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Handle more date formats

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This commit is contained in:
Frédéric Guillot 2017-12-22 17:59:28 -08:00
parent e4b4beabf0
commit e7afec7eca
2 changed files with 63 additions and 2 deletions
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9
reader/date/parser.go
View file

@ -5,6 +5,7 @@
package date
import (
"errors"
"fmt"
"strings"
"time"
@ -45,6 +46,8 @@ var dateFormats = []string{
"Monday, 02 January 2006 15:04:05 MST",
"Monday, 02 January 2006 15:04:05 -0700",
"Monday, 02 January 2006 15:04:05",
"Monday, January 02, 2006 - 3:04pm",
"Monday, January 2, 2006 - 3:04pm",
"Mon, 2 January 2006 15:04 MST",
"Mon, 2 January 2006, 15:04 -0700",
"Mon, 2 January 2006, 15:04:05 MST",
@ -100,6 +103,7 @@ var dateFormats = []string{
"Mon, 02 Jan 2006 15:04:05",
"Mon, 02 Jan 2006",
"Mon, 02 Jan 06 15:04:05 MST",
"Mon, 02 Jan 2006 3:04 PM MST",
"January 2, 2006 3:04 PM",
"January 2, 2006, 3:04 p.m.",
"January 2, 2006 15:04:05 MST",
@ -125,6 +129,7 @@ var dateFormats = []string{
"2 Jan 2006 15:04:05 MST",
"2 Jan 2006 15:04:05 -0700",
"2 Jan 2006",
"2 Jan 2006 15:04 MST",
"2.1.2006 15:04:05",
"2/1/2006",
"2-1-2006",
@ -189,7 +194,7 @@ var dateFormats = []string{
func Parse(ds string) (t time.Time, err error) {
d := strings.TrimSpace(ds)
if d == "" {
return t, fmt.Errorf("Date string is empty")
return t, errors.New("date parser: empty value")
}
for _, f := range dateFormats {
@ -198,6 +203,6 @@ func Parse(ds string) (t time.Time, err error) {
}
}
err = fmt.Errorf("Failed to parse date: %s", ds)
err = fmt.Errorf(`date parser: failed to parse date "%s"`, ds)
return
}

56
reader/date/parser_test.go Normal file
View file

@ -0,0 +1,56 @@
// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package date
import "testing"
func TestParseEmptyDate(t *testing.T) {
if _, err := Parse(" "); err == nil {
t.Fatalf(`Empty dates should return an error`)
}
}
func TestParseInvalidDate(t *testing.T) {
if _, err := Parse("invalid"); err == nil {
t.Fatalf(`Invalid dates should return an error`)
}
}
func TestParseAtomDate(t *testing.T) {
date, err := Parse("2017-12-22T22:09:49+00:00")
if err != nil {
t.Fatalf(`Atom dates should be parsed correctly`)
}
if date.Unix() != 1513980589 {
t.Fatal(`Invalid date parsed`)
}
}
func TestParseRSSDate(t *testing.T) {
date, err := Parse("Tue, 03 Jun 2003 09:39:21 GMT")
if err != nil {
t.Fatalf(`RSS dates should be parsed correctly`)
}
if date.Unix() != 1054633161 {
t.Fatal(`Invalid date parsed`)
}
}
func TestParseWeirdDateFormat(t *testing.T) {
dates := []string{
"Sun, 17 Dec 2017 1:55 PM EST",
"9 Dec 2016 12:00 GMT",
"Friday, December 22, 2017 - 3:09pm",
"Friday, December 8, 2017 - 3:07pm",
}
for _, date := range dates {
if _, err := Parse(date); err != nil {
t.Fatalf(`Unable to parse date: "%s"`, date)
}
}
}