// Copyright © 2018 Hootsuite.
//
// 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. All rights reserved.

import Foundation
import XCTest
@testable import Emit

final class VariableTests: XCTestCase {
    func testVariableEmits() {
        let variable = ObservableVariable("Test")
        let expectation = self.expectation(description: "Variable emits")

        variable.signal.subscribe(owner: self) { value in
            XCTAssertEqual(value, "Test2")
            expectation.fulfill()
        }

        variable.value = "Test2"

        self.wait(for: [expectation], timeout: 1)
    }
}
