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period_test.txt
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// Copyright 2015 Rick Beton. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package period
import (
"fmt"
"strings"
"time"
)
var oneDay = 24 * time.Hour
var oneMonthApprox = 2629746 * time.Second // 30.436875 days
var oneYearApprox = 31556952 * time.Second // 365.2425 days
//func TestPeriodIntComponents(t *testing.T) {
// g := NewGomegaWithT(t)
//
// cases := []struct {
// value string
// y, m, w, d, dx, hh, mm, ss int
// }{
// // note: the negative cases are also covered (see below)
//
// {value: "P0D"},
// {value: "P1Y", y: 1},
// {value: "P1W", w: 1, d: 7},
// {value: "P6M", m: 6},
// {value: "P12M", m: 12},
// {value: "P39D", w: 5, d: 39, dx: 4},
// {value: "P4D", d: 4, dx: 4},
// {value: "PT12H", hh: 12},
// {value: "PT60M", mm: 60},
// {value: "PT30M", mm: 30},
// {value: "PT5S", ss: 5},
// }
// for i, c := range cases {
// pp := MustParse(c.value, false)
// g.Expect(pp.Years()).To(Equal(c.y), info(i, pp))
// g.Expect(pp.Months()).To(Equal(c.m), info(i, pp))
// g.Expect(pp.Weeks()).To(Equal(c.w), info(i, pp))
// g.Expect(pp.Days()).To(Equal(c.d), info(i, pp))
// g.Expect(pp.ModuloDays()).To(Equal(c.dx), info(i, pp))
// g.Expect(pp.Hours()).To(Equal(c.hh), info(i, pp))
// g.Expect(pp.Minutes()).To(Equal(c.mm), info(i, pp))
// g.Expect(pp.Seconds()).To(Equal(c.ss), info(i, pp))
//
// pn := pp.Negate()
// g.Expect(pn.Years()).To(Equal(-c.y), info(i, pn))
// g.Expect(pn.Months()).To(Equal(-c.m), info(i, pn))
// g.Expect(pn.Weeks()).To(Equal(-c.w), info(i, pn))
// g.Expect(pn.Days()).To(Equal(-c.d), info(i, pn))
// g.Expect(pn.ModuloDays()).To(Equal(-c.dx), info(i, pn))
// g.Expect(pn.Hours()).To(Equal(-c.hh), info(i, pn))
// g.Expect(pn.Minutes()).To(Equal(-c.mm), info(i, pn))
// g.Expect(pn.Seconds()).To(Equal(-c.ss), info(i, pn))
// }
//}
//-------------------------------------------------------------------------------------------------
//func TestPeriodApproxDays(t *testing.T) {
// g := NewGomegaWithT(t)
//
// cases := []struct {
// value string
// approxDays int
// }{
// // note: the negative cases are also covered (see below)
//
// {"P0D", 0},
// {"PT24H", 1},
// {"PT49H", 2},
// {"P1D", 1},
// {"P1M", 30},
// {"P1Y", 365},
// }
// for i, c := range cases {
// p := MustParse(c.value, false)
// td1 := p.TotalDaysApprox()
// g.Expect(td1).To(Equal(c.approxDays), info(i, c.value))
//
// td2 := p.Negate().TotalDaysApprox()
// g.Expect(td2).To(Equal(-c.approxDays), info(i, c.value))
// }
//}
//-------------------------------------------------------------------------------------------------
//func TestPeriodApproxMonths(t *testing.T) {
// g := NewGomegaWithT(t)
//
// cases := []struct {
// value string
// approxMonths int
// }{
// // note: the negative cases are also covered (see below)
//
// {"P0D", 0},
// {"P1D", 0},
// {"P30D", 0},
// {"P31D", 1},
// {"P60D", 1},
// {"P62D", 2},
// {"P1M", 1},
// {"P12M", 12},
// {"P2M31D", 3},
// {"P1Y", 12},
// {"P2Y3M", 27},
// {"PT24H", 0},
// {"PT744H", 1},
// }
// for i, c := range cases {
// p := MustParse(c.value, false)
// td1 := p.TotalMonthsApprox()
// g.Expect(td1).To(Equal(c.approxMonths), info(i, c.value))
//
// td2 := p.Negate().TotalMonthsApprox()
// g.Expect(td2).To(Equal(-c.approxMonths), info(i, c.value))
// }
//}
//-------------------------------------------------------------------------------------------------
//func TestPeriodFormat(t *testing.T) {
// g := NewGomegaWithT(t)
//
// cases := []struct {
// period string
// expectW string // with weeks
// expectD string // without weeks
// }{
// // note: the negative cases are also covered (see below)
