Merge pull request #102 from toffguy77/ruHolidays

add Russian's holidays
rickar · Nov 11, 2022 · 75ff87b · 75ff87b
2 parents 3a384be + 3bdf18e
commit 75ff87b
Showing 2 changed files with 211 additions and 0 deletions.
diff --git a/v2/ru/ru_holidays.go b/v2/ru/ru_holidays.go
@@ -0,0 +1,106 @@
+// (c) Rick Arnold. Licensed under the BSD license (see LICENSE).
+
+// Package ru provides holiday definitions for Russia.
+package ru
+
+import (
+	"time"
+
+	"github.com/rickar/cal/v2"
+	"github.com/rickar/cal/v2/aa"
+)
+
+var (
+	// Standard RU weekend substitution rules:
+	//   Saturdays move to Monday
+	//   Sundays move to Monday
+	weekendAlt = []cal.AltDay{
+		{Day: time.Saturday, Offset: 2},
+		{Day: time.Sunday, Offset: 1},
+	}
+
+	// NewYear represents New Year's Day on 1-Jan
+	NewYear = aa.NewYear.Clone(&cal.Holiday{
+		Name:     "Новый Год",
+		Type:     cal.ObservancePublic,
+		Observed: weekendAlt,
+	})
+
+	// OrthodoxChristmas represents Orthodox Christmas on 7-Jan
+	OrthodoxChristmas = &cal.Holiday{
+		Name:     "Рождество Христово",
+		Type:     cal.ObservancePublic,
+		Month:    time.January,
+		Day:      7,
+		Observed: weekendAlt,
+		Func:     cal.CalcDayOfMonth,
+	}
+
+	// MilitaryDay represents Defender of the Fatherland Day 23-Feb
+	MilitaryDay = &cal.Holiday{
+		Name:     "День защитника Отечества",
+		Type:     cal.ObservancePublic,
+		Month:    time.February,
+		Day:      23,
+		Observed: weekendAlt,
+		Func:     cal.CalcDayOfMonth,
+	}
+
+	// WomensDay represents International Women's Day 8-Mar
+	WomensDay = &cal.Holiday{
+		Name:     "Международный женский день",
+		Type:     cal.ObservancePublic,
+		Month:    time.March,
+		Day:      8,
+		Observed: weekendAlt,
+		Func:     cal.CalcDayOfMonth,
+	}
+
+	// LabourDay represents Labour Day on 1-May
+	LabourDay = aa.WorkersDay.Clone(&cal.Holiday{
+		Name:     "Праздник Весны и Труда",
+		Type:     cal.ObservancePublic,
+		Observed: weekendAlt})
+
+	// VictoryDay represents Victory Day on 9-May
+	VictoryDay = &cal.Holiday{
+		Name:     "День Победы советского народа в Великой Отечественной войне 1941-1945 годов",
+		Type:     cal.ObservancePublic,
+		Month:    time.May,
+		Day:      9,
+		Observed: weekendAlt,
+		Func:     cal.CalcDayOfMonth,
+	}
+
+	// RussiasDay represents Russia's Day on 12-Jun
+	RussiasDay = &cal.Holiday{
+		Name:     "День России",
+		Type:     cal.ObservancePublic,
+		Month:    time.June,
+		Day:      12,
+		Observed: weekendAlt,
+		Func:     cal.CalcDayOfMonth,
+	}
+
+	// UnionDay represents National Union Day on 4-Nov
+	UnionDay = &cal.Holiday{
+		Name:     "День народного едиснтва России",
+		Type:     cal.ObservancePublic,
+		Month:    time.November,
+		Day:      4,
+		Observed: weekendAlt,
+		Func:     cal.CalcDayOfMonth,
+	}
+
+	// Holidays provides a list of the standard national holidays
+	Holidays = []*cal.Holiday{
+		NewYear,
+		OrthodoxChristmas,
+		MilitaryDay,
+		WomensDay,
+		LabourDay,
+		VictoryDay,
+		RussiasDay,
+		UnionDay,
+	}
+)
diff --git a/v2/ru/ru_holidays_test.go b/v2/ru/ru_holidays_test.go
@@ -0,0 +1,105 @@
+// (c) Rick Arnold. Licensed under the BSD license (see LICENSE).
