51 lines
1.3 KiB
Ruby
51 lines
1.3 KiB
Ruby
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# frozen_string_literal: true
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require "extend/blank"
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describe Object do
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let(:empty_true) do
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Class.new(described_class) do
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def empty?
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0
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end
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end
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end
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let(:empty_false) do
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Class.new(described_class) do
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def empty?
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nil
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end
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end
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end
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let(:blank) { [empty_true.new, nil, false, "", " ", " \n\t \r ", " ", "\u00a0", [], {}] }
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let(:present) { [empty_false.new, described_class.new, true, 0, 1, "a", [nil], { nil => 0 }, Time.now] }
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describe ".blank?" do
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it "checks if an object is blank" do
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blank.each { |v| expect(v.blank?).to be true }
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present.each { |v| expect(v.blank?).to be false }
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end
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it "checks if an object is blank with bundled string encodings" do
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Encoding.list.reject(&:dummy?).each do |encoding|
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expect(" ".encode(encoding).blank?).to be true
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expect("a".encode(encoding).blank?).to be false
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end
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end
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end
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describe ".present?" do
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it "checks if an object is present" do
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blank.each { |v| expect(v.present?).to be false }
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present.each { |v| expect(v.present?).to be true }
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end
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end
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describe ".presence" do
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it "returns the object if present, or nil" do
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blank.each { |v| expect(v.presence).to be_nil }
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present.each { |v| expect(v.presence).to be v }
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end
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end
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end
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