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Diffstat (limited to 'src/StardewModdingAPI.Tests/Core/ModResolverTests.cs')
| -rw-r--r-- | src/StardewModdingAPI.Tests/Core/ModResolverTests.cs | 556 |
1 files changed, 556 insertions, 0 deletions
diff --git a/src/StardewModdingAPI.Tests/Core/ModResolverTests.cs b/src/StardewModdingAPI.Tests/Core/ModResolverTests.cs new file mode 100644 index 00000000..fc84ca29 --- /dev/null +++ b/src/StardewModdingAPI.Tests/Core/ModResolverTests.cs @@ -0,0 +1,556 @@ +using System; +using System.Collections.Generic; +using System.IO; +using System.Linq; +using Moq; +using Newtonsoft.Json; +using NUnit.Framework; +using StardewModdingAPI.Framework; +using StardewModdingAPI.Framework.Models; +using StardewModdingAPI.Framework.ModLoading; +using StardewModdingAPI.Framework.Serialisation; + +namespace StardewModdingAPI.Tests.Core +{ + /// <summary>Unit tests for <see cref="ModResolver"/>.</summary> + [TestFixture] + public class ModResolverTests + { + /********* + ** Unit tests + *********/ + /**** + ** ReadManifests + ****/ + [Test(Description = "Assert that the resolver correctly returns an empty list if there are no mods installed.")] + public void ReadBasicManifest_NoMods_ReturnsEmptyList() + { + // arrange + string rootFolder = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N")); + Directory.CreateDirectory(rootFolder); + + // act + IModMetadata[] mods = new ModResolver().ReadManifests(rootFolder, new JsonHelper(), new ModCompatibility[0], new DisabledMod[0]).ToArray(); + + // assert + Assert.AreEqual(0, mods.Length, 0, $"Expected to find zero manifests, found {mods.Length} instead."); + } + + [Test(Description = "Assert that the resolver correctly returns a failed metadata if there's an empty mod folder.")] + public void ReadBasicManifest_EmptyModFolder_ReturnsFailedManifest() + { + // arrange + string rootFolder = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N")); + string modFolder = Path.Combine(rootFolder, Guid.NewGuid().ToString("N")); + Directory.CreateDirectory(modFolder); + + // act + IModMetadata[] mods = new ModResolver().ReadManifests(rootFolder, new JsonHelper(), new ModCompatibility[0], new DisabledMod[0]).ToArray(); + IModMetadata mod = mods.FirstOrDefault(); + + // assert + Assert.AreEqual(1, mods.Length, 0, $"Expected to find one manifest, found {mods.Length} instead."); + Assert.AreEqual(ModMetadataStatus.Failed, mod.Status, "The mod metadata was not marked failed."); + Assert.IsNotNull(mod.Error, "The mod metadata did not have an error message set."); + } + + [Test(Description = "Assert that the resolver correctly reads manifest data from a randomised file.")] + public void ReadBasicManifest_CanReadFile() + { + // create manifest data + IDictionary<string, object> originalDependency = new Dictionary<string, object> + { + [nameof(IManifestDependency.UniqueID)] = Sample.String() + }; + IDictionary<string, object> original = new Dictionary<string, object> + { + [nameof(IManifest.Name)] = Sample.String(), + [nameof(IManifest.Author)] = Sample.String(), + [nameof(IManifest.Version)] = new SemanticVersion(Sample.Int(), Sample.Int(), Sample.Int(), Sample.String()), + [nameof(IManifest.Description)] = Sample.String(), + [nameof(IManifest.UniqueID)] = $"{Sample.String()}.{Sample.String()}", + [nameof(IManifest.EntryDll)] = $"{Sample.String()}.dll", + [nameof(IManifest.MinimumApiVersion)] = $"{Sample.Int()}.