add erb_spec for catalog/_document partial

spec/views/catalog/_document.html.erb_spec.rb

@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe "catalog/_document" do
+  let :document do
+    SolrDocument.new :id => 'xyz', :format => 'a'
+  end
+
+  let :blacklight_config do
+    Blacklight::Configuration.new
+  end
+
+  it "should render the header, thumbnail and index" do
+    view.stub(:blacklight_config).and_return(blacklight_config)
+    stub_template "catalog/_document_header.html.erb" => "document_header"
+    stub_template "catalog/_thumbnail_default.html.erb" => "thumbnail_default"
+    stub_template "catalog/_index_default.html.erb" => "index_default"
+    render :partial => "catalog/document", :locals => {:document => document, :document_counter => 1}
+    expect(rendered).to match /document_header/
+    expect(rendered).to match /thumbnail_default/
+    expect(rendered).to match /index_default/
+  end
+end