Add tests for --output. Update cli usage.

rogeriopvl · Jul 31, 2015 · cff53fa · cff53fa
1 parent 5a5cfd7
commit cff53fa
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Showing 2 changed files with 18 additions and 2 deletions.
diff --git a/index.js b/index.js
@@ -48,7 +48,10 @@ module.exports = function (argv) {
 };
 
 function showHelp() {
-  console.log('Usage: downstagram [-m|--metadata] <username>');
+  console.log('Usage: downstagram [-m|--metadata] [-o|--output] <username>');
+  console.log('Options:')
+  console.log('  --metadata:      for every media file also create a metadata json file');
+  console.log('  --output <path>: define a custom path where the photos will be saved');
 }
 
 function showVersion() {

diff --git a/test/main.js b/test/main.js
@@ -14,7 +14,7 @@ test('downstagram module', function (t) {
 
   var Downstagram = require('../lib/downstagram.js');
 
-  mockFS({ 'media-mock.jpg': 'just a media file mock' });
+  mockFS({ 'media-mock.jpg': 'just a media file mock', '/tmp': {} });
 
   t.test('instance has start method', function (t) {
     t.plan(1);
@@ -78,6 +78,19 @@ test('downstagram module', function (t) {
     });
     d.start();
   });
+
+  t.test('when passing --output saves files in the custom dir', function (t) {
+    t.plan(3);
+    var expectedFolderPath = path.join('/tmp', 'rogeriopvl_instagram_photos');
+
+    var d = new Downstagram('rogeriopvl', { output: '/tmp' });
+    d.on('end', function () {
+      t.ok(fs.existsSync(expectedFolderPath));
+      t.ok(fs.existsSync(path.join(expectedFolderPath, '1438270800.jpg')));
+      t.ok(fs.existsSync(path.join(expectedFolderPath, '1438270899.mp4')));
+    });
+    d.start();
+  });
 }).on('end', function () {
   mockFS.restore();
   Mockery.deregisterAll();