using FakeItEasy; public class ReactTests { [Fact] public void Input_cells_have_a_value() { var sut = new Reactor(); var input = sut.CreateInputCell(10); Assert.Equal(10, input.Value); } [Fact(Skip = "Remove this Skip property to run this test")] public void An_input_cells_value_can_be_set() { var sut = new Reactor(); var input = sut.CreateInputCell(4); input.Value = 20; Assert.Equal(20, input.Value); } [Fact(Skip = "Remove this Skip property to run this test")] public void Compute_cells_calculate_initial_value() { var sut = new Reactor(); var input = sut.CreateInputCell(1); var output = sut.CreateComputeCell(new[] { input }, inputs => inputs[0] + 1); Assert.Equal(2, output.Value); } [Fact(Skip = "Remove this Skip property to run this test")] public void Compute_cells_take_inputs_in_the_right_order() { var sut = new Reactor(); var one = sut.CreateInputCell(1); var two = sut.CreateInputCell(2); var output = sut.CreateComputeCell(new[] { one, two }, inputs => inputs[0] + inputs[1] * 10); Assert.Equal(21, output.Value); } [Fact(Skip = "Remove this Skip property to run this test")] public void Compute_cells_update_value_when_dependencies_are_changed() { var sut = new Reactor(); var input = sut.CreateInputCell(1); var output = sut.CreateComputeCell(new[] { input }, inputs => inputs[0] + 1); input.Value = 3; Assert.Equal(4, output.Value); } [Fact(Skip = "Remove this Skip property to run this test")] public void Compute_cells_can_depend_on_other_compute_cells() { var sut = new Reactor(); var input = sut.CreateInputCell(1); var timesTwo = sut.CreateComputeCell(new[] { input }, inputs => inputs[0] * 2); var timesThirty = sut.CreateComputeCell(new[] { input }, inputs => inputs[0] * 30); var output = sut.CreateComputeCell(new[] { timesTwo, timesThirty }, inputs => inputs[0] + inputs[1]); Assert.Equal(32, output.Value); input.Value = 3; Assert.Equal(96, output.Value); } [Fact(Skip = "Remove this Skip property to run this test")] public void Compute_cells_fire_callbacks() { var sut = new Reactor(); var input = sut.CreateInputCell(1); var output = sut.CreateComputeCell(new[] { input }, inputs => inputs[0] + 1); var callback1 = A.Fake>(); output.Changed += callback1; input.Value = 3; A.CallTo(() => callback1.Invoke(A