public async Task FindCurrencySymbol_WithNullSymbol()
{
// arrange
var vm = new CurrencyConverterViewModel(_testClient);
await vm.Initialize().ConfigureAwait(false);
vm.ConvertToCurrencyId = "PES";
// act
var result = vm.ConvertToCurrencySymbol;
// assert
Assert.Empty(result);
}
public async Task Initialize()
{
// arrange
var vm = new CurrencyConverterViewModel(_testClient);
// act
await vm.Initialize().ConfigureAwait(false);
// assert
Assert.NotNull(vm);
Assert.Equal(0, vm.ConvertFromValue);
Assert.Equal("USD", vm.ConvertFromCurrencyId);
Assert.Equal("$", vm.ConvertFromCurrencySymbol);
Assert.Equal(0.0M, vm.ConvertToValue);
Assert.Equal("EUR", vm.ConvertToCurrencyId);
Assert.Equal("E", vm.ConvertToCurrencySymbol);
Assert.Equal(5, vm.Currencies.Count());
Assert.Null(vm.ConversionRate);
Assert.Null(vm.ErrorMessage);
Assert.False(vm.HasError);
}
public async Task Initialize_WithServiceError()
{
// arrange
var vm = new CurrencyConverterViewModel(_errorClient);
// act
await vm.Initialize().ConfigureAwait(false);
// assert
Assert.NotNull(vm);
Assert.Equal(0, vm.ConvertFromValue);
Assert.Null(vm.ConvertFromCurrencyId);
Assert.Empty(vm.ConvertFromCurrencySymbol);
Assert.Equal(0.0M, vm.ConvertToValue);
Assert.Null(vm.ConvertToCurrencyId);
Assert.Empty(vm.ConvertToCurrencySymbol);
Assert.Empty(vm.Currencies);
Assert.Null(vm.ConversionRate);
Assert.NotEmpty(vm.ErrorMessage);
Assert.True(vm.HasError);
}