+
+package ru
+
+import (
+	"testing"
+	"time"
+
+	"github.com/rickar/cal/v2"
+)
+
+func d(y, m, d int) time.Time {
+	return time.Date(y, time.Month(m), d, 0, 0, 0, 0, cal.DefaultLoc)
+}
+
+func TestHolidays(t *testing.T) {
+	tests := []struct {
+		h       *cal.Holiday
+		y       int
+		wantAct time.Time
+		wantObs time.Time
+	}{
+		{NewYear, 2015, d(2015, 1, 1), d(2015, 1, 1)},
+		{NewYear, 2016, d(2016, 1, 1), d(2016, 1, 1)},
+		{NewYear, 2017, d(2017, 1, 1), d(2017, 1, 2)},
+		{NewYear, 2018, d(2018, 1, 1), d(2018, 1, 1)},
+		{NewYear, 2019, d(2019, 1, 1), d(2019, 1, 1)},
+		{NewYear, 2020, d(2020, 1, 1), d(2020, 1, 1)},
+		{NewYear, 2021, d(2021, 1, 1), d(2021, 1, 1)},
+		{NewYear, 2022, d(2022, 1, 1), d(2022, 1, 3)},
+
+		{OrthodoxChristmas, 2015, d(2015, 1, 7), d(2015, 1, 7)},
+		{OrthodoxChristmas, 2016, d(2016, 1, 7), d(2016, 1, 7)},
+		{OrthodoxChristmas, 2017, d(2017, 1, 7), d(2017, 1, 9)},
+		{OrthodoxChristmas, 2018, d(2018, 1, 7), d(2018, 1, 8)},
+		{OrthodoxChristmas, 2019, d(2019, 1, 7), d(2019, 1, 7)},
+		{OrthodoxChristmas, 2020, d(2020, 1, 7), d(2020, 1, 7)},
+		{OrthodoxChristmas, 2021, d(2021, 1, 7), d(2021, 1, 7)},
+		{OrthodoxChristmas, 2022, d(2022, 1, 7), d(2022, 1, 7)},
+
+		{MilitaryDay, 2015, d(2015, 2, 23), d(2015, 2, 23)},
+		{MilitaryDay, 2016, d(2016, 2, 23), d(2016, 2, 23)},
+		{MilitaryDay, 2017, d(2017, 2, 23), d(2017, 2, 23)},
+		{MilitaryDay, 2018, d(2018, 2, 23), d(2018, 2, 23)},
+		{MilitaryDay, 2019, d(2019, 2, 23), d(2019, 2, 25)},
+		{MilitaryDay, 2020, d(2020, 2, 23), d(2020, 2, 24)},
+		{MilitaryDay, 2021, d(2021, 2, 23), d(2021, 2, 23)},
+		{MilitaryDay, 2022, d(2022, 2, 23), d(2022, 2, 23)},
+
+		{WomensDay, 2015, d(2015, 3, 8), d(2015, 3, 9)},
+		{WomensDay, 2016, d(2016, 3, 8), d(2016, 3, 8)},
+		{WomensDay, 2017, d(2017, 3, 8), d(2017, 3, 8)},
+		{WomensDay, 2018, d(2018, 3, 8), d(2018, 3, 8)},
+		{WomensDay, 2019, d(2019, 3, 8), d(2019, 3, 8)},
+		{WomensDay, 2020, d(2020, 3, 8), d(2020, 3, 9)},
+		{WomensDay, 2021, d(2021, 3, 8), d(2021, 3, 8)},
+		{WomensDay, 2022, d(2022, 3, 8), d(2022, 3, 8)},
+
+		{LabourDay, 2015, d(2015, 5, 1), d(2015, 5, 1)},
+		{LabourDay, 2016, d(2016, 5, 1), d(2016, 5, 2)},
+		{LabourDay, 2017, d(2017, 5, 1), d(2017, 5, 1)},
+		{LabourDay, 2018, d(2018, 5, 1), d(2018, 5, 1)},
+		{LabourDay, 2019, d(2019, 5, 1), d(2019, 5, 1)},
+		{LabourDay, 2020, d(2020, 5, 1), d(2020, 5, 1)},
+		{LabourDay, 2021, d(2021, 5, 1), d(2021, 5, 3)},
+		{LabourDay, 2022, d(2022, 5, 1), d(2022, 5, 2)},
+
+		{VictoryDay, 2015, d(2015, 5, 9), d(2015, 5, 11)},
+		{VictoryDay, 2016, d(2016, 5, 9), d(2016, 5, 9)},
+		{VictoryDay, 2017, d(2017, 5, 9), d(2017, 5, 9)},
+		{VictoryDay, 2018, d(2018, 5, 9), d(2018, 5, 9)},
+		{VictoryDay, 2019, d(2019, 5, 9), d(2019, 5, 9)},
+		{VictoryDay, 2020, d(2020, 5, 9), d(2020, 5, 11)},
+		{VictoryDay, 2021, d(2021, 5, 9), d(2021, 5, 10)},
+		{VictoryDay, 2022, d(2022, 5, 9), d(2022, 5, 9)},
+
+		{RussiasDay, 2015, d(2015, 6, 12), d(2015, 6, 12)},
+		{RussiasDay, 2016, d(2016, 6, 12), d(2016, 6, 13)},
+		{RussiasDay, 2017, d(2017, 6, 12), d(2017, 6, 12)},
+		{RussiasDay, 2018, d(2018, 6, 12), d(2018, 6, 12)},
+		{RussiasDay, 2019, d(2019, 6, 12), d(2019, 6, 12)},
+		{RussiasDay, 2020, d(2020, 6, 12), d(2020, 6, 12)},
+		{RussiasDay, 2021, d(2021, 6, 12), d(2021, 6, 14)},
+		{RussiasDay, 2022, d(2022, 6, 12), d(2022, 6, 13)},
+
+		{UnionDay, 2015, d(2015, 11, 4), d(2015, 11, 4)},
+		{UnionDay, 2016, d(2016, 11, 4), d(2016, 11, 4)},
+		{UnionDay, 2017, d(2017, 11, 4), d(2017, 11, 6)},
+		{UnionDay, 2018, d(2018, 11, 4), d(2018, 11, 5)},
+		{UnionDay, 2019, d(2019, 11, 4), d(2019, 11, 4)},
+		{UnionDay, 2020, d(2020, 11, 4), d(2020, 11, 4)},
+		{UnionDay, 2021, d(2021, 11, 4), d(2021, 11, 4)},
+		{UnionDay, 2022, d(2022, 11, 4), d(2022, 11, 4)},
+	}
+
+	for _, test := range tests {
+		gotAct, gotObs := test.h.Calc(test.y)
+		if !gotAct.Equal(test.wantAct) {
+			t.Errorf("%s %d: got actual: %s, want: %s", test.h.Name, test.y, gotAct.String(), test.wantAct.String())
+		}
+		if !gotObs.Equal(test.wantObs) {
+			t.Errorf("%s %d: got observed: %s, want: %s", test.h.Name, test.y, gotObs.String(), test.wantObs.String())
+		}
+	}
+}