Make most internal parser functions private

And move parser internals tests into a test submodule of the parser.

Also add actual assertions to various tests so they test something.
This commit is contained in:
Sebastian Dröge 2021-11-18 14:49:50 +02:00
parent 5500166f74
commit a5d8358379
2 changed files with 247 additions and 195 deletions

View file

@ -145,11 +145,11 @@ pub fn parse_playlist(input: &[u8]) -> IResult<&[u8], Playlist> {
/// Err(e) => println!("Error: {:?}", e)
/// }
/// ```
pub fn parse_playlist_res(input: &[u8]) -> Result<Playlist, IResult<&[u8], Playlist>> {
pub fn parse_playlist_res(input: &[u8]) -> Result<Playlist, nom::Err<nom::error::Error<&[u8]>>> {
let parse_result = parse_playlist(input);
match parse_result {
IResult::Ok((_, playlist)) => Ok(playlist),
_ => Err(parse_result),
IResult::Err(err) => Err(err),
}
}
@ -167,11 +167,11 @@ pub fn parse_master_playlist(input: &[u8]) -> IResult<&[u8], MasterPlaylist> {
/// Parse input as a master playlist
pub fn parse_master_playlist_res(
input: &[u8],
) -> Result<MasterPlaylist, IResult<&[u8], MasterPlaylist>> {
) -> Result<MasterPlaylist, nom::Err<nom::error::Error<&[u8]>>> {
let parse_result = parse_master_playlist(input);
match parse_result {
IResult::Ok((_, playlist)) => Ok(playlist),
_ => Err(parse_result),
IResult::Err(err) => Err(err),
}
}
@ -189,11 +189,11 @@ pub fn parse_media_playlist(input: &[u8]) -> IResult<&[u8], MediaPlaylist> {
/// Parse input as a media playlist
pub fn parse_media_playlist_res(
input: &[u8],
) -> Result<MediaPlaylist, IResult<&[u8], MediaPlaylist>> {
) -> Result<MediaPlaylist, nom::Err<nom::error::Error<&[u8]>>> {
let parse_result = parse_media_playlist(input);
match parse_result {
IResult::Ok((_, playlist)) => Ok(playlist),
_ => Err(parse_result),
IResult::Err(err) => Err(err),
}
}
@ -210,7 +210,7 @@ pub fn is_master_playlist(input: &[u8]) -> bool {
/// - None: Unkown tag or empty line
/// - Some(true, tagstring): Line contains a master playlist tag
/// - Some(false, tagstring): Line contains a media playlist tag
pub fn contains_master_tag(input: &[u8]) -> Option<(bool, String)> {
fn contains_master_tag(input: &[u8]) -> Option<(bool, String)> {
let mut is_master_opt = None;
let mut current_input: &[u8] = input;
@ -227,7 +227,7 @@ pub fn contains_master_tag(input: &[u8]) -> Option<(bool, String)> {
is_master_opt
}
pub fn is_master_playlist_tag_line(i: &[u8]) -> IResult<&[u8], Option<(bool, String)>> {
fn is_master_playlist_tag_line(i: &[u8]) -> IResult<&[u8], Option<(bool, String)>> {
map(
tuple((
opt(is_a("\r\n")),
@ -261,7 +261,7 @@ pub fn is_master_playlist_tag_line(i: &[u8]) -> IResult<&[u8], Option<(bool, Str
// Master Playlist Tags
// -----------------------------------------------------------------------------------------------
pub fn parse_master_playlist_tags(i: &[u8]) -> IResult<&[u8], Vec<MasterPlaylistTag>> {
fn parse_master_playlist_tags(i: &[u8]) -> IResult<&[u8], Vec<MasterPlaylistTag>> {
map(
tuple((
many0(complete(map(
@ -280,7 +280,7 @@ pub fn parse_master_playlist_tags(i: &[u8]) -> IResult<&[u8], Vec<MasterPlaylist
/// Contains all the tags required to parse a master playlist.
