diff --git a/package.json b/package.json index 6c5813c..ed00980 100644 --- a/package.json +++ b/package.json @@ -1,21 +1,24 @@ { "type": "module", "name": "@fries/blurhash-c-wasm", - "version": "0.1.1", + "version": "0.1.2", "description": "A WASM module using the Blurhash C library", "main": "dist/blurhash-c-wasm.cjs", "module": "dist/blurhash-c-wasm.js", "types": "dist/library.d.ts", "scripts": { "build": "make && rollup -c rollup.config.js", - "prepublishOnly": "pnpm build" + "test": "jasmine", + "prepublishOnly": "pnpm build && pnpm test" }, "author": "Fries", "devDependencies": { "@rollup/plugin-typescript": "^11.1.2", "@rollup/plugin-wasm": "^6.1.3", + "@types/jasmine": "^4.3.5", + "jasmine": "^5.1.0", "rollup": "^3.28.0", - "typescript": "^5.1.6", - "tslib": "^2.6.1" + "tslib": "^2.6.1", + "typescript": "^5.1.6" } } diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index a34688c..3b14d68 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -11,6 +11,12 @@ devDependencies: 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resolution: {integrity: sha512-si7QWI6zUMq56bESFvagtmzMdGOtoxfR+Sez11Mobfc7tm+VkUckk9bW2UeffTGVUbOksxmSw0AA2gs8g71NCQ==} + engines: {node: '>=12'} + dependencies: + ansi-styles: 6.2.1 + string-width: 5.1.2 + strip-ansi: 7.1.0 + dev: true diff --git a/spec/librarySpec.js b/spec/librarySpec.js new file mode 100644 index 0000000..7038894 --- /dev/null +++ b/spec/librarySpec.js @@ -0,0 +1,51 @@ +// @ts-check + +import * as blurhash from "../dist/blurhash-c-wasm.js"; + +describe("blurhash-c-wasm tests", () => { + beforeAll(async () => { + await blurhash.initWasm(); + }); + + it("detects valid blurhash", () => { + expect(blurhash.isValidBlurhash("LEHLk~WB2yk8pyo0adR*.7kCMdnj")).toBe(true); + expect(blurhash.isValidBlurhash("LGF5]+Yk^6#M@-5c,1J5@[or[Q6.")).toBe(true); + expect(blurhash.isValidBlurhash("L6PZfSjE.AyE_3t7t7R**0o#DgR4")).toBe(true); + expect(blurhash.isValidBlurhash("LKO2:N%2Tw=w]~RBVZRi};RPxuwH")).toBe(true); + }); + + it("generates valid blurhash images", () => { + expect(blurhash.decode("LEHLk~WB2yk8pyo0adR*.7kCMdnj", 1, 1)).toEqual( + Uint8ClampedArray.of(134, 164, 176, 255) + ); + expect(blurhash.decode("LGF5]+Yk^6#M@-5c,1J5@[or[Q6.", 1, 1)).toEqual( + Uint8ClampedArray.of(176, 118, 163, 255) + ); + expect(blurhash.decode("L6PZfSjE.AyE_3t7t7R**0o#DgR4", 1, 1)).toEqual( + Uint8ClampedArray.of(229, 228, 226, 255) + ); + expect(blurhash.decode("LKO2:N%2Tw=w]~RBVZRi};RPxuwH", 1, 1)).toEqual( + Uint8ClampedArray.of(251, 192, 161, 255) + ); + }); + + it("detects invalid blurhash", () => { + expect(blurhash.isValidBlurhash("1234")).toBe(false); + expect(blurhash.isValidBlurhash("sus")).toBe(false); + }); + + it("don't accept less then the required paramaters in the decode function", () => { + // @ts-expect-error + expect(() => blurhash.decode(undefined)).toThrow( + new Error("You are required to give the Blurhash string.") + ); + // @ts-expect-error + expect(() => blurhash.decode("test")).toThrow( + new Error("You are required to give the width.") + ); + // @ts-expect-error + expect(() => blurhash.decode("test", 32)).toThrow( + new Error("You are required to give the height.") + ); + }); +}); diff --git a/spec/support/jasmine.json b/spec/support/jasmine.json new file mode 100644 index 0000000..6afe603 --- /dev/null +++ b/spec/support/jasmine.json @@ -0,0 +1,13 @@ +{ + "spec_dir": "spec", + "spec_files": [ + "**/*[sS]pec.?(m)js" + ], + "helpers": [ + "helpers/**/*.?(m)js" + ], + "env": { + "stopSpecOnExpectationFailure": false, + "random": true + } +} diff --git a/src/library.ts b/src/library.ts index 52e1b4b..0fe25e7 100644 --- a/src/library.ts +++ b/src/library.ts @@ -28,7 +28,7 @@ function encodeStringToWasmArray(string: string): number { if (!instance) throw Error(wasmInitializationError); const encoder = new TextEncoder(); const encodedString = encoder.encode(string); - const stringPtr: number = instance.malloc(encodedString.byteLength); + const stringPtr: number = instance.malloc(encodedString.byteLength + 1); const stringBuf = new Uint8Array( instance.memory.buffer, stringPtr,