public void TestChangeModelDuringLoad(bool hasIntermediate)
{
TestDrawableModel firstModel = null;
TestDrawableModel secondModel = null;
TestDrawableModel thirdModel = null;
AddStep("setup", () =>
{
createModelBackedDrawable(hasIntermediate);
backedDrawable.Model = new TestModel(firstModel = new TestDrawableModel(1).With(d => d.AllowLoad.Set()));
});
assertDrawableVisibility(1, () => firstModel);
AddStep("set second model", () => backedDrawable.Model = new TestModel(secondModel = new TestDrawableModel(2)));
assertIntermediateVisibility(hasIntermediate, () => firstModel);
AddStep("set third model", () => backedDrawable.Model = new TestModel(thirdModel = new TestDrawableModel(3)));
assertIntermediateVisibility(hasIntermediate, () => firstModel);
AddStep("allow second model to load", () => secondModel.AllowLoad.Set());
assertIntermediateVisibility(hasIntermediate, () => firstModel);
AddStep("allow third model to load", () => thirdModel.AllowLoad.Set());
assertDrawableVisibility(3, () => thirdModel);
}
public void TestSetNullModel(bool withPlaceholder, bool fadeOutImmediately)
{
TestDrawableModel drawableModel = null;
AddStep("setup", () => createModelBackedDrawable(withPlaceholder, fadeOutImmediately));
AddStep("set model", () =>
{
backedDrawable.Model = new TestModel(drawableModel = new TestDrawableModel(1));
drawableModel.AllowLoad.Set();
});
AddUntilStep("model is displayed", () => backedDrawable.DisplayedDrawable == drawableModel);
AddStep("set null model", () => backedDrawable.Model = null);
if (withPlaceholder)
{
AddAssert("placeholder displayed", () => backedDrawable.DisplayedDrawable is TestPlaceholder);
}
else
{
AddAssert("no drawable displayed", () => backedDrawable.DisplayedDrawable == null);
}
}
public void TestModelDefaultState()
{
TestDrawableModel drawableModel = null;
AddStep("setup", () =>
{
createModelBackedDrawable(false);
backedDrawable.Model = new TestModel(drawableModel = new TestDrawableModel(1).With(d => d.AllowLoad.Set()));
});
assertDrawableVisibility(1, () => drawableModel);
}
private void addUsageSteps()
{
TestDrawableModel drawableModel = null;
AddStep("load first model", () => backedDrawable.Model = new TestModel(drawableModel = new TestDrawableModel()));
AddWaitStep("wait a bit", 5);
AddStep("finish load", () => drawableModel.AllowLoad.Set());
AddWaitStep("wait a bit", 5);
AddStep("load second model", () => backedDrawable.Model = new TestModel(drawableModel = new TestDrawableModel()));
AddWaitStep("wait a bit", 5);
AddStep("finish load", () => drawableModel.AllowLoad.Set());
}
public void TestSetNullModel()
{
TestDrawableModel drawableModel = null;
AddStep("setup", () =>
{
createModelBackedDrawable(false, true);
backedDrawable.Model = new TestModel(drawableModel = new TestDrawableModel(1).With(d => d.AllowLoad.Set()));
});
assertDrawableVisibility(1, () => drawableModel);
AddStep("set null model", () => backedDrawable.Model = null);
AddUntilStep("null model shown", () => backedDrawable.DisplayedDrawable is TestNullDrawableModel);
}
public void TestSequentialDelayedLoad(bool withPlaceholder, bool fadeOutImmediately)
{
const int model_count = 3;
var drawableModels = new List <TestDrawableModel>(model_count);
AddStep("setup", () =>
{
drawableModels.Clear();
createModelBackedDrawable(withPlaceholder, fadeOutImmediately);
});
for (int i = 0; i < model_count; i++)
{
int localI = i;
AddStep($"set model {i + 1}", () =>
{
var model = new TestDrawableModel(localI + 1);
drawableModels.Add(model);
backedDrawable.Model = new TestModel(model);
});
}
// Due to potential left-over threading from elsewhere, we may have to wait for all models to get into a loading state
AddUntilStep("all loading", () => drawableModels.TrueForAll(d => d.LoadState == LoadState.Loading));