{Sample.Int()}-{Sample.String()}", + [nameof(IManifest.Dependencies)] = new[] { originalDependency }, + ["ExtraString"] = Sample.String(), + ["ExtraInt"] = Sample.Int() + }; + + // write to filesystem + string rootFolder = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N")); + string modFolder = Path.Combine(rootFolder, Guid.NewGuid().ToString("N")); + string filename = Path.Combine(modFolder, "manifest.json"); + Directory.CreateDirectory(modFolder); + File.WriteAllText(filename, JsonConvert.SerializeObject(original)); + + // act + IModMetadata[] mods = new ModResolver().ReadManifests(rootFolder, new JsonHelper(), new ModCompatibility[0], new DisabledMod[0]).ToArray(); + IModMetadata mod = mods.FirstOrDefault(); + + // assert + Assert.AreEqual(1, mods.Length, 0, "Expected to find one manifest."); + Assert.IsNotNull(mod, "The loaded manifest shouldn't be null."); + Assert.AreEqual(null, mod.Compatibility, "The compatibility record should be null since we didn't provide one."); + Assert.AreEqual(modFolder, mod.DirectoryPath, "The directory path doesn't match."); + Assert.AreEqual(ModMetadataStatus.Found, mod.Status, "The status doesn't match."); + Assert.AreEqual(null, mod.Error, "The error should be null since parsing should have succeeded."); + + Assert.AreEqual(original[nameof(IManifest.Name)], mod.DisplayName, "The display name should use the manifest name."); + Assert.AreEqual(original[nameof(IManifest.Name)], mod.Manifest.Name, "The manifest's name doesn't match."); + Assert.AreEqual(original[nameof(IManifest.Author)], mod.Manifest.Author, "The manifest's author doesn't match."); + Assert.AreEqual(original[nameof(IManifest.Description)], mod.Manifest.Description, "The manifest's description doesn't match."); + Assert.AreEqual(original[nameof(IManifest.EntryDll)], mod.Manifest.EntryDll, "The manifest's entry DLL doesn't match."); + Assert.AreEqual(original[nameof(IManifest.MinimumApiVersion)], mod.Manifest.MinimumApiVersion?.ToString(), "The manifest's minimum API version doesn't match."); + Assert.AreEqual(original[nameof(IManifest.Version)]?.ToString(), mod.Manifest.Version?.ToString(), "The manifest's version doesn't match."); + + Assert.IsNotNull(mod.Manifest.ExtraFields, "The extra fields should not be null."); + Assert.AreEqual(2, mod.Manifest.ExtraFields.Count, "The extra fields should contain two values."); + Assert.AreEqual(original["ExtraString"], mod.Manifest.ExtraFields["ExtraString"], "The manifest's extra fields should contain an 'ExtraString' value."); + Assert.AreEqual(original["ExtraInt"], mod.Manifest.ExtraFields["ExtraInt"], "The manifest's extra fields should contain an 'ExtraInt' value."); + + Assert.IsNotNull(mod.Manifest.Dependencies, "The dependencies field should not be null."); + Assert.AreEqual(1, mod.Manifest.Dependencies.Length, "The dependencies field should contain one value."); + Assert.AreEqual(originalDependency[nameof(IManifestDependency.UniqueID)], mod.Manifest.Dependencies[0].UniqueID, "The first dependency's unique ID doesn't match."); + } + + /**** + ** ValidateManifests + ****/ + [Test(Description = "Assert that validation doesn't fail if there are no mods installed.")] + public void ValidateManifests_NoMods_DoesNothing() + { + new ModResolver().ValidateManifests(new ModMetadata[0], apiVersion: new SemanticVersion("1.0")); + } + + [Test(Description = "Assert that validation skips manifests that have already failed without calling any other properties.")] + public void ValidateManifests_Skips_Failed() + { + // arrange + Mock<IModMetadata> mock = this.GetMetadata("Mod A"); + mock.Setup(p => p.Status).Returns(ModMetadataStatus.Failed); + + // act + new ModResolver().ValidateManifests(new[] { mock.Object }, apiVersion: new SemanticVersion("1.0")); + + // assert + mock.VerifyGet(p => p.Status, Times.Once, "The validation did not check the manifest status."); + } + + [Test(Description = "Assert that validation fails if the mod has 'assume broken' compatibility.")] + public void ValidateManifests_ModCompatibility_AssumeBroken_Fails() + { + // arrange + Mock<IModMetadata> mock = this.GetMetadata("Mod A", new string[0], allowStatusChange: true); + this.SetupMetadataForValidation(mock, new ModCompatibility { Compatibility = ModCompatibilityType.AssumeBroken, UpperVersion = new SemanticVersion("1.0"), UpdateUrls = new[] { "http://example.org" }}); + + // act + new ModResolver().ValidateManifests(new[] { mock.Object }, apiVersion: new SemanticVersion("1.0")); + + // assert + mock.Verify(p => p.SetStatus(ModMetadataStatus.Failed, It.IsAny<string>()), Times.Once, "The validation did not fail the