ffc50246c2
We settled on using this style in commit 4cbe81a1, but didn't add the
rule enforcing this style and we didn't apply it to existing code.
59 lines
2.5 KiB
Ruby
59 lines
2.5 KiB
Ruby
require "rails_helper"
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describe Age do
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describe ".in_years" do
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it "handles nils" do
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expect(Age.in_years(nil)).to be_nil
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end
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it "calculates age correctly for common dates" do
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d = Date.new(1980, 3, 13)
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expect(Age.in_years(d, Date.new(2000, 3, 12))).to eq(19)
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expect(Age.in_years(d, Date.new(2000, 3, 13))).to eq(20)
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expect(Age.in_years(d, Date.new(2000, 3, 14))).to eq(20)
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end
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it "calculates age correctly for people born near a year's limit" do
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d = Date.new(1980, 12, 31)
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expect(Age.in_years(d, Date.new(2000, 12, 30))).to eq(19)
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expect(Age.in_years(d, Date.new(2000, 12, 31))).to eq(20)
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expect(Age.in_years(d, Date.new(2001, 1, 1))).to eq(20)
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d = Date.new(1980, 1, 1)
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expect(Age.in_years(d, Date.new(2000, 12, 31))).to eq(20)
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expect(Age.in_years(d, Date.new(2001, 1, 1))).to eq(21)
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expect(Age.in_years(d, Date.new(2001, 1, 2))).to eq(21)
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end
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it "calculates age correctly for people born around February the 29th" do
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# 1980 and 2000 are leap years. 2001 is a regular year
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d = Date.new(1980, 2, 29)
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expect(Age.in_years(d, Date.new(2000, 2, 27))).to eq(19)
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expect(Age.in_years(d, Date.new(2000, 2, 28))).to eq(19)
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expect(Age.in_years(d, Date.new(2000, 2, 29))).to eq(20)
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expect(Age.in_years(d, Date.new(2000, 3, 1))).to eq(20)
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expect(Age.in_years(d, Date.new(2001, 2, 27))).to eq(20)
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expect(Age.in_years(d, Date.new(2001, 2, 28))).to eq(20)
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expect(Age.in_years(d, Date.new(2001, 3, 1))).to eq(21)
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d = Date.new(1980, 2, 28)
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expect(Age.in_years(d, Date.new(2000, 2, 27))).to eq(19)
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expect(Age.in_years(d, Date.new(2000, 2, 28))).to eq(20)
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expect(Age.in_years(d, Date.new(2000, 2, 29))).to eq(20)
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expect(Age.in_years(d, Date.new(2000, 3, 1))).to eq(20)
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expect(Age.in_years(d, Date.new(2001, 2, 27))).to eq(20)
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expect(Age.in_years(d, Date.new(2001, 2, 28))).to eq(21)
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expect(Age.in_years(d, Date.new(2001, 3, 1))).to eq(21)
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d = Date.new(1980, 3, 1)
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expect(Age.in_years(d, Date.new(2000, 2, 27))).to eq(19)
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expect(Age.in_years(d, Date.new(2000, 2, 28))).to eq(19)
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expect(Age.in_years(d, Date.new(2000, 2, 29))).to eq(19)
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expect(Age.in_years(d, Date.new(2000, 3, 1))).to eq(20)
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expect(Age.in_years(d, Date.new(2001, 2, 27))).to eq(20)
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expect(Age.in_years(d, Date.new(2001, 2, 28))).to eq(20)
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expect(Age.in_years(d, Date.new(2001, 3, 1))).to eq(21)
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end
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end
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end
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