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29 lines
853 B
Ruby
29 lines
853 B
Ruby
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# test/initializers/big_decimal_extensions_test.rb
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require "test_helper"
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class NumericExtensionsTest < ActiveSupport::TestCase
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test "#cents returns the cents part with 2 precisions by default" do
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amount = 123.45
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assert_equal "45", amount.cents
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end
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test "#cents returns empty when precision is 0" do
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amount = 123.45
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assert_equal "", amount.cents(precision: 0)
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end
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test "#cents returns the cents part of the string with given precision" do
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amount = 123.4862
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assert_equal "4", amount.cents(precision: 1)
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assert_equal "486", amount.cents(precision: 3)
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end
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test "#cents pads the cents part with zeros up to the specified precision" do
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amount_without_decimal = 123
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amount_with_decimal = 123.4
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assert_equal "00", amount_without_decimal.cents
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assert_equal "40", amount_with_decimal.cents
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end
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end
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