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Add tests for sort field

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**
This commit is contained in:
Benjamin Sago 2017-07-26 20:45:01 +01:00
parent 45e1cb77a4
commit bc5c0194b4
1 changed files with 56 additions and 5 deletions
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61
src/options/filter.rs
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@ -30,17 +30,16 @@ impl Default for SortField {
}
}
const SORTS: &[&str] = &[ "name", "Name", "size", "extension",
"Extension", "modified", "accessed",
"created", "inode", "type", "none" ];
impl SortField {
/// Determine the sort field to use, based on the presence of a “sort”
/// argument. This will return `Err` if the option is there, but does not
/// correspond to a valid field.
fn deduce(matches: &Matches) -> Result<SortField, Misfire> {
const SORTS: &[&str] = &[ "name", "Name", "size", "extension",
"Extension", "modified", "accessed",
"created", "inode", "type", "none" ];
let word = match matches.get(&flags::SORT) {
Some(w) => w,
None => return Ok(SortField::default()),
@ -120,3 +119,55 @@ impl IgnorePatterns {
Ok(IgnorePatterns { patterns })
}
}
#[cfg(test)]
mod test {
use super::*;
use std::ffi::OsString;
use options::flags;
pub fn os(input: &'static str) -> OsString {
let mut os = OsString::new();
os.push(input);
os
}
macro_rules! test {
($name:ident: $type:ident <- $inputs:expr => $result:expr) => {
#[test]
fn $name() {
use options::parser::{parse, Args, Arg};
use std::ffi::OsString;
static TEST_ARGS: &[&Arg] = &[ &flags::SORT ];
let bits = $inputs.as_ref().into_iter().map(|&o| os(o)).collect::<Vec<OsString>>();
let results = parse(&Args(TEST_ARGS), bits.iter());
assert_eq!($type::deduce(results.as_ref().unwrap()), $result);
}
};
}
mod sort_fields {
use super::*;
// Default behaviour
test!(empty: SortField <- [] => Ok(SortField::default()));
// Sort field arguments
test!(one_arg: SortField <- ["--sort=cr"] => Ok(SortField::CreatedDate));
test!(one_long: SortField <- ["--sort=size"] => Ok(SortField::Size));
test!(one_short: SortField <- ["-saccessed"] => Ok(SortField::AccessedDate));
test!(lowercase: SortField <- ["--sort", "name"] => Ok(SortField::Name(SortCase::Sensitive)));
test!(uppercase: SortField <- ["--sort", "Name"] => Ok(SortField::Name(SortCase::Insensitive)));
// Errors
test!(error: SortField <- ["--sort=colour"] => Err(Misfire::bad_argument(&flags::SORT, &os("colour"), super::SORTS)));
// Overriding
test!(overridden: SortField <- ["--sort=cr", "--sort", "mod"] => Ok(SortField::ModifiedDate));
test!(overridden_2: SortField <- ["--sort", "none", "--sort=Extension"] => Ok(SortField::Extension(SortCase::Insensitive)));
}
}