public void MainViewModel_TestIsBusy_ShouldSwitch()
{
const double testValue = 1234.5;
const int trendValue = 0;
_propertyChangedIsBusyWasCalled = false;
var service = new TestCoinService(testValue, trendValue);
var vm = new MainViewModel(service);
var raiseCanExecuteChangedWasCalled = false;
vm.PropertyChanged += MainViewModelPropertyChanged;
vm.RefreshCommand.CanExecuteChanged += (s, e) =>
{
raiseCanExecuteChangedWasCalled = true;
};
Assert.IsFalse(vm.IsBusy);
vm.RefreshCommand.Execute(null);
Assert.IsTrue(raiseCanExecuteChangedWasCalled);
Assert.IsTrue(_propertyChangedIsBusyWasCalled);
Assert.IsFalse(vm.IsBusy);
}
public void MainViewModel_TestTrend_ShouldBeFlat()
{
const double testValue = 1234.5;
const int trendValue = 0;
_propertyChangedEthWasCalled = false;
_propertyChangedBtcWasCalled = false;
var service = new TestCoinService(testValue, trendValue);
var vm = new MainViewModel(service);
vm.PropertyChanged += MainViewModelPropertyChanged;
vm.RefreshCommand.Execute(null);
Assert.IsTrue(_propertyChangedBtcWasCalled);
Assert.IsTrue(_propertyChangedEthWasCalled);
Assert.IsFalse(vm.Btc.IsUpTrendVisible);
Assert.IsTrue(vm.Btc.IsFlatTrendVisible);
Assert.IsFalse(vm.Btc.IsDownTrendVisible);
Assert.IsFalse(vm.Eth.IsUpTrendVisible);
Assert.IsTrue(vm.Eth.IsFlatTrendVisible);
Assert.IsFalse(vm.Eth.IsDownTrendVisible);
}
public void MainViewModel_TestCurrentValue_ShouldBeSet()
{
const double testValue = 1234.5;
const int trendValue = 0;
_propertyChangedEthWasCalled = false;
_propertyChangedBtcWasCalled = false;
var service = new TestCoinService(testValue, trendValue);
var vm = new MainViewModel(service);
vm.PropertyChanged += MainViewModelPropertyChanged;
vm.RefreshCommand.Execute(null);
Assert.AreEqual(testValue, vm.Btc.Model.CurrentValue);
Assert.AreEqual(testValue, vm.Eth.Model.CurrentValue);
}