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numfmt: add tests for handle_buffer

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This commit is contained in:
sbentmar 2022-01-15 22:12:21 +01:00
parent 413bff26f8
commit 1287ce3780
1 changed files with 42 additions and 2 deletions
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44
src/uu/numfmt/src/numfmt.rs
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@ -281,7 +281,22 @@ mod tests {
}
}
fn get_options() -> NumfmtOptions {
fn get_valid_options() -> NumfmtOptions {
NumfmtOptions {
transform: TransformOptions {
from: Unit::None,
to: Unit::None,
},
padding: 10,
header: 0,
fields: vec![Range { low: 0, high: 1 }],
delimiter: None,
round: RoundMethod::Nearest,
suffix: None,
}
}
fn get_invalid_options() -> NumfmtOptions {
NumfmtOptions {
transform: TransformOptions {
from: Unit::Auto,
@ -299,10 +314,35 @@ mod tests {
#[test]
fn broken_buffer_returns_io_error() {
let mock_buffer = MockBuffer {};
let result = handle_buffer(BufReader::new(mock_buffer), get_options())
let result = handle_buffer(BufReader::new(mock_buffer), get_valid_options())
.expect_err("returned Ok after receiving IO error");
let result_debug = format!("{:?}", result);
let result_display = format!("{}", result);
assert_eq!(result_debug, "IoError(\"broken pipe\")");
assert_eq!(result_display, "broken pipe");
assert_eq!(result.code(), 1);
}
#[test]
fn non_numeric_returns_formatting_error() {
let input_value = b"hello";
let result = handle_buffer(BufReader::new(&input_value[..]), get_valid_options())
.expect_err("returned Ok after receiving improperly formatted input");
let result_debug = format!("{:?}", result);
let result_display = format!("{}", result);
assert_eq!(
result_debug,
"FormattingError(\"invalid suffix in input: 'hello'\")"
);
assert_eq!(result_display, "invalid suffix in input: 'hello'");
assert_eq!(result.code(), 2);
}
#[test]
fn valid_input_returns_ok() {
let input_value = b"165";
let result = handle_buffer(BufReader::new(&input_value[..]), get_valid_options());
println!("{:?}", result);
assert!(result.is_ok(), "did not return Ok for valid input");
}
}