for (int i = 0; i < model_count - 1; i++)
{
int localI = i;
AddStep($"allow model {i + 1} to load", () => drawableModels[localI].AllowLoad.Set());
AddWaitStep("wait for potential load", 5);
if (withPlaceholder)
{
AddAssert("placeholder displayed", () => backedDrawable.DisplayedDrawable is TestPlaceholder);
}
else
{
AddAssert("no model displayed", () => backedDrawable.DisplayedDrawable == null);
}
AddAssert($"model {i + 1} not loaded", () => !drawableModels[localI].IsLoaded);
}
AddStep($"allow model {model_count} to load", () => drawableModels[model_count - 1].AllowLoad.Set());
AddUntilStep($"model {model_count} displayed", () => backedDrawable.DisplayedDrawable == drawableModels[model_count - 1]);
}
public void TestIntermediaryPlaceholder(bool withPlaceholder, bool fadeOutImmediately)
{
TestDrawableModel firstModel = null;
TestDrawableModel secondModel = null;
AddStep("setup", () => createModelBackedDrawable(withPlaceholder, fadeOutImmediately));
AddStep("set first model", () => backedDrawable.Model = new TestModel(firstModel = new TestDrawableModel(1)));
if (withPlaceholder)
{
AddAssert("placeholder is displayed", () => backedDrawable.DisplayedDrawable is TestPlaceholder);
}
else
{
AddAssert("nothing displayed", () => backedDrawable.DisplayedDrawable == null);
}
AddStep("allow first model to load", () => firstModel.AllowLoad.Set());
AddUntilStep("first model displayed", () => backedDrawable.DisplayedDrawable == firstModel);
AddStep("set second model", () => backedDrawable.Model = new TestModel(secondModel = new TestDrawableModel(2)));
if (fadeOutImmediately)
{
if (withPlaceholder)
{
AddAssert("placeholder is displayed", () => backedDrawable.DisplayedDrawable is TestPlaceholder);
}
else
{
AddAssert("nothing displayed", () => backedDrawable.DisplayedDrawable == null);
}
}
else
{
AddAssert("first model still displayed", () => backedDrawable.DisplayedDrawable == firstModel);
}
AddStep("allow second model to load", () => secondModel.AllowLoad.Set());
AddUntilStep("second model displayed", () => backedDrawable.DisplayedDrawable == secondModel);
}
public void TestMultipleLoadDisplaysSinglePlaceholder(bool withPlaceholder, bool fadeOutImmediately)
{
TestDrawableModel firstModel = null;
TestDrawableModel secondModel = null;
Drawable placeholder = null;
AddStep("setup", () => createModelBackedDrawable(withPlaceholder, fadeOutImmediately));
AddStep("set first model", () =>
{
backedDrawable.Model = new TestModel(firstModel = new TestDrawableModel(1));
placeholder = backedDrawable.DisplayedDrawable;
});
AddStep("set second model", () => backedDrawable.Model = new TestModel(secondModel = new TestDrawableModel(2)));
AddAssert("first placeholder still displayed", () => backedDrawable.DisplayedDrawable == placeholder);
AddStep("allow first model to load", () => firstModel.AllowLoad.Set());
AddAssert("first placeholder still displayed", () => backedDrawable.DisplayedDrawable == placeholder);
AddStep("allow second model to load", () => secondModel.AllowLoad.Set());
AddUntilStep("second model displayed", () => backedDrawable.DisplayedDrawable == secondModel);
}
public void TestInsideBufferedContainer()
{
TestDrawableModel drawableModel = null;
AddStep("setup", () =>
{
Child = new BufferedContainer
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Size = new Vector2(200),
Child = backedDrawable = new TestModelBackedDrawable
{
RelativeSizeAxes = Axes.Both,
HasIntermediate = false,
ShowNullModel = false,
Model = new TestModel(drawableModel = new TestDrawableModel(1).With(d => d.AllowLoad.Set()))
}
};
});
assertDrawableVisibility(1, () => drawableModel);
}
public TestModel(TestDrawableModel drawableModel)
{
DrawableModel = drawableModel;
}
public TestModel(TestDrawableModel drawable)
{
Drawable = drawable;
}