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use std::fmt::Display;
/// Represents a user within a commit with a name and email address
#[derive(Debug, Eq, PartialEq)]
pub(crate) struct User {
name: Option<String>,
email: Option<String>,
}
impl User {
/// Creates a new user
#[must_use]
pub(crate) fn new(name: Option<&str>, email: Option<&str>) -> Self {
Self {
email: email.map(String::from),
name: name.map(String::from),
}
}
/// Get the optional name of the user
#[must_use]
pub(crate) fn name(&self) -> Option<&str> {
self.name.as_deref()
}
/// Get the optional email of the user
#[must_use]
pub(crate) fn email(&self) -> Option<&str> {
self.email.as_deref()
}
/// Returns `true` if one of name or email is a `Some` value.
#[must_use]
pub(crate) const fn is_some(&self) -> bool {
self.name.is_some() || self.email.is_some()
}
}
impl Display for User {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
if let Some(name) = self.name() {
if let Some(email) = self.email() {
write!(f, "{name} <{email}>")
}
else {
write!(f, "{name}")
}
}
else if let Some(email) = self.email() {
write!(f, "<{email}>")
}
else {
write!(f, "")
}
}
}
#[cfg(test)]
mod tests {
use claims::assert_some_eq;
use rstest::rstest;
use super::*;
#[test]
fn name() {
let user = User::new(Some("name"), None);
assert_some_eq!(user.name(), "name");
}
#[test]
fn email() {
let user = User::new(None, Some("email"));
assert_some_eq!(user.email(), "email");
}
#[rstest]
#[case(Some("name"), None)]
#[case(None, Some("email"))]
#[case(Some("email"), Some("email"))]
fn is_some_none_when_some(#[case] name: Option<&str>, #[case] email: Option<&str>) {
let user = User::new(name, email);
assert!(user.is_some());
}
#[test]
fn is_some_none_when_none() {
let user = User::new(None, None);
assert!(!user.is_some());
}
#[test]
fn to_string_with_none_name_and_none_email() {
let user = User::new(None, None);
assert_eq!(user.to_string(), "");
}
#[test]
fn to_string_with_none_name_and_some_email() {
let user = User::new(None, Some("me@example.com"));
assert_eq!(user.to_string(), "<me@example.com>");
}
#[test]
fn to_string_with_some_name_and_none_email() {
let user = User::new(Some("Tim Oram"), None);
assert_eq!(user.to_string(), "Tim Oram");
}
#[test]
fn to_string_with_some_name_and_some_email() {
let user = User::new(Some("Tim Oram"), Some("me@example.com"));
assert_eq!(user.to_string(), "Tim Oram <me@example.com>");
}
}
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