Add sinon stubs to tests to ensure functions are called.

Author: wbobeirne

test/unit/action/log.spec.js

@@ -9,21 +9,22 @@ describe('Action Logs Unit Tests', () => {
   let sandbox;
   let ipc;
   let ipcRenderer;
-
-  const RNFS = {
-    DocumentDirectoryPath: '/foo/bar',
-    readFile: () => Promise.resolve('logs'),
-  };
-  const Share = {
-    share: () => Promise.resolve(true),
-  };
+  let RNFS;
+  let Share;
 
   beforeEach(() => {
     sandbox = sinon.createSandbox({});
     ipcRenderer = {
       send: sinon.stub(),
       on: sinon.stub().yields('some-event', 'some-arg'),
     };
+    RNFS = {
+      DocumentDirectoryPath: '/foo/bar',
+      readFile: sinon.stub().resolves('logs'),
+    };
+    Share = {
+      share: sinon.stub().resolves(true),
+    };
   });
 
   afterEach(() => {
@@ -143,6 +144,7 @@ describe('Action Logs Unit Tests', () => {
       it('should return logs with an FS constructor argument', async () => {
         new LogAction(store, ipc, false, RNFS);
         expect(await log.getLogs(), 'to be a string');
+        expect(RNFS.readFile.called, 'to be true');
       });
     });
 
@@ -154,6 +156,8 @@ describe('Action Logs Unit Tests', () => {
       it('should share the logs with a Share and FS constructor argument', async () => {
         new LogAction(store, ipc, false, RNFS, Share);
         expect(await log.shareLogs(), 'to be ok');
+        expect(RNFS.readFile.called, 'to be true');
+        expect(Share.share.called, 'to be true');
       });
     });
   });