inspec/test/unit/resources/aws_iam_role_test.rb

require "helper"
require "inspec/resource"
require "resources/aws/aws_iam_role"

require "resource_support/aws"
require "resources/aws/aws_iam_role"

# MIRB = MockIamRoleBackend
# Abbreviation not used outside this file

#=============================================================================#
#                            Constructor Tests
#=============================================================================#
class AwsIamRoleConstructorTest < Minitest::Test
  def setup
    AwsIamRole::BackendFactory.select(AwsMIRB::Basic)
  end

  def test_constructor_some_args_required
    assert_raises(ArgumentError) { AwsIamRole.new }
  end

  def test_constructor_accepts_scalar_role_name
    AwsIamRole.new("alpha")
  end

  def test_constructor_accepts_role_name_as_hash
    AwsIamRole.new(role_name: "alpha")
  end

  def test_constructor_rejects_unrecognized_resource_params
    assert_raises(ArgumentError) { AwsIamRole.new(beep: "boop") }
  end
end

#=============================================================================#
#                               Search / Recall
#=============================================================================#
class AwsIamRoleRecallTest < Minitest::Test
  # No setup here - each test needs to explicitly declare
  # what they want from the backend.

  def test_recall_no_match_is_no_exception
    AwsIamRole::BackendFactory.select(AwsMIRB::Miss)
    refute AwsIamRole.new("nonesuch").exists?
  end

  def test_recall_match_single_result_works
    AwsIamRole::BackendFactory.select(AwsMIRB::Basic)
    assert AwsIamRole.new("alpha").exists?
  end
end

#=============================================================================#
#                                Properties
#=============================================================================#

class AwsIamRolePropertiesTest < Minitest::Test
  def setup
    AwsIamRole::BackendFactory.select(AwsMIRB::Basic)
  end

  #---------------------------------------
  #       description
  #---------------------------------------
  def test_property_description
    assert_equal("alpha role", AwsIamRole.new("alpha").description)
  end

  def test_prop_conf_sub_count_zero
    assert_empty(AwsIamRole.new("beta").description)
  end
end

#=============================================================================#
#                               Test Fixtures
#=============================================================================#
module AwsMIRB
  class Miss < AwsBackendBase
    def get_role(query)
      raise Aws::IAM::Errors::NoSuchEntity.new("Nope", "Nope")
    end
  end

  class Basic < AwsBackendBase
    def get_role(query)
      fixtures = {
        "alpha" => OpenStruct.new({
          role_name: "alpha",
          description: "alpha role",
        }),
        "beta" => OpenStruct.new({
          role_name: "beta",
          description: "",
        }),
      }
      unless fixtures.key?(query[:role_name])
        raise Aws::IAM::Errors::NoSuchEntity.new("Nope", "Nope")
      end
      OpenStruct.new({
        role: fixtures[query[:role_name]],
      })
    end
  end
end