metadata."); + } + + [Test(Description = "Assert that validation fails when the minimum API version is higher than the current SMAPI version.")] + public void ValidateManifests_MinimumApiVersion_Fails() + { + // arrange + Mock<IModMetadata> mock = this.GetMetadata("Mod A", new string[0], allowStatusChange: true); + mock.Setup(p => p.Manifest).Returns(this.GetManifest(m => m.MinimumApiVersion = new SemanticVersion("1.1"))); + this.SetupMetadataForValidation(mock); + + // act + new ModResolver().ValidateManifests(new[] { mock.Object }, apiVersion: new SemanticVersion("1.0")); + + // assert + mock.Verify(p => p.SetStatus(ModMetadataStatus.Failed, It.IsAny<string>()), Times.Once, "The validation did not fail the metadata."); + } + + [Test(Description = "Assert that validation fails when the manifest references a DLL that does not exist.")] + public void ValidateManifests_MissingEntryDLL_Fails() + { + // arrange + Mock<IModMetadata> mock = this.GetMetadata(this.GetManifest("Mod A", "1.0", manifest => manifest.EntryDll = "Missing.dll"), allowStatusChange: true); + this.SetupMetadataForValidation(mock); + + // act + new ModResolver().ValidateManifests(new[] { mock.Object }, apiVersion: new SemanticVersion("1.0")); + + // assert + mock.Verify(p => p.SetStatus(ModMetadataStatus.Failed, It.IsAny<string>()), Times.Once, "The validation did not fail the metadata."); + } + +#if !SMAPI_1_x + [Test(Description = "Assert that validation fails when multiple mods have the same unique ID.")] + public void ValidateManifests_DuplicateUniqueID_Fails() + { + // arrange + Mock<IModMetadata> modA = this.GetMetadata("Mod A", new string[0], allowStatusChange: true); + Mock<IModMetadata> modB = this.GetMetadata(this.GetManifest("Mod A", "1.0", manifest => manifest.Name = "Mod B"), allowStatusChange: true); + Mock<IModMetadata> modC = this.GetMetadata("Mod C", new string[0], allowStatusChange: false); + foreach (Mock<IModMetadata> mod in new[] { modA, modB, modC }) + this.SetupMetadataForValidation(mod); + + // act + new ModResolver().ValidateManifests(new[] { modA.Object, modB.Object }, apiVersion: new SemanticVersion("1.0")); + + // assert + modA.Verify(p => p.SetStatus(ModMetadataStatus.Failed, It.IsAny<string>()), Times.Once, "The validation did not fail the first mod with a unique ID."); + modB.Verify(p => p.SetStatus(ModMetadataStatus.Failed, It.IsAny<string>()), Times.Once, "The validation did not fail the second mod with a unique ID."); + } +#endif + + [Test(Description = "Assert that validation fails when the manifest references a DLL that does not exist.")] + public void ValidateManifests_Valid_Passes() + { + // set up manifest + IManifest manifest = this.GetManifest(); + + // create DLL + string modFolder = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N")); + Directory.CreateDirectory(modFolder); + File.WriteAllText(Path.Combine(modFolder, manifest.EntryDll), ""); + + // arrange + Mock<IModMetadata> mock = new Mock<IModMetadata>(MockBehavior.Strict); + mock.Setup(p => p.Status).Returns(ModMetadataStatus.Found); + mock.Setup(p => p.Compatibility).Returns(() => null); + mock.Setup(p => p.Manifest).Returns(manifest); + mock.Setup(p => p.DirectoryPath).Returns(modFolder); + + // act + new ModResolver().ValidateManifests(new[] { mock.Object }, apiVersion: new SemanticVersion("1.0")); + + // assert + // if Moq doesn't throw a method-not-setup exception, the validation didn't override the status. + } + + /**** + ** ProcessDependencies + ****/ + [Test(Description = "Assert that processing dependencies doesn't fail if there are no mods installed.")] + public void ProcessDependencies_NoMods_DoesNothing() + { + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new IModMetadata[0]).ToArray(); + + // assert + Assert.AreEqual(0, mods.Length, 0, "Expected to get an empty list of mods."); + } + + [Test(Description = "Assert that processing dependencies doesn't change the order if there are no mod dependencies.")] + public void ProcessDependencies_NoDependencies_DoesNothing() + { + // arrange + // A B C + Mock<IModMetadata> modA = this.GetMetadata("Mod A"); + Mock<IModMetadata> modB = this.GetMetadata("Mod B"); + Mock<IModMetadata> modC = this.GetMetadata("Mod C"); + + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new[] { modA.Object, modB.Object, modC.Object }).ToArray(); + + // assert + Assert.AreEqual(3, mods.Length, 0, "Expected to get the same number of mods input."); + Assert.AreSame(modA.Object, mods[0], "The load order unexpectedly changed with no dependencies."); + Assert.AreSame(modB.Object, mods[1], "The load order unexpectedly changed with no dependencies."); + Assert.AreSame(modC.Object, mods[2], "The load order unexpectedly changed with no dependencies."); + } + + [Test(Description = "Assert that processing dependencies skips mods that have already failed without calling any other properties.")] + public void ProcessDependencies_Skips_Failed() + { + // arrange + Mock<IModMetadata> mock = new Mock<IModMetadata>(MockBehavior.Strict); + mock.Setup(p => p.Status).Returns(ModMetadataStatus.Failed); + + // act + new ModResolver().ProcessDependencies(new[] { mock.Object }); + + // assert + mock.VerifyGet(p => p.Status, Times.Once, "The validation did not check the manifest status."); + } + + [Test(Description = "Assert that simple dependencies are reordered correctly.")] + public void ProcessDependencies_Reorders_SimpleDependencies() + { + // arrange + // A ◀── B + // ▲ ▲ + // │ │ + // └─ C ─┘ + Mock<IModMetadata> modA = this.GetMetadata("Mod A"); + Mock<IModMetadata> modB = this.GetMetadata("Mod B", dependencies: new[] { "Mod A" }); + Mock<IModMetadata> modC = this.GetMetadata("Mod C", dependencies: new[] { "Mod A", "Mod B" }); + + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new[] { modC.Object, modA.Object, modB.Object }).ToArray(); + + // assert + Assert.AreEqual(3, mods.Length, 0, "Expected to get the same number of mods input."); + Assert.AreSame(modA.Object, mods[0], "The load order is incorrect: mod A should be first since the other mods depend on it."); + Assert.AreSame(modB.Object, mods[1], "The load order is incorrect: mod B should be second since it needs mod A, and is needed by mod C."); + Assert.AreSame(modC.Object, mods[2], "The load order is incorrect: mod C should be third since it needs both mod A and mod B."); + } + + [Test(Description = "Assert that simple dependency chains are reordered correctly.")] + public void ProcessDependencies_Reorders_DependencyChain() + { + // arrange + // A ◀── B ◀── C ◀── D + Mock<IModMetadata> modA = this.GetMetadata("Mod A"); + Mock<IModMetadata> modB = this.GetMetadata("Mod B", dependencies: new[] { "Mod A" }); + Mock<IModMetadata> modC = this.GetMetadata("Mod C", dependencies: new[] { "Mod B" }); + Mock<IModMetadata> modD = this.GetMetadata("Mod D", dependencies: new[] { "Mod C" }); + + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new[] { modC.Object, modA.Object, modB.Object, modD.Object }).ToArray(); + + // assert + Assert.AreEqual(4, mods.Length, 0, "Expected to get the same number of mods input."); + Assert.AreSame(modA.Object, mods[0], "The load order is incorrect: mod A should be first since it's needed by mod B."); + Assert.AreSame(modB.Object, mods[1], "The load order is incorrect: mod B should be second since it needs mod A, and is needed by mod C."); + Assert.AreSame(modC.Object, mods[2], "The load order is incorrect: mod C should be third since it needs mod B, and is needed by mod D."); + Assert.AreSame(modD.Object, mods[3], "The load order is incorrect: mod D should be fourth since it needs mod C."); + } + + [Test(Description = "Assert that overlapping dependency chains are reordered correctly.")] + public void ProcessDependencies_Reorders_OverlappingDependencyChain() + { + // arrange + // A ◀── B ◀── C ◀── D + // ▲ ▲ + // │ │ + // E ◀── F + Mock<IModMetadata> modA = this.GetMetadata("Mod A"); + Mock<IModMetadata> modB = this.GetMetadata("Mod B", dependencies: new[] { "Mod A" }); + Mock<IModMetadata> modC = this.GetMetadata("Mod C", dependencies: