64 lines
1.6 KiB
Ruby
64 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: balances
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#
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# id :bigint not null, primary key
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# amount :decimal(20, 10) default(0.0), not null
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# created_at :datetime not null
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# updated_at :datetime not null
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# currency_id :bigint not null
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# user_id :bigint not null
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#
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# Indexes
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#
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# index_balances_on_currency_id (currency_id)
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# index_balances_on_user_id (user_id)
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#
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# Foreign Keys
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#
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# fk_rails_... (currency_id => currencies.id)
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# fk_rails_... (user_id => users.id)
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#
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require "rails_helper"
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RSpec.describe(Balance, type: :model) do
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describe "validations" do
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it { is_expected.to(validate_presence_of(:amount)) }
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end
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describe "associations" do
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it { is_expected.to(belong_to(:user)) }
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it { is_expected.to(belong_to(:currency)) }
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end
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describe ".withdrwal!" do
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context "when value is greater than the balance" do
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it "raise ActiveRecord::RecordInvalid" do
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balance = build(:balance, amount: 70.342)
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expect { balance.withdrawal!(80) }.to(
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raise_error(ActiveRecord::RecordInvalid, "A validação falhou: Quantia saldo insuficiente")
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)
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end
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end
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context "when value is equals to the balance" do
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it "returns true" do
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balance = build(:balance, amount: 70.342)
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expect(balance.withdrawal!(70.342)).to(eq(true))
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end
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end
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context "when value is smaller than the balance" do
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it "returns true" do
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balance = build(:balance, amount: 70.342)
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expect(balance.withdrawal!(20)).to(eq(true))
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end
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end
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end
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end
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