#[derive(Debug)]
pub enum MasterPlaylistTag {
enum MasterPlaylistTag {
Version(usize),
VariantStream(VariantStream),
AlternativeMedia(AlternativeMedia),
@ -293,7 +293,7 @@ pub enum MasterPlaylistTag {
Unknown(ExtTag),
}
pub fn master_playlist_tag(i: &[u8]) -> IResult<&[u8], MasterPlaylistTag> {
fn master_playlist_tag(i: &[u8]) -> IResult<&[u8], MasterPlaylistTag> {
// Don't accept empty inputs here
peek(take(1usize))(i)?;
@ -314,7 +314,7 @@ pub fn master_playlist_tag(i: &[u8]) -> IResult<&[u8], MasterPlaylistTag> {
))(i)
}
pub fn master_playlist_from_tags(mut tags: Vec<MasterPlaylistTag>) -> MasterPlaylist {
fn master_playlist_from_tags(mut tags: Vec<MasterPlaylistTag>) -> MasterPlaylist {
let mut master_playlist = MasterPlaylist::default();
while let Some(tag) = tags.pop() {
@ -355,34 +355,34 @@ pub fn master_playlist_from_tags(mut tags: Vec<MasterPlaylistTag>) -> MasterPlay
master_playlist
}
pub fn variant_stream_tag(i: &[u8]) -> IResult<&[u8], VariantStream> {
fn variant_stream_tag(i: &[u8]) -> IResult<&[u8], VariantStream> {
map(
pair(tag("#EXT-X-STREAM-INF:"), key_value_pairs),
|(_, attributes)| VariantStream::from_hashmap(attributes, false),
)(i)
}
pub fn variant_i_frame_stream_tag(i: &[u8]) -> IResult<&[u8], VariantStream> {
fn variant_i_frame_stream_tag(i: &[u8]) -> IResult<&[u8], VariantStream> {
map(
pair(tag("#EXT-X-I-FRAME-STREAM-INF:"), key_value_pairs),
|(_, attributes)| VariantStream::from_hashmap(attributes, true),
)(i)
}
pub fn alternative_media_tag(i: &[u8]) -> IResult<&[u8], AlternativeMedia> {
fn alternative_media_tag(i: &[u8]) -> IResult<&[u8], AlternativeMedia> {
map(pair(tag("#EXT-X-MEDIA:"), key_value_pairs), |(_, media)| {
AlternativeMedia::from_hashmap(media)
})(i)
}
pub fn session_data_tag(i: &[u8]) -> IResult<&[u8], SessionData> {
fn session_data_tag(i: &[u8]) -> IResult<&[u8], SessionData> {
map_res(
pair(tag("#EXT-X-SESSION-DATA:"), key_value_pairs),
|(_, session_data)| SessionData::from_hashmap(session_data),
)(i)
}
pub fn session_key_tag(i: &[u8]) -> IResult<&[u8], SessionKey> {
fn session_key_tag(i: &[u8]) -> IResult<&[u8], SessionKey> {
map(pair(tag("#EXT-X-SESSION-KEY:"), key), |(_, key)| {
SessionKey(key)
})(i)
@ -392,7 +392,7 @@ pub fn session_key_tag(i: &[u8]) -> IResult<&[u8], SessionKey> {
// Media Playlist
// -----------------------------------------------------------------------------------------------
pub fn parse_media_playlist_tags(i: &[u8]) -> IResult<&[u8], Vec<MediaPlaylistTag>> {
fn parse_media_playlist_tags(i: &[u8]) -> IResult<&[u8], Vec<MediaPlaylistTag>> {
map(
tuple((
many0(complete(map(
@ -411,7 +411,7 @@ pub fn parse_media_playlist_tags(i: &[u8]) -> IResult<&[u8], Vec<MediaPlaylistTa
/// Contains all the tags required to parse a media playlist.
#[derive(Debug)]
pub enum MediaPlaylistTag {
enum MediaPlaylistTag {
Version(usize),
Segment(SegmentTag),
TargetDuration(f32),
@ -421,11 +421,10 @@ pub enum MediaPlaylistTag {
PlaylistType(MediaPlaylistType),
IFramesOnly,
Start(Start),
Unknown(ExtTag),
IndependentSegments,
}
pub fn media_playlist_tag(i: &[u8]) -> IResult<&[u8], MediaPlaylistTag> {
fn media_playlist_tag(i: &[u8]) -> IResult<&[u8], MediaPlaylistTag> {
// Don't accept empty inputs here
peek(take(1usize))(i)?;
@ -459,7 +458,7 @@ pub fn media_playlist_tag(i: &[u8]) -> IResult<&[u8], MediaPlaylistTag> {
))(i)
}
pub fn media_playlist_from_tags(mut tags: Vec<MediaPlaylistTag>) -> MediaPlaylist {
fn media_playlist_from_tags(mut tags: Vec<MediaPlaylistTag>) -> MediaPlaylist {
let mut media_playlist = MediaPlaylist::default();
let mut next_segment = MediaSegment::empty();
let mut encryption_key = None;
@ -531,13 +530,12 @@ pub fn media_playlist_from_tags(mut tags: Vec<MediaPlaylistTag>) -> MediaPlaylis
}
_ => (),
},
_ => (),
}
}
media_playlist
}
pub fn playlist_type(i: &[u8]) -> IResult<&[u8], MediaPlaylistType> {
fn playlist_type(i: &[u8]) -> IResult<&[u8], MediaPlaylistType> {
map_res(
tuple((map_res(is_not("\r\n"), str::from_utf8), take(1usize))),
|(typ, _)| MediaPlaylistType::from_str(typ),
@ -550,7 +548,7 @@ pub fn playlist_type(i: &[u8]) -> IResult<&[u8], MediaPlaylistType> {
/// All possible media segment tags.
