Incorporate fix for dd.mm.yyyy format

Incorporates PR https://github.com/araddon/dateparse/pull/133 from https://github.com/mehanizm to fix https://github.com/araddon/dateparse/issues/129

Adds test cases to verify the following are already fixed:
* https://github.com/araddon/dateparse/issues/105
This commit is contained in:
Klondike Dragon 2023-12-11 23:46:44 -07:00
parent 1b1e0b3d33
commit 3ebc8bc635
2 changed files with 66 additions and 17 deletions

View File

@ -396,12 +396,24 @@ iterRunes:
} }
} else { } else {
p.ambiguousMD = true p.ambiguousMD = true
p.moi = 0 if p.preferMonthFirst {
p.molen = i if p.molen == 0 {
if !p.setMonth() { // 03.31.2005
return p, unknownErr(datestr) p.molen = i
if !p.setMonth() {
return p, unknownErr(datestr)
}
p.dayi = i + 1
}
} else {
if p.daylen == 0 {
p.daylen = i
if !p.setDay() {
return p, unknownErr(datestr)
}
p.moi = i + 1
}
} }
p.dayi = i + 1
} }
case ' ': case ' ':
@ -799,9 +811,17 @@ iterRunes:
return p, unknownErr(datestr) return p, unknownErr(datestr)
} }
p.stateDate = dateDigitDotDot p.stateDate = dateDigitDotDot
} else if p.dayi == 0 && p.yearlen == 0 {
// 23.07.2002
p.molen = i - p.moi
p.yeari = i + 1
if !p.setMonth() {
return p, unknownErr(datestr)
}
p.stateDate = dateDigitDotDot
} else { } else {
// 2018.09.30 // 2018.09.30
//p.molen = 2 // p.molen = 2
p.molen = i - p.moi p.molen = i - p.moi
p.dayi = i + 1 p.dayi = i + 1
if !p.setMonth() { if !p.setMonth() {
@ -2267,20 +2287,20 @@ func (p *parser) coalesceTime(end int) {
} }
} }
func (p *parser) setFullMonth(month string) { func (p *parser) setFullMonth(month string) {
oldLen := len(p.format) oldLen := len(p.format)
const fullMonth = "January" const fullMonth = "January"
p.format = []byte(fmt.Sprintf("%s%s%s", p.format[0:p.moi], fullMonth, p.format[p.moi+len(month):])) p.format = []byte(fmt.Sprintf("%s%s%s", p.format[0:p.moi], fullMonth, p.format[p.moi+len(month):]))
newLen := len(p.format) newLen := len(p.format)
if newLen > oldLen && p.formatSetLen >= p.moi { if newLen > oldLen && p.formatSetLen >= p.moi {
p.formatSetLen += newLen - oldLen p.formatSetLen += newLen - oldLen
} else if newLen < oldLen && p.formatSetLen >= p.moi { } else if newLen < oldLen && p.formatSetLen >= p.moi {
p.formatSetLen -= oldLen - newLen p.formatSetLen -= oldLen - newLen
} }
if p.formatSetLen > len(p.format) { if p.formatSetLen > len(p.format) {
p.formatSetLen = len(p.format) p.formatSetLen = len(p.format)
} else if p.formatSetLen < len(fullMonth) { } else if p.formatSetLen < len(fullMonth) {
p.formatSetLen = len(fullMonth) p.formatSetLen = len(fullMonth)
} else if p.formatSetLen < 0 { } else if p.formatSetLen < 0 {
p.formatSetLen = 0 p.formatSetLen = 0
} }