new[] { "Mod B" }); + Mock<IModMetadata> modD = this.GetMetadata("Mod D", dependencies: new[] { "Mod C" }); + Mock<IModMetadata> modE = this.GetMetadata("Mod E", dependencies: new[] { "Mod B" }); + Mock<IModMetadata> modF = this.GetMetadata("Mod F", dependencies: new[] { "Mod C", "Mod E" }); + + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new[] { modC.Object, modA.Object, modB.Object, modD.Object, modF.Object, modE.Object }).ToArray(); + + // assert + Assert.AreEqual(6, mods.Length, 0, "Expected to get the same number of mods input."); + Assert.AreSame(modA.Object, mods[0], "The load order is incorrect: mod A should be first since it's needed by mod B."); + Assert.AreSame(modB.Object, mods[1], "The load order is incorrect: mod B should be second since it needs mod A, and is needed by mod C."); + Assert.AreSame(modC.Object, mods[2], "The load order is incorrect: mod C should be third since it needs mod B, and is needed by mod D."); + Assert.AreSame(modD.Object, mods[3], "The load order is incorrect: mod D should be fourth since it needs mod C."); + Assert.AreSame(modE.Object, mods[4], "The load order is incorrect: mod E should be fifth since it needs mod B, but is specified after C which also needs mod B."); + Assert.AreSame(modF.Object, mods[5], "The load order is incorrect: mod F should be last since it needs mods E and C."); + } + + [Test(Description = "Assert that mods with circular dependency chains are skipped, but any other mods are loaded in the correct order.")] + public void ProcessDependencies_Skips_CircularDependentMods() + { + // arrange + // A ◀── B ◀── C ──▶ D + // ▲ │ + // │ ▼ + // └──── E + Mock<IModMetadata> modA = this.GetMetadata("Mod A"); + Mock<IModMetadata> modB = this.GetMetadata("Mod B", dependencies: new[] { "Mod A" }); + Mock<IModMetadata> modC = this.GetMetadata("Mod C", dependencies: new[] { "Mod B", "Mod D" }, allowStatusChange: true); + Mock<IModMetadata> modD = this.GetMetadata("Mod D", dependencies: new[] { "Mod E" }, allowStatusChange: true); + Mock<IModMetadata> modE = this.GetMetadata("Mod E", dependencies: new[] { "Mod C" }, allowStatusChange: true); + + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new[] { modC.Object, modA.Object, modB.Object, modD.Object, modE.Object }).ToArray(); + + // assert + Assert.AreEqual(5, mods.Length, 0, "Expected to get the same number of mods input."); + Assert.AreSame(modA.Object, mods[0], "The load order is incorrect: mod A should be first since it's needed by mod B."); + Assert.AreSame(modB.Object, mods[1], "The load order is incorrect: mod B should be second since it needs mod A."); + modC.Verify(p => p.SetStatus(ModMetadataStatus.Failed, It.IsAny<string>()), Times.Once, "Mod C was expected to fail since it's part of a dependency loop."); + modD.Verify(p => p.SetStatus(ModMetadataStatus.Failed, It.IsAny<string>()), Times.Once, "Mod D was expected to fail since it's part of a dependency loop."); + modE.Verify(p => p.SetStatus(ModMetadataStatus.Failed, It.IsAny<string>()), Times.Once, "Mod E was expected to fail since it's part of a dependency loop."); + } + + [Test(Description = "Assert that dependencies are sorted correctly even if some of the mods failed during metadata loading.")] + public void ProcessDependencies_WithSomeFailedMods_Succeeds() + { + // arrange + // A ◀── B ◀── C D (failed) + Mock<IModMetadata> modA = this.GetMetadata("Mod A"); + Mock<IModMetadata> modB = this.GetMetadata("Mod B", dependencies: new[] { "Mod A" }); + Mock<IModMetadata> modC = this.GetMetadata("Mod C", dependencies: new[] { "Mod B" }, allowStatusChange: true); + Mock<IModMetadata> modD = new Mock<IModMetadata>(MockBehavior.Strict); + modD.Setup(p => p.Manifest).Returns<IManifest>(null); + modD.Setup(p => p.Status).Returns(ModMetadataStatus.Failed); + + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new[] { modC.Object, modA.Object, modB.Object, modD.Object }).ToArray(); + + // assert + Assert.AreEqual(4, mods.Length, 0, "Expected to get the same number of mods