File size: 5,018 Bytes
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import (
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestParseRFC9557(t *testing.T) {
tests := []struct {
name string
input string
wantTime time.Time
wantErr bool
}{
{
name: "RFC9557 with America/New_York summer time",
input: "2021-07-01T12:34:56-04:00[America/New_York]",
wantTime: time.Date(2021, 7, 1, 12, 34, 56, 0, MustLoadLocation(t, "America/New_York")),
wantErr: false,
},
{
name: "RFC9557 with America/New_York winter time",
input: "2021-12-01T12:34:56-05:00[America/New_York]",
wantTime: time.Date(2021, 12, 1, 12, 34, 56, 0, MustLoadLocation(t, "America/New_York")),
wantErr: false,
},
{
name: "RFC9557 with Europe/Berlin",
input: "2021-07-01T18:34:56+02:00[Europe/Berlin]",
wantTime: time.Date(2021, 7, 1, 18, 34, 56, 0, MustLoadLocation(t, "Europe/Berlin")),
wantErr: false,
},
{
name: "RFC9557 with Asia/Tokyo",
input: "2021-07-01T21:34:56+09:00[Asia/Tokyo]",
wantTime: time.Date(2021, 7, 1, 21, 34, 56, 0, MustLoadLocation(t, "Asia/Tokyo")),
wantErr: false,
},
{
name: "RFC9557 with UTC timezone",
input: "2021-07-01T16:34:56Z[UTC]",
wantTime: time.Date(2021, 7, 1, 16, 34, 56, 0, time.UTC),
wantErr: false,
},
{
name: "RFC9557 with fractional seconds",
input: "2021-07-01T12:34:56.123456789-04:00[America/New_York]",
wantTime: time.Date(2021, 7, 1, 12, 34, 56, 123456789, MustLoadLocation(t, "America/New_York")),
wantErr: false,
},
{
name: "standard RFC3339 without timezone suffix",
input: "2021-07-01T16:34:56Z",
wantTime: time.Date(2021, 7, 1, 16, 34, 56, 0, time.UTC),
wantErr: false,
},
{
name: "standard RFC3339 with offset, no suffix",
input: "2021-07-01T12:34:56-04:00",
wantTime: time.Date(2021, 7, 1, 12, 34, 56, 0, time.FixedZone("", -4*3600)),
wantErr: false,
},
{
name: "ISO8601 with fractional seconds",
input: "2156-10-05T18:36:46.924Z",
wantTime: time.Date(2156, 10, 5, 18, 36, 46, 924000000, time.UTC),
wantErr: false,
},
{
name: "ISO8601 format without timezone suffix",
input: "2021-07-01T16:34:56Z",
wantTime: time.Date(2021, 7, 1, 16, 34, 56, 0, time.UTC),
wantErr: false,
},
{
name: "ISO8601 with milliseconds",
input: "2021-07-01T16:34:56.123Z",
wantTime: time.Date(2021, 7, 1, 16, 34, 56, 123000000, time.UTC),
wantErr: false,
},
{
name: "ISO8601 with microseconds",
input: "2021-07-01T16:34:56.123456Z",
wantTime: time.Date(2021, 7, 1, 16, 34, 56, 123456000, time.UTC),
wantErr: false,
},
// Error cases
{
name: "invalid timezone in suffix",
input: "2021-07-01T12:34:56-04:00[Invalid/Timezone]",
wantTime: time.Time{},
wantErr: true,
},
{
name: "malformed timestamp",
input: "invalid-timestamp[America/New_York]",
wantTime: time.Time{},
wantErr: true,
},
{
name: "missing closing bracket",
input: "2021-07-01T12:34:56-04:00[America/New_York",
wantTime: time.Time{},
wantErr: true,
},
{
name: "missing opening bracket",
input: "2021-07-01T12:34:56-04:00America/New_York]",
wantTime: time.Time{},
wantErr: true,
},
{
name: "empty timezone suffix",
input: "2021-07-01T12:34:56-04:00[]",
wantTime: time.Time{},
wantErr: true,
},
{
name: "brackets not at end",
input: "2021-07-01T12:34:56-04:00[America/New_York]extra",
wantTime: time.Time{},
wantErr: true,
},
{
name: "nested brackets - malformed",
input: "2021-07-01T12:34:56-04:00[America/[nested]New_York]",
wantTime: time.Time{},
wantErr: true,
},
{
name: "multiple bracket pairs",
input: "2021-07-01T12:34:56-04:00[first][America/New_York]",
wantTime: time.Time{},
wantErr: true,
},
{
name: "only opening bracket",
input: "2021-07-01T12:34:56-04:00[America/New_York",
wantTime: time.Time{},
wantErr: true,
},
{
name: "only closing bracket",
input: "2021-07-01T12:34:56-04:00America/New_York]",
wantTime: time.Time{},
wantErr: true,
},
{
name: "empty string",
input: "",
wantTime: time.Time{},
wantErr: true,
},
{
name: "very short timestamp with brackets",
input: "2021[UTC]",
wantTime: time.Time{},
wantErr: true,
},
{
name: "timezone with special characters",
input: "2021-07-01T12:34:56-04:00[America/New_York-Test]",
wantTime: time.Time{},
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := Parse(tt.input)
if tt.wantErr {
assert.Error(t, err, "expected error for input: %s", tt.input)
return
}
assert.NoError(t, err, "expected no error for input: %s, got: %v", tt.input, err)
assert.True(t, got.Equal(tt.wantTime), "parsed time mismatch: got %v, want %v", got, tt.wantTime)
})
}
}
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