View File

@ -17,6 +17,8 @@ func TestOne(t *testing.T) {
type dateTest struct { type dateTest struct {
in, out, loc, zname string in, out, loc, zname string
err bool err bool
preferDayFirst bool
retryAmbiguous bool
} }
var testInputs = []dateTest{ var testInputs = []dateTest{
@ -525,6 +527,32 @@ var testInputs = []dateTest{
{in: "03.31.2014", out: "2014-03-31 00:00:00 +0000 UTC"}, {in: "03.31.2014", out: "2014-03-31 00:00:00 +0000 UTC"},
// mm.dd.yy // mm.dd.yy
{in: "08.21.71", out: "1971-08-21 00:00:00 +0000 UTC"}, {in: "08.21.71", out: "1971-08-21 00:00:00 +0000 UTC"},
// dd.mm.yyyy (see https://github.com/araddon/dateparse/issues/129 and https://github.com/araddon/dateparse/issues/28 and https://github.com/araddon/dateparse/pull/133)
{in: "23.07.1938", out: "1938-07-23 00:00:00 +0000 UTC", retryAmbiguous: true},
{in: "23.07.1938", out: "1938-07-23 00:00:00 +0000 UTC", preferDayFirst: true},
{in: "23/07/1938", out: "1938-07-23 00:00:00 +0000 UTC", retryAmbiguous: true},
{in: "23/07/1938", out: "1938-07-23 00:00:00 +0000 UTC", preferDayFirst: true},
{in: "31/3/2014", out: "2014-03-31 00:00:00 +0000 UTC", retryAmbiguous: true},
{in: "31/3/2014", out: "2014-03-31 00:00:00 +0000 UTC", preferDayFirst: true},
{in: "31/03/2014", out: "2014-03-31 00:00:00 +0000 UTC", retryAmbiguous: true},
{in: "31/03/2014", out: "2014-03-31 00:00:00 +0000 UTC", preferDayFirst: true},
{in: "21/08/71", out: "1971-08-21 00:00:00 +0000 UTC", retryAmbiguous: true},
{in: "21/08/71", out: "1971-08-21 00:00:00 +0000 UTC", preferDayFirst: true},
{in: "1/8/71", out: "1971-01-08 00:00:00 +0000 UTC", preferDayFirst: false},
{in: "1/8/71", out: "1971-08-01 00:00:00 +0000 UTC", preferDayFirst: true},
{in: "8/4/2014 22:05", out: "2014-08-04 22:05:00 +0000 UTC", preferDayFirst: false},
{in: "8/4/2014 22:05", out: "2014-04-08 22:05:00 +0000 UTC", preferDayFirst: true},
{in: "08/04/2014 22:05", out: "2014-08-04 22:05:00 +0000 UTC", preferDayFirst: false},
{in: "08/04/2014 22:05", out: "2014-04-08 22:05:00 +0000 UTC", preferDayFirst: true},
{in: "2/04/2014 03:00:51", out: "2014-02-04 03:00:51 +0000 UTC", preferDayFirst: false},
{in: "2/04/2014 03:00:51", out: "2014-04-02 03:00:51 +0000 UTC", preferDayFirst: true},
{in: "19/03/2012 10:11:59", out: "2012-03-19 10:11:59 +0000 UTC", retryAmbiguous: true},
{in: "19/03/2012 10:11:59", out: "2012-03-19 10:11:59 +0000 UTC", preferDayFirst: true},
{in: "19/03/2012 10:11:59.3186369", out: "2012-03-19 10:11:59.3186369 +0000 UTC", retryAmbiguous: true},
{in: "19/03/2012 10:11:59.3186369", out: "2012-03-19 10:11:59.3186369 +0000 UTC", preferDayFirst: true},
// https://github.com/araddon/dateparse/issues/105
{in: "20/5/2006 19:51:45", out: "2006-05-20 19:51:45 +0000 UTC", retryAmbiguous: true},
{in: "20/5/2006 19:51:45", out: "2006-05-20 19:51:45 +0000 UTC", preferDayFirst: true},
// yyyymmdd and similar // yyyymmdd and similar
{in: "2014", out: "2014-01-01 00:00:00 +0000 UTC"}, {in: "2014", out: "2014-01-01 00:00:00 +0000 UTC"},
{in: "20140601", out: "2014-06-01 00:00:00 +0000 UTC"}, {in: "20140601", out: "2014-06-01 00:00:00 +0000 UTC"},
@ -573,12 +601,13 @@ func TestParse(t *testing.T) {
t.Fatalf("error: %s", r) t.Fatalf("error: %s", r)
} }
}() }()
parserOptions := []ParserOption{PreferMonthFirst(!th.preferDayFirst), RetryAmbiguousDateWithSwap(th.retryAmbiguous)}
if len(th.loc) > 0 { if len(th.loc) > 0 {
loc, err := time.LoadLocation(th.loc) loc, err := time.LoadLocation(th.loc)
if err != nil { if err != nil {
t.Fatalf("Expected to load location %q but got %v", th.loc, err) t.Fatalf("Expected to load location %q but got %v", th.loc, err)
} }
ts, err = ParseIn(th.in, loc) ts, err = ParseIn(th.in, loc, parserOptions...)
if err != nil { if err != nil {
t.Fatalf("expected to parse %q but got %v", th.in, err) t.Fatalf("expected to parse %q but got %v", th.in, err)
} }
@ -592,7 +621,7 @@ func TestParse(t *testing.T) {
assert.Equal(t, th.zname, gotZone, "Expected zname %q but got %q from %q", th.zname, gotZone, th.in) assert.Equal(t, th.zname, gotZone, "Expected zname %q but got %q from %q", th.zname, gotZone, th.in)
} }
} else { } else {
ts = MustParse(th.in) ts = MustParse(th.in, parserOptions...)
got := fmt.Sprintf("%v", ts.In(time.UTC)) got := fmt.Sprintf("%v", ts.In(time.UTC))
assert.Equal(t, th.out, got, "Expected %q but got %q from %q", th.out, got, th.in) assert.Equal(t, th.out, got, "Expected %q but got %q from %q", th.out, got, th.in)
if th.out != got { if th.out != got {