add basic test for explainer

test/test-explain.js

@@ -0,0 +1,48 @@
+/**
+ * Copyright 2022 - Offen Authors <hioffen@posteo.de>
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
+const tape = require('tape')
+
+const { explain } = require('./../src/index')
+
+tape.test('valid: full definition', t => {
+  const fixture = `
+# analytics.txt file for www.analyticstxt.org
+Author: Frederik Ring <hioffen@posteo.de>
+
+Collects: url, referrer, device-type
+Stores: first-party-cookies, local-storage
+# Usage data is encrypted end-to-end
+Uses: javascript
+# Users can also delete their usage data only without opting out
+Allows: opt-in, opt-out
+# Data is retained for 6 months
+Retains: 365 days
+
+# Optional fields
+Honors: none
+Tracks: sessions, users
+Varies: none
+Shares: per-user
+Implements: gdpr
+Deploys: offen
+`
+  const [result, error] = explain(fixture)
+  t.equal(error, null)
+  t.ok(result)
+  t.end()
+})
+
+tape.test('invalid: parse error', t => {
+  const fixture = `
+{
+  "json": "is cool"
+}
+`
+  const [result, error] = explain(fixture)
+  t.notEqual(error, null)
+  t.equal(result, null)
+  t.end()
+})