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srt_test.go
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package subtitles
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestParseTime(t *testing.T) {
t1, _ := parseTime("18:40:22.110")
t2, _ := parseTime("18:40:22,110")
t3, _ := parseTime("18:40:22:110")
t4, _ := parseTime("18:40:22")
t5, _ := parseTime("00:00:0,500")
t6, _ := parseTime("00:00:2,00")
t7, _ := parseTime("00:14:52.12")
t8, _ := parseTime("40:22")
assert.Equal(t, makeTime(18, 40, 22, 110), t1)
assert.Equal(t, makeTime(18, 40, 22, 110), t2)
assert.Equal(t, makeTime(18, 40, 22, 110), t3)
assert.Equal(t, makeTime(18, 40, 22, 0), t4)
assert.Equal(t, makeTime(0, 0, 0, 500), t5)
assert.Equal(t, makeTime(0, 0, 2, 0), t6)
assert.Equal(t, makeTime(0, 14, 52, 12), t7)
assert.Equal(t, makeTime(0, 40, 22, 0), t8)
}
func TestNewFromSRT(t *testing.T) {
in := "1\n" +
"00:00:04,630 --> 00:00:06,018\n" +
"Go ninja!\n" +
"\n" +
"2\n" +
"00:00:10,000 --> 00:00:11,000\n" +
"Subtitles By MrCool\n" +
"\n" +
"\n" + // NOTE make sure we allow slightly sloppy input
"3\n" +
"00:01:09,630 --> 00:01:11,005\n" +
"No ninja!\n"
expected := Subtitle{[]Caption{{
1,
makeTime(0, 0, 4, 630),
makeTime(0, 0, 6, 18),
[]string{"Go ninja!"},
}, {
2,
makeTime(0, 0, 10, 0),
makeTime(0, 0, 11, 0),
[]string{"Subtitles By MrCool"},
}, {
3,
makeTime(0, 1, 9, 630),
makeTime(0, 1, 11, 005),
[]string{"No ninja!"},
}}}
res, err := NewFromSRT(in)
assert.Equal(t, nil, err)
assert.Equal(t, expected, res)
}
func TestNewFromSRTWithMacLinebreaks(t *testing.T) {
in := "1\r" +
"00:00:04,630 --> 00:00:06,018\r" +
"Go ninja!\r" +
"\r" +
"3\r" +
"00:01:09,630 --> 00:01:11,005\r" +
"No ninja!\r"
expected := Subtitle{[]Caption{{
1,
makeTime(0, 0, 4, 630),
makeTime(0, 0, 6, 18),
[]string{"Go ninja!"},
}, {
2,
makeTime(0, 1, 9, 630),
makeTime(0, 1, 11, 005),
[]string{"No ninja!"},
}}}
utf8 := ConvertToUTF8([]byte(in))
res, err := NewFromSRT(utf8)
assert.Equal(t, nil, err)
assert.Equal(t, expected, res)
}
func TestNewFromSRTSkipEmpty(t *testing.T) {
in := "1\n" +
"00:00:04,630 --> 00:00:06,018\n" +
"Go ninja!\n" +
"\n" +
"2\n" +
"00:00:10,000 --> 00:00:11,000\n" +
"\n" +
"\n" +
"3\n" +
"00:01:09,630 --> 00:01:11,005\n" +
"No ninja!\n"
expected := Subtitle{[]Caption{{
1,
makeTime(0, 0, 4, 630),
makeTime(0, 0, 6, 18),
[]string{"Go ninja!"},
}, {
2,
makeTime(0, 1, 9, 630),
makeTime(0, 1, 11, 005),
[]string{"No ninja!"},
}}}
res, err := NewFromSRT(in)
assert.Equal(t, nil, err)
assert.Equal(t, expected, res)
}
func TestNewFromSRTCrlf(t *testing.T) {
in := "1\n" +
"00:00:04,630 --> 00:00:06,018\r\n" +
"Go ninja!\r\n" +
"\r\n"
expected := Subtitle{[]Caption{{
1,
makeTime(0, 0, 4, 630),
makeTime(0, 0, 6, 18),
[]string{"Go ninja!"},
}}}
res, err := NewFromSRT(in)
assert.Equal(t, nil, err)
assert.Equal(t, expected, res)
}
func TestParseExtraLineBreak(t *testing.T) {
in := "1\n" +
"00:00:04,630 --> 00:00:06,018\r\n" +
// NOTE: should not be line break here, but some files has,
// so lets make sure we handle it
"\r\n" +
"Go ninja!\r\n" +
"\r\n"
expected := Subtitle{[]Caption{{
1,
makeTime(0, 0, 4, 630),
makeTime(0, 0, 6, 18),
[]string{"Go ninja!"},
}}}
res, err := NewFromSRT(in)
assert.Equal(t, nil, err)
assert.Equal(t, expected, res)
}
func TestStripSpaces(t *testing.T) {
