spec/date_spec.rb in nydp-0.4.3 vs spec/date_spec.rb in nydp-0.4.5

@@ -136,10 +136,44 @@
     expect(nd._nydp_get(:"next-month").to_s).          to eq "2015-07-08"
     expect(nd._nydp_get(:"beginning-of-month").to_s).  to eq "2015-06-01"
     expect(nd._nydp_get(:"end-of-month").to_s).        to eq "2015-06-30"
   end
 
+  it "calculates end-of-month all year around" do
+    expect(Nydp.r2n(Date.parse("2015-01-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-01-31"
+    expect(Nydp.r2n(Date.parse("2015-02-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-02-28"
+    expect(Nydp.r2n(Date.parse("2016-02-08"))._nydp_get(:"end-of-month").to_s).to eq "2016-02-29"
+    expect(Nydp.r2n(Date.parse("2015-03-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-03-31"
+    expect(Nydp.r2n(Date.parse("2015-04-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-04-30"
+    expect(Nydp.r2n(Date.parse("2015-05-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-05-31"
+    expect(Nydp.r2n(Date.parse("2015-06-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-06-30"
+    expect(Nydp.r2n(Date.parse("2015-07-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-07-31"
+    expect(Nydp.r2n(Date.parse("2015-08-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-08-31"
+    expect(Nydp.r2n(Date.parse("2015-09-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-09-30"
+    expect(Nydp.r2n(Date.parse("2015-10-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-10-31"
+    expect(Nydp.r2n(Date.parse("2015-11-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-11-30"
+    expect(Nydp.r2n(Date.parse("2015-12-08"))._nydp_get(:"end-of-month").to_s).to eq "2015-12-31"
+  end
+
+  it "manages leap years" do
+    rd = Date.parse "2020-02-08"
+    nd = Nydp.r2n rd
+
+    expect(nd._nydp_get(:"last-month").to_s).          to eq "2020-01-08"
+    expect(nd._nydp_get(:"next-month").to_s).          to eq "2020-03-08"
+    expect(nd._nydp_get(:"beginning-of-month").to_s).  to eq "2020-02-01"
+    expect(nd._nydp_get(:"end-of-month").to_s).        to eq "2020-02-29"
+
+    rd = Date.parse "2020-02-28"
+    nd = Nydp.r2n rd
+    expect(nd._nydp_get(:"tomorrow").to_s).            to eq "2020-02-29"
+
+    rd = Date.parse "2020-03-01"
+    nd = Nydp.r2n rd
+    expect(nd._nydp_get(:"yesterday").to_s).           to eq "2020-02-29"
+  end
+
   it "returns relative dates by week" do
     rd = Date.parse "2015-03-12"
     nd = Nydp.r2n rd
 
     expect(nd._nydp_get(:"last-week").to_s).          to eq "2015-03-05"
@@ -158,7 +192,52 @@
   it "returns a negative age relative to today for a date in the future" do
     rd = Date.parse "2094-11-18"
     nd = Nydp.r2n rd
     allow(::Date).to receive_messages(today: Date.parse("2016-06-21"))
     expect(nd._nydp_get(:age)).to eq({ years: -78, months: -5 })
+  end
+
+  describe "#change" do
+    let(:nd) { Nydp::Date.new(Date.parse("1965-06-08")) }
+
+    it "advances by weeks" do
+      expect((nd.change  1, :week).to_s).to eq "1965-06-15"
+      expect((nd.change -1, :week).to_s).to eq "1965-06-01"
+      expect((nd.change -2, :week).to_s).to eq "1965-05-25"
+      expect((nd.change  2, :week).to_s).to eq "1965-06-22"
+    end
+
+    it "advances by days" do
+      expect((nd.change  1, :day).to_s).to eq "1965-06-09"
+      expect((nd.change -1, :day).to_s).to eq "1965-06-07"
+      expect((nd.change -2, :day).to_s).to eq "1965-06-06"
+      expect((nd.change  2, :day).to_s).to eq "1965-06-10"
+    end
+
+    it "advances by months" do
+      expect((nd.change  1, :month).to_s).to eq "1965-07-08"
+      expect((nd.change -1, :month).to_s).to eq "1965-05-08"
+      expect((nd.change -2, :month).to_s).to eq "1965-04-08"
+      expect((nd.change  2, :month).to_s).to eq "1965-08-08"
+    end
+
+    it "advances by years" do
+      expect((nd.change  1, :year).to_s).to eq "1966-06-08"
+      expect((nd.change -1, :year).to_s).to eq "1964-06-08"
+      expect((nd.change -2, :year).to_s).to eq "1963-06-08"
+      expect((nd.change  2, :year).to_s).to eq "1967-06-08"
+    end
+
+    it "handles leap years and small months" do
+      d = Nydp::Date.new(Date.parse("2019-12-31"))
+
+      expect(d.change( 2, :month).to_s).to eq "2020-02-29"
+      expect(d.change(12, :month).to_s).to eq "2020-12-31"
+      expect(d.change(14, :month).to_s).to eq "2021-02-28"
+      expect(d.change( 6, :month).to_s).to eq "2020-06-30"
+      expect(d.change( 7, :month).to_s).to eq "2020-07-31"
+
+      d = Nydp::Date.new(Date.parse("2020-02-29"))
+      expect(d.change(12, :month).to_s).to eq "2021-02-28"
+    end
   end
 end