recursive rename/mv directories. Fixes #9.

Author: jorinvo

src/index.js

@@ -183,8 +183,13 @@ function bashEmulator (initialState) {
         return Promise.reject(source + ': No such file or directory')
       }
       return parentExists(destinationPath).then(function () {
-        state.fileSystem[destinationPath] = state.fileSystem[sourcePath]
-        delete state.fileSystem[sourcePath]
+        Object.keys(state.fileSystem).forEach(function (key) {
+          if (key.startsWith(sourcePath)) {
+            var destKey = key.replace(sourcePath, destinationPath)
+            state.fileSystem[destKey] = state.fileSystem[key]
+            delete state.fileSystem[key]
+          }
+        })
       })
     },
 

test/commands/mv.js

@@ -24,13 +24,21 @@ function emulator () {
         type: 'file',
         modified: Date.now(),
         content: 'some err'
+      },
+      '/somedir': {
+        type: 'dir',
+        modified: Date.now()
+      },
+      '/somedir/subdir': {
+        type: 'dir',
+        modified: Date.now()
       }
     }
   })
 }
 
 test('mv', function (t) {
-  t.plan(28)
+  t.plan(33)
 
   emulator().run('mv').then(null, function (output) {
     t.equal(output, 'mv: missing file operand', 'fail without args')
@@ -157,4 +165,28 @@ test('mv', function (t) {
     }).then(function (output) {
       t.equal(output, 'read this first', 'create new file')
     })
+
+  var mul8 = emulator()
+  mul8.run('mv somedir othername')
+    .then(function (output) {
+      t.equal(output, '', 'no output on success')
+      return mul8.stat('somedir')
+    })
+    .then(null, function () {
+      t.ok(true, 'old directory is gone')
+      return mul8.stat('somedir/subdir')
+    })
+    .then(null, function () {
+      t.ok(true, 'old sub-directory is gone')
+      return mul8.stat('othername')
+    })
+    .then(function () {
+      t.ok(true, 'directory is at new location')
+      return mul8.stat('othername/subdir')
+    }, function () {
+      console.log(arguments)
+    })
+    .then(function () {
+      t.ok(true, 'sub-directory has been moved too')
+    })
 })