Calculation Rewriting Part 2.3: Skill and Item parsing

PoESkillTree.Computation.Builders.Tests/Actions/ActionBuilderTest.cs

@@ -9,6 +9,7 @@
 using PoESkillTree.Computation.Common;
 using PoESkillTree.Computation.Common.Builders.Entities;
 using PoESkillTree.Computation.Common.Builders.Stats;
+using PoESkillTree.GameModel;
 
 namespace PoESkillTree.Computation.Builders.Tests.Actions
 {

PoESkillTree.Computation.Builders.Tests/Actions/ActionBuildersTest.cs

@@ -32,7 +32,7 @@ public void HitWithOnBuildsToCorrectResult()
         public void HitWithMultipleOnThrows()
         {
             var damageTypes = new[] { DamageType.Chaos, DamageType.Fire };
-            var damageTypeBuilder = Mock.Of<IDamageTypeBuilder>(b => b.BuildDamageTypes() == damageTypes);
+            var damageTypeBuilder = Mock.Of<IDamageTypeBuilder>(b => b.BuildDamageTypes(default) == damageTypes);
             var sut = CreateSut();
 
             var result = sut.HitWith(damageTypeBuilder).On.Build();

PoESkillTree.Computation.Builders.Tests/Behaviors/AffectedByModifiersToOtherStatValueTest.cs

@@ -0,0 +1,43 @@
+using System.Linq;
+using Moq;
+using NUnit.Framework;
+using PoESkillTree.Computation.Builders.Behaviors;
+using PoESkillTree.Computation.Builders.Stats;
+using PoESkillTree.Computation.Common;
+using PoESkillTree.Utils.Extensions;
+
+namespace PoESkillTree.Computation.Builders.Tests.Behaviors
+{
+    [TestFixture]
+    public class AffectedByModifiersToOtherStatValueTest
+    {
+        [TestCase(true, true)]
+        [TestCase(true, false)]
+        [TestCase(false, false)]
+        public void CalculateReturnsCorrectResult(bool formIsAffected, bool conditionStatValue)
+        {
+            var expected = (NodeValue?) 42;
+            var affectedForm = Form.Increase;
+            var retrievedForm = formIsAffected ? affectedForm : Form.BaseAdd;
+
+            var transformedStat = new Stat("transformed");
+            var otherStat = new Stat("other");
+            var conditionStat = new Stat("condition");
+            var expectedPaths = new (IStat, PathDefinition)[] { (transformedStat, PathDefinition.MainPath) }
+                .AsEnumerable();
+            if (formIsAffected && conditionStatValue)
+                expectedPaths = expectedPaths.Append((otherStat, PathDefinition.MainPath));
+
+            var context = Mock.Of<IValueCalculationContext>(c =>
+                c.GetValues(retrievedForm, expectedPaths) == new[] { expected } &&
+                c.GetValue(conditionStat, NodeType.Total, PathDefinition.MainPath) == (NodeValue?) conditionStatValue);
+            var transformedValue = new FunctionalValue(c => c.GetValues(retrievedForm, transformedStat).Sum(), "");
+            var sut = new AffectedByModifiersToOtherStatValue(transformedStat, otherStat, conditionStat, affectedForm,
+                transformedValue);
+
+            var actual = sut.Calculate(context);
+
+            Assert.AreEqual(expected, actual);
+        }
+    }
+}

PoESkillTree.Computation.Builders.Tests/Behaviors/DamageEffectivenessBaseValueTest.cs