in := "00:14:32.00 --> 00:14:39,284\r\n"
expected := "00:14:32.00 --> 00:14:39,284\r\n"
out := stripSpaces(in)
assert.Equal(t, expected, out)
}
func TestParseWierdTimestamp(t *testing.T) {
in := "1\r\n" +
"00:14:52.00 --> 00:14:57,500\r\n" +
"Go ninja!\r\n" +
"2\r\n" +
"00:14:32.00 --> 00:14:39,284\r\n" +
"Go ninja!\r\n" +
"3\r\n" +
"00:14:39,401 --> 00:14:57,500\r\n" +
"Go ninja!\r\n"
expected := Subtitle{[]Caption{{
1,
makeTime(0, 14, 52, 0),
makeTime(0, 14, 57, 500),
[]string{"Go ninja!"},
}, {
2,
makeTime(0, 14, 32, 0),
makeTime(0, 14, 39, 284),
[]string{"Go ninja!"},
}, {
3,
makeTime(0, 14, 39, 401),
makeTime(0, 14, 57, 500),
[]string{"Go ninja!"},
}}}
res, err := NewFromSRT(in)
assert.Equal(t, nil, err)
assert.Equal(t, expected, res)
}
func TestAsSRT(t *testing.T) {
in := Subtitle{[]Caption{{
1,
makeTime(0, 0, 4, 630),
makeTime(0, 0, 6, 18),
[]string{"Go ninja!"},
}, {
2,
makeTime(0, 1, 9, 630),
makeTime(0, 1, 11, 005),
[]string{"No ninja!"},
}}}
expected := "1\n" +
"00:00:04,630 --> 00:00:06,018\n" +
"Go ninja!\n" +
"\n" +
"2\n" +
"00:01:09,630 --> 00:01:11,005\n" +
"No ninja!\n\n"
assert.Equal(t, expected, in.AsSRT())
}
func TestParseLatin1Srt(t *testing.T) {
in := "1\r\n" +
"00:14:52.00 --> 00:14:57,500\r\n" +
"Hall\xe5 ninja!\r\n"
expected := Subtitle{[]Caption{{
1,
makeTime(0, 14, 52, 0),
makeTime(0, 14, 57, 500),
[]string{"Hallå ninja!"},
}}}
utf8 := ConvertToUTF8([]byte(in))
res, err := NewFromSRT(utf8)
assert.Equal(t, nil, err)
assert.Equal(t, expected, res)
}
func TestParseUTF16BESrt(t *testing.T) {
in := []byte{
0xfe, 0xff, // UTF16 BE BOM
0, '1',
0, '\r', 0, '\n',
0, '0', 0, '0', 0, ':', 0, '0', 0, '0', 0, ':',
0, '0', 0, '0', 0, ',', 0, '0', 0, '0', 0, '0',
0, ' ', 0, '-', 0, '-', 0, '>', 0, ' ',
0, '0', 0, '0', 0, ':', 0, '0', 0, '0', 0, ':',
0, '0', 0, '0', 0, ',', 0, '0', 0, '0', 0, '1',
0, '\r', 0, '\n',
0, 'T', 0, 'e', 0, 's', 0, 't',
0, '\r', 0, '\n',
0, '\r', 0, '\n',
}
expected := Subtitle{[]Caption{{
1,
makeTime(0, 0, 0, 0),
makeTime(0, 0, 0, 1),
[]string{"Test"},
}}}
utf8 := ConvertToUTF8(in)
res, err := NewFromSRT(utf8)
assert.Equal(t, nil, err)
assert.Equal(t, expected, res)
}
func TestParseUTF16LESrt(t *testing.T) {
in := []byte{
0xff, 0xfe, // UTF16 LE BOM
'1', 0,
'\r', 0, '\n', 0,
'0', 0, '0', 0, ':', 0, '0', 0, '0', 0, ':', 0,
'0', 0, '0', 0, ',', 0, '0', 0, '0', 0, '0', 0,
' ', 0, '-', 0, '-', 0, '>', 0, ' ', 0,
'0', 0, '0', 0, ':', 0, '0', 0, '0', 0, ':', 0,
'0', 0, '0', 0, ',', 0, '0', 0, '0', 0, '1', 0,
'\r', 0, '\n', 0,
'T', 0, 'e', 0, 's', 0, 't', 0,
'\r', 0, '\n', 0,
'\r', 0, '\n', 0,
}
expected := Subtitle{[]Caption{{
1,
makeTime(0, 0, 0, 0),
makeTime(0, 0, 0, 1),
[]string{"Test"},
}}}
utf8 := ConvertToUTF8(in)
res, err := NewFromSRT(utf8)
assert.Equal(t, nil, err)
assert.Equal(t, expected, res)
}
func TestParseUTF8BomSrt(t *testing.T) {
in := []byte{
0xef, 0xbb, 0xbf, // UTF8 BOM
'1',
'\r', '\n',
'0', '0', ':', '0', '0', ':',
'0', '0', ',', '0', '0', '0',
' ', '-', '-', '>', ' ',
'0', '0', ':', '0', '0', ':',
'0', '0', ',', '0', '0', '1',
'\r', '\n',
'T', 'e', 's', 't',
'\r', '\n',
'\r', '\n',
}
expected := Subtitle{[]Caption{{
1,
makeTime(0, 0, 0, 0),
makeTime(0, 0, 0, 1),
[]string{"Test"},
}}}
utf8 := ConvertToUTF8(in)
res, err := NewFromSRT(utf8)
assert.Equal(t, nil, err)
assert.Equal(t, expected, res)
}