Switch from Jest to Vitest

.eslintrc.cjs

@@ -68,29 +68,8 @@ module.exports = {
         "*.test.ts",
         "*.test.tsx",
       ],
-      extends: ["plugin:jest/recommended"],
-      plugins: ["jest"],
-      env: {
-        jest: true,
-      },
-      rules: {
-        // focused tests that make it to CI will cause a build failure
-        "jest/no-focused-tests": "warn",
-
-        // allow expect inside fast-check tests
-        "jest/no-standalone-expect": [
-          "error",
-          { additionalTestBlockFunctions: ["it.prop", "test.prop"] },
-        ],
-
-        // allow custom expect functions
-        "jest/expect-expect": [
-          "warn",
-          {
-            assertFunctionNames: ["expect*"],
-          },
-        ],
-      },
+      extends: ["plugin:vitest/recommended"],
+      plugins: ["vitest"],
     },
   ],
 };

package.json

@@ -38,24 +38,23 @@
     "prepublishOnly": "tsc -p tsconfig.build.json"
   },
   "devDependencies": {
-    "@fast-check/jest": "^1.7.3",
-    "@jest/globals": "^29.7.0",
-    "@swc/jest": "^0.2.29",
-    "@types/jest": "^29.5.5",
+    "@fast-check/vitest": "^0.1.0",
     "@types/ws": "^8.5.5",
     "@typescript-eslint/eslint-plugin": "^7.0.0",
     "@typescript-eslint/parser": "^7.0.0",
+    "@vitest/coverage-v8": "^1.5.2",
     "eslint": "^8.50.0",
     "eslint-config-prettier": "^9.0.0",
     "eslint-import-resolver-typescript": "^3.6.1",
     "eslint-plugin-import": "^2.28.1",
-    "eslint-plugin-jest": "^28.0.0",
     "eslint-plugin-n": "^17.0.0",
     "eslint-plugin-promise": "^6.1.1",
-    "jest": "^29.7.0",
+    "eslint-plugin-vitest": "^0.4.1",
     "prettier": "^3.0.3",
     "prettier-plugin-organize-imports": "^3.2.3",
     "typescript": "^5.2.2",
+    "vite": "^5.2.10",
+    "vitest": "^1.5.2",
     "ws": "^8.14.2"
   }
 }

test/arbitrary.ts

@@ -1,4 +1,4 @@
-import { fc } from "@fast-check/jest";
+import { fc } from "@fast-check/vitest";
 import type { Matrix3x3 } from "../src/matrix.js";
 import type { Vector3, Vector4 } from "../src/vector.js";
 

test/jest/lat_lon2n_E.spec.ts → test/vitest/lat_lon2n_E.spec.ts

@@ -1,4 +1,5 @@
-import { fc, it } from "@fast-check/jest";
+import { fc, it } from "@fast-check/vitest";
+import { afterAll, beforeAll, describe, expect } from "vitest";
 import { lat_lon2n_E } from "../../src/index.js";
 import { arbitrary3dRotationMatrix, arbitraryLatLon } from "../arbitrary.js";
 import {
@@ -22,7 +23,7 @@ describe("lat_lon2n_E()", () => {
       arbitraryLatLon(),
       fc.option(arbitrary3dRotationMatrix(), { nil: undefined }),
     ],
-    { numRuns: Infinity },
+    { interruptAfterTimeLimit: 5000, numRuns: Infinity },
   )(
     "matches the Python implementation",
     async ([latitude, longitude], R_Ee) => {
@@ -49,5 +50,6 @@ describe("lat_lon2n_E()", () => {
       expect(actual[1]).toBeCloseTo(expected[1], 10);
       expect(actual[2]).toBeCloseTo(expected[2], 10);
     },
+    6000,
   );
 });

test/vitest/n_E2lat_lon.spec.ts

@@ -0,0 +1,45 @@
+import { fc, it } from "@fast-check/vitest";
+import { afterAll, beforeAll, describe, expect } from "vitest";
+import { n_E2lat_lon } from "../../src/index.js";
+import {
+  arbitrary3dRotationMatrix,
+  arbitrary3dUnitVector,
+} from "../arbitrary.js";
+import {
+  NvectorTestClient,
+  createNvectorTestClient,
+} from "../nvector-test-api.js";
+
+describe("n_E2lat_lon()", () => {
+  let nvectorTestClient: NvectorTestClient;
+
+  beforeAll(async () => {
+    nvectorTestClient = await createNvectorTestClient();
+  });
+
+  afterAll(() => {
+    nvectorTestClient?.close();
+  });
+
+  it.prop(
+    [
+      arbitrary3dUnitVector(),
+      fc.option(arbitrary3dRotationMatrix(), { nil: undefined }),
+    ],
+    { interruptAfterTimeLimit: 5000, numRuns: Infinity },
+  )(
+    "matches the Python implementation",
+    async (n_E, R_Ee) => {
+      const expected = await nvectorTestClient.n_E2lat_lon(n_E, R_Ee);
+
+      expect(expected).toMatchObject([expect.any(Number), expect.any(Number)]);
+
+      const actual = n_E2lat_lon(n_E, R_Ee);
+
+      expect(actual).toMatchObject([expect.any(Number), expect.any(Number)]);
+      expect(actual[0]).toBeCloseTo(expected[0], 10);
+      expect(actual[1]).toBeCloseTo(expected[1], 10);
+    },
+    6000,
+  );
+});

vitest.config.ts

@@ -0,0 +1,10 @@
+import { defineConfig } from "vite";
+
+export default defineConfig({
+  test: {
+    include: ["test/vitest/**/*.spec.ts"],
+    coverage: {
+      include: ["src/**/*.ts"],
+    },
+  },
+});