#[derive(Debug)]
pub enum SegmentTag {
enum SegmentTag {
Extinf(f32, Option<String>),
ByteRange(ByteRange),
Discontinuity,
@ -563,7 +561,7 @@ pub enum SegmentTag {
Uri(String),
}
pub fn media_segment_tag(i: &[u8]) -> IResult<&[u8], SegmentTag> {
fn media_segment_tag(i: &[u8]) -> IResult<&[u8], SegmentTag> {
alt((
map(
pair(tag("#EXTINF:"), duration_title_tag),
@ -594,7 +592,7 @@ pub fn media_segment_tag(i: &[u8]) -> IResult<&[u8], SegmentTag> {
))(i)
}
pub fn duration_title_tag(i: &[u8]) -> IResult<&[u8], (f32, Option<String>)> {
fn duration_title_tag(i: &[u8]) -> IResult<&[u8], (f32, Option<String>)> {
map(
tuple((
float,
@ -607,11 +605,11 @@ pub fn duration_title_tag(i: &[u8]) -> IResult<&[u8], (f32, Option<String>)> {
)(i)
}
pub fn key(i: &[u8]) -> IResult<&[u8], Key> {
fn key(i: &[u8]) -> IResult<&[u8], Key> {
map(key_value_pairs, Key::from_hashmap)(i)
}
pub fn extmap(i: &[u8]) -> IResult<&[u8], Map> {
fn extmap(i: &[u8]) -> IResult<&[u8], Map> {
map_res(key_value_pairs, |attrs| -> Result<Map, &str> {
let uri = attrs.get("URI").cloned().unwrap_or_default();
let byte_range = attrs
@ -630,25 +628,25 @@ pub fn extmap(i: &[u8]) -> IResult<&[u8], Map> {
// Basic tags
// -----------------------------------------------------------------------------------------------
pub fn m3u_tag(i: &[u8]) -> IResult<&[u8], ()> {
fn m3u_tag(i: &[u8]) -> IResult<&[u8], ()> {
map(tag("#EXTM3U"), |_| ())(i)
}
pub fn version_tag(i: &[u8]) -> IResult<&[u8], usize> {
fn version_tag(i: &[u8]) -> IResult<&[u8], usize> {
map(
pair(tag("#EXT-X-VERSION:"), map_res(digit1, str::from_utf8)),
|(_, version)| version.parse().unwrap_or_default(),
)(i)
}
pub fn start_tag(i: &[u8]) -> IResult<&[u8], Start> {
fn start_tag(i: &[u8]) -> IResult<&[u8], Start> {
map(
pair(tag("#EXT-X-START:"), key_value_pairs),
|(_, attributes)| Start::from_hashmap(attributes),
)(i)
}
pub fn ext_tag(i: &[u8]) -> IResult<&[u8], ExtTag> {
fn ext_tag(i: &[u8]) -> IResult<&[u8], ExtTag> {
map(
tuple((
tag("#EXT-"),
@ -661,7 +659,7 @@ pub fn ext_tag(i: &[u8]) -> IResult<&[u8], ExtTag> {
)(i)
}
pub fn comment_tag(i: &[u8]) -> IResult<&[u8], String> {
fn comment_tag(i: &[u8]) -> IResult<&[u8], String> {
map(
pair(
preceded(char('#'), map_res(is_not("\r\n"), from_utf8_slice)),
@ -675,7 +673,7 @@ pub fn comment_tag(i: &[u8]) -> IResult<&[u8], String> {
// Util
// -----------------------------------------------------------------------------------------------
pub fn key_value_pairs(i: &[u8]) -> IResult<&[u8], HashMap<String, String>> {
fn key_value_pairs(i: &[u8]) -> IResult<&[u8], HashMap<String, String>> {
fold_many0(
preceded(space0, key_value_pair),
HashMap::new,
@ -686,7 +684,7 @@ pub fn key_value_pairs(i: &[u8]) -> IResult<&[u8], HashMap<String, String>> {
)(i)
}
pub fn key_value_pair(i: &[u8]) -> IResult<&[u8], (String, String)> {
fn key_value_pair(i: &[u8]) -> IResult<&[u8], (String, String)> {
map(
tuple((
peek(none_of("\r\n")),
