.extract_value(['string1'], sample_data).must_equal('value1')
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subject.extract_value(['string2'], sample_data).must_equal('value2')
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subject.extract_value(['number1'], sample_data).must_equal(2468)
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end
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it 'returns a full hash from the top-level' do
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subject.extract_value(['hash1'], sample_data).must_equal({ 'key1' => 'value1' })
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end
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it 'returns values from a hash' do
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subject.extract_value(['hash2', 'hash1string1'], sample_data).must_equal('value3')
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subject.extract_value(['hash2', 'hash1number1'], sample_data).must_equal(123)
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end
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it 'returns values from a nested hash' do
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subject.extract_value(['hash2', 'hash1subhash', 'key1'], sample_data).must_equal(1)
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subject.extract_value(['hash2', 'hash1subhash', 'key2'], sample_data).must_equal(2)
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end
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it 'returns a full array from the top level' do
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subject.extract_value(['array1'], sample_data).must_equal(%w(word1 word2 word3))
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end
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it 'returns values from the array using index numbers' do
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subject.extract_value(['array1', 0], sample_data).must_equal('word1')
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subject.extract_value(['array1', 1], sample_data).must_equal('word2')
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subject.extract_value(['array1', 2], sample_data).must_equal('word3')
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end
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it 'returns values from the array using methods' do
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subject.extract_value(['array1', 'first'], sample_data).must_equal('word1')
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subject.extract_value(['array1', 'last'], sample_data).must_equal('word3')
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end
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it 'returns nil when fetching from an array when it does not match a method' do
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subject.extract_value(['array1', 'not_a_valid_method'], sample_data).must_be_nil
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end
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it 'returns values from a nested hash within an array, accessing the array using numbers' do
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subject.extract_value(['array2', 2, 'array1hashkey1'], sample_data).must_equal(1)
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subject.extract_value(['array2', 2, 'array1hashkey2'], sample_data).must_equal(2)
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end
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it 'returns values from a nested hash within an array, accessing the array using methods' do
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subject.extract_value(['array2', 'last', 'array1hashkey1'], sample_data).must_equal(1)
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subject.extract_value(['array2', 'last', 'array1hashkey2'], sample_data).must_equal(2)
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end
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end
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