Add tests for cleanSeriesSequence

test/server/providers/Audible.test.js

@@ -0,0 +1,48 @@
+const Audible = require('../../../server/providers/Audible')
+const { expect } = require('chai')
+const sinon = require('sinon')
+
+describe('Audible', () => {
+  let audible;
+
+  beforeEach(() => {
+    audible = new Audible();
+  });
+
+  describe('cleanSeriesSequence', () => {
+    it('should return an empty string if sequence is falsy', () => {
+      const result = audible.cleanSeriesSequence('Series Name', null)
+      expect(result).to.equal('')
+    })
+
+    it('should return the sequence as is if it does not contain a number', () => {
+      const result = audible.cleanSeriesSequence('Series Name', 'part a')
+      expect(result).to.equal('part a')
+    })
+
+    it('should return the sequence as is if contains just a number', () => {
+      const result = audible.cleanSeriesSequence('Series Name', '2')
+      expect(result).to.equal('2')
+    })
+
+    it('should return the sequence as is if contains just a number with decimals', () => {
+      const result = audible.cleanSeriesSequence('Series Name', '2.3')
+      expect(result).to.equal('2.3')
+    })
+
+    it('should extract and return the first number from the sequence', () => {
+      const result = audible.cleanSeriesSequence('Series Name', 'Book 1')
+      expect(result).to.equal('1')
+    })
+
+    it('should extract and return the number with decimals from the sequence', () => {
+      const result = audible.cleanSeriesSequence('Series Name', 'Book 1.5')
+      expect(result).to.equal('1.5')
+    })
+    
+    it('should extract and return the number even if it has no leading zero', () => {
+      const result = audible.cleanSeriesSequence('Series Name', 'Book .5')
+      expect(result).to.equal('.5')
+    })
+  })
+})