public void TwoWayBindWithFuncConvertersSmokeTest()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView {
ViewModel = vm
};
var fixture = new PropertyBinderImplementation();
vm.JustADecimal = 123.45m;
Assert.NotEqual(vm.JustADecimal.ToString(), view.SomeTextBox.Text);
var disp = fixture.Bind(vm, view, x => x.JustADecimal, x => x.SomeTextBox.Text, (IObservable <Unit>?)null, d => d.ToString(), decimal.Parse);
Assert.Equal(vm.JustADecimal.ToString(), view.SomeTextBox.Text);
Assert.Equal(123.45m, vm.JustADecimal);
view.SomeTextBox.Text = "567.89";
Assert.Equal(567.89m, vm.JustADecimal);
disp?.Dispose();
vm.JustADecimal = 0;
Assert.Equal(0, vm.JustADecimal);
Assert.Equal("567.89", view.SomeTextBox.Text);
}
public void TwoWayBindSmokeTest()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
var fixture = new PropertyBinderImplementation();
vm.Property1 = "Foo";
Assert.NotEqual(vm.Property1, view.SomeTextBox.Text);
var disp = fixture.Bind(vm, view, x => x.Property1, x => x.SomeTextBox.Text, (IObservable <Unit>)null, null);
Assert.Equal(vm.Property1, view.SomeTextBox.Text);
Assert.Equal("Foo", vm.Property1);
view.SomeTextBox.Text = "Bar";
Assert.Equal(vm.Property1, "Bar");
disp.Dispose();
vm.Property1 = "Baz";
Assert.Equal("Baz", vm.Property1);
Assert.NotEqual(vm.Property1, view.SomeTextBox.Text);
}
public void TypeConvertedTwoWayBindSmokeTest()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
var fixture = new PropertyBinderImplementation();
vm.Property2 = 17;
Assert.NotEqual(vm.Property2.ToString(), view.SomeTextBox.Text);
var disp = fixture.Bind(vm, view, x => x.Property2, x => x.SomeTextBox.Text, (IObservable <Unit>)null, null);
Assert.Equal(vm.Property2.ToString(), view.SomeTextBox.Text);
Assert.Equal(17, vm.Property2);
view.SomeTextBox.Text = "42";
Assert.Equal(42, vm.Property2);
disp.Dispose();
vm.Property2 = 0;
Assert.Equal(0, vm.Property2);
Assert.NotEqual("0", view.SomeTextBox.Text);
}
public void DataboundReactiveListDoesNotThrowForInsertRange()
{
var vm = new LegacyPropertyBindViewModel();
var view = new LegacyPropertyBindView
{
ViewModel = vm
};
var fixture = new PropertyBinderImplementation();
fixture.OneWayBind(vm, view, m => m.SomeCollectionOfStrings, v => v.FakeItemsControl.ItemsSource);
vm.SomeCollectionOfStrings.ResetChangeThreshold = int.MinValue;
foreach (var item in Create(5))
{
vm.SomeCollectionOfStrings.Add(item);
}
// within reset threshold
vm.SomeCollectionOfStrings.InsertRange(2, Create(5));
// outside reset threshold
vm.SomeCollectionOfStrings.InsertRange(2, Create(20));
IEnumerable <string> Create(int numElements) => Enumerable.Range(1, numElements).Select(i => $"item_{i}");
}
public void OneWayBindConverter()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView {
ViewModel = vm
};
var fixture = new PropertyBinderImplementation();
fixture.OneWayBind(vm, view, x => x.JustABoolean, x => x.SomeTextBox.IsEnabled, s => s);
Assert.False(view.SomeTextBox.IsEnabled);
}
public void BindExpectsConverterFuncsToNotBeNull()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView {
ViewModel = vm
};
var fixture = new PropertyBinderImplementation();
Func <string?, string?> nullFunc = null !;
Assert.Throws <ArgumentNullException>(() => fixture.Bind(vm, view, x => x.Property1, x => x.SomeTextBox.Text, (IObservable <Unit>?)null, nullFunc, s => s));
