Merge pull request #516 from Mutagen-Modding/514-lower-range-id-impro…

…vements

514 lower range id improvements

Mutagen.Bethesda.Core.UnitTests/Placeholders/TestMod.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics;
 using System.IO.Abstractions;
 using Loqui;
 using Mutagen.Bethesda.Plugins;
@@ -29,6 +30,8 @@ public class TestMod : ITestMod, IDisposable
 
     IReadOnlyList<IMasterReferenceGetter> IModGetter.MasterReferences => throw new NotImplementedException();
 
+    public uint MinimumCustomFormID(bool? forceUseLowerFormIDRanges = null) => throw new NotImplementedException();
+
     public bool CanUseLocalization { get; }
     public bool UsingLocalization { get; set; }
 

Mutagen.Bethesda.Core.UnitTests/Plugins/HeaderVersionHelperTests.cs

@@ -0,0 +1,137 @@
+using FluentAssertions;
+using Mutagen.Bethesda.Plugins.Utility;
+using Noggog.Testing.AutoFixture;
+using Xunit;
+
+namespace Mutagen.Bethesda.UnitTests.Plugins;
+
+public class HeaderVersionHelperTests
+{
+    [Theory, DefaultAutoData]
+    public void ForceLower(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion + 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(800);
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion + 1,
+            forceUseLowerFormIDRanges: true,
+            higherFormIdRange: 800)
+            .Should().Be(1);
+    }
+
+    [Theory, DefaultAutoData]
+    public void ForceHigher(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion - 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(1);
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion - 1,
+            forceUseLowerFormIDRanges: false,
+            higherFormIdRange: 800)
+            .Should().Be(800);
+    }
+
+    [Theory, DefaultAutoData]
+    public void HeaderVersionToUseLowerRelease(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion - 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(1);
+    }
+
+    [Theory, DefaultAutoData]
+    public void HeaderVersionToUseHigherRelease(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion + 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(800);
+    }
+
+    [Theory, DefaultAutoData]
+    public void AllowedRelease(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: new HashSet<GameRelease>()
+            {
+                release
+            },
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion - 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(1);
+    }
+
+    [Theory, DefaultAutoData]
+    public void DisallowedRelease(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: new HashSet<GameRelease>()
+            {
+            },
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion - 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(800);
+    }
+
+    [Theory, DefaultAutoData]
+    public void ForceUseLowerRangesWithNoListedLowerVersion(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: new HashSet<GameRelease>()
+            {
+            },
+            headerVersion: headerVersion,
+            useLowerRangesVersion: null,
+            forceUseLowerFormIDRanges: true,
+            higherFormIdRange: 800)
+            .Should().Be(1);
+    }
+}