test: Add test for Rule class. (#74)

This adds two tests for the Rules class testing the error conditions for when a rule does not have an id parameter or a validate function.

Author: lholmquist

Diff for: test/rule-test.js

@@ -0,0 +1,24 @@
+'use strict'
+
+const test = require('tap').test
+const BaseRule = require('../lib/rule')
+
+test('Base Rule Test', (t) => {
+  t.test('No id param', (tt) => {
+    tt.throws(() => {
+      new BaseRule()
+    }, 'Rule must have an id')
+
+    tt.end()
+  })
+
+  t.test('No validate function', (tt) => {
+    tt.throws(() => {
+      new BaseRule({id: 'test-rule'})
+    }, 'Rule must have validate function')
+
+    tt.end()
+  })
+
+  t.end()
+})