//
// {"P0D", "0 days", ""},
//
// {"P1Y1M7D", "1 year, 1 month, 1 week", "1 year, 1 month, 7 days"},
// {"P1Y1M1W1D", "1 year, 1 month, 1 week, 1 day", "1 year, 1 month, 8 days"},
// {"PT1H1M1S", "1 hour, 1 minute, 1 second", ""},
// {"P1Y1M1W1DT1H1M1S", "1 year, 1 month, 1 week, 1 day, 1 hour, 1 minute, 1 second", ""},
// {"P3Y6M39DT2H7M9S", "3 years, 6 months, 5 weeks, 4 days, 2 hours, 7 minutes, 9 seconds", ""},
// {"P365D", "52 weeks, 1 day", ""},
//
// {"P1Y", "1 year", ""},
// {"P3Y", "3 years", ""},
// {"P1.1Y", "1.1 years", ""},
// {"P2.5Y", "2.5 years", ""},
//
// {"P1M", "1 month", ""},
// {"P6M", "6 months", ""},
// {"P1.1M", "1.1 months", ""},
// {"P2.5M", "2.5 months", ""},
//
// {"P1W", "1 week", "7 days"},
// {"P1.1W", "1 week, 0.7 day", "7.7 days"},
// {"P7D", "1 week", "7 days"},
// {"P35D", "5 weeks", "35 days"},
// {"P1D", "1 day", "1 day"},
// {"P4D", "4 days", "4 days"},
// {"P1.1D", "1.1 days", ""},
//
// {"PT1H", "1 hour", ""},
// {"PT1.1H", "1.1 hours", ""},
//
// {"PT1M", "1 minute", ""},
// {"PT1.1M", "1.1 minutes", ""},
//
// {"PT1S", "1 second", ""},
// {"PT1.1S", "1.1 seconds", ""},
// }
// for i, c := range cases {
// p := MustParse(c.period, false)
// sp := p.Format()
// g.Expect(sp).To(Equal(c.expectW), info(i, "%s -> %s", p, c.expectW))
//
// en := p.Negate()
// sn := en.Format()
// g.Expect(sn).To(Equal(c.expectW), info(i, "%s -> %s", en, c.expectW))
//
// if c.expectD != "" {
// s := MustParse(c.period, false).FormatWithoutWeeks()
// g.Expect(s).To(Equal(c.expectD), info(i, "%s -> %s", p, c.expectD))
// }
// }
//}
//-------------------------------------------------------------------------------------------------
//func TestPeriodOnlyYMD(t *testing.T) {
// g := NewGomegaWithT(t)
//
// cases := []struct {
// one string
// expect string
// }{
// {"P1Y2M3DT4H5M6S", "P1Y2M3D"},
// {"-P6Y5M4DT3H2M1S", "-P6Y5M4D"},
// }
// for i, c := range cases {
// s := MustParse(c.one, false).OnlyYMD()
// g.Expect(s).To(Equal(MustParse(c.expect, false)), info(i, c.expect))
// }
//}
//func TestPeriodOnlyHMS(t *testing.T) {
// g := NewGomegaWithT(t)
//
// cases := []struct {
// one string
// expect string
// }{
// {"P1Y2M3DT4H5M6S", "PT4H5M6S"},
// {"-P6Y5M4DT3H2M1S", "-PT3H2M1S"},
// }
// for i, c := range cases {
// s := MustParse(c.one, false).OnlyHMS()
// g.Expect(s).To(Equal(MustParse(c.expect, false)), info(i, c.expect))
// }
//}
//-------------------------------------------------------------------------------------------------
//func TestSimplify(t *testing.T) {
// cases := []struct {
// source, precise, approx string
// }{
// // note: the negative cases are also covered (see below)
//
// // simplify 1 year to months (a = 9)
// {source: "P1Y"},
// {source: "P1Y10M"},
// {source: "P1Y9M", precise: "P21M"},
// {source: "P1Y8.9M", precise: "P20.9M"},
//
// // simplify 1 day to hours (approx only) (b = 6)
// {source: "P1DT6H", precise: "P1DT6H", approx: "PT30H"},
// {source: "P1DT7H"},
// {source: "P1DT5.9H", precise: "P1DT5.9H", approx: "PT29.9H"},
//
// // simplify 1 hour to minutes (c = 10)
// {source: "PT1H"},
// {source: "PT1H21M"},
// {source: "PT1H10M", precise: "PT70M"},
// {source: "PT1H9.9M", precise: "PT69.9M"},
//
// // simplify 1 minute to seconds (d = 30)
// {source: "PT1M"}, // unchanged
// {source: "PT1M31S"}, // ditto
// {source: "PT1M30S", precise: "PT90S"},
// {source: "PT1M29.9S", precise: "PT89.9S"},
//
// // fractional years don't simplify
// {source: "P1.1Y"},
//
// // retained proper fractions
// {source: "P1Y0.1D"},
// {source: "P12M0.1D"},
// {source: "P1YT0.1H"},
// {source: "P1MT0.1H"},
// {source: "P1Y0.1M", precise: "P12.1M"},
