add: speakFn tests

Author: puemos

tests/lib/speechSynthesis.spec.js

@@ -1,5 +1,7 @@
-import { describe, it } from 'mocha';
+import { describe, it, afterEach, beforeEach } from 'mocha';
 import { expect } from 'chai';
+import { spy } from 'sinon';
+
 import { getSpeakText, speakFn } from '../../lib/speechSynthesis';
 
 describe('SpeechSynthesis', () => {
@@ -25,4 +27,44 @@ describe('SpeechSynthesis', () => {
       expect(text).to.eql('');
     });
   });
+  describe('speak', () => {
+    const speakSpy = spy();
+
+    beforeEach(() => {
+      global.window.speechSynthesis = {
+        speak: speakSpy,
+      };
+      global.window.SpeechSynthesisUtterance = function SpeechSynthesisUtterance() {};
+    });
+    afterEach(() => {
+      speakSpy.reset();
+    });
+    it('should not speak if disabled', () => {
+      const speak = speakFn({ enable: false });
+      speak({});
+      expect(speakSpy.called).to.eql(false);
+    });
+    it('should not speak if SpeechSynthesisUtterance is not supported', () => {
+      global.window.SpeechSynthesisUtterance = undefined;
+      const speak = speakFn({ enable: true });
+      speak({});
+      expect(speakSpy.called).to.eql(false);
+    });
+    it('should not speak if speechSynthesis is not supported', () => {
+      global.window.speechSynthesis = undefined;
+      const speak = speakFn({ enable: true });
+      speak({});
+      expect(speakSpy.called).to.eql(false);
+    });
+    it("should not speak if it's user msg", () => {
+      const speak = speakFn({ enable: true });
+      speak({ user: true });
+      expect(speakSpy.called).to.eql(false);
+    });
+    it('should speak empty string (nothing)', () => {
+      const speak = speakFn({ enable: true });
+      speak({});
+      expect(speakSpy.getCall(0).args[0]).to.eql({ text: '', lang: undefined, voice: undefined });
+    });
+  });
 });