oximod 0.2.5

MongoDB ODM for Rust inspired by Mongoose
Documentation 
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use mongodb::bson::{doc, oid::ObjectId};
use oximod::Model;
use serde::{Deserialize, Serialize};
use testresult::TestResult;

mod common;
use common::init;

// Run test: cargo nextest run deletes_first_matching_document_only
#[tokio::test]
async fn deletes_first_matching_document_only() -> TestResult {
    init().await?;

    #[derive(Model, Serialize, Deserialize, Debug)]
    #[db("test")]
    #[collection("delete_one_test_deletes_first_matching_document_only")]
    pub struct User {
        #[serde(skip_serializing_if = "Option::is_none")]
        _id: Option<ObjectId>,
        name: String,
        age: i32,
        active: bool,
    }

    User::clear().await?;

    let users = vec![
        User::default().name("User1").age(50).active(false),
        User::default().name("User2").age(50).active(false),
    ];

    for user in users {
        user.save().await?;
    }

    let collection = User::get_collection()?;

    let deleted = collection
        .delete_one(doc! { "age": 50, "active": false })
        .await?;
    assert_eq!(deleted.deleted_count, 1);

    let remaining = collection
        .count_documents(doc! { "age": 50, "active": false })
        .await?;
    assert_eq!(remaining, 1);

    Ok(())
}

// Run test: cargo nextest run delete_one_no_matching_document
#[tokio::test]
async fn delete_one_no_matching_document() -> TestResult {
    init().await?;

    #[derive(Model, Serialize, Deserialize, Debug)]
    #[db("test")]
    #[collection("delete_one_test_no_matching_document")]
    pub struct User {
        #[serde(skip_serializing_if = "Option::is_none")]
        _id: Option<ObjectId>,
        name: String,
        age: i32,
        active: bool,
    }

    User::clear().await?;

    let users = vec![
        User::default().name("User1").age(50).active(true),
        User::default().name("User2").age(50).active(true),
    ];

    for user in users {
        user.save().await?;
    }

    let collection = User::get_collection()?;

    let deleted = collection
        .delete_one(doc! { "age": 50, "active": false })
        .await?;
    assert_eq!(
        deleted.deleted_count, 0,
        "No documents should have been deleted"
    );

    let remaining = collection.count_documents(doc! {}).await?;
    assert_eq!(remaining, 2);

    Ok(())
}

// Run test: cargo nextest run deletes_first_matching_document_by_email_only
#[tokio::test]
async fn deletes_first_matching_document_by_email_only() -> TestResult {
    init().await?;

    #[derive(Model, Serialize, Deserialize, Debug)]
    #[db("test")]
    #[collection("delete_one_test_deletes_first_matching_document_by_email_only")]
    pub struct User {
        #[serde(skip_serializing_if = "Option::is_none")]
        _id: Option<ObjectId>,

        name: String,
        age: i32,
        active: bool,

        #[validate(email)]
        email: Option<String>,
    }

    User::clear().await?;

    let users = vec![
        User::default()
            .name("User1")
            .age(50)
            .active(false)
            .email("shared@example.com"),
        User::default()
            .name("User2")
            .age(50)
            .active(false)
            .email("shared@example.com"),
    ];

    for user in users {
        user.save().await?;
    }

    let collection = User::get_collection()?;

    let deleted = collection
        .delete_one(doc! { "email": "shared@example.com" })
        .await?;
    assert_eq!(deleted.deleted_count, 1);

    let remaining = collection
        .count_documents(doc! { "email": "shared@example.com" })
        .await?;
    assert_eq!(remaining, 1);

    Ok(())
}

// Run test: cargo nextest run delete_one_no_matching_document_by_email
#[tokio::test]
async fn delete_one_no_matching_document_by_email() -> TestResult {
    init().await?;

    #[derive(Model, Serialize, Deserialize, Debug)]
    #[db("test")]
    #[collection("delete_one_test_no_matching_document_by_email")]
    pub struct User {
        #[serde(skip_serializing_if = "Option::is_none")]
        _id: Option<ObjectId>,

        name: String,
        age: i32,
        active: bool,

        #[validate(email)]
        email: Option<String>,
    }

    User::clear().await?;

    let users = vec![
        User::default()
            .name("User1")
            .age(50)
            .active(true)
            .email("user1@example.com"),
        User::default()
            .name("User2")
            .age(50)
            .active(true)
            .email("user2@example.com"),
    ];

    for user in users {
        user.save().await?;
    }

    let collection = User::get_collection()?;

    let deleted = collection
        .delete_one(doc! { "email": "notfound@example.com" })
        .await?;
    assert_eq!(
        deleted.deleted_count, 0,
        "No documents should have been deleted"
    );

    let remaining = collection.count_documents(doc! {}).await?;
    assert_eq!(remaining, 2);

    Ok(())
}