Class: TestRunner::TestList

Inherits:
Object
  • Object
show all
Defined in:
lib/test-runner/test_list.rb

Instance Method Summary collapse

Instance Method Details

#all ⇒ Array<Test>

Return a list of all known tests

Returns:



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# File 'lib/test-runner/test_list.rb', line 8

def all
  parse_many(extract_all)
end

#by_path(path) ⇒ Test

Return one test specified by path

Returns:



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# File 'lib/test-runner/test_list.rb', line 21

def by_path(path)
  parse_one(path, extract_one(path))
end

#create_test(path, data) ⇒ Object (protected) 



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# File 'lib/test-runner/test_list.rb', line 74

def create_test(path, data)
  Test.new(
    path: path,
    type: data['type'],
    template: data['template'],
    template_args: data['templateArgs'],
    test_args: data.fetch('testArgs', {}),
    name: data['name'],
    description: data['description'],
    attempts: data['attempts'],
    expect_failure: data['expectFailure'],
    tags: data['tags'],
    labels: data['labels'],
    test_scripts: data['testScripts']
  )
end

#extract_all ⇒ Object (protected) 



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# File 'lib/test-runner/test_list.rb', line 47

def extract_all
  cmd = ['nix', 'eval', '--json', '--impure', ".#testsMeta.#{nix_system}"]
  out, status = Open3.capture2(*cmd)
  raise "nix eval testsMeta failed (#{status.exitstatus})" unless status.success?

  out
end

#extract_one(path) ⇒ Object (protected) 



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# File 'lib/test-runner/test_list.rb', line 55

def extract_one(path)
  ref = ".#testsMeta.#{nix_system}.\"#{nix_quote_attr(path)}\""
  cmd = ['nix', 'eval', '--json', '--impure', ref]
  out, status = Open3.capture2(*cmd)
  raise "nix eval testsMeta[#{path}] failed (#{status.exitstatus})" unless status.success?

  out
end

#filter {|| ... } ⇒ Array<Test>

Filter through all tests, return those that the filter matched

Yield Parameters:

Returns:



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# File 'lib/test-runner/test_list.rb', line 15

def filter(&)
  all.select(&)
end

#nix_quote_attr(s) ⇒ Object (protected) 



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# File 'lib/test-runner/test_list.rb', line 43

def nix_quote_attr(s)
  s.to_s.gsub('\\', '\\\\').gsub('"', '\\"')
end

#nix_system ⇒ Object (protected) 



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# File 'lib/test-runner/test_list.rb', line 27

def nix_system
  @nix_system ||= begin
    out, status = Open3.capture2(
      'nix',
      'eval',
      '--raw',
      '--impure',
      '--expr',
      'builtins.currentSystem'
    )
    raise "nix eval builtins.currentSystem failed (#{status.exitstatus})" unless status.success?

    out.strip
  end
end

#parse_many(json) ⇒ Object (protected) 



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# File 'lib/test-runner/test_list.rb', line 64

def parse_many(json)
  JSON.parse(json).map do |name, opts|
    create_test(name, opts)
  end
end

#parse_one(path, json) ⇒ Object (protected) 



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# File 'lib/test-runner/test_list.rb', line 70

def parse_one(path, json)
  create_test(path, JSON.parse(json))
end