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time_rule_test.go
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// Copyright © 2020 Danila Petrunko. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package rdate
import (
"testing"
"time"
)
func TestTimeRules_Perform(t *testing.T) {
testCases := []struct {
name string
date time.Time
rule TimeRule
expected time.Time
}{
{
name: "AsIs",
rule: &timeRuleAsIs{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
},
{
name: "StartOfThisDay",
rule: &timeRuleStartOfThisDay{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.FixedZone("UTC-8", -8*60*60)),
expected: time.Date(2019, 12, 11, 0, 0, 0, 0, time.FixedZone("UTC-8", -8*60*60)),
},
{
name: "EndOfThisDay",
rule: &timeRuleEndOfThisDay{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 11, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfPrevDay",
rule: &timeRuleStartOfPrevDay{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.FixedZone("UTC+4", 4*60*60)),
expected: time.Date(2019, 12, 10, 0, 0, 0, 0, time.FixedZone("UTC+4", 4*60*60)),
},
{
name: "EndOfPrevDay",
rule: &timeRuleEndOfPrevDay{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 10, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfThisWeek",
rule: &timeRuleStartOfThisWeek{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.FixedZone("UTC-1", -1*60*60)),
expected: time.Date(2019, 12, 9, 0, 0, 0, 0, time.FixedZone("UTC-1", -1*60*60)),
},
{
name: "EndOfThisWeek",
rule: &timeRuleEndOfThisWeek{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 15, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfThisWeek(Sunday)",
rule: &timeRuleStartOfThisWeek{},
date: time.Date(2020, 8, 9, 0, 0, 0, 0, time.UTC),
expected: time.Date(2020, 8, 3, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfThisWeek(Sunday)",
rule: &timeRuleEndOfThisWeek{},
date: time.Date(2020, 8, 9, 0, 0, 0, 0, time.UTC),
expected: time.Date(2020, 8, 9, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfThisWeekS(the first day of the week is Sunday)",
rule: &timeRuleStartOfThisWeekS{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.FixedZone("UTC+8", 8*60*60)),
expected: time.Date(2019, 12, 8, 0, 0, 0, 0, time.FixedZone("UTC+8", 8*60*60)),
},
{
name: "EndOfThisWeekS(the first day of the week is Sunday)",
rule: &timeRuleEndOfThisWeekS{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 14, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfThisMonth",
rule: &timeRuleStartOfThisMonth{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 1, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfThisMonth",
rule: &timeRuleEndOfThisMonth{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 31, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfThisQuart",
rule: &timeRuleStartOfThisQuart{},
date: time.Date(2019, 7, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 7, 1, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfThisQuart",
rule: &timeRuleEndOfThisQuart{},
date: time.Date(2019, 7, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 9, 30, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfThisHalfYear",
rule: &timeRuleStartOfThisHalfYear{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 7, 1, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfThisHalfYear",
rule: &timeRuleEndOfThisHalfYear{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 31, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfThisYear",
rule: &timeRuleStartOfThisYear{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 1, 1, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfThisYear",
rule: &timeRuleEndOfThisYear{},
date: time.Date(2019, 3, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 31, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfPrevWeek",
rule: &timeRuleStartOfPrevWeek{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 2, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfPrevWeek",
rule: &timeRuleEndOfPrevWeek{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 8, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfPrevWeek(Sunday)",
rule: &timeRuleStartOfPrevWeek{},
date: time.Date(2020, 8, 9, 0, 0, 0, 0, time.UTC),
expected: time.Date(2020, 7, 27, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfPrevWeek(Sunday)",
rule: &timeRuleEndOfPrevWeek{},
date: time.Date(2020, 8, 9, 0, 0, 0, 0, time.UTC),
expected: time.Date(2020, 8, 2, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfPrevWeekS(the first day of the week is Sunday)",
rule: &timeRuleStartOfPrevWeekS{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 1, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfPrevWeekS(the first day of the week is Sunday)",
rule: &timeRuleEndOfPrevWeekS{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 12, 7, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfPrevMonth",
rule: &timeRuleStartOfPrevMonth{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 11, 1, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfPrevMonth",
rule: &timeRuleEndOfPrevMonth{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 11, 30, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfPrevQuart",
rule: &timeRuleStartOfPrevQuart{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 7, 1, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfPrevQuart",
rule: &timeRuleEndOfPrevQuart{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 9, 30, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfPrevHalfYear",
rule: &timeRuleStartOfPrevHalfYear{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 1, 1, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfPrevHalfYear",
rule: &timeRuleEndOfPrevHalfYear{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2019, 6, 30, 23, 59, 59, 999999999, time.UTC),
},
{
name: "StartOfPrevYear",
rule: &timeRuleStartOfPrevYear{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2018, 1, 1, 0, 0, 0, 0, time.UTC),
},
{
name: "EndOfPrevYear",
rule: &timeRuleEndOfPrevYear{},
date: time.Date(2019, 12, 11, 0, 2, 1, 6, time.UTC),
expected: time.Date(2018, 12, 31, 23, 59, 59, 999999999, time.UTC),
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
actual := tc.rule.Calculate(tc.date)
if !actual.Equal(tc.expected) {
t.Errorf("Date = %s; expected %s", actual, tc.expected)
}
})
}
}