/* 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.
 */

#[macro_use]
extern crate galvanic_assert;

use galvanic_assert::matchers::*;

mod get_expectation_for {
    use super::*;

    mod use_expression {
        use super::*;

        #[test]
        fn should_get_an_expectation_asserting_an_expression_to_be_true() {
            #[allow(unused_variables)]
            let e = get_expectation_for!(1 == 1);
        }

        #[test]
        fn should_get_an_expectation_asserting_an_expression_to_be_true_and_verify_manually() {
            let e = get_expectation_for!(1 == 1);
            e.verify()
        }

        #[test]
        fn should_get_multiple_expectations_asserting_an_expression_to_be_true() {
            #[allow(unused_variables)]
            let e1 = get_expectation_for!(1 == 1);
            #[allow(unused_variables)]
            let e2 = get_expectation_for!(1 == 1, otherwise "failed");
        }

        #[test]
        #[should_panic]
        fn should_get_an_expectation_failing_to_assert_an_expression_to_be_true() {
            #[allow(unused_variables)]
            let e = get_expectation_for!(1 != 1);
        }

        #[test]
        #[should_panic]
        fn should_get_an_expectation_failing_to_assert_an_expression_to_be_true_and_verify_manually() {
            let e = get_expectation_for!(1 != 1);
            e.verify()
        }

        #[test]
        fn should_get_multiple_expectations_failing_to_assert_an_expression_to_be_true() {
            let e1 = get_expectation_for!(1 != 1);
            let e2 = get_expectation_for!(1 != 1, otherwise "failed");
            assert_that!(e1.verify(), panics);
            assert_that!(e2.verify(), panics);
        }

        #[test]
        fn should_get_multiple_expectations_some_failing_to_assert_an_expression_to_be_true() {
            let e1 = get_expectation_for!(1 != 1);
            let e2 = get_expectation_for!(1 == 1);
            assert_that!(e1.verify(), panics);
            assert_that!(e2.verify(), does not panic);
        }
    }

    mod use_panic {
        use super::*;

        #[test]
        fn should_get_an_expectation_asserting_an_expression_to_panic() {
            #[allow(unused_variables)]
            let e = get_expectation_for!(panic!("panic"), panics);
        }

        #[test]
        #[should_panic]
        fn should_get_an_expectation_failing_to_assert_an_expression_to_panic() {
            #[allow(unused_variables)]
            let e = get_expectation_for!(1 == 1, panics);
        }
    }

    mod use_no_panic {
        use super::*;

        #[test]
        fn should_get_an_expectation_asserting_an_expression_to_not_panic() {
            #[allow(unused_variables)]
            let e = get_expectation_for!(1 == 1, does not panic);
        }

        #[test]
        #[should_panic]
        fn should_get_an_expectation_failing_to_assert_an_expression_to_panic() {
            #[allow(unused_variables)]
            let e = get_expectation_for!(panic!("panic"), does not panic);
        }
    }

    mod use_matcher {
        use super::*;

        #[test]
        fn should_get_an_expectation_asserting_a_matcher_to_succeed() {
            #[allow(unused_variables)]
            let e = get_expectation_for!(&1, assertion_always_succeeds());
        }

        #[test]
        #[should_panic]
        fn should_get_an_expectation_asserting_a_matcher_to_fail() {
            #[allow(unused_variables)]
            let e = get_expectation_for!(&1, assertion_always_fails());
        }
    }
}

mod expect_that {
    use super::*;

    mod use_expression {
        #[test]
        fn should_expect_an_expression_to_be_true() {
            expect_that!(1 == 1);
        }

        #[test]
        fn should_get_multiple_expectations_asserting_an_expression_to_be_true() {
            expect_that!(1 == 1);
            expect_that!(1 == 1, otherwise "failed");
        }

        #[test]
        #[should_panic]
        fn should_be_failing_to_expect_an_expression_to_be_true() {
            #[allow(unused_variables)]
            expect_that!(1 != 1);
        }

        #[test]
        #[should_panic]
        fn should_get_multiple_expectations_failing_to_assert_an_expression_to_be_true() {
            expect_that!(1 != 1);
            expect_that!(1 != 1, otherwise "failed");
        }

        #[test]
        #[should_panic]
        fn should_get_multiple_expectations_some_failing_to_assert_an_expression_to_be_true() {
            expect_that!(1 != 1);
            expect_that!(1 == 1);
        }
    }

    mod use_panic {
        use super::*;

        #[test]
        fn should_expect_an_expression_to_panic() {
            expect_that!(panic!("panic"), panics);
        }

        #[test]
        #[should_panic]
        fn should_be_failing_to_expect_an_expression_to_panic() {
            expect_that!(1 == 1, panics);
        }
    }

    mod use_no_panic {
        use super::*;

        #[test]
        fn should_expect_an_expression_to_not_panic() {
            expect_that!(1 == 1, does not panic);
        }

        #[test]
        #[should_panic]
        fn should_be_failing_to_expect_an_expression_to_panic() {
            expect_that!(panic!("panic"), does not panic);
        }
    }

    mod use_matcher {
        use super::*;

        #[test]
        fn should_expect_a_matcher_to_succeed() {
            expect_that!(&1, assertion_always_succeeds());
        }

        #[test]
        #[should_panic]
        fn should_expect_a_matcher_to_fail() {
            expect_that!(&1, assertion_always_fails());
        }
    }
}