input."); + Assert.AreSame(modD.Object, mods[0], "The load order is incorrect: mod D should be first since it was already failed."); + Assert.AreSame(modA.Object, mods[1], "The load order is incorrect: mod A should be second since it's needed by mod B."); + Assert.AreSame(modB.Object, mods[2], "The load order is incorrect: mod B should be third since it needs mod A, and is needed by mod C."); + Assert.AreSame(modC.Object, mods[3], "The load order is incorrect: mod C should be fourth since it needs mod B, and is needed by mod D."); + } + + [Test(Description = "Assert that dependencies are failed if they don't meet the minimum version.")] + public void ProcessDependencies_WithMinVersions_FailsIfNotMet() + { + // arrange + // A 1.0 ◀── B (need A 1.1) + Mock<IModMetadata> modA = this.GetMetadata(this.GetManifest("Mod A", "1.0")); + Mock<IModMetadata> modB = this.GetMetadata(this.GetManifest("Mod B", "1.0", new ManifestDependency("Mod A", "1.1")), allowStatusChange: true); + + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new[] { modA.Object, modB.Object }).ToArray(); + + // assert + Assert.AreEqual(2, mods.Length, 0, "Expected to get the same number of mods input."); + modB.Verify(p => p.SetStatus(ModMetadataStatus.Failed, It.IsAny<string>()), Times.Once, "Mod B unexpectedly didn't fail even though it needs a newer version of Mod A."); + } + + [Test(Description = "Assert that dependencies are accepted if they meet the minimum version.")] + public void ProcessDependencies_WithMinVersions_SucceedsIfMet() + { + // arrange + // A 1.0 ◀── B (need A 1.0-beta) + Mock<IModMetadata> modA = this.GetMetadata(this.GetManifest("Mod A", "1.0")); + Mock<IModMetadata> modB = this.GetMetadata(this.GetManifest("Mod B", "1.0", new ManifestDependency("Mod A", "1.0-beta")), allowStatusChange: false); + + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new[] { modA.Object, modB.Object }).ToArray(); + + // assert + Assert.AreEqual(2, mods.Length, 0, "Expected to get the same number of mods input."); + Assert.AreSame(modA.Object, mods[0], "The load order is incorrect: mod A should be first since it's needed by mod B."); + Assert.AreSame(modB.Object, mods[1], "The load order is incorrect: mod B should be second since it needs mod A."); + } + +#if !SMAPI_1_x + [Test(Description = "Assert that optional dependencies are sorted correctly if present.")] + public void ProcessDependencies_IfOptional() + { + // arrange + // A ◀── B + Mock<IModMetadata> modA = this.GetMetadata(this.GetManifest("Mod A", "1.0")); + Mock<IModMetadata> modB = this.GetMetadata(this.GetManifest("Mod B", "1.0", new ManifestDependency("Mod A", "1.0", required: false)), allowStatusChange: false); + + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new[] { modB.Object, modA.Object }).ToArray(); + + // assert + Assert.AreEqual(2, mods.Length, 0, "Expected to get the same number of mods input."); + Assert.AreSame(modA.Object, mods[0], "The load order is incorrect: mod A should be first since it's needed by mod B."); + Assert.AreSame(modB.Object, mods[1], "The load order is incorrect: mod B should be second since it needs mod A."); + } + + [Test(Description = "Assert that optional dependencies are accepted if they're missing.")] + public void ProcessDependencies_IfOptional_SucceedsIfMissing() + { + // arrange + // A ◀── B where A doesn't exist + Mock<IModMetadata> modB = this.GetMetadata(this.GetManifest("Mod B", "1.0", new ManifestDependency("Mod A", "1.0", required: false)), allowStatusChange: false); + + // act + IModMetadata[] mods = new ModResolver().ProcessDependencies(new[] { modB.Object }).ToArray(); + + // assert + Assert.AreEqual(1, mods.Length, 0, "Expected to get the same number of mods input."); + Assert.AreSame(modB.Object, mods[0], "The load order is incorrect: mod B should be first since it's the only mod."); + } +#endif + + + /********* + ** Private methods + *********/ + /// <summary>Get a randomised basic manifest.</summary> + /// <param name="adjust">Adjust the generated manifest.