@@ -0,0 +1,75 @@
+using System;
+using Moq;
+using NUnit.Framework;
+using PoESkillTree.Computation.Builders.Behaviors;
+using PoESkillTree.Computation.Builders.Stats;
+using PoESkillTree.Computation.Common;
+
+namespace PoESkillTree.Computation.Builders.Tests.Behaviors
+{
+    [TestFixture]
+    public class DamageEffectivenessBaseValueTest
+    {
+        [TestCase(null, null)]
+        [TestCase(1.5, 2)]
+        public void CalculateReturnsCorrectResult(double? baseSetEffectiveness, double? baseAddEffectiveness)
+        {
+            var baseSet = (NodeValue?) 2;
+            var baseAdd = (NodeValue?) 3;
+            var expected = baseSet * (baseSetEffectiveness ?? 1) + baseAdd * (baseAddEffectiveness ?? 1);
+
+            var context = Mock.Of<IValueCalculationContext>(c =>
+                c.GetValue(TransformedStat, NodeType.BaseSet, PathDefinition.MainPath) == baseSet &&
+                c.GetValue(TransformedStat, NodeType.BaseAdd, PathDefinition.MainPath) == baseAdd &&
+                c.GetValue(SetEffectivenessStat, NodeType.Total, PathDefinition.MainPath) ==
+                (NodeValue?) baseSetEffectiveness &&
+                c.GetValue(AddEffectivenessStat, NodeType.Total, PathDefinition.MainPath) ==
+                (NodeValue?) baseAddEffectiveness);
+            var sut = CreateSut(
+                c => c.GetValue(TransformedStat, NodeType.BaseSet) + c.GetValue(TransformedStat, NodeType.BaseAdd));
+
+            var actual = sut.Calculate(context);
+
+            Assert.AreEqual(expected, actual);
+        }
+
+        [Test]
+        public void CalculateDoesNotTransformOtherForms()
+        {
+            var expected = (NodeValue?) 42;
+            var context = Mock.Of<IValueCalculationContext>(c =>
+                c.GetValue(TransformedStat, NodeType.Increase, PathDefinition.MainPath) == expected &&
+                c.GetValue(SetEffectivenessStat, NodeType.Total, PathDefinition.MainPath) == (NodeValue?) 2 &&
+                c.GetValue(AddEffectivenessStat, NodeType.Total, PathDefinition.MainPath) == (NodeValue?) 2);
+            var sut = CreateSut(c => c.GetValue(TransformedStat, NodeType.Increase));
+
+            var actual = sut.Calculate(context);
+
+            Assert.AreEqual(expected, actual);
+        }
+
+        [Test]
+        public void CalculateDoesNotTransformOtherStats()
+        {
+            var expected = (NodeValue?) 42;
+            var otherStat = new Stat("other");
+            var context = Mock.Of<IValueCalculationContext>(c =>
+                c.GetValue(otherStat, NodeType.BaseSet, PathDefinition.MainPath) == expected &&
+                c.GetValue(SetEffectivenessStat, NodeType.Total, PathDefinition.MainPath) == (NodeValue?) 2 &&
+                c.GetValue(AddEffectivenessStat, NodeType.Total, PathDefinition.MainPath) == (NodeValue?) 2);
+            var sut = CreateSut(c => c.GetValue(otherStat, NodeType.BaseSet));
+
+            var actual = sut.Calculate(context);
+
+            Assert.AreEqual(expected, actual);
+        }
+
+        private static DamageEffectivenessBaseValue CreateSut(Func<IValueCalculationContext, NodeValue?> baseCalculate)
+            => new DamageEffectivenessBaseValue(TransformedStat, SetEffectivenessStat, AddEffectivenessStat,
+                new FunctionalValue(baseCalculate, ""));
+
+        private static readonly IStat TransformedStat = new Stat("transformed");
+        private static readonly IStat SetEffectivenessStat = new Stat("setEffectiveness");
+        private static readonly IStat AddEffectivenessStat = new Stat("addEffectiveness");
+    }
+}

PoESkillTree.Computation.Builders.Tests/Behaviors/MaximumFormAggregatingValueTest.cs

