public void GivenConfigWithoutD_ClearingDReturnsFalse()
{
// Arrange
using var scen = MergeThreeFilesScenario.Setup(nameof(WhenRootTableClearsD_DDoesNotExistInFileOrInMemoryTable));
var cfg = scen.Load();
cfg.Clear(c => c.D);
// Act
bool r = cfg.Clear(c => c.D);
// Assert
r.Should().BeFalse();
}
public void GivenConfigWithAInMachineAndUser_WhenClearingOnce_MachineAIsFetchedAfterwards()
{
// Arrange
using var scen = MergeThreeFilesScenario.Setup(nameof(WhenRootTableClearsD_DDoesNotExistInFileOrInMemoryTable));
var cfg = scen.Load();
cfg.Get(c => c.A).ItemVal.Should().Be("user");
// Act
var r = cfg.Clear(c => c.A);
// Assert
r.Should().BeTrue();
cfg.Get(c => c.A).ItemVal.Should().Be("machine");
}
public void GivenConfigWithAInMachineAndUser_WhenClearingOnceFromAllSources_AIsCompletelyGone()
{
// Arrange
using var scen = MergeThreeFilesScenario.Setup(nameof(WhenRootTableClearsD_DDoesNotExistInFileOrInMemoryTable));
var cfg = scen.Load();
cfg.Get(c => c.A).ItemVal.Should().Be("user");
// Act
var r = cfg.Clear(c => c.A, fromAllSources: true);
// Assert
Action a = () => cfg.Get(c => c.A);
a.ShouldThrow <KeyNotFoundException>();
}
public void WhenRootTableClearsD_DDoesNotExistInFileOrInMemoryTable()
{
// Arrange
using var scen = MergeThreeFilesScenario.Setup(nameof(WhenRootTableClearsD_DDoesNotExistInFileOrInMemoryTable));
var cfg = scen.Load();
// Act
bool r = cfg.Clear(c => c.D);
// Assert
r.Should().BeTrue();
var expected = MergeThreeFilesScenario.GetToml(('C', "local"));
File.ReadAllText(scen.LocalFile).Should().BeAfterTransforms(StringTransformForComparison, expected);
Action a = () => cfg.Get(c => c.D);
a.ShouldThrow <KeyNotFoundException>();
}
