How do you get into an array inside an object?

[fmorales]

Here is the json that is giving me greif
https://gist.github.com/fmorales/5b21b301c5e8ae39118c

I am trying to get to value7 under WhatIsThis. WhatIsThis is an object, and value7 is an array under it. I am trying to get to it with:
expect_json_types('array2..WhatIsThis..array3.0', {value7: :string_or_null})

I get an error that I am getting a hash. I looked in the docs for how I access a hash, but I can't find anything. Help!

[sethpollack]

try expect_json_types('array2.0.WhatIsThis.array3.0', {value7: :string_or_null})

[sethpollack]

I just tried it with expect_json_types('array2.0.WhatIsThis.array3.0', {value7: :string_or_null}) and that worked fine for me. Let me know if it works for you?

[fmorales]

I just tried expect_json_types('array2.0.WhatIsThis.array3.0', {value7: :string_or_null})

I got
NoMethodError:
undefined method `[]' for nil:NilClass

[sethpollack]

hmm, what version of airborne are you using?

[fmorales]

0.1.8

On Dec 10, 2014, at 4:39 PM, Seth Pollack notifications@github.com wrote:

hmm, what version of airborne are you using?

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Reply to this email directly or view it on GitHub.

[brooklynDev]

@fmorales I just tried using the following snippet of code:

require 'airborne'

describe 'issue 30' do
  it 'gets value7' do
    get 'https://gist.githubusercontent.com/fmorales/5b21b301c5e8ae39118c/raw/2e41a8a6569d9b11ef02e9a76ca4165a81ae0859/gistfile1.json'
    expect_json_types('array2.0.WhatIsThis.array3.0', {value7: :string_or_null})
  end
end

and just like @sethpollack is experiencing, it works correctly. Can you verify that your code is doing the same thing?

[fmorales]

I tried dropping your code snippet into my harness, and it works. I am still not having any luck with getting into the same structure myself. I'm at a loss for what I am doing wrong.

[fmorales]

I figured out the problem, but not the solution. the key 'value7' is not always present. How do I test for it being a string_or_null if it is itself there_or_null. Is there a way to do that?

[brooklynDev]

You should be able to wrap it in a call to optional

require 'airborne'

describe 'issue 30' do
  it 'gets value7' do
    get 'https://gist.githubusercontent.com/fmorales/5b21b301c5e8ae39118c/raw/2e41a8a6569d9b11ef02e9a76ca4165a81ae0859/gistfile1.json'
    expect_json_types('array2.0.WhatIsThis.array3.0', optional({value7: :string_or_null}))
  end
end

We put lots of effort into the documentation, please check them out to see if they help you out:

https://github.com/brooklynDev/airborne/blob/master/README.md

[fmorales]

Thank you so much for you help. I had tried that. I must have been using it wrong. Thank you for the clarifacation.