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Added Mexico National holidays. Only added Statutory holidays, still …
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…need to do Civic holidays and Festivities
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@torabisu
torabisu committed Dec 9, 2023
1 parent d7b1f1d commit ae55700
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88 changes: 88 additions & 0 deletions v2/mx/mx_holidays.go
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// (c) Rick Arnold. Licensed under the BSD license (see LICENSE).

// Package mx provides holiday definitions for Mexico.
package mx

import (
"time"

"github.com/rickar/cal/v2"
"github.com/rickar/cal/v2/aa"
)

var (
// Standard MX weekend substitution rules:
// Sundays move to Monday
// Saturdays move to Friday
weekendAlt = []cal.AltDay{
{Day: time.Sunday, Offset: 1},
{Day: time.Saturday, Offset: -1},
}

// NewYear represents New Year's Day on 1-Jan
NewYear = aa.NewYear.Clone(&cal.Holiday{Name: "New Year's Day", Type: cal.ObservancePublic, Observed: weekendAlt})

// ConstitutionDay represents Constitution Day on 5-Feb
ConstitutionDay = &cal.Holiday{
Name: "Constitution Day",
Type: cal.ObservancePublic,
Month: time.February,
Day: 5,
Observed: weekendAlt,
Func: cal.CalcDayOfMonth,
}

// BenitoJuarezDay represents Benito Juárez's Birthday Day on 21-Mar
BenitoJuarezDay = &cal.Holiday{
Name: "Benito Juárez's Birthday",
Type: cal.ObservancePublic,
Month: time.March,
Day: 21,
Observed: weekendAlt,
Func: cal.CalcDayOfMonth,
}

// LabourDay represents Labour Day on 1-May
LabourDay = &cal.Holiday{
Name: "Labour Day",
Type: cal.ObservancePublic,
Month: time.May,
Day: 1,
Observed: weekendAlt,
Func: cal.CalcDayOfMonth,
}

// IndependenceDay represents Independence Day on 16-Sep
IndependenceDay = &cal.Holiday{
Name: "Independence Day",
Type: cal.ObservancePublic,
Month: time.September,
Day: 16,
Observed: weekendAlt,
Func: cal.CalcDayOfMonth,
}

// RevolutionDay represents Revolution Day on 20-Nov
RevolutionDay = &cal.Holiday{
Name: "Revolution Day",
Type: cal.ObservancePublic,
Month: time.November,
Day: 20,
Observed: weekendAlt,
Func: cal.CalcDayOfMonth,
}

// ChristmasDay represents Christmas Day on 25-Dec
ChristmasDay = aa.ChristmasDay.Clone(&cal.Holiday{Name: "Christmas Day", Type: cal.ObservanceBank, Observed: weekendAlt})

// Holidays provides a list of the standard national holidays
Holidays = []*cal.Holiday{
NewYear,
ConstitutionDay,
BenitoJuarezDay,
LabourDay,
IndependenceDay,
RevolutionDay,
ChristmasDay,
}
)
96 changes: 96 additions & 0 deletions v2/mx/mx_holidays_test.go
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// (c) Rick Arnold. Licensed under the BSD license (see LICENSE).

package mx

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(2021, 12, 31)},

{ConstitutionDay, 2015, d(2015, 2, 5), d(2015, 2, 5)},
{ConstitutionDay, 2016, d(2016, 2, 5), d(2016, 2, 5)},
{ConstitutionDay, 2017, d(2017, 2, 5), d(2017, 2, 6)},
{ConstitutionDay, 2018, d(2018, 2, 5), d(2018, 2, 5)},
{ConstitutionDay, 2019, d(2019, 2, 5), d(2019, 2, 5)},
{ConstitutionDay, 2020, d(2020, 2, 5), d(2020, 2, 5)},
{ConstitutionDay, 2021, d(2021, 2, 5), d(2021, 2, 5)},
{ConstitutionDay, 2022, d(2022, 2, 5), d(2022, 2, 4)},

{BenitoJuarezDay, 2015, d(2015, 3, 21), d(2015, 3, 20)},
{BenitoJuarezDay, 2016, d(2016, 3, 21), d(2016, 3, 21)},
{BenitoJuarezDay, 2017, d(2017, 3, 21), d(2017, 3, 21)},
{BenitoJuarezDay, 2018, d(2018, 3, 21), d(2018, 3, 21)},
{BenitoJuarezDay, 2019, d(2019, 3, 21), d(2019, 3, 21)},
{BenitoJuarezDay, 2020, d(2020, 3, 21), d(2020, 3, 20)},
{BenitoJuarezDay, 2021, d(2021, 3, 21), d(2021, 3, 22)},
{BenitoJuarezDay, 2022, d(2022, 3, 21), d(2022, 3, 21)},

{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, 4, 30)},
{LabourDay, 2022, d(2022, 5, 1), d(2022, 5, 2)},

{IndependenceDay, 2015, d(2015, 9, 16), d(2015, 9, 16)},
{IndependenceDay, 2016, d(2016, 9, 16), d(2016, 9, 16)},
{IndependenceDay, 2017, d(2017, 9, 16), d(2017, 9, 15)},
{IndependenceDay, 2018, d(2018, 9, 16), d(2018, 9, 17)},
{IndependenceDay, 2019, d(2019, 9, 16), d(2019, 9, 16)},
{IndependenceDay, 2020, d(2020, 9, 16), d(2020, 9, 16)},
{IndependenceDay, 2021, d(2021, 9, 16), d(2021, 9, 16)},
{IndependenceDay, 2022, d(2022, 9, 16), d(2022, 9, 16)},

{RevolutionDay, 2015, d(2015, 11, 20), d(2015, 11, 20)},
{RevolutionDay, 2016, d(2016, 11, 20), d(2016, 11, 21)},
{RevolutionDay, 2017, d(2017, 11, 20), d(2017, 11, 20)},
{RevolutionDay, 2018, d(2018, 11, 20), d(2018, 11, 20)},
{RevolutionDay, 2019, d(2019, 11, 20), d(2019, 11, 20)},
{RevolutionDay, 2020, d(2020, 11, 20), d(2020, 11, 20)},
{RevolutionDay, 2021, d(2021, 11, 20), d(2021, 11, 19)},
{RevolutionDay, 2022, d(2022, 11, 20), d(2022, 11, 21)},

{ChristmasDay, 2015, d(2015, 12, 25), d(2015, 12, 25)},
{ChristmasDay, 2016, d(2016, 12, 25), d(2016, 12, 26)},
{ChristmasDay, 2017, d(2017, 12, 25), d(2017, 12, 25)},
{ChristmasDay, 2018, d(2018, 12, 25), d(2018, 12, 25)},
{ChristmasDay, 2019, d(2019, 12, 25), d(2019, 12, 25)},
{ChristmasDay, 2020, d(2020, 12, 25), d(2020, 12, 25)},
{ChristmasDay, 2021, d(2021, 12, 25), d(2021, 12, 24)},
{ChristmasDay, 2022, d(2022, 12, 25), d(2022, 12, 26)},
}

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())
}
}
}

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