Add tests for rules index script

Author: utarwyn

eslint-plugin/tests/lib/index.test.js

@@ -0,0 +1,19 @@
+const assert = require("assert");
+
+describe("index.js", () => {
+  it("should export list of rule modules", () => {
+    const { rules } = require("../../lib");
+    assert.notEqual(Object.keys(rules).length, 0);
+    const firstRuleName = Object.keys(rules)[0];
+    assert.notEqual(rules[firstRuleName].meta, null);
+  });
+
+  it("should export all rules in recommended configuration", () => {
+    const { configs, rules } = require("../../lib");
+    const recommended = configs.recommended;
+    assert.notEqual(recommended, null);
+    assert.equal(recommended.plugins.length, 1);
+    assert.equal(recommended.plugins[0], "@ecocode");
+    assert.equal(recommended.rules.length, rules.length);
+  });
+});