Finish the list scaffold command for #38.

handroll/scaffolder.py

@@ -8,6 +8,35 @@
 LIST_SCAFFOLDS = 1
 
 
+def make(scaffold, site):
+    """Use the given scaffold to make a site or list what is available."""
+    if scaffold == LIST_SCAFFOLDS:
+        list_scaffolds()
+    else:
+        make_scaffold(scaffold, site)
+
+
+def list_scaffolds():
+    """List out all available scaffolds."""
+    print _('Available scaffolds:\n')
+    for scaffold in sorted(BUILTIN_SCAFFOLDS.keys()):
+        print display_scaffold(scaffold, get_label(scaffold))
+    print ''
+
+
+def display_scaffold(scaffold, label):
+    """Display a scaffold in a consistent way for listing."""
+    return '  {0: <12}| {1}'.format(scaffold, label)
+
+
 def get_label(scaffold):
     """Get the label for the scaffold."""
     return BUILTIN_SCAFFOLDS[scaffold]
+
+
+def make_scaffold(scaffold, site):
+    """Make a site from the scaffold."""
+    # TODO: check that the scaffold is available.
+    # TODO: check the site does not exist.
+    # TODO: make the site directory.
+    # TODO: populate the site with content from the scaffold.

handroll/tests/test_scaffolder.py

@@ -1,5 +1,7 @@
 # Copyright (c) 2015, Matt Layman
 
+import mock
+
 from handroll import scaffolder
 from handroll.i18n import _
 from handroll.tests import TestCase
@@ -10,3 +12,19 @@ class TestScaffolder(TestCase):
     def test_default_scaffolder_label(self):
         label = scaffolder.get_label('default')
         self.assertEqual(_('A complete site to get you going'), label)
+
+    def test_list_format(self):
+        display = scaffolder.display_scaffold('scaffold', 'It rocks')
+        self.assertEqual('  scaffold    | It rocks', display)
+        display = scaffolder.display_scaffold('short', 'Rocks too')
+        self.assertEqual('  short       | Rocks too', display)
+
+    @mock.patch('handroll.scaffolder.display_scaffold')
+    def test_displays_scaffolds(self, display_scaffold):
+        scaffolder.make(scaffolder.LIST_SCAFFOLDS, 'dontcare')
+        self.assertTrue(display_scaffold.called)
+
+    @mock.patch('handroll.scaffolder.make_scaffold')
+    def test_makes_scaffold(self, make_scaffold):
+        scaffolder.make('default', 'site')
+        make_scaffold.assert_called_once_with('default', 'site')