<commit_before>// Copyright (c) ppy Pty Ltd <<EMAIL>>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.

using System;
using System.Linq;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Testing;
using osu.Game.Configuration;
using osu.Game.Rulesets.Mods;
using osu.Game.Screens.Play;
using osuTK.Input;

namespace osu.Game.Tests.Visual.Gameplay
{
    public class TestSceneHUDOverlay : ManualInputManagerTestScene
    {
        private HUDOverlay hudOverlay;

        // best way to check without exposing.
        private Drawable hideTarget => hudOverlay.KeyCounter;
        private FillFlowContainer<KeyCounter> keyCounterFlow => hudOverlay.KeyCounter.ChildrenOfType<FillFlowContainer<KeyCounter>>().First();

        [Resolved]
        private OsuConfigManager config { get; set; }

        [Test]
        public void TestShownByDefault()
        {
            createNew();

            AddAssert("showhud is set", () => hudOverlay.ShowHud.Value);

            AddAssert("hidetarget is visible", () => hideTarget.IsPresent);
            AddAssert("key counter flow is visible", () => keyCounterFlow.IsPresent);
            AddAssert("pause button is visible", () => hudOverlay.HoldToQuit.IsPresent);
        }

        [Test]
        public void TestFadesInOnLoadComplete()
        {
            float? initialAlpha = null;

            createNew(h => h.OnLoadComplete += _ => initialAlpha = hideTarget.Alpha);
            AddUntilStep("wait for load", () => hudOverlay.IsAlive);
            AddAssert("initial alpha was less than 1", () => initialAlpha != null && initialAlpha < 1);
        }

        [Test]
        public void TestHideExternally()
        {
            createNew();

            AddStep("set showhud false", () => hudOverlay.ShowHud.Value = false);

            AddUntilStep("hidetarget is hidden", () => !hideTarget.IsPresent);
            AddAssert("pause button is still visible", () => hudOverlay.HoldToQuit.IsPresent);

            // Key counter flow container should not be affected by this, only the key counter display will be hidden as checked above.
            AddAssert("key counter flow not affected", () => keyCounterFlow.IsPresent);
        }

        [Test]
        public void TestExternalHideDoesntAffectConfig()
        {
            bool originalConfigValue = false;

            createNew();

            AddStep("get original config value", () => originalConfigValue = config.Get<bool>(OsuSetting.ShowInterface));

            AddStep("set showhud false", () => hudOverlay.ShowHud.Value = false);
            AddAssert("config unchanged", () => originalConfigValue == config.Get<bool>(OsuSetting.ShowInterface));

            AddStep("set showhud true", () => hudOverlay.ShowHud.Value = true);
            AddAssert("config unchanged", () => originalConfigValue == config.Get<bool>(OsuSetting.ShowInterface));
        }

        [Test]
        public void TestChangeHUDVisibilityOnHiddenKeyCounter()
        {
            bool keyCounterVisibleValue = false;

            createNew();
            AddStep("save keycounter visible value", () => keyCounterVisibleValue = config.Get<bool>(OsuSetting.KeyOverlay));

            AddStep("set keycounter visible false", () =>
            {
                config.Set<bool>(OsuSetting.KeyOverlay, false);
                hudOverlay.KeyCounter.AlwaysVisible.Value = false;
            });

            AddStep("set showhud false", () => hudOverlay.ShowHud.Value = false);
            AddUntilStep("hidetarget is hidden", () => !hideTarget.IsPresent);
            AddAssert("key counters hidden", () => !keyCounterFlow.IsPresent);

            AddStep("set showhud true", () => hudOverlay.ShowHud.Value = true);
            AddUntilStep("hidetarget is visible", () => hideTarget.IsPresent);
            AddAssert("key counters still hidden", () => !keyCounterFlow.IsPresent);

            AddStep("return value", () => config.Set<bool>(OsuSetting.KeyOverlay, keyCounterVisibleValue));
        }

        private void createNew(Action<HUDOverlay> action = null)
        {
            AddStep("create overlay", () =>
            {
                Child = hudOverlay = new HUDOverlay(null, null, null, Array.Empty<Mod>());

                // Add any key just to display the key counter visually.
                hudOverlay.KeyCounter.Add(new KeyCounterKeyboard(Key.Space));

                action?.Invoke(hudOverlay);
            });
        }
    }
}<commit_msg>Update visual tests<commit_after>// Copyright (c) ppy Pty Ltd <<EMAIL>>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.

using System;
using System.Linq;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Testing;
using osu.Game.Configuration;
using osu.Game.Rulesets.Mods;
using osu.Game.Screens.Play;
using osuTK.Input;

namespace osu.Game.Tests.Visual.Gameplay
{
    public class TestSceneHUDOverlay : ManualInputManagerTestScene
    {
        private HUDOverlay hudOverlay;

        // best way to check without exposing.
        private Drawable hideTarget => hudOverlay.KeyCounter;
        private FillFlowContainer<KeyCounter> keyCounterFlow => hudOverlay.KeyCounter.ChildrenOfType<FillFlowContainer<KeyCounter>>().First();

