wehub-resource-sync
70 lines
1.4 KiB
Rust
70 lines
1.4 KiB
Rust
use std::collections::HashMap;
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pub trait Repository {
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fn find_by_id(&self, id: u64) -> Option<&User>;
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fn save(&mut self, user: User);
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}
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#[derive(Debug, Clone)]
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pub struct User {
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pub id: u64,
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pub name: String,
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pub email: String,
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}
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pub struct InMemoryRepo {
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users: HashMap<u64, User>,
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}
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impl InMemoryRepo {
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pub fn new() -> Self {
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InMemoryRepo {
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users: HashMap::new(),
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}
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}
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}
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impl Repository for InMemoryRepo {
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fn find_by_id(&self, id: u64) -> Option<&User> {
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self.users.get(&id)
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}
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fn save(&mut self, user: User) {
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println!("Saving user {}", user.id);
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self.users.insert(user.id, user);
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}
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}
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pub fn create_user(repo: &mut impl Repository, name: &str, email: &str) -> User {
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let user = User {
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id: 1,
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name: name.to_string(),
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email: email.to_string(),
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};
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repo.save(user.clone());
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user
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn new_repo_is_empty() {
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let repo = InMemoryRepo::new();
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assert!(repo.find_by_id(1).is_none());
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}
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#[test]
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fn create_user_saves_to_repo() {
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let mut repo = InMemoryRepo::new();
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let user = create_user(&mut repo, "alice", "a@b.c");
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assert_eq!(user.name, "alice");
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}
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#[tokio::test]
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async fn async_test_is_detected() {
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assert!(true);
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}
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}
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