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add partial render method

This enables the user to render partial templates to embed them into
other templates and the like.
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1 parent 603dce8 commit a3caf9ac06a4b1aa87ada904ee7089f9976a69b7 @Gibheer Gibheer committed Sep 3, 2013
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@@ -71,19 +71,26 @@ def templates
# @return [String] the result of rendering
def render(template, types, context)
unless templates.exist_for_types?(layout, types)
- return load_template(template, types).render(context)
+ return render_partial(template, types, context)
end
load_layout_template(types).render(context) do
- load_template(template, types).render(context)
+ render_partial(template, types, context)
end
end
- private
-
- def load_template(template, types)
- templates.get(template, types)
+ # render a template without layout
+ #
+ # This can be used to render a template without using a layout.
+ # @param template [String] the template to render
+ # @param types [Array<String>] a list of types requested to render
+ # @param context [Object] any object to use for rendering
+ # @return [String] the result of rendering
+ def render_partial(template, types, context)
+ templates.get(template, types).render(context)
end
+ private
+
def load_layout_template(types)
templates.get(layout, types)
end
@@ -0,0 +1,3 @@
+layoutfile
+
+<%= yield %>
@@ -0,0 +1,53 @@
+require 'spec_helper'
+
+describe Zero::Renderer, '#render' do
+ subject { described_class.new(template_path, type_map) }
+ let(:template_path) { 'spec/fixtures/templates/' }
+ let(:type_map) {{
+ 'html' => ['text/html', 'text/xml', '*/*'],
+ 'json' => ['application/json', 'plain/text']
+ }}
+ let(:html_types) { ['text/html'] }
+ let(:json_types) { ['application/json'] }
+ let(:foo_types) { ['foo/bar', 'bar/foo'] }
+ let(:binding) { SpecTemplateContext.new('foo') }
+
+ it 'returns a tilt template' do
+ expect(subject.render_partial('index', html_types, binding)
+ ).to be_kind_of(String)
+ end
+
+ it 'renders html content' do
+ expect(subject.render_partial('index', html_types, binding)
+ ).to match('success')
+ end
+
+ it 'returns a tilt template for different types' do
+ expect(subject.render_partial('index', json_types, binding)
+ ).to be_kind_of(String)
+ end
+
+ it 'renders json content' do
+ expect(subject.render_partial('index', json_types, binding)
+ ).to match("{text: 'success'}")
+ end
+
+ it 'returns an ArgumentError, if given template does not exist' do
+ expect {
+ subject.render_partial('foobar', html_types, binding)
+ }.to raise_error(ArgumentError, /Template 'foobar' does not exist/)
+ end
+
+ it 'returns an ArgumentError, if no template fits types' do
+ expect {
+ subject.render_partial('index', foo_types, binding)
+ }.to raise_error(
+ ArgumentError, /Template 'index' not found/)
+ end
+
+ it 'uses the context' do
+ expect(subject.render_partial('context', html_types, binding)
+ ).to match('foo')
+
+ end
+end
@@ -13,38 +13,9 @@
let(:binding) { SpecTemplateContext.new('foo') }
context 'with default layout' do
- it 'returns a tilt template' do
- subject.render('index', html_types, binding).should be_kind_of(String)
- end
-
- it 'renders html content' do
- subject.render('index', html_types, binding).should match('success')
- end
-
- it 'returns a tilt template for different types' do
- subject.render('index', json_types, binding).should be_kind_of(String)
- end
-
- it 'renders json content' do
- subject.render('index', json_types, binding).should match("{text: 'success'}")
- end
-
- it 'returns an ArgumentError, if given template does not exist' do
- expect {
- subject.render('foobar', html_types, binding)
- }.to raise_error(ArgumentError, /Template 'foobar' does not exist/)
- end
-
- it 'returns an ArgumentError, if no template fits types' do
- expect {
- subject.render('index', foo_types, binding)
- }.to raise_error(
- ArgumentError, /Template 'index' not found/)
- end
-
- it 'uses the context' do
- subject.render('context', html_types, binding).should match('foo')
-
+ it 'renders the template' do
+ expect(subject.render('index', html_types, binding)
+ ).to match(/layoutfile[\n]*success/)
end
end

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