        [Resolved]
        private OsuConfigManager config { get; set; }

        [Test]
        public void TestShownByDefault()
        {
            createNew();

            AddAssert("showhud is set", () => hudOverlay.ShowHud.Value);

            AddAssert("hidetarget is visible", () => hideTarget.IsPresent);
            AddAssert("key counter flow is visible", () => keyCounterFlow.IsPresent);
            AddAssert("pause button is visible", () => hudOverlay.HoldToQuit.IsPresent);
        }

        [Test]
        public void TestFadesInOnLoadComplete()
        {
            float? initialAlpha = null;

            createNew(h => h.OnLoadComplete += _ => initialAlpha = hideTarget.Alpha);
            AddUntilStep("wait for load", () => hudOverlay.IsAlive);
            AddAssert("initial alpha was less than 1", () => initialAlpha != null && initialAlpha < 1);
        }

        [Test]
        public void TestHideExternally()
        {
            createNew();

            AddStep("set showhud false", () => hudOverlay.ShowHud.Value = false);

            AddUntilStep("hidetarget is hidden", () => !hideTarget.IsPresent);
            AddAssert("pause button is still visible", () => hudOverlay.HoldToQuit.IsPresent);

            // Key counter flow container should not be affected by this, only the key counter display will be hidden as checked above.
            AddAssert("key counter flow not affected", () => keyCounterFlow.IsPresent);
        }

        [Test]
        public void TestExternalHideDoesntAffectConfig()
        {
            bool originalConfigValue = false;

            createNew();

            AddStep("get original config value", () => originalConfigValue = config.Get<bool>(OsuSetting.ShowInterface));

            AddStep("set showhud false", () => hudOverlay.ShowHud.Value = false);
            AddAssert("config unchanged", () => originalConfigValue == config.Get<bool>(OsuSetting.ShowInterface));

            AddStep("set showhud true", () => hudOverlay.ShowHud.Value = true);
            AddAssert("config unchanged", () => originalConfigValue == config.Get<bool>(OsuSetting.ShowInterface));
        }

        [Test]
        public void TestChangeHUDVisibilityOnHiddenKeyCounter()
        {
            bool keyCounterVisibleValue = false;

            createNew();
            AddStep("save keycounter visible value", () => keyCounterVisibleValue = config.Get<bool>(OsuSetting.KeyOverlay));

            AddStep("set keycounter visible false", () =>
            {
                config.Set<bool>(OsuSetting.KeyOverlay, false);
                hudOverlay.KeyCounter.AlwaysVisible.Value = false;
            });

            AddStep("set showhud false", () => hudOverlay.ShowHud.Value = false);
            AddUntilStep("hidetarget is hidden", () => !hideTarget.IsPresent);
            AddAssert("key counters hidden", () => !keyCounterFlow.IsPresent);

            AddStep("set showhud true", () => hudOverlay.ShowHud.Value = true);
            AddUntilStep("hidetarget is visible", () => hideTarget.IsPresent);
            AddAssert("key counters still hidden", () => !keyCounterFlow.IsPresent);

            AddStep("return value", () => config.Set<bool>(OsuSetting.KeyOverlay, keyCounterVisibleValue));
        }

        [Test]
        public void TestChangeHealthValue()
        {
            void applyToHealthDisplays(double value)
            {
                if (hudOverlay == null) return;

                hudOverlay.LowHealthDisplay.Current.Value = value;
                hudOverlay.HealthDisplay.Current.Value = value;
            }

            createNew();
            AddSliderStep("health value", 0, 1, 0.5, applyToHealthDisplays);

            AddStep("enable low health display", () =>
            {
                config.Set(OsuSetting.FadePlayfieldWhenLowHealth, true);
                hudOverlay.LowHealthDisplay.FinishTransforms(true);
            });
            AddAssert("low health display is visible", () => hudOverlay.LowHealthDisplay.IsPresent);
            AddStep("set health to 30%", () => applyToHealthDisplays(0.3));
            AddAssert("hud is not faded to red", () => !hudOverlay.LowHealthDisplay.Child.IsPresent);
            AddStep("set health to < 10%", () => applyToHealthDisplays(0.1f));
            AddAssert("hud is faded to red", () => hudOverlay.LowHealthDisplay.Child.IsPresent);
            AddStep("disable low health display", () =>
            {
                config.Set(OsuSetting.FadePlayfieldWhenLowHealth, false);
                hudOverlay.LowHealthDisplay.FinishTransforms(true);
            });
            AddAssert("low health display is not visible", () => !hudOverlay.LowHealthDisplay.IsPresent);
        }

        private void createNew(Action<HUDOverlay> action = null)
        {
            AddStep("create overlay", () =>
            {
                Child = hudOverlay = new HUDOverlay(null, null, null, Array.Empty<Mod>());

                // Add any key just to display the key counter visually.
                hudOverlay.KeyCounter.Add(new KeyCounterKeyboard(Key.Space));

                action?.Invoke(hudOverlay);
            });
        }
    }
}
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