@ -699,7 +697,7 @@ pub fn key_value_pair(i: &[u8]) -> IResult<&[u8], (String, String)> {
)(i)
}
pub fn quoted(i: &[u8]) -> IResult<&[u8], String> {
fn quoted(i: &[u8]) -> IResult<&[u8], String> {
delimited(
char('\"'),
map_res(is_not("\""), from_utf8_slice),
@ -707,18 +705,18 @@ pub fn quoted(i: &[u8]) -> IResult<&[u8], String> {
)(i)
}
pub fn unquoted(i: &[u8]) -> IResult<&[u8], String> {
fn unquoted(i: &[u8]) -> IResult<&[u8], String> {
map_res(is_not(",\r\n"), from_utf8_slice)(i)
}
pub fn consume_line(i: &[u8]) -> IResult<&[u8], String> {
fn consume_line(i: &[u8]) -> IResult<&[u8], String> {
map(
pair(map_res(not_line_ending, from_utf8_slice), opt(line_ending)),
|(line, _)| line,
)(i)
}
pub fn number(i: &[u8]) -> IResult<&[u8], i32> {
fn number(i: &[u8]) -> IResult<&[u8], i32> {
map_res(take_while1(is_digit), |s| {
// Can't fail because we validated it above already
let s = str::from_utf8(s).unwrap();
@ -726,7 +724,7 @@ pub fn number(i: &[u8]) -> IResult<&[u8], i32> {
})(i)
}
pub fn byte_range_val(i: &[u8]) -> IResult<&[u8], ByteRange> {
fn byte_range_val(i: &[u8]) -> IResult<&[u8], ByteRange> {
map(pair(number, opt(preceded(char('@'), number))), |(n, o)| {
ByteRange {
length: n,
@ -735,7 +733,7 @@ pub fn byte_range_val(i: &[u8]) -> IResult<&[u8], ByteRange> {
})(i)
}
pub fn float(i: &[u8]) -> IResult<&[u8], f32> {
fn float(i: &[u8]) -> IResult<&[u8], f32> {
map_res(
pair(
take_while1(is_digit),
@ -757,6 +755,212 @@ pub fn float(i: &[u8]) -> IResult<&[u8], f32> {
)(i)
}
pub fn from_utf8_slice(s: &[u8]) -> Result<String, string::FromUtf8Error> {
fn from_utf8_slice(s: &[u8]) -> Result<String, string::FromUtf8Error> {
String::from_utf8(s.to_vec())
}
#[cfg(test)]
mod tests {
use super::*;
use nom::AsBytes;
// -----------------------------------------------------------------------------------------------
// Variant
#[test]
fn variant_stream() {
let input = b"#EXT-X-STREAM-INF:BANDWIDTH=300000,CODECS=\"xxx\"\n";
assert_eq!(
variant_stream_tag(input),
Result::Ok((
"\n".as_bytes(),
VariantStream {
is_i_frame: false,
uri: "".into(),
bandwidth: "300000".into(),
average_bandwidth: None,
codecs: Some("xxx".into()),
resolution: None,
frame_rate: None,
hdcp_level: None,
audio: None,
video: None,
subtitles: None,
closed_captions: None,
}
))
);
}
// -----------------------------------------------------------------------------------------------
// Other
#[test]
fn test_key_value_pairs_trailing_equals() {
assert_eq!(
key_value_pairs(b"BANDWIDTH=395000,CODECS=\"avc1.4d001f,mp4a.40.2\"\r\nrest="),
Result::Ok((
"\r\nrest=".as_bytes(),
vec![("BANDWIDTH", "395000"), ("CODECS", "avc1.4d001f,mp4a.40.2")]
.into_iter()
.map(|(k, v)| (String::from(k), String::from(v)))
.collect::<HashMap<_, _>>(),
)),
);
}
#[test]
fn test_key_value_pairs_multiple_quoted_values() {
assert_eq!(
key_value_pairs(b"BANDWIDTH=86000,URI=\"low/iframe.m3u8\",PROGRAM-ID=1,RESOLUTION=\"1x1\",VIDEO=1\nrest"),
Result::Ok((
