galvanic-test 0.2.0

A testing framework for setting up and tearing up test fixtures/environments with support for parameterised test cases. This crate is part of galvanic---a complete test framework for Rust.
Documentation 
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/* 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.
 */

mod basic {
    use galvanic_test::{fixture, test, TestFixture};

    fixture!( parameterised_fixture(x: i32, y: i32) -> i32 {
        params {
            vec![(1,2), (2,3), (3,4)].into_iter()
        }
        setup(&mut self) {
            self.x * self.y
        }
    });

    test!(
        inject_parameterised_fixtures | parameterised_fixture | {
            let (value, params) = parameterised_fixture.decompose();
            assert_eq!(value, params.x * params.y);
        }
    );

    test!(
        override_parameterised_fixture | parameterised_fixture(6, 7) | {
            assert_eq!(parameterised_fixture.val, 42);
        }
    );
}

mod test_setup_teardown_for_each_parameterisation_of_a_single_fixture {
    use galvanic_test::{fixture, test, TestFixture};

    static mut SETUP_COUNT: usize = 0;
    static mut TEAR_DOWN_COUNT: usize = 0;

    fixture!( counting_fixture(it: usize) -> () {
        params {
            vec![1, 2, 3].into_iter()
        }
        setup(&mut self) {
            unsafe { SETUP_COUNT += 1; }
        }
        tear_down(&self) {
            unsafe { TEAR_DOWN_COUNT += 1; }
        }
    });

    test!(
        inject_parameterised_fixtures | counting_fixture | {
            let params = counting_fixture.into_params();
            unsafe {
                assert_eq!(SETUP_COUNT, *params.it);
                assert_eq!(TEAR_DOWN_COUNT, params.it - 1);
            }
        }
    );
}

mod test_setup_teardown_for_each_parameterisation_of_multiple_fixtures {
    use galvanic_test::{fixture, test, TestFixture};

    static mut SETUP_COUNT_1: usize = 0;
    static mut TEAR_DOWN_COUNT_1: usize = 0;

    fixture!( counting_fixture_1(it: usize) -> () {
        params {
            vec![1, 2, 3].into_iter()
        }
        setup(&mut self) {
            unsafe { SETUP_COUNT_1 += 1; }
        }
        tear_down(&self) {
            unsafe { TEAR_DOWN_COUNT_1 += 1; }
        }
    });

    static mut SETUP_COUNT_2: usize = 0;
    static mut TEAR_DOWN_COUNT_2: usize = 0;

    fixture!( counting_fixture_2(it: usize) -> () {
        params {
            vec![1, 2, 3].into_iter()
        }
        setup(&mut self) {
            unsafe { SETUP_COUNT_2 += 1; }
        }
        tear_down(&self) {
            unsafe { TEAR_DOWN_COUNT_2 += 1; }
        }
    });

    test!(
        inject_parameterised_fixtures | counting_fixture_1,
        counting_fixture_2 | {
            let params1 = &counting_fixture_1.params;
            let params2 = &counting_fixture_2.params;
            unsafe {
                assert_eq!(SETUP_COUNT_1, (params1.it - 1) * 3 + params2.it);
                assert_eq!(TEAR_DOWN_COUNT_1, (params1.it - 1) * 3 + params2.it - 1);

                assert_eq!(SETUP_COUNT_2, (params1.it - 1) * 3 + params2.it);
                assert_eq!(TEAR_DOWN_COUNT_2, (params1.it - 1) * 3 + params2.it - 1);
            }
        }
    );
}