add deleteDir API and tests

Author: phated

lib/workspace.js

@@ -3,6 +3,7 @@
 var fs = require('fs');
 var path = require('path');
 
+var del = require('del');
 var mkdirp = require('mkdirp');
 var Immstruct = require('immstruct').Immstruct;
 
@@ -186,4 +187,28 @@ Workspace.prototype.changeDir = function changeDir(dirpath, cb){
   });
 };
 
+Workspace.prototype.deleteDir = function deleteDir(dirpath, cb){
+  if(typeof dirpath.deref === 'function'){
+    dirpath = dirpath.deref();
+  }
+
+  var projects = this.projects;
+  // TODO: support more than root resolution
+  var resolvedDir = path.resolve(root, dirpath);
+
+  del(resolvedDir, function(err){
+    if(err){
+      return cb(err);
+    }
+
+    projects.update(function(list){
+      return list.filter(function(project){
+        return project !== dirpath;
+      });
+    });
+
+    cb();
+  });
+};
+
 module.exports = Workspace;

package.json

@@ -26,6 +26,7 @@
     "lab": "^5.4.0"
   },
   "dependencies": {
+    "del": "^1.1.1",
     "immstruct": "^1.4.0",
     "mkdirp": "^0.5.0"
   }

test/workspace.js

@@ -223,4 +223,46 @@ lab.experiment('Workspace', function(){
       });
     });
   });
+
+  lab.experiment('#deleteDir', function(){
+
+    var dirname = '.tmpDir';
+
+    lab.beforeEach(function(done){
+      space.changeDir(dirname, done);
+    });
+
+    lab.test('deletes directory & removes from project structure', function(done){
+
+      code.expect(space.projects.contains(dirname)).to.equal(true);
+
+      space.deleteDir(dirname, function(err){
+        code.expect(err).to.not.exist();
+
+        var exists = fs.existsSync(dirname);
+
+        code.expect(exists).to.equal(false);
+        code.expect(space.projects.contains(dirname)).to.equal(false);
+        done(err);
+      });
+    });
+
+    lab.test('accepts a cursor for path', function(done){
+      space.cwd.update(function(){
+        return dirname;
+      });
+
+      code.expect(space.projects.contains(dirname)).to.equal(true);
+
+      space.deleteDir(space.cwd, function(err){
+        code.expect(err).to.not.exist();
+
+        var exists = fs.existsSync(dirname);
+
+        code.expect(exists).to.equal(false);
+        code.expect(space.projects.contains(dirname)).to.equal(false);
+        done(err);
+      });
+    });
+  });
 });