diff --git a/src/loaders/fabric/fabric-metadata.ts b/src/loaders/fabric/fabric-metadata.ts new file mode 100644 index 0000000..26e3678 --- /dev/null +++ b/src/loaders/fabric/fabric-metadata.ts @@ -0,0 +1,112 @@ +import { Dependency } from "@/dependencies"; +import { MINECRAFT } from "@/games/minecraft"; +import { LoaderMetadata } from "@/loaders/loader-metadata"; +import { PlatformType } from "@/platforms"; +import { $i } from "@/utils/collections"; +import { asString } from "@/utils/string-utils"; +import { getFabricDependencies, normalizeFabricDependency } from "./fabric-dependency"; +import { FabricMetadataCustomPayload, getDependenciesFromFabricMetadataCustomPayload, getFabricMetadataCustomPayload, getLoadersFromFabricMetadataCustomPayload, getProjectIdFromFabricMetadataCustomPayload } from "./fabric-metadata-custom-payload"; +import { RawFabricMetadata } from "./raw-fabric-metadata"; + +/** + * Represents Fabric mod metadata. + */ +export class FabricMetadata implements LoaderMetadata { + /** + * The raw Fabric metadata used to create this instance. + */ + private readonly _raw: RawFabricMetadata; + + /** + * Constructs a new {@link FabricMetadata} instance. + * + * @param raw - The raw Fabric metadata. + */ + private constructor(raw: RawFabricMetadata) { + this._raw = raw || {} as RawFabricMetadata; + } + + /** + * Creates a new {@link FabricMetadata} instance from the given raw metadata. + * + * @param raw - The raw Fabric metadata. + * + * @returns A new `FabricMetadata` instance. + */ + static from(raw: RawFabricMetadata): FabricMetadata { + return new FabricMetadata(raw); + } + + /** + * @inheritdoc + */ + get id(): string { + return asString(this._raw.id || ""); + } + + /** + * @inheritdoc + */ + get name(): string { + return asString(this._raw.name || this._raw.id || ""); + } + + /** + * @inheritdoc + */ + get version(): string { + return asString(this._raw.version || "*"); + } + + /** + * @inheritdoc + */ + get loaders(): string[] { + return getLoadersFromFabricMetadataCustomPayload(this.customPayload); + } + + /** + * @inheritdoc + */ + get gameName(): string { + return MINECRAFT; + } + + /** + * @inheritdoc + */ + get gameVersions(): string[] { + return [...(this.dependencies.find(x => x.id === this.gameName)?.versions || [])]; + } + + /** + * @inheritdoc + */ + get dependencies(): Dependency[] { + const baseDependencies = getFabricDependencies(this._raw).map(normalizeFabricDependency).filter(x => x); + const payloadDependencies = getDependenciesFromFabricMetadataCustomPayload(this.customPayload); + const dependencyMap = $i(baseDependencies).concat(payloadDependencies).filter(x => x).map(x => [x.id, x] as const).toMap(); + return [...dependencyMap.values()]; + } + + /** + * The raw Fabric metadata representing this instance. + */ + get raw(): RawFabricMetadata { + return this._raw; + } + + /** + * The custom payload attached to the Fabric metadata. + */ + get customPayload(): FabricMetadataCustomPayload { + return getFabricMetadataCustomPayload(this._raw); + } + + /** + * @inheritdoc + */ + getProjectId(platform: PlatformType): string { + return getProjectIdFromFabricMetadataCustomPayload(this.customPayload, platform) || this.id; + } +} diff --git a/tests/unit/loaders/fabric/fabric-metadata.spec.ts b/tests/unit/loaders/fabric/fabric-metadata.spec.ts new file mode 100644 index 0000000..05bcc25 --- /dev/null +++ b/tests/unit/loaders/fabric/fabric-metadata.spec.ts @@ -0,0 +1,212 @@ +import { readFileSync } from "node:fs"; +import { resolve as resolvePath } from "node:path"; +import { DependencyType } from "@/dependencies/dependency-type"; +import { PlatformType } from "@/platforms/platform-type"; +import { RawFabricMetadata } from "@/loaders/fabric/raw-fabric-metadata"; +import { FabricMetadata } from "@/loaders/fabric/fabric-metadata"; + +const RAW_METADATA: RawFabricMetadata = Object.freeze(JSON.parse( + readFileSync(resolvePath(__dirname, "../../../content/fabric/fabric.mod.json"), "utf8") +)); + +describe("FabricMetadata", () => { + describe("from", () => { + test("constructs new FabricMetadata instance using given raw metadata", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + expect(metadata).toBeInstanceOf(FabricMetadata); + expect(metadata.raw).toBe(RAW_METADATA); + }); + }); + + describe("id", () => { + test("returns id of the mod", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + expect(metadata.id).toBe("example-mod"); + }); + }) + + describe("name", () => { + test("returns name of the mod", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + expect(metadata.name).toBe("Example Mod"); + }); + }); + + describe("version", () => { + test("returns version of the mod", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + expect(metadata.version).toBe("0.1.0"); + }); + }); + + describe("loaders", () => { + test("returns 'fabric' by default", () => { + const metadata = FabricMetadata.from({} as RawFabricMetadata); + + expect(metadata.loaders).toEqual(["fabric"]); + }); + + test("returns the same value as the 'loaders' field in the custom payload", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + expect(metadata.loaders).toEqual(["fabric", "quilt"]); + }); + }); + + describe("gameName", () => { + test("always returns 'minecraft'", () => { + expect(FabricMetadata.from({} as RawFabricMetadata).gameName).toBe("minecraft"); + expect(FabricMetadata.from(RAW_METADATA).gameName).toBe("minecraft"); + }); + }); + + describe("gameVersions", () => { + test("returns an empty array if no dependencies were specified", () => { + const metadata = FabricMetadata.from({} as RawFabricMetadata); + + expect(metadata.gameVersions).toEqual([]); + }); + + test("returns the same value as the 'minecraft' dependency", () => { + const metadata = FabricMetadata.from({ recommends: { minecraft: "1.16.5" } } as unknown as RawFabricMetadata); + + expect(metadata.gameVersions).toEqual(["1.16.5"]); + }); + + test("returns the same values as the 'minecraft' dependency", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + expect(metadata.gameVersions).toEqual(["1.17", "1.17.1"]); + }); + }); + + describe("dependencies", () => { + test("returns an empty array if no dependencies were specified", () => { + const metadata = FabricMetadata.from({} as RawFabricMetadata); + + expect(metadata.dependencies).toEqual([]); + }); + + test("returns dependencies if they were specified", () => { + const metadata = FabricMetadata.from({ breaks: RAW_METADATA.breaks } as RawFabricMetadata); + + const dependencies = metadata.dependencies; + + expect(dependencies).toHaveLength(1); + expect(dependencies[0]).toMatchObject({ id: "breaking-mod", versions: ["*"], type: DependencyType.INCOMPATIBLE }); + }); + + test("special well-known dependency 'fabric' has custom 'fabric-api' alias", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + const dependencies = metadata.dependencies; + + const fabric = dependencies.find(x => x.id === "fabric"); + for (const platform of PlatformType.values()) { + expect(fabric?.getProjectId(platform)).toBe("fabric-api"); + } + }); + + test("regular dependencies have no aliases", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + const dependencies = metadata.dependencies; + const regularDependencies = ["included-mod", "suggested-mod", "conflicting-mod", "breaking-mod"].map(id => dependencies.find(x => x.id === id)); + + for (const dependency of regularDependencies) { + for (const platform of PlatformType.values()) { + expect(dependency?.getProjectId(platform)).toBe(dependency.id); + } + } + }); + + test("special dependencies ('fabricloader', 'minecraft', 'java') are ignored by default", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + const dependencies = metadata.dependencies; + + expect(dependencies.find(x => x.id === "fabricloader")?.isIgnored()).toBe(true); + expect(dependencies.find(x => x.id === "minecraft")?.isIgnored()).toBe(true); + expect(dependencies.find(x => x.id === "java")?.isIgnored()).toBe(true); + }); + + test("regular dependencies are not ignored by default", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + const dependencies = metadata.dependencies; + + expect(dependencies.find(x => x.id === "fabric")?.isIgnored()).toBe(false); + expect(dependencies.find(x => x.id === "included-mod")?.isIgnored()).toBe(false); + expect(dependencies.find(x => x.id === "suggested-mod")?.isIgnored()).toBe(false); + expect(dependencies.find(x => x.id === "conflicting-mod")?.isIgnored()).toBe(false); + expect(dependencies.find(x => x.id === "breaking-mod")?.isIgnored()).toBe(false); + }); + + test("returns dependencies merged with the 'dependencies' declaration from the custom payload", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + const dependencies = metadata.dependencies; + + expect(dependencies).toHaveLength(9); + expect(dependencies.find(x => x.id === "fabricloader")).toMatchObject({ versions: [">=0.11.3"], type: DependencyType.REQUIRED }); + expect(dependencies.find(x => x.id === "fabric")).toMatchObject({ versions: [">=0.40.0"], type: DependencyType.REQUIRED }); + expect(dependencies.find(x => x.id === "minecraft")).toMatchObject({ versions: ["1.17", "1.17.1"], type: DependencyType.REQUIRED }); + expect(dependencies.find(x => x.id === "java")).toMatchObject({ versions: [">=16"], type: DependencyType.REQUIRED }); + expect(dependencies.find(x => x.id === "recommended-mod")).toMatchObject({ versions: ["0.2.0"], type: DependencyType.RECOMMENDED }); + expect(dependencies.find(x => x.id === "included-mod")).toMatchObject({ versions: ["*"], type: DependencyType.EMBEDDED }); + expect(dependencies.find(x => x.id === "suggested-mod")).toMatchObject({ versions: ["*"], type: DependencyType.OPTIONAL }); + expect(dependencies.find(x => x.id === "conflicting-mod")).toMatchObject({ versions: ["<0.40.0"], type: DependencyType.CONFLICTING }); + expect(dependencies.find(x => x.id === "breaking-mod")).toMatchObject({ versions: ["*"], type: DependencyType.INCOMPATIBLE }); + + const merged = dependencies.find(x => x.id === "recommended-mod"); + expect(merged.getProjectId(PlatformType.MODRINTH)).toBe("AAAA"); + expect(merged.getProjectId(PlatformType.CURSEFORGE)).toBe("42"); + expect(merged.getProjectId(PlatformType.GITHUB)).toBe("v0.2.0"); + expect(merged.isIgnored()).toBe(true); + }); + }); + + describe("raw", () => { + test("returns the raw metadata oject this instance was created from", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + expect(metadata.raw).toBe(RAW_METADATA); + }); + }); + + describe("customPayload", () => { + test("returns an empty object by default", () => { + const metadata = FabricMetadata.from({} as RawFabricMetadata); + + expect(metadata.customPayload).toEqual({}); + }); + + test("return the custom payload if it was specified", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + expect(metadata.customPayload?.loaders).toEqual(["fabric", "quilt"]); + }); + }); + + describe("getProjectId", () => { + test("returns the mod id by default", () => { + const metadata = FabricMetadata.from({ id: "example-mod" } as RawFabricMetadata); + + for (const platform of PlatformType.values()) { + expect(metadata.getProjectId(platform)).toBe("example-mod"); + } + }); + + test("returns the same value as one specified in the custom payload", () => { + const metadata = FabricMetadata.from(RAW_METADATA); + + expect(metadata.getProjectId(PlatformType.MODRINTH)).toBe("AANobbMI"); + expect(metadata.getProjectId(PlatformType.CURSEFORGE)).toBe("394468"); + expect(metadata.getProjectId(PlatformType.GITHUB)).toBe("mc1.18-0.4.0-alpha5"); + }); + }); +});