package strftime import ( "net/http" "testing" "time" ) var reference = time.Date(2009, 8, 7, 6, 5, 4, 300000000, time.UTC) var timeTests = []struct { format string layout string uts35 string time string }{ // Date and time formats {"%c", time.ANSIC, "E MMM d HH:mm:ss yyyy", "Fri Aug 7 06:05:04 2009"}, {"%+", time.UnixDate, "E MMM d HH:mm:ss zzz yyyy", "Fri Aug 7 06:05:04 UTC 2009"}, {"%FT%TZ", time.RFC3339[:20], "yyyy-MM-dd'T'HH:mm:ss'Z'", "2009-08-07T06:05:04Z"}, {"%a %b %e %T %Y", time.ANSIC, "", "Fri Aug 7 06:05:04 2009"}, {"%a %b %e %T %Z %Y", time.UnixDate, "", "Fri Aug 7 06:05:04 UTC 2009"}, {"%a %b %d %T %z %Y", time.RubyDate, "E MMM dd HH:mm:ss Z yyyy", "Fri Aug 07 06:05:04 +0000 2009"}, {"%a, %d %b %Y %T %Z", time.RFC1123, "E, dd MMM yyyy HH:mm:ss zzz", "Fri, 07 Aug 2009 06:05:04 UTC"}, {"%a, %d %b %Y %T GMT", http.TimeFormat, "E, dd MMM yyyy HH:mm:ss 'GMT'", "Fri, 07 Aug 2009 06:05:04 GMT"}, {"%Y-%m-%dT%H:%M:%SZ", time.RFC3339[:20], "yyyy-MM-dd'T'HH:mm:ss'Z'", "2009-08-07T06:05:04Z"}, // Date formats {"%v", "_2-Jan-2006", "d-MMM-yyyy", " 7-Aug-2009"}, {"%F", "2006-01-02", "yyyy-MM-dd", "2009-08-07"}, {"%D", "01/02/06", "MM/dd/yy", "08/07/09"}, {"%x", "01/02/06", "MM/dd/yy", "08/07/09"}, {"%e-%b-%Y", "_2-Jan-2006", "", " 7-Aug-2009"}, {"%Y-%m-%d", "2006-01-02", "yyyy-MM-dd", "2009-08-07"}, {"%m/%d/%y", "01/02/06", "MM/dd/yy", "08/07/09"}, // Time formats {"%R", "15:04", "HH:mm", "06:05"}, {"%T", "15:04:05", "HH:mm:ss", "06:05:04"}, {"%X", "15:04:05", "HH:mm:ss", "06:05:04"}, {"%r", "03:04:05 PM", "hh:mm:ss a", "06:05:04 AM"}, {"%H:%M", "15:04", "HH:mm", "06:05"}, {"%H:%M:%S", "15:04:05", "HH:mm:ss", "06:05:04"}, {"%I:%M:%S %p", "03:04:05 PM", "hh:mm:ss a", "06:05:04 AM"}, // Misc {"%g", "", "YY", "09"}, {"%V/%G", "", "ww/YYYY", "32/2009"}, {"%Cth Century Fox", "", "", "20th Century Fox"}, {"%-I o'clock", "3 o'clock", "h 'o''clock'", "6 o'clock"}, {"%-A, the %uth day of the week", "", "", "Friday, the 5th day of the week"}, {"%Nns since %T", "", "SSSSSSSSS'ns since 'HH:mm:ss", "300000000ns since 06:05:04"}, {"%-S.%Ls since %R", "5.000s since 15:04", "s.SSS's since 'HH:mm", "4.300s since 06:05"}, // Parsing {"", "", "", ""}, {"%", "%", "%", "%"}, {"%-", "%-", "%-", "%-"}, {"%n", "\n", "\n", "\n"}, {"%t", "\t", "\t", "\t"}, {"%q", "", "", "%q"}, {"%-q", "", "", "%-q"}, {"'", "'", "''", "'"}, {"100%", "", "100%", "100%"}, {"Monday", "", "'Monday'", "Monday"}, {"January", "", "'January'", "January"}, {"MST", "", "'MST'", "MST"}, {"AM", "AM", "'AM'", "AM"}, {"am", "am", "'am'", "am"}, {"PM", "", "'PM'", "PM"}, {"pm", "", "'pm'", "pm"}, } func TestFormat(t *testing.T) { for _, test := range timeTests { if got := Format(test.format, reference); got != test.time { t.Errorf("Format(%q) = %q, want %q", test.format, got, test.time) } } } func TestLayout(t *testing.T) { for _, test := range timeTests { if got, err := Layout(test.format); err != nil && test.layout != "" { t.Errorf("Layout(%q) = %v", test.format, err) } else if got != test.layout { t.Errorf("Layout(%q) = %q, want %q", test.format, got, test.layout) } } } func TestUTS35(t *testing.T) { for _, test := range timeTests { if got, err := UTS35(test.format); err != nil && test.uts35 != "" { t.Errorf("UTS35(%q) = %v", test.format, err) } else if got != test.uts35 { t.Errorf("UTS35(%q) = %q, want %q", test.format, got, test.uts35) } } } func TestFormat_ruby(t *testing.T) { // https://ruby-doc.org/stdlib-2.6.1/libdoc/date/rdoc/DateTime.html#method-i-strftime reference := time.Date(2007, 11, 19, 8, 37, 