E2e cli for cross-sdk tests

.github/workflows/e2e-tests.yml

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+# E2E Tests for analytics-react-native
+# Copy this file to: analytics-react-native/.github/workflows/e2e-tests.yml
+#
+# This workflow:
+# 1. Checks out the SDK and sdk-e2e-tests repos
+# 2. Builds the Node-based e2e-cli
+# 3. Runs the e2e test suite
+
+name: E2E Tests
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+  workflow_dispatch: # Allow manual trigger
+
+jobs:
+  e2e-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout SDK
+        uses: actions/checkout@v4
+        with:
+          path: sdk
+
+      - name: Checkout sdk-e2e-tests
+        uses: actions/checkout@v4
+        with:
+          repository: segmentio/sdk-e2e-tests
+          path: sdk-e2e-tests
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install and build e2e-cli
+        working-directory: sdk/e2e-cli
+        run: |
+          npm install
+          npm run build
+
+      - name: Install sdk-e2e-tests dependencies
+        working-directory: sdk-e2e-tests
+        run: npm ci
+
+      - name: Build sdk-e2e-tests
+        working-directory: sdk-e2e-tests
+        run: npm run build
+
+      - name: Run E2E tests
+        working-directory: sdk-e2e-tests
+        env:
+          CLI_COMMAND: node ${{ github.workspace }}/sdk/e2e-cli/dist/cli.js
+          E2E_TEST_SUITES: basic,retry
+          # E2E_TEST_SKIP: exponential-backoff  # skip specific test files if needed
+        run: npm test
+
+      - name: Upload test results
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: e2e-test-results
+          path: sdk-e2e-tests/test-results/
+          if-no-files-found: ignore

e2e-cli/.gitignore

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+node_modules/
+dist/

e2e-cli/README.md

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+# analytics-react-native e2e-cli
+
+E2E test CLI for the [@segment/analytics-react-native](https://github.com/segmentio/analytics-react-native) SDK. Runs the **real SDK pipeline** on Node.js — events flow through `SegmentClient` → Timeline → `SegmentDestination` (batch chunking, upload) → `QueueFlushingPlugin` (queue management) → `uploadEvents` HTTP POST.
+
+React Native runtime dependencies (`AppState`, `NativeModules`, sovran native bridge, AsyncStorage) are stubbed with minimal Node.js equivalents so the full event processing pipeline executes without a React Native runtime.
+
+## Setup
+
+```bash
+npm install
+npm run build
+```
+
+The build uses esbuild to bundle the CLI + SDK source + stubs into a single `dist/cli.js`.
+
+## Usage
+
+```bash
+node dist/cli.js --input '{"writeKey":"...", ...}'
+```
+
+## Input Format
+
+```jsonc
+{
+  "writeKey": "your-write-key",       // required
+  "apiHost": "https://...",           // optional — SDK default if omitted
+  "cdnHost": "https://...",           // optional — SDK default if omitted
+  "sequences": [                      // required — event sequences to send
+    {
+      "delayMs": 0,
+      "events": [
+        { "type": "track", "event": "Test", "userId": "user-1" }
+      ]
+    }
+  ],
+  "config": {                         // optional
+    "flushAt": 20,
+    "flushInterval": 30
+  }
+}
+```
+
+## Output Format
+
+```json
+{ "success": true }
+```
+
+On failure:
+
+```json
+{ "success": false, "error": "description" }
+```

e2e-cli/build.js

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+const { execSync } = require('child_process');
+const path = require('path');
+const fs = require('fs');
+const esbuild = require('esbuild');
+
+const coreDir = path.resolve(__dirname, '../packages/core');
+const infoFile = path.join(coreDir, 'src/info.ts');
+
+// Generate info.ts if it doesn't exist (required by context.ts)
+if (!fs.existsSync(infoFile)) {
+  console.log('Generating packages/core/src/info.ts...');
+  execSync('node constants-generator.js', { cwd: coreDir, stdio: 'inherit' });
+}
+
+esbuild.buildSync({
+  entryPoints: [path.resolve(__dirname, 'src/cli.ts')],
+  bundle: true,
+  platform: 'node',
+  target: 'node18',
+  format: 'cjs',
+  outfile: path.resolve(__dirname, 'dist/cli.js'),
+  alias: {
+    'react-native': path.resolve(__dirname, 'src/stubs/react-native.ts'),
+    '@segment/sovran-react-native': path.resolve(
+      __dirname,
+      'src/stubs/sovran.ts'
+    ),
+    'react-native-get-random-values': path.resolve(
+      __dirname,
+      'src/stubs/react-native-get-random-values.ts'
+    ),
+  },
+  external: ['uuid', 'deepmerge', '@react-native-async-storage/async-storage'],
+  logLevel: 'info',
+});