Mockiato

A strict, yet friendly mocking library for Rust 2018

⚠️ This crate requires the nightly compiler

Quickstart

```rust

[cfg(test)]

use mockiato::mockable;

[cfg_attr(test, mockable)]

trait Greeter { fn greet(&self, name: &str) -> String; }

[cfg(test)]

mod tests { use super::*;

#[test]
fn greet_the_world() {
    let mut greeter = GreeterMock::new();

    greeter
        .expect_greet(|arg| arg.partial_eq("world"))
        .times(1..2)
        .returns(String::from("Hello world"));

    assert_eq!("Hello world", greeter.greet("world"));
}

} ```

Trait Bounds

Trait bounds are currently not supported meaning that the supertraits will not be implemented for mocks.

The following traits are always implemented for mocks:

• Debug
  Example: cargo run --example debug
• Clone
  Example: cargo test --example clone
• Default
  Example: cargo test --example default

Downcasting

An example of how to use downcasting with mockiato can be found in the downcasting example.

Contributing

Enable debug impls in codegen

bash cargo test --features mockiato-codegen/debug-impls