48, 0, time.FixedZone("", -6*3600)) tests := []struct { format string time string }{ {"Printed on %m/%d/%Y", "Printed on 11/19/2007"}, {"at %I:%M%p", "at 08:37AM"}, // Various ISO 8601 formats: {"%Y%m%d", "20071119"}, // Calendar date (basic) {"%F", "2007-11-19"}, // Calendar date (extended) {"%Y-%m", "2007-11"}, // Calendar date, reduced accuracy, specific month {"%Y", "2007"}, // Calendar date, reduced accuracy, specific year {"%C", "20"}, // Calendar date, reduced accuracy, specific century {"%Y%j", "2007323"}, // Ordinal date (basic) {"%Y-%j", "2007-323"}, // Ordinal date (extended) {"%GW%V%u", "2007W471"}, // Week date (basic) {"%G-W%V-%u", "2007-W47-1"}, // Week date (extended) {"%GW%V", "2007W47"}, // Week date, reduced accuracy, specific week (basic) {"%G-W%V", "2007-W47"}, // Week date, reduced accuracy, specific week (extended) {"%H%M%S", "083748"}, // Local time (basic) {"%T", "08:37:48"}, // Local time (extended) {"%H%M", "0837"}, // Local time, reduced accuracy, specific minute (basic) {"%H:%M", "08:37"}, // Local time, reduced accuracy, specific minute (extended) {"%H", "08"}, // Local time, reduced accuracy, specific hour {"%H%M%S,%L", "083748,000"}, // Local time with decimal fraction, comma as decimal sign (basic) {"%T,%L", "08:37:48,000"}, // Local time with decimal fraction, comma as decimal sign (extended) {"%H%M%S.%L", "083748.000"}, // Local time with decimal fraction, full stop as decimal sign (basic) {"%T.%L", "08:37:48.000"}, // Local time with decimal fraction, full stop as decimal sign (extended) {"%H%M%S%z", "083748-0600"}, // Local time and the difference from UTC (basic) {"%Y%m%dT%H%M%S%z", "20071119T083748-0600"}, // Date and time of day for calendar date (basic) {"%Y%jT%H%M%S%z", "2007323T083748-0600"}, // Date and time of day for ordinal date (basic) {"%GW%V%uT%H%M%S%z", "2007W471T083748-0600"}, // Date and time of day for week date (basic) {"%Y%m%dT%H%M", "20071119T0837"}, // Calendar date and local time (basic) {"%FT%R", "2007-11-19T08:37"}, // Calendar date and local time (extended) {"%Y%jT%H%MZ", "2007323T0837Z"}, // Ordinal date and UTC of day (basic) {"%Y-%jT%RZ", "2007-323T08:37Z"}, // Ordinal date and UTC of day (extended) {"%GW%V%uT%H%M%z", "2007W471T0837-0600"}, // Week date and local time and difference from UTC (basic) // {"%T%:z", "08:37:48-06:00"}, // Local time and the difference from UTC (extended) // {"%FT%T%:z", "2007-11-19T08:37:48-06:00"}, // Date and time of day for calendar date (extended) // {"%Y-%jT%T%:z", "2007-323T08:37:48-06:00"}, // Date and time of day for ordinal date (extended) // {"%G-W%V-%uT%T%:z", "2007-W47-1T08:37:48-06:00"}, // Date and time of day for week date (extended) // {"%G-W%V-%uT%R%:z", "2007-W47-1T08:37-06:00"}, // Week date and local time and difference from } for _, test := range tests { if got := Format(test.format, reference); got != test.time { t.Errorf("Format(%q) = %q, want %q", test.format, got, test.time) } } } func TestFormat_tebeka(t *testing.T) { // github.com/tebeka/strftime // github.com/hhkbp2/go-strftime reference := time.Date(2009, time.November, 10, 23, 1, 2, 3, time.UTC) tests := []struct { format string time string }{ {"%a", "Tue"}, {"%A", "Tuesday"}, {"%b", "Nov"}, {"%B", "November"}, {"%c", "Tue Nov 10 23:01:02 2009"}, // we use a different format {"%d", "10"}, {"%H", "23"}, {"%I", "11"}, {"%j", "314"}, {"%m", "11"}, {"%M", "01"}, {"%p", "PM"}, {"%S", "02"}, {"%U", "45"}, {"%w", "2"}, {"%W", "45"}, {"%x", "11/10/09"}, {"%X", "23:01:02"}, {"%y", "09"}, {"%Y", "2009"}, {"%Z", "UTC"}, {"%L", "000"}, // we