Run tests conditionally

Author: kraenhansen

apps/test-app/App.tsx

@@ -8,26 +8,47 @@ import {
   StatusText,
 } from "mocha-remote-react-native";
 
-import { examples as nodeAddonExamples } from "@react-native-node-api/node-addon-examples";
+import { suites as nodeAddonExamplesSuites } from "@react-native-node-api/node-addon-examples";
 
-function loadTests() {
-  for (const [suiteName, examples] of Object.entries(nodeAddonExamples)) {
-    describe(suiteName, () => {
-      for (const [exampleName, requireExample] of Object.entries(examples)) {
-        it(exampleName, async () => {
-          const test = requireExample();
-          if (test instanceof Function) {
-            await test();
-          }
-        });
-      }
-    });
-  }
+function describeIf(
+  condition: boolean,
+  title: string,
+  fn: (this: Mocha.Suite) => void
+) {
+  return condition ? describe(title, fn) : describe.skip(title, fn);
+}
+
+type Context = {
+  allTests?: boolean;
+  nodeAddonExamples?: boolean;
+  ferricExample?: boolean;
+};
+
+function loadTests({
+  allTests = false,
+  nodeAddonExamples = allTests,
+  ferricExample = allTests,
+}: Context) {
+  describeIf(nodeAddonExamples, "Node Addon Examples", () => {
+    for (const [suiteName, examples] of Object.entries(
+      nodeAddonExamplesSuites
+    )) {
+      describe(suiteName, () => {
+        for (const [exampleName, requireExample] of Object.entries(examples)) {
+          it(exampleName, async () => {
+            const test = requireExample();
+            if (test instanceof Function) {
+              await test();
+            }
+          });
+        }
+      });
+    }
+  });
 
-  describe("ferric-example", () => {
-    it("exports a callable sum function", () => {
-      // eslint-disable-next-line @typescript-eslint/no-require-imports
-      const exampleAddon = require("ferric-example");
+  describeIf(ferricExample, "ferric-example", () => {
+    it("exports a callable sum function", async () => {
+      const exampleAddon = await import("ferric-example");
       const result = exampleAddon.sum(1, 3);
       if (result !== 4) {
         throw new Error(`Expected 1 + 3 to equal 4, but got ${result}`);

apps/test-app/package.json

@@ -8,7 +8,13 @@
     "ios": "react-native run-ios --no-packager",
     "pod-install": "cd ios && pod install",
     "test:android": "mocha-remote --exit-on-error -- concurrently --kill-others-on-fail --passthrough-arguments npm:metro 'npm:android -- {@}' --",
-    "test:ios": "mocha-remote --exit-on-error -- concurrently --passthrough-arguments --kill-others-on-fail npm:metro 'npm:ios -- {@}' --"
+    "test:android:allTests": "MOCHA_REMOTE_CONTEXT=allTests npm run test:android -- ",
+    "test:android:nodeAddonExamples": "MOCHA_REMOTE_CONTEXT=nodeAddonExamples npm run test:android -- ",
+    "test:android:ferricExample": "MOCHA_REMOTE_CONTEXT=ferricExample npm run test:android -- ",
+    "test:ios": "mocha-remote --exit-on-error -- concurrently --passthrough-arguments --kill-others-on-fail npm:metro 'npm:ios -- {@}' --",
+    "test:ios:allTests": "MOCHA_REMOTE_CONTEXT=allTests npm run test:ios -- ",
+    "test:ios:nodeAddonExamples": "MOCHA_REMOTE_CONTEXT=nodeAddonExamples npm run test:ios -- ",
+    "test:ios:ferricExample": "MOCHA_REMOTE_CONTEXT=ferricExample npm run test:ios -- "
   },
   "dependencies": {
     "@babel/core": "^7.26.10",

apps/test-app/tsconfig.node-scripts.json

@@ -0,0 +1,11 @@
+{
+  "extends": "@tsconfig/node22/tsconfig.json",
+  "compilerOptions": {
+    "composite": true,
+    "emitDeclarationOnly": true,
+    "outDir": "dist",
+    "rootDir": "scripts",
+    "types": ["node"]
+  },
+  "include": ["scripts/**/*.ts"]
+}

packages/node-addon-examples/src/index.ts

@@ -28,7 +28,10 @@ function assertLogs(cb: () => void, expectedMessages: string[]) {
   }
 }
 
-export const examples: Record<string, Record<string, () => void>> = {
+export const suites: Record<
+  string,
+  Record<string, () => void | (() => void)>
+> = {
   "1-getting-started": {
     "1_hello_world/napi": () =>
       assertLogs(
@@ -97,6 +100,6 @@ export const examples: Record<string, Record<string, () => void>> = {
   },
   tests: {
     buffers: () => require("../tests/buffers/addon.js"),
-    async: () => require("./tests/async/addon.js"),
+    async: () => require("../tests/async/addon.js"),
   },
 };