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use crate::entity::NormalizerSettings;
use crate::from_bytes;
use crate::utils::encode;
use encoding::EncoderTrap;
#[test]
fn test_empty() {
let bytes: Vec<u8> = b"".to_vec();
let result = from_bytes(&bytes, None);
let best_guess = result.get_best();
assert!(
best_guess.is_some(),
"Empty bytes payload SHOULD NOT return None"
);
assert_eq!(
best_guess.unwrap().encoding(),
"utf-8",
"Empty bytes payload SHOULD be guessed as UTF-8 (arbitrary)"
);
assert!(best_guess.unwrap().unicode_ranges().is_empty());
}
#[test]
fn test_empty_but_with_bom_or_sig() {
let tests = [
(vec![0xff, 0xfe], "utf-16le"),
(vec![0x84, 0x31, 0x95, 0x33], "gb18030"),
(vec![0xef, 0xbb, 0xbf], "utf-8"),
(vec![0xfe, 0xff], "utf-16be"),
];
for (input, expected_encoding) in tests {
let result = from_bytes(&input, None);
let best_guess = result.get_best();
assert!(
best_guess.is_some(),
"Empty detection but with SIG/BOM has failed! Input: {:?}",
&input
);
assert_eq!(
best_guess.unwrap().encoding(),
expected_encoding,
"Empty detection but with SIG/BOM is wrongly detected! Input: {:?}",
&input
);
assert_eq!(
best_guess.unwrap().raw(),
&input,
"The RAW property should contain the original payload given for detection. Input: {:?}",
&input
);
assert!(
best_guess.unwrap().bom(),
"The BOM/SIG property should return True. Input: {:?}",
&input
);
assert_eq!(
best_guess.unwrap().decoded_payload(),
Some(""),
"The cast to str SHOULD be empty. Input: {:?}",
&input
);
}
}
#[test]
fn test_content_with_bom_or_sig() {
let tests = [
(
encode(
"\u{FEFF}我没有埋怨，磋砣的只是一些时间。",
"gb18030",
EncoderTrap::Ignore,
)
.unwrap(),
"gb18030",
),
(
encode(
"\u{FEFF}我没有埋怨，磋砣的只是一些时间。",
"utf-16le",
EncoderTrap::Ignore,
)
.unwrap(),
"utf-16le",
),
(
encode(
"\u{FEFF}我没有埋怨，磋砣的只是一些时间。",
"utf-8",
EncoderTrap::Ignore,
)
.unwrap(),
"utf-8",
),
];
for (input, expected_encoding) in tests {
let result = from_bytes(&input, None);
let best_guess = result.get_best();
assert!(
best_guess.is_some(),
"Detection but with SIG/BOM has failed! Input: {:?}",
&input
);
assert_eq!(
best_guess.unwrap().encoding(),
expected_encoding,
"Detection but with SIG/BOM is wrongly detected! Input: {:?}",
&input
);
assert!(
best_guess.unwrap().bom(),
"The BOM/SIG property should return True. Input: {:?}",
&input
);
}
}
#[test]
fn test_obviously_ascii_content() {
let tests = [
b"AbAdZ pOoooOlDl mmlDoDkA lldDkeEkddA mpAlkDF".as_slice(),
b"g4UsPJdfzNkGW2jwmKDGDilKGKYtpF2X.mx3MaTWL1tL7CNn5U7DeCcodKX7S3lwwJPKNjBT8etY".as_slice(),
b"{\"token\": \"g4UsPJdfzNkGW2jwmKDGDilKGKYtpF2X.mx3MaTWL1tL7CNn5U7DeCcodKX7S3lwwJPKNjBT8etY\"}".as_slice(),
b"81f4ab054b39cb0e12701e734077d84264308f5fc79494fc5f159fa2ebc07b73c8cc0e98e009664a20986706f90146e8eefcb929ce1f74a8eab21369fdc70198".as_slice(),
b"{}".as_slice(),
];
for input in tests {
let result = from_bytes(input, None);
let best_guess = result.get_best();
assert!(
best_guess.is_some(),
"Dead-simple ASCII detection has failed! Input: {:?}",
&input
);
assert_eq!(
best_guess.unwrap().encoding(),
"ascii",
"Dead-simple ASCII detection is wrongly detected! Input: {:?}",
&input
);
}
}
#[test]
fn test_obviously_utf8_content() {
let tests = [
"\u{020d}",
"héllo world!\n",
"我没有埋怨，磋砣的只是一些时间。",
"Bсеки човек има право на образование. Oбразованието трябва да бъде безплатно, поне що се отнася до началното и основното образование.",
"Bсеки човек има право на образование.",
"(° ͜ʖ °), creepy face, smiley 😀",
"[\"Financiën\", \"La France\"]",
"Qu'est ce que une étoile?",
"<?xml ?><c>Financiën</c>",
"😀",
];
for input in tests {
let result = from_bytes(input.as_bytes(), None);
let best_guess = result.get_best();
assert!(
best_guess.is_some(),
"Dead-simple UTF-8 detection has failed! Input: {:?}",
&input
);
assert_eq!(
best_guess.unwrap().encoding(),
"utf-8",
"Dead-simple UTF-8 detection is wrongly detected! Input: {:?}",
&input
);
}
}
#[test]
fn test_unicode_ranges_property() {
let text = "😀 Hello World! How affairs are going? 😀";
let result = from_bytes(text.as_bytes(), None);
let best_guess = result.get_best();
let ur = best_guess.unwrap().unicode_ranges();
assert!(ur.contains(&"Basic Latin".to_string()));
assert!(ur.contains(&"Emoticons range(Emoji)".to_string()));
}
#[test]
fn test_mb_cutting_chk() {
let payload = b"\xbf\xaa\xbb\xe7\xc0\xfb \xbf\xb9\xbc\xf6 \xbf\xac\xb1\xb8\xc0\xda\xb5\xe9\xc0\xba \xba\xb9\xc0\xbd\xbc\xad\xb3\xaa ".repeat(128);
let mut settings = NormalizerSettings::default();
settings.include_encodings.push(String::from("euc-kr"));
let result = from_bytes(payload.as_slice(), Some(settings));
let best_guess = result.get_best().unwrap();
assert_eq!(result.len(), 1);
assert_eq!(best_guess.encoding(), "euc-kr");
}
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