public void Target_Command_CallCount_Is_Zero_After_Initialization_Of_CommandBinder()
{
var source = new MockEventSource();
var target = new MockViewModelWithAction();
var binder = new CommandBinder<MockEventArgs>(source, "MockEvent", target.Command);
binder.Bind();
Assert.AreEqual(0, target.Command.CallCount);
}
public void Source_Gets_Disabled_When_Target_Command_Is_Disabled_During_Initialization_With_Expression()
{
var source = new MockEventSource();
var target = new MockViewModelWithAction() { IsActionEnabled = false };
var binder = new MethodBinder<MockEventArgs>(source, "MockEvent", e => this.SetAction(), p => target.IsActionEnabled,target);
binder.Bind();
Assert.IsFalse(source.IsEnabled);
}
public void Source_Is_Enabled_When_Target_ICommand_CanExecute_Is_True_During_Initialization()
{
var source = new MockEventSource();
var target = new MockViewModelWithAction();
var binder = new CommandBinder<MockEventArgs>(source, "MockEvent", target.Command);
binder.Bind();
Assert.IsTrue(source.IsEnabled);
}
public void Target_Command_Is_Executed_When_Source_Event_Is_Raised_And_Command_Is_Enabled()
{
var source = new MockEventSource();
var target = new MockViewModelWithAction();
var binder = new CommandBinder<MockEventArgs>(source, "MockEvent", target.Command);
binder.Bind();
source.RaiseMockEvent("foo");
Assert.AreEqual(1, target.Command.CallCount);
}
public void Source_Is_Disabled_When_Target_Command_Gets_Disabled_After_Initialization()
{
var source = new MockEventSource();
var target = new MockViewModelWithAction() {IsActionEnabled = true};
var binder = new MethodBinder<MockEventArgs>(source, "MockEvent", e => target.Action(), p => target.IsActionEnabled,target);
binder.Bind();
target.IsActionEnabled = false;
Assert.IsFalse(source.IsEnabled);
}
public void Source_Is_Disabled_When_Target_Command_Becomes_Disabled()
{
var source = new MockEventSource();
var target = new MockViewModelWithAction();
var binder = new CommandBinder<MockEventArgs>(source, "MockEvent", target.Command);
target.Command.MaxCalls = 1;
binder.Bind();
source.RaiseMockEvent("foo");
Assert.IsFalse(source.IsEnabled);
}
public void When_event_is_raised_then_action_is_called()
{
var source = new MockEventSource();
var binder = new MethodBinder<MockEventArgs>(source, "MockEvent", e => this.SetAction());
binder.Bind();
source.RaiseMockEvent("foo");
Assert.IsTrue(this._actionWasCalled);
}
public void When_constructed_with_action_disabled_then_source_gets_disabled()
{
var source = new MockEventSource();
var target = new MockViewModelWithAction() {IsActionEnabled = false};
var binder = new MethodBinder<MockEventArgs>(source, "MockEvent", e => this.SetAction(), p => target.IsActionEnabled,target);
binder.Bind();
Assert.IsFalse(source.IsEnabled);
}
public void When_constructed_then_subscribes_to_event()
{
var source = new MockEventSource();
var binder = new MethodBinder<MockEventArgs>(source, "MockEvent", e => this.SetAction());
binder.Bind();
Assert.IsNotNull(source.EventHandler);
}
public void When_command_is_disabled_and_event_is_raised_then_action_is_not_called()
{
var source = new MockEventSource();
var target = new MockViewModelWithAction() {IsActionEnabled = false};
var binder = new MethodBinder<MockEventArgs>(source, "MockEvent", e => this.SetAction(), p => target.IsActionEnabled,target);
binder.Bind();
source.RaiseMockEvent("foo");
Assert.IsFalse(this._actionWasCalled);
}
public void Source_Is_Enabled_When_Target_Command_Is_Enabled_During_Initialization()
{
var source = new MockEventSource();
var target = new MockViewModelWithAction() {IsActionEnabled = true};
var binder = new MethodBinder<MockEventArgs>(source, "MockEvent", e => this.SetAction(), p => target.IsActionEnabled,target);
Assert.IsTrue(source.IsEnabled);
}