Assert.Throws <ArgumentNullException>(() => fixture.Bind(vm, view, x => x.Property1, x => x.SomeTextBox.Text, (IObservable <Unit>?)null, s => s, nullFunc));
}
public void DataboundReactiveListDoesNotThrowForAddRange()
{
var vm = new LegacyPropertyBindViewModel();
var view = new LegacyPropertyBindView
{
ViewModel = vm
};
var fixture = new PropertyBinderImplementation();
fixture.OneWayBind(vm, view, m => m.SomeCollectionOfStrings, v => v.FakeItemsControl.ItemsSource);
// eliminate the ResetChangeThreshold from the equation
vm.SomeCollectionOfStrings.ResetChangeThreshold = int.MinValue;
// Within the reset threshold
vm.SomeCollectionOfStrings.AddRange(Create(5));
vm.SomeCollectionOfStrings.AddRange(Create(20));
IEnumerable <string> Create(int numElements) => Enumerable.Range(1, numElements).Select(i => $"item_{i}");
}
public void TwoWayBindWithFuncConvertersSmokeTest()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView() {ViewModel = vm};
var fixture = new PropertyBinderImplementation();
vm.JustADecimal = 123.45m;
Assert.NotEqual(vm.JustADecimal.ToString(), view.SomeTextBox.Text);
var disp = fixture.Bind(vm, view, x => x.JustADecimal, x => x.SomeTextBox.Text, (IObservable<Unit>)null, d => d.ToString(), Decimal.Parse);
Assert.Equal(vm.JustADecimal.ToString(), view.SomeTextBox.Text);
Assert.Equal(123.45m, vm.JustADecimal);
view.SomeTextBox.Text = "567.89";
Assert.Equal(567.89m, vm.JustADecimal);
disp.Dispose();
vm.JustADecimal = 0;
Assert.Equal(0, vm.JustADecimal);
Assert.Equal("567.89", view.SomeTextBox.Text);
}
public void TwoWayBindSmokeTest()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView() {ViewModel = vm};
var fixture = new PropertyBinderImplementation();
vm.Property1 = "Foo";
Assert.NotEqual(vm.Property1, view.SomeTextBox.Text);
var disp = fixture.Bind(vm, view, x => x.Property1, x => x.SomeTextBox.Text, (IObservable<Unit>)null, null);
Assert.Equal(vm.Property1, view.SomeTextBox.Text);
Assert.Equal("Foo", vm.Property1);
view.SomeTextBox.Text = "Bar";
Assert.Equal(vm.Property1, "Bar");
disp.Dispose();
vm.Property1 = "Baz";
Assert.Equal("Baz", vm.Property1);
Assert.NotEqual(vm.Property1, view.SomeTextBox.Text);
}
public void TypeConvertedTwoWayBindSmokeTest()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
var fixture = new PropertyBinderImplementation();
vm.Property2 = 17;
Assert.NotEqual(vm.Property2.ToString(), view.SomeTextBox.Text);
var disp = fixture.Bind(vm, view, x => x.Property2, x => x.SomeTextBox.Text, (IObservable <Unit>)null, null);
Assert.Equal(vm.Property2.ToString(), view.SomeTextBox.Text);
Assert.Equal(17, vm.Property2);
view.SomeTextBox.Text = "42";
Assert.Equal(42, vm.Property2);
// Bad formatting error
view.SomeTextBox.Text = "--";
Assert.Equal(42, vm.Property2);
disp.Dispose();
vm.Property2 = 0;
Assert.Equal(0, vm.Property2);
Assert.NotEqual("0", view.SomeTextBox.Text);
vm.JustADecimal = 17.2m;
var disp1 = fixture.Bind(vm, view, x => x.JustADecimal, x => x.SomeTextBox.Text, (IObservable <Unit>)null, null);
Assert.Equal(vm.JustADecimal.ToString(), view.SomeTextBox.Text);
Assert.Equal(17.2m, vm.JustADecimal);
view.SomeTextBox.Text = 42.3m.ToString();
Assert.Equal(42.3m, vm.JustADecimal);
// Bad formatting.
