test(e2e): add esm tests (#189)

e2e/yearly.e2e.spec.ts → e2e/commonjs.e2e.spec.ts

@@ -1,17 +1,13 @@
 import { DateTime, Frequency, Month, RRule, RRuleSet } from '../src';
 import { Sandbox } from './sandbox/sandbox';
 
-describe('Yearly', () => {
-  const sandbox = new Sandbox();
+describe('Commonjs', () => {
+  const sandbox = new Sandbox({
+    esm: false,
+  });
 
   beforeAll(() => {
-    const version = process.env['E2E_LIBRARY_VERSION'];
-
-    if (!version) {
-      throw new Error('E2E_LIBRARY_VERSION is required');
-    }
-
-    sandbox.install(version);
+    sandbox.install();
   });
 
   afterAll(() => {

e2e/esm.e2e.spec.ts

@@ -0,0 +1,52 @@
+import { DateTime, Frequency, Month, RRule, RRuleSet } from '../src';
+import { Sandbox } from './sandbox/sandbox';
+
+describe('ESM', () => {
+  const sandbox = new Sandbox({
+    esm: true,
+  });
+
+  beforeAll(() => {
+    sandbox.install();
+  });
+
+  afterAll(() => {
+    sandbox.uninstall();
+  });
+
+  it('yearly in June and July for 10 occurrences', () => {
+    const result = sandbox.run(() => {
+      const rrule = new RRule({
+        frequency: Frequency.Yearly,
+        byMonth: [Month.June, Month.July],
+        count: 10,
+      });
+      const set = new RRuleSet(
+        DateTime.create(1997, 6, 10, 9, 0, 0, false),
+        'US/Eastern',
+      ).addRrule(rrule);
+
+      return {
+        asString: set.toString(),
+        dates: set.all(),
+      };
+    });
+
+    expect(result).toEqual({
+      asString:
+        'DTSTART;TZID=US/Eastern:19970610T090000\nRRULE:FREQ=YEARLY;COUNT=10;BYMONTH=6,7',
+      dates: [
+        DateTime.create(1997, 6, 10, 9, 0, 0, false),
+        DateTime.create(1997, 7, 10, 9, 0, 0, false),
+        DateTime.create(1998, 6, 10, 9, 0, 0, false),
+        DateTime.create(1998, 7, 10, 9, 0, 0, false),
+        DateTime.create(1999, 6, 10, 9, 0, 0, false),
+        DateTime.create(1999, 7, 10, 9, 0, 0, false),
+        DateTime.create(2000, 6, 10, 9, 0, 0, false),
+        DateTime.create(2000, 7, 10, 9, 0, 0, false),
+        DateTime.create(2001, 6, 10, 9, 0, 0, false),
+        DateTime.create(2001, 7, 10, 9, 0, 0, false),
+      ],
+    });
+  });
+});

e2e/sandbox/sandbox.ts

@@ -3,14 +3,30 @@ import { mkdirSync, rmSync, writeFileSync } from 'fs';
 import { rimrafSync } from 'rimraf';
 import * as path from 'path';
 
+export type SandboxOptions = {
+  esm: boolean;
+};
+
 export class Sandbox {
-  private readonly projectPath: string = path.resolve(__dirname, 'app');
+  private readonly projectPath: string;
+  private readonly esm: boolean;
+  constructor(options: SandboxOptions) {
+    this.projectPath = path.resolve(__dirname, 'app');
+    this.esm = options.esm;
+  }
 
-  install(version: string) {
+  install() {
     rimrafSync(path.resolve(this.projectPath));
     mkdirSync(this.projectPath);
     execSync(`npm init -y`, { cwd: this.projectPath });
-    execSync(`npm install rrule-rust@${version}`, { cwd: this.projectPath });
+
+    if (this.esm) {
+      execSync(`npm pkg set type=module`, { cwd: this.projectPath });
+    }
+
+    execSync(`npm install rrule-rust@${this.getVersion()}`, {
+      cwd: this.projectPath,
+    });
   }
 
   uninstall() {
@@ -21,7 +37,11 @@ export class Sandbox {
     writeFileSync(
       path.resolve(this.projectPath, 'index.js'),
       `
-    const src_1 = require('rrule-rust');
+      ${
+        this.esm
+          ? `import * as src_1 from 'rrule-rust';`
+          : `const src_1 = require('rrule-rust');`
+      }
 
     const code = ${code.toString()}; 
 
@@ -37,4 +57,14 @@ export class Sandbox {
       rmSync(path.resolve(this.projectPath, 'index.js'));
     }
   }
+
+  private getVersion() {
+    const version = process.env['E2E_LIBRARY_VERSION'];
+
+    if (!version) {
+      throw new Error('E2E_LIBRARY_VERSION is required');
+    }
+
+    return version;
+  }
 }

package.json

@@ -87,7 +87,7 @@
     "postbuild": "cpy ./src/lib/* ./dist/lib --flat",
     "prepublishOnly": "napi prepublish -t npm",
     "test": "cross-env TZ=Europe/Moscow jest --testPathIgnorePatterns=\\.e2e\\.spec\\.ts",
-    "test:e2e": "jest --testMatch='**/*.e2e.spec.ts'",
+    "test:e2e": "jest --testMatch='**/*.e2e.spec.ts' --runInBand",
     "universal": "napi universal",
     "version": "napi version",
     "benchmark": "ts-node ./benchmark/index.ts",