"\nrest".as_bytes(),
vec![
("BANDWIDTH", "86000"),
("URI", "low/iframe.m3u8"),
("PROGRAM-ID", "1"),
("RESOLUTION", "1x1"),
("VIDEO", "1")
].into_iter()
.map(|(k, v)| (String::from(k), String::from(v)))
.collect::<HashMap<String,String>>()
))
);
}
#[test]
fn test_key_value_pairs_quotes() {
assert_eq!(
key_value_pairs(b"BANDWIDTH=300000,CODECS=\"avc1.42c015,mp4a.40.2\"\r\nrest"),
Result::Ok((
"\r\nrest".as_bytes(),
vec![("BANDWIDTH", "300000"), ("CODECS", "avc1.42c015,mp4a.40.2")]
.into_iter()
.map(|(k, v)| (String::from(k), String::from(v)))
.collect::<HashMap<String, String>>()
))
);
}
#[test]
fn test_key_value_pairs() {
assert_eq!(
key_value_pairs(b"BANDWIDTH=300000,RESOLUTION=22x22,VIDEO=1\r\nrest="),
Result::Ok((
"\r\nrest=".as_bytes(),
vec![
("BANDWIDTH", "300000"),
("RESOLUTION", "22x22"),
("VIDEO", "1")
]
.into_iter()
.map(|(k, v)| (String::from(k), String::from(v)))
.collect::<HashMap<String, String>>()
))
);
}
#[test]
fn test_key_value_pair() {
assert_eq!(
key_value_pair(b"PROGRAM-ID=1,rest"),
Result::Ok((
"rest".as_bytes(),
("PROGRAM-ID".to_string(), "1".to_string())
))
);
}
#[test]
fn ext_with_value() {
assert_eq!(
ext_tag(b"#EXT-X-CUE-OUT:DURATION=30\nxxx"),
Result::Ok((
b"xxx".as_bytes(),
ExtTag {
tag: "X-CUE-OUT".into(),
rest: Some("DURATION=30".into())
}
))
);
}
#[test]
fn ext_without_value() {
assert_eq!(
ext_tag(b"#EXT-X-CUE-IN\nxxx"),
Result::Ok((
b"xxx".as_bytes(),
ExtTag {
tag: "X-CUE-IN".into(),
rest: None
}
))
);
}
#[test]
fn comment() {
assert_eq!(
comment_tag(b"#Hello\nxxx"),
Result::Ok(("xxx".as_bytes(), "Hello".to_string()))
);
}
#[test]
fn quotes() {
assert_eq!(
quoted(b"\"value\"rest"),
Result::Ok(("rest".as_bytes(), "value".to_string()))
);
}
#[test]
fn consume_line_empty() {
let expected = Result::Ok(("rest".as_bytes(), "".to_string()));
let actual = consume_line(b"\r\nrest");
assert_eq!(expected, actual);
}
#[test]
fn consume_line_n() {
assert_eq!(
consume_line(b"before\nrest"),
Result::Ok(("rest".as_bytes(), "before".into()))
);
}
#[test]
fn consume_line_rn() {
assert_eq!(
consume_line(b"before\r\nrest"),
Result::Ok(("rest".as_bytes(), "before".into()))
);
}
#[test]
fn float_() {
assert_eq!(
float(b"33.22rest"),
Result::Ok(("rest".as_bytes(), 33.22f32))
);
}
#[test]
fn float_no_decimal() {
assert_eq!(float(b"33rest"), Result::Ok(("rest".as_bytes(), 33f32)));
}
#[test]
fn float_should_ignore_trailing_dot() {
assert_eq!(float(b"33.rest"), Result::Ok((".rest".as_bytes(), 33f32)));
}
#[test]
fn parse_duration_title() {
assert_eq!(
duration_title_tag(b"2.002,title\nrest"),
Result::Ok(("rest".as_bytes(), (2.002f32, Some("title".to_string()))))
);
}
}

View file

@ -163,158 +163,6 @@ fn playlist_types() {
}
}
// -----------------------------------------------------------------------------------------------
// Variant
#[test]
fn variant_stream() {
let input = b"#EXT-X-STREAM-INF:BANDWIDTH=300000,CODECS=\"xxx\"\n";
let result = variant_stream_tag(input);
