add tests

package.json

@@ -16,7 +16,6 @@
   "author": "Apostrophe Technologies",
   "license": "UNLICENSED",
   "devDependencies": {
-    "apostrophe": "github:apostrophecms/apostrophe",
     "eslint": "^8.44.0",
     "eslint-config-apostrophe": "^4.2.0",
     "eslint-config-standard": "^17.1.0",

test/index.js

@@ -0,0 +1,52 @@
+const path = require('path');
+const fs = require('fs');
+const assert = require('assert').strict;
+const xlsx = require('../lib/xlsx');
+
+describe('@apostrophecms/import-export-xlsx', function () {
+  const filepath = path.join(__dirname, 'test.xlsx');
+
+  this.timeout(2000);
+
+  after(() => {
+    fs.unlinkSync(filepath);
+  });
+
+  describe('output', function () {
+    it('should write a .xlsx file with the docs and their properties stringified', async function () {
+      const docs = [
+        {
+          name: 'John Doe',
+          age: 42,
+          object: { foo: 'bar' },
+          array: [ 1, 2, { foo: 'bar' } ]
+        },
+        {
+          name: 'Jane Doe',
+          age: 43,
+          empty: ''
+        }
+      ];
+      await xlsx.output(filepath, { docs });
+    });
+  });
+
+  describe('input', function () {
+    it('should read a .xlsx file and return the parsed docs in an object', async function () {
+      const result = await xlsx.input(filepath);
+      const expected = [
+        {
+          name: 'John Doe',
+          age: 42,
+          object: { foo: 'bar' },
+          array: [ 1, 2, { foo: 'bar' } ]
+        },
+        {
+          name: 'Jane Doe',
+          age: 43
+        }
+      ];
+      assert.deepEqual(result.docs, expected);
+    });
+  });
+});