view.SomeTextBox.Text = "--";
Assert.Equal(42.3m, vm.JustADecimal);
disp1.Dispose();
vm.JustADecimal = 0;
Assert.Equal(0, vm.JustADecimal);
Assert.NotEqual("0", view.SomeTextBox.Text);
// Empty test
vm.JustAInt32 = 12;
var disp2 = fixture.Bind(vm, view, x => x.JustAInt32, x => x.SomeTextBox.Text, (IObservable <Unit>)null, null);
view.SomeTextBox.Text = "";
Assert.Equal(12, vm.JustAInt32);
view.SomeTextBox.Text = "1.2";
Assert.Equal(12, vm.JustAInt32);
view.SomeTextBox.Text = "13";
Assert.Equal(13, vm.JustAInt32);
}
public void BindExpectsConverterFuncsToNotBeNull()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView() {ViewModel = vm};
var fixture = new PropertyBinderImplementation();
Func<string, string> nullFunc = null;
Assert.Throws<ArgumentNullException>(() => fixture.Bind(vm, view, x => x.Property1, x => x.SomeTextBox.Text, (IObservable<Unit>)null, nullFunc, s => s));
Assert.Throws<ArgumentNullException>(() => fixture.Bind(vm, view, x => x.Property1, x => x.SomeTextBox.Text, (IObservable<Unit>)null, s => s, nullFunc));
}
public void TypeConvertedTwoWayBindSmokeTest()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView() { ViewModel = vm };
var fixture = new PropertyBinderImplementation();
vm.Property2 = 17;
Assert.NotEqual(vm.Property2.ToString(), view.SomeTextBox.Text);
var disp = fixture.Bind(vm, view, x => x.Property2, x => x.SomeTextBox.Text, (IObservable<Unit>)null, null);
Assert.Equal(vm.Property2.ToString(), view.SomeTextBox.Text);
Assert.Equal(17, vm.Property2);
view.SomeTextBox.Text = "42";
Assert.Equal(42, vm.Property2);
// Bad formatting error
view.SomeTextBox.Text = "--";
Assert.Equal(42, vm.Property2);
disp.Dispose();
vm.Property2 = 0;
Assert.Equal(0, vm.Property2);
Assert.NotEqual("0", view.SomeTextBox.Text);
vm.JustADecimal = 17.2m;
var disp1 = fixture.Bind(vm, view, x => x.JustADecimal, x => x.SomeTextBox.Text, (IObservable<Unit>)null, null);
Assert.Equal(vm.JustADecimal.ToString(), view.SomeTextBox.Text);
Assert.Equal(17.2m, vm.JustADecimal );
view.SomeTextBox.Text = 42.3m.ToString();
Assert.Equal(42.3m, vm.JustADecimal );
// Bad formatting.
view.SomeTextBox.Text = "--";
Assert.Equal(42.3m, vm.JustADecimal );
disp1.Dispose();
vm.JustADecimal = 0;
Assert.Equal(0, vm.JustADecimal);
Assert.NotEqual("0", view.SomeTextBox.Text);
// Empty test
vm.JustAInt32 = 12;
var disp2 = fixture.Bind(vm, view, x => x.JustAInt32, x => x.SomeTextBox.Text, (IObservable<Unit>)null, null);
view.SomeTextBox.Text = "";
Assert.Equal(12, vm.JustAInt32);
view.SomeTextBox.Text = "1.2";
Assert.Equal(12, vm.JustAInt32);
view.SomeTextBox.Text = "13";
Assert.Equal(13, vm.JustAInt32);
}