@@ -0,0 +1,95 @@
+using System;
+using System.Linq;
+using Moq;
+using NUnit.Framework;
+using PoESkillTree.Computation.Builders.Behaviors;
+using PoESkillTree.Computation.Builders.Stats;
+using PoESkillTree.Computation.Common;
+
+namespace PoESkillTree.Computation.Builders.Tests.Behaviors
+{
+    [TestFixture]
+    public class MaximumFormAggregatingValueTest
+    {
+        [Test]
+        public void CalculateReturnsNullWithOnlyNullValues()
+        {
+            var sut = CreateSut();
+            var context = MockContext(null, null);
+
+            var actual = sut.Calculate(context);
+
+            Assert.IsNull(actual);
+        }
+
+        [TestCase(0, ExpectedResult = 0)]
+        [TestCase(0, null, 1, 3, 4, 2, ExpectedResult = 4)]
+        public double CalculateReturnsCorrectResult(params int?[] values)
+        {
+            var sut = CreateSut();
+            var context = MockContext(values);
+
+            var actual = sut.Calculate(context);
+
+            return actual.Single();
+        }
+
+        [Test]
+        public void CalculateChecksForSameForm()
+        {
+            var transformedValue = new FunctionalValue(c => c.GetValues(Form.BaseSet, Paths).First(), "");
+            var sut = CreateSut(Stat, Form.More, transformedValue);
+            var context = MockContext(2, 4);
+
+            var actual = sut.Calculate(context);
+
+            Assert.AreEqual(2, actual.Single());
+        }
+
+        [Test]
+        public void CalculateChecksForSameSta()
+        {
+            var transformedValue = new FunctionalValue(c => c.GetValues(Form.BaseSet, Paths).First(), "");
+            var sut = CreateSut(new Stat("a"), Form.BaseSet, transformedValue);
+            var context = MockContext(2, 4);
+
+            var actual = sut.Calculate(context);
+
+            Assert.AreEqual(2, actual.Single());
+        }
+
+        [Test]
+        public void CalculateThrowsIfPathsContainsSameAndDifferentStats()
+        {
+            var paths = new[] { (Stat, PathDefinition.MainPath), (new Stat("a"), PathDefinition.MainPath) };
+            var transformedValue = new FunctionalValue(c => c.GetValues(Form.BaseSet, paths).Single(), "");
+            var sut = CreateSut(Stat, Form.BaseSet, transformedValue);
+            var nodeValues = new NodeValue?[0];
+            var context = Mock.Of<IValueCalculationContext>(c => c.GetValues(Form.BaseSet, paths) == nodeValues);
+
+            Assert.Throws<InvalidOperationException>(() => sut.Calculate(context));
+        }
+
+        private static readonly IStat Stat = new Stat("s");
+
+        private static readonly (IStat, PathDefinition)[] Paths =
+        {
+            (Stat, PathDefinition.MainPath), (Stat, new PathDefinition(new ModifierSource.Local.Given()))
+        };
+
+        private static MaximumFormAggregatingValue CreateSut()
+        {
+            var transformedValue = new FunctionalValue(c => c.GetValues(Form.BaseSet, Paths).Single(), "");
+            return CreateSut(Stat, Form.BaseSet, transformedValue);
+        }
+
+        private static MaximumFormAggregatingValue CreateSut(IStat stat, Form form, IValue transformedValue)
+            => new MaximumFormAggregatingValue(stat, form, transformedValue);
+
+        private static IValueCalculationContext MockContext(params int?[] values)
+        {
+            var nodeValues = values.Select(v => (NodeValue?) v);
+            return Mock.Of<IValueCalculationContext>(c => c.GetValues(Form.BaseSet, Paths) == nodeValues);
+        }
+    }
+}

PoESkillTree.Computation.Builders.Tests/Behaviors/RequirementUncappedSubtotalValueTest.cs

@@ -0,0 +1,39 @@
+using System.Linq;
+using Moq;
+using NUnit.Framework;
+using PoESkillTree.Computation.Builders.Behaviors;
+using PoESkillTree.Computation.Builders.Stats;
+using PoESkillTree.Computation.Common;
+using PoESkillTree.GameModel.Items;
+
+namespace PoESkillTree.Computation.Builders.Tests.Behaviors
+{
+    [TestFixture]
+    public class RequirementUncappedSubtotalValueTest
+    {
+        [TestCase(-1.0, null, 1.0)]
+        [TestCase(42.0, 43.0, 41.0, 43.0, 40.0)]
+        public void CalculateReturnsCorrectResult(params double?[] values)
+        {
+            var expected = (NodeValue?) values.Max();
+            var transformedStat = new Stat("transformed");
+            var paths = values
+                .Select((_, i) => new PathDefinition(new ModifierSource.Local.Gem(ItemSlot.Helm, i)))
+                .ToList();
+            var contextMock = new Mock<IValueCalculationContext>();
+            contextMock.Setup(c => c.GetPaths(transformedStat)).Returns(paths);
+            for (var i = 0; i < paths.Count; i++)
+            {
+                var path = paths[i];
+                contextMock.Setup(c => c.GetValue(transformedStat, NodeType.PathTotal, path))
+                    .Returns((NodeValue?) values[i]);
+            }
+            var transformedValue = new FunctionalValue(c => c.GetValues(transformedStat, NodeType.PathTotal).Sum(), "");
+            var sut = new RequirementUncappedSubtotalValue(transformedStat, transformedValue);
+
+            var actual = sut.Calculate(contextMock.Object);
+
+            Assert.AreEqual(expected, actual);
+        }
+    }
+}

