Jorge Manrubia
43 lines
1.2 KiB
Ruby
43 lines
1.2 KiB
Ruby
require "test_helper"
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class Account::ExternalIdSequenceTest < ActiveSupport::TestCase
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setup do
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Account::ExternalIdSequence.delete_all
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end
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test "generate sequential values" do
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first_value = Account::ExternalIdSequence.next
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second_value = Account::ExternalIdSequence.next
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third_value = Account::ExternalIdSequence.next
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assert_equal first_value + 1, second_value
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assert_equal second_value + 1, third_value
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end
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test "start from the maximum existing external account id" do
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max_id = Account.maximum(:external_account_id) || 0
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first_value = Account::ExternalIdSequence.next
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assert_equal max_id + 1, first_value
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end
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test "use a single record for the sequence" do
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3.times { Account::ExternalIdSequence.next }
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assert_equal 1, Account::ExternalIdSequence.count
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end
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test "handle concurrent access safely" do
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values = 20.times.map do
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Thread.new do
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Account::ExternalIdSequence.next
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end
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end.map(&:value)
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assert_equal 20, values.uniq.size, "All values should be unique"
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assert_equal values.min..values.max, values.sort.first..values.sort.last
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assert_equal 20, values.max - values.min + 1, "Values should be sequential with no gaps"
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end
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end
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