Grouper with sorted group names (https://groups.google.com/forum/#!topic/hyde-dev/RhBhl9ZQZoI). This test can be executed by adding to the end of test_grouper.py

test_grouper.py

    def test_nav_with_grouper(self):

        text ="""
{% for group, resources in site.content.walk_section_groups() %}
<ul>
    <li>
        <h2>{{ group.name|title }}</h2>
        <h3>{{ group.description }}</h3>
        <ul class="links">
            {% for resource in resources %}
            <li>{{resource.name}}</li>
            {% endfor %}
        </ul>
    </li>
</ul>
{% endfor %}

"""
        expected = """
<ul>
    <li>
        <h2>Section</h2>
        <h3>Sections in the site</h3>
        <ul class="links"></ul>
    </li>
</ul>
<ul>
    <li>
        <h2>Start</h2>
        <h3>Getting Started</h3>
        <ul class="links">
            <li>installation.html</li>
            <li>overview.html</li>
            <li>templating.html</li>
        </ul>
    </li>
</ul>
<ul>
    <li>
        <h2>Plugins</h2>
        <h3>Plugins</h3>
        <ul class="links">
            <li>plugins.html</li>
            <li>tags.html</li>
        </ul>
    </li>
</ul>

"""

        gen = Generator(self.s)
        gen.load_site_if_needed()
        gen.load_template_if_needed()
        out = gen.template.render(text, {'site':self.s})
        assert_html_equals(out, expected)

    def test_nav_with_grouper_sorted(self):

        cfg = """
        nodemeta: meta.yaml
        plugins:
          - hyde.ext.plugins.meta.MetaPlugin
          - hyde.ext.plugins.sorter.SorterPlugin
          - hyde.ext.plugins.grouper.GrouperPlugin
        sorter:
          kind:
              attr:
                  - source_file.kind
              filters:
                  is_processable: True
        grouper:
          section:
              description: Sections in the site
              sorter: kind
              groups:
                  -
                      name: start
                      description: Getting Started
                  -
                      name: awesome
                      description: Awesome
                  -
                      name: plugins
                      description: Plugins

        """
        self.s.config = Config(TEST_SITE, config_dict=yaml.load(cfg))
        self.s.load()
        MetaPlugin(self.s).begin_site()
        SorterPlugin(self.s).begin_site()
        GrouperPlugin(self.s).begin_site()

        text ="""
{% set sorted = site.grouper['section'].groups|sort(attribute='name') %}
{% for group in sorted %}
<ul>
    <li>
        <h2>{{ group.name|title }}</h2>
        <h3>{{ group.description }}</h3>
        <ul class="links">
            {% for resource in group.walk_resources_in_node(site.content) %}
            <li>{{resource.name}}</li>
            {% endfor %}
        </ul>
    </li>
</ul>
{% endfor %}

"""
        expected = """
<ul>
    <li>
        <h2>Awesome</h2>
        <h3>Awesome</h3>
        <ul class="links">
        </ul>
    </li>
</ul>
<ul>
    <li>
        <h2>Plugins</h2>
        <h3>Plugins</h3>
        <ul class="links">
            <li>plugins.html</li>
            <li>tags.html</li>
        </ul>
    </li>
</ul>
<ul>
    <li>
        <h2>Start</h2>
        <h3>Getting Started</h3>
        <ul class="links">
            <li>installation.html</li>
            <li>overview.html</li>
            <li>templating.html</li>
        </ul>
    </li>
</ul>


"""
        self.s.config.grouper.section.groups.append(Expando({"name": "awesome", "description": "Aweesoome"}));
        gen = Generator(self.s)
        gen.load_site_if_needed()
        gen.load_template_if_needed()
        out = gen.template.render(text, {'site':self.s})
        assert_html_equals(out, expected)