</param> + private Manifest GetManifest(Action<Manifest> adjust = null) + { + Manifest manifest = new Manifest + { + Name = Sample.String(), + Author = Sample.String(), + Version = new SemanticVersion(Sample.Int(), Sample.Int(), Sample.Int(), Sample.String()), + Description = Sample.String(), + UniqueID = $"{Sample.String()}.{Sample.String()}", + EntryDll = $"{Sample.String()}.dll" + }; + adjust?.Invoke(manifest); + return manifest; + } + + /// <summary>Get a randomised basic manifest.</summary> + /// <param name="uniqueID">The mod's name and unique ID.</param> + /// <param name="version">The mod version.</param> + /// <param name="adjust">Adjust the generated manifest.</param> + /// <param name="dependencies">The dependencies this mod requires.</param> + private IManifest GetManifest(string uniqueID, string version, Action<Manifest> adjust, params IManifestDependency[] dependencies) + { + return this.GetManifest(manifest => + { + manifest.Name = uniqueID; + manifest.UniqueID = uniqueID; + manifest.Version = new SemanticVersion(version); + manifest.Dependencies = dependencies; + adjust?.Invoke(manifest); + }); + } + + /// <summary>Get a randomised basic manifest.</summary> + /// <param name="uniqueID">The mod's name and unique ID.</param> + /// <param name="version">The mod version.</param> + /// <param name="dependencies">The dependencies this mod requires.</param> + private IManifest GetManifest(string uniqueID, string version, params IManifestDependency[] dependencies) + { + return this.GetManifest(uniqueID, version, null, dependencies); + } + + /// <summary>Get a randomised basic manifest.</summary> + /// <param name="uniqueID">The mod's name and unique ID.</param> + private Mock<IModMetadata> GetMetadata(string uniqueID) + { + return this.GetMetadata(this.GetManifest(uniqueID, "1.0")); + } + + /// <summary>Get a randomised basic manifest.</summary> + /// <param name="uniqueID">The mod's name and unique ID.</param> + /// <param name="dependencies">The dependencies this mod requires.</param> + /// <param name="allowStatusChange">Whether the code being tested is allowed to change the mod status.</param> + private Mock<IModMetadata> GetMetadata(string uniqueID, string[] dependencies, bool allowStatusChange = false) + { + IManifest manifest = this.GetManifest(uniqueID, "1.0", dependencies?.Select(dependencyID => (IManifestDependency)new ManifestDependency(dependencyID, null)).ToArray()); + return this.GetMetadata(manifest, allowStatusChange); + } + + /// <summary>Get a randomised basic manifest.</summary> + /// <param name="manifest">The mod manifest.</param> + /// <param name="allowStatusChange">Whether the code being tested is allowed to change the mod status.</param> + private Mock<IModMetadata> GetMetadata(IManifest manifest, bool allowStatusChange = false) + { + Mock<IModMetadata> mod = new Mock<IModMetadata>(MockBehavior.Strict); + mod.Setup(p => p.Compatibility).Returns(() => null); + mod.Setup(p => p.Status).Returns(ModMetadataStatus.Found); + mod.Setup(p => p.DisplayName).Returns(manifest.UniqueID); + mod.Setup(p => p.Manifest).Returns(manifest); + if (allowStatusChange) + { + mod + .Setup(p => p.SetStatus(It.IsAny<ModMetadataStatus>(), It.IsAny<string>())) + .Callback<ModMetadataStatus, string>((status, message) => Console.WriteLine($"<{manifest.UniqueID} changed status: [{status}] {message}")) + .Returns(mod.Object); + } + return mod; + } + + /// <summary>Set up a mock mod metadata for <see cref="ModResolver.ValidateManifests"/>.</summary> + /// <param name="mod">The mock mod metadata.</param> + /// <param name="compatibility">The compatibility record to set.</param> + private void SetupMetadataForValidation(Mock<IModMetadata> mod, ModCompatibility compatibility = null) + { + mod.Setup(p => p.Status).Returns(ModMetadataStatus.Found); + mod.Setup(p => p.Compatibility).Returns(() => null); + mod.Setup(p => p.Manifest).Returns(this.GetManifest()); + mod.Setup(p => p.DirectoryPath).Returns(Path.GetTempPath()); + mod.Setup(p => p.Compatibility).Returns(compatibility); + } + } +} |