Increased unit test code coverage for adapters

test/unit/adapters/ipfs-index.adapter.unit.js

@@ -0,0 +1,49 @@
+/*
+  Unit tests for the index.js file for the IPFS and ipfs-coord libraries.
+*/
+
+const assert = require('chai').assert
+const sinon = require('sinon')
+
+const IPFSLib = require('../../../src/adapters/ipfs')
+const IPFSMock = require('../mocks/ipfs-mock')
+const IPFSCoordMock = require('../mocks/ipfs-coord-mock')
+
+describe('#IPFS', () => {
+  let uut
+  let sandbox
+
+  beforeEach(() => {
+    uut = new IPFSLib()
+
+    sandbox = sinon.createSandbox()
+  })
+
+  afterEach(() => sandbox.restore())
+
+  describe('#start', () => {
+    it('should return a promise that resolves into an instance of IPFS.', async () => {
+      // Mock dependencies.
+      uut.ipfsAdapter = new IPFSMock()
+      uut.IpfsCoordAdapter = IPFSCoordMock
+
+      const result = await uut.start()
+
+      assert.equal(result, true)
+    })
+
+    it('should catch and throw an error', async () => {
+      try {
+        // Force an error
+        sandbox.stub(uut.ipfsAdapter, 'start').rejects(new Error('test error'))
+
+        await uut.start()
+
+        assert.fail('Unexpected code path.')
+      } catch (err) {
+        console.log(err)
+        assert.include(err.message, 'test error')
+      }
+    })
+  })
+})