galvanic-mock 0.1.3

A behaviour-driven mocking framework for generic traits. Create mocks for (multiple) traits in a behaviour-driven development mocking framework. Define the behaviour of mocks and expected method calls using argument patterns. Supports mocking of generic traits and generic methods. Requires: nightly
Documentation
/* Copyright 2017 Christopher Bacher
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#![feature(proc_macro)]
extern crate galvanic_mock;
extern crate galvanic_assert;
use galvanic_mock::{mockable, use_mocks};

#[mockable]
pub trait TestTrait {
    fn func<T: PartialEq + PartialOrd>(&self, x: T, y: T) -> i32;
}

#[test]#[use_mocks]
fn test() {
    let x = new_mock!(TestTrait);

    given! {
        <x as TestTrait>::func |&(ref a, ref b)| a == b then_return 23 always;
        <x as TestTrait>::func |&(ref a, ref b)| true then_return 46 always;
    }

    expect_interactions! {
        <x as TestTrait>::func |&(ref a, ref b)| a == b times 2;
        <x as TestTrait>::func |&(ref a, ref b)| a > b times 2;
        <x as TestTrait>::func |&(ref a, ref b)| a < b never;
    }

    assert!(x.func(1, 1) == 23);
    assert!(x.func(3, 2) == 46);
    assert!(x.func(3, 3) == 23);
    assert!(x.func(3, 2) == 46);

    x.verify();
}