use a different specifier {"%f", "000000"}, // we use a different specifier {"%N", "000000003"}, // we use a different specifier // Escape {"%%%Y", "%2009"}, {"%3%%", "%3%"}, {"%3%L", "%3000"}, // we use a different specifier {"%3xy%L", "%3xy000"}, // we use a different specifier // Embedded {"/path/%Y/%m/report", "/path/2009/11/report"}, // Empty {"", ""}, } for _, test := range tests { if got := Format(test.format, reference); got != test.time { t.Errorf("Format(%q) = %q, want %q", test.format, got, test.time) } } } func TestFormat_fastly(t *testing.T) { // github.com/fastly/go-utils/strftime timezone, err := time.LoadLocation("MST") if err != nil { t.Skip("could not load timezone:", err) } reference := time.Unix(1136239445, 0).In(timezone) tests := []struct { format string time string }{ {"", ``}, // invalid formats {"%", `%`}, {"%^", `%^`}, {"%^ ", `%^ `}, {"%^ x", `%^ x`}, {"x%^ x", `x%^ x`}, // supported locale-invariant formats {"%a", `Mon`}, {"%A", `Monday`}, {"%b", `Jan`}, {"%B", `January`}, {"%C", `20`}, {"%d", `02`}, {"%D", `01/02/06`}, {"%e", ` 2`}, {"%F", `2006-01-02`}, {"%G", `2006`}, {"%g", `06`}, {"%h", `Jan`}, {"%H", `15`}, {"%I", `03`}, {"%j", `002`}, {"%k", `15`}, {"%l", ` 3`}, {"%m", `01`}, {"%M", `04`}, {"%n", "\n"}, {"%p", `PM`}, {"%r", `03:04:05 PM`}, {"%R", `15:04`}, {"%s", `1136239445`}, {"%S", `05`}, {"%t", "\t"}, {"%T", `15:04:05`}, {"%u", `1`}, {"%U", `01`}, {"%V", `01`}, {"%w", `1`}, {"%W", `01`}, {"%x", `01/02/06`}, {"%X", `15:04:05`}, {"%y", `06`}, {"%Y", `2006`}, {"%z", `-0700`}, {"%Z", `MST`}, {"%%", `%`}, // supported locale-varying formats {"%c", `Mon Jan 2 15:04:05 2006`}, {"%E", `%E`}, {"%EF", `%EF`}, {"%O", `%O`}, {"%OF", `%OF`}, {"%P", `pm`}, {"%+", `Mon Jan 2 15:04:05 MST 2006`}, { "%a|%A|%b|%B|%c|%C|%d|%D|%e|%E|%EF|%F|%G|%g|%h|%H|%I|%j|%k|%l|%m|%M|%O|%OF|%p|%P|%r|%R|%s|%S|%t|%T|%u|%U|%V|%w|%W|%x|%X|%y|%Y|%z|%Z|%%", `Mon|Monday|Jan|January|Mon Jan 2 15:04:05 2006|20|02|01/02/06| 2|%E|%EF|2006-01-02|2006|06|Jan|15|03|002|15| 3|01|04|%O|%OF|PM|pm|03:04:05 PM|15:04|1136239445|05| |15:04:05|1|01|01|1|01|01/02/06|15:04:05|06|2006|-0700|MST|%`, }, } for _, test := range tests { if got := Format(test.format, reference); got != test.time { t.Errorf("Format(%q) = %q, want %q", test.format, got, test.time) } } } func TestFormat_jehiah(t *testing.T) { // github.com/jehiah/go-strftime reference := time.Unix(1340244776, 0).UTC() tests := []struct { format string time string }{ {"%Y-%m-%d %H:%M:%S", "2012-06-21 02:12:56"}, {"aaabbb0123456789%Y", "aaabbb01234567892012"}, {"%H:%M:%S.%L", "02:12:56.000"}, // jehiah disagrees with Ruby on this one {"%0%1%%%2", "%0%1%%2"}, } for _, test := range tests { if got := Format(test.format, reference); got != test.time { t.Errorf("Format(%q) = %q, want %q", test.format, got, test.time) } } } func TestFormat_lestrrat(t *testing.T) { // github.com/lestrrat-go/strftime reference := time.Unix(1136239445, 123456789).UTC() tests := []struct { format string time string }{ { `%A %a %B %b %C %c %D %d %e %F %H %h %I %j %k %l %M %m %n %p %R %r %S %T %t %U %u %V %v %W %w %X %x %Y %y %Z %z`, "Monday Mon January Jan 20 Mon Jan 2 22:04:05 2006 01/02/06 02 2 2006-01-02 22 Jan 10 002 22 10 04 01 \n PM 22:04 10:04:05 PM 05 22:04:05 \t 01 1 01 2-Jan-2006 01 1 22:04:05 01/02/06 2006 06 UTC +0000", }, } for _, test := range tests { if got := Format(test.format, reference); got != test.time { t.Errorf("Format(%q) = %q, want %q", test.format, got, test.time) } } }