PoESkillTree.Computation.Builders.Tests/Buffs/BuffBuilderCollectionTest.cs

@@ -11,6 +11,8 @@
 using PoESkillTree.Computation.Common;
 using PoESkillTree.Computation.Common.Builders.Buffs;
 using PoESkillTree.Computation.Common.Builders.Skills;
+using PoESkillTree.GameModel;
+using PoESkillTree.GameModel.Skills;
 
 namespace PoESkillTree.Computation.Builders.Tests.Buffs
 {
@@ -22,7 +24,7 @@ public void EffectBuildsToCorrectResults()
         {
             var sut = CreateSut(3);
 
-            var stats = sut.Effect.BuildToSingleResult().Stats;
+            var stats = sut.Effect.BuildToStats();
 
             Assert.That(stats, Has.Exactly(3).Items);
             Assert.AreEqual($"b0.EffectOn({default(Entity)})", stats[0].Identity);
@@ -36,7 +38,7 @@ public void AddStatBuildsToCorrectResult()
             var addedStat = StatBuilderUtils.FromIdentity(StatFactory, "s", null);
             var sut = CreateSut(3);
 
-            var stats = sut.AddStat(addedStat).BuildToSingleResult().Stats;
+            var stats = sut.AddStat(addedStat).BuildToStats();
 
             Assert.That(stats, Has.Exactly(3).Items);
             Assert.AreEqual("s", stats[0].Identity);
@@ -61,7 +63,7 @@ public void WithBuildsToCorrectResult()
             var keyword = KeywordBuilder(1);
             var sut = CreateSut(3);
 
-            var stats = sut.With(keyword).Effect.BuildToSingleResult().Stats;
+            var stats = sut.With(keyword).Effect.BuildToStats();
 
             Assert.That(stats, Has.Exactly(2).Items);
             Assert.AreEqual($"b0.EffectOn({default(Entity)})", stats[0].Identity);
@@ -99,7 +101,7 @@ public void WithResolveEffectBuildsToCorrectResult()
             var sut = CreateSut(3);
 
             var resolved = (IBuffBuilderCollection) sut.With(unresolved).Resolve(null);
-            var stats = resolved.Effect.BuildToSingleResult().Stats;
+            var stats = resolved.Effect.BuildToStats();
 
             Assert.That(stats, Has.Exactly(2).Items);
         }
@@ -125,7 +127,7 @@ public void WithEffectResolveBuildsToCorrectResult()
             var sut = CreateSut(3);
 
             var resolved = sut.With(unresolved).Effect.Resolve(null);
-            var stats = resolved.BuildToSingleResult().Stats;
+            var stats = resolved.BuildToStats();
 
             Assert.That(stats, Has.Exactly(2).Items);
         }

PoESkillTree.Computation.Builders.Tests/Buffs/BuffBuilderTest.cs

@@ -3,10 +3,13 @@
 using NUnit.Framework;
 using PoESkillTree.Computation.Builders.Buffs;
 using PoESkillTree.Computation.Builders.Entities;
+using PoESkillTree.Computation.Builders.Resolving;
 using PoESkillTree.Computation.Builders.Stats;
 using PoESkillTree.Computation.Builders.Tests.Stats;
 using PoESkillTree.Computation.Builders.Values;
 using PoESkillTree.Computation.Common;
+using PoESkillTree.Computation.Common.Builders.Resolving;
+using PoESkillTree.GameModel;
 
 namespace PoESkillTree.Computation.Builders.Tests.Buffs
 {
@@ -78,6 +81,19 @@ public void AddStatBuildsToCorrectResultIfNotAsBuffActive()
             Assert.AreEqual(expectedValue, actualValue);
         }
 
+        [Test]
+        public void AddStatResolveResolvesIdentity()
+        {
+            var expectedIdentity = "buff";
+            var statBuilder = StatBuilderUtils.FromIdentity(StatFactory, "stat", null);
+            var resolveContext = new ResolveContext(null, null);
+            var sut = new BuffBuilder(StatFactory, new UnresolvedCoreBuilder<string>("unresolved",
+                c => CoreBuilder.Create(expectedIdentity)));
+
+            var builder = sut.AddStat(statBuilder).Resolve(resolveContext);
+            var value = builder.BuildToSingleResult().ValueConverter(new ValueBuilderImpl(1));
+        }
+
         private static BuffBuilder CreateSut() =>
             new BuffBuilder(StatFactory, CoreBuilder.Create("test"));