println!("{:?}", result);
}
// -----------------------------------------------------------------------------------------------
// Other
#[test]
fn test_key_value_pairs_trailing_equals() {
let res = key_value_pairs(b"BANDWIDTH=395000,CODECS=\"avc1.4d001f,mp4a.40.2\"\r\nrest=");
println!("{:?}\n\n", res);
}
#[test]
fn test_key_value_pairs_multiple_quoted_values() {
assert_eq!(
key_value_pairs(b"BANDWIDTH=86000,URI=\"low/iframe.m3u8\",PROGRAM-ID=1,RESOLUTION=\"1x1\",VIDEO=1\nrest"),
Result::Ok((
"\nrest".as_bytes(),
vec![
("BANDWIDTH".to_string(), "86000".to_string()),
("URI".to_string(), "low/iframe.m3u8".to_string()),
("PROGRAM-ID".to_string(), "1".to_string()),
("RESOLUTION".to_string(), "1x1".to_string()),
("VIDEO".to_string(), "1".to_string())
].into_iter().collect::<HashMap<String,String>>()
))
);
}
#[test]
fn test_key_value_pairs_quotes() {
let res = key_value_pairs(b"BANDWIDTH=300000,CODECS=\"avc1.42c015,mp4a.40.2\"\r\nrest");
println!("{:?}\n\n", res);
}
#[test]
fn test_key_value_pairs() {
let res = key_value_pairs(b"BANDWIDTH=300000,RESOLUTION=22x22,VIDEO=1\r\nrest=");
println!("{:?}\n\n", res);
}
#[test]
fn test_key_value_pair() {
assert_eq!(
key_value_pair(b"PROGRAM-ID=1,rest"),
Result::Ok((
"rest".as_bytes(),
("PROGRAM-ID".to_string(), "1".to_string())
))
);
}
#[test]
fn ext_with_value() {
assert_eq!(
ext_tag(b"#EXT-X-CUE-OUT:DURATION=30\nxxx"),
Result::Ok((
b"xxx".as_bytes(),
ExtTag {
tag: "X-CUE-OUT".into(),
rest: Some("DURATION=30".into())
}
))
);
}
#[test]
fn ext_without_value() {
assert_eq!(
ext_tag(b"#EXT-X-CUE-IN\nxxx"),
Result::Ok((
b"xxx".as_bytes(),
ExtTag {
tag: "X-CUE-IN".into(),
rest: None
}
))
);
}
#[test]
fn comment() {
assert_eq!(
comment_tag(b"#Hello\nxxx"),
Result::Ok(("xxx".as_bytes(), "Hello".to_string()))
);
}
#[test]
fn quotes() {
assert_eq!(
quoted(b"\"value\"rest"),
Result::Ok(("rest".as_bytes(), "value".to_string()))
);
}
#[test]
fn consume_line_empty() {
let expected = Result::Ok(("rest".as_bytes(), "".to_string()));
let actual = consume_line(b"\r\nrest");
assert_eq!(expected, actual);
}
#[test]
fn consume_line_n() {
assert_eq!(
consume_line(b"before\nrest"),
Result::Ok(("rest".as_bytes(), "before".into()))
);
}
#[test]
fn consume_line_rn() {
assert_eq!(
consume_line(b"before\r\nrest"),
Result::Ok(("rest".as_bytes(), "before".into()))
);
}
#[test]
fn float_() {
assert_eq!(
float(b"33.22rest"),
Result::Ok(("rest".as_bytes(), 33.22f32))
);
}
#[test]
fn float_no_decimal() {
assert_eq!(float(b"33rest"), Result::Ok(("rest".as_bytes(), 33f32)));
}
#[test]
fn float_should_ignore_trailing_dot() {
assert_eq!(float(b"33.rest"), Result::Ok((".rest".as_bytes(), 33f32)));
}
#[test]
fn parse_duration_title() {
assert_eq!(
duration_title_tag(b"2.002,title\nrest"),
Result::Ok(("rest".as_bytes(), (2.002f32, Some("title".to_string()))))
);
}
// -----------------------------------------------------------------------------------------------
// Creating playlists