// {source: "P1DT0.1H", precise: "P1DT0.1H", approx: "PT24.1H"},
// {source: "P1YT0.1M"},
// {source: "P1MT0.1M"},
// {source: "P1DT0.1M"},
//
// // discard proper fractions - months
// {source: "P10Y0.1M", precise: "P10Y0.1M", approx: "P10Y"},
// // discard proper fractions - days
// {source: "P1Y0.1D", precise: "P1Y0.1D", approx: "P1Y"},
// {source: "P12M0.1D", precise: "P12M0.1D", approx: "P12M"},
// // discard proper fractions - hours
// {source: "P1YT0.1H", precise: "P1YT0.1H", approx: "P1Y"},
// {source: "P1MT0.1H", precise: "P1MT0.1H", approx: "P1M"},
// {source: "P30DT0.1H", precise: "P30DT0.1H", approx: "P30D"},
// // discard proper fractions - minutes
// {source: "P1YT0.1M", precise: "P1YT0.1M", approx: "P1Y"},
// {source: "P1MT0.1M", precise: "P1MT0.1M", approx: "P1M"},
// {source: "P1DT0.1M", precise: "P1DT0.1M", approx: "P1D"},
// {source: "PT24H0.1M", precise: "PT24H0.1M", approx: "PT24H"},
// // discard proper fractions - seconds
// {source: "P1YT0.1S", precise: "P1YT0.1S", approx: "P1Y"},
// {source: "P1MT0.1S", precise: "P1MT0.1S", approx: "P1M"},
// {source: "P1DT0.1S", precise: "P1DT0.1S", approx: "P1D"},
// {source: "PT1H0.1S", precise: "PT1H0.1S", approx: "PT1H"},
// {source: "PT60M0.1S", precise: "PT60M0.1S", approx: "PT60M"},
// }
// for i, c := range cases {
// p := MustParse(nospace(c.source), false)
// if c.precise == "" {
// // unchanged cases
// testSimplify(t, i, p, p, true)
// testSimplify(t, i, p.Negate(), p.Negate(), true)
//
// } else if c.approx == "" {
// // changed but precise/approx has same result
// ep := MustParse(nospace(c.precise), false)
// testSimplify(t, i, p, ep, true)
// testSimplify(t, i, p.Negate(), ep.Negate(), true)
//
// } else {
// // changed and precise/approx have different results
// ep := MustParse(nospace(c.precise), false)
// ea := MustParse(nospace(c.approx), false)
// testSimplify(t, i, p, ep, true)
// testSimplify(t, i, p.Negate(), ep.Negate(), true)
// testSimplify(t, i, p, ea, false)
// testSimplify(t, i, p.Negate(), ea.Negate(), false)
// }
// }
//
// g := NewGomegaWithT(t)
// g.Expect(Period{days: 10, hours: 70}.Simplify(false, 6, 7, 30)).To(Equal(Period{hours: 310}))
// g.Expect(Period{hours: 10, minutes: 300}.Simplify(true, 6, 30)).To(Equal(Period{minutes: 900}))
// g.Expect(Period{years: 10, months: 110}.Simplify(true, 11)).To(Equal(Period{months: 230}))
// g.Expect(Period{days: 10, hours: 60}.Simplify(false)).To(Equal(Period{hours: 300}))
//}
//func testSimplify(t *testing.T, i int, source Period, expected Period, precise bool) {
// g := NewGomegaWithT(t)
// t.Helper()
//
// sstr := source.String()
// n := source.Simplify(precise, 9, 6, 10, 30)
// info := fmt.Sprintf("%d: %s.Simplify(%v) expected %s to equal %s", i, sstr, precise, n, expected)
// expectValid(t, n, info)
// g.Expect(n).To(Equal(expected), info)
//}
//-------------------------------------------------------------------------------------------------
func utc(year int, month time.Month, day, hour, min, sec, msec int) time.Time {
return time.Date(year, month, day, hour, min, sec, msec*int(time.Millisecond), time.UTC)
}
func bst(year int, month time.Month, day, hour, min, sec, msec int) time.Time {
return time.Date(year, month, day, hour, min, sec, msec*int(time.Millisecond), london)
}
var london *time.Location // UTC + 1 hour during summer
func init() {
london, _ = time.LoadLocation("Europe/London")
}
func info(i int, m ...interface{}) string {
if s, ok := m[0].(string); ok {
m[0] = i
return fmt.Sprintf("%d "+s, m...)
}
return fmt.Sprintf("%d %v", i, m[0])
}
func nospace(s string) string {
b := new(strings.Builder)
for _, r := range s {
if r != ' ' {
b.WriteRune(r)
}
}
return b.String()
}