Dialog seeding changes necessary for the service dialog yaml import.

https://bugzilla.redhat.com/show_bug.cgi?id=1163875

Productization requires service dialog import files to be linked into
the manageiq dialog import folder.
Changed dialog seeding to accommodate sub-directories and added tests.

vmdb/app/models/dialog.rb

@@ -1,6 +1,9 @@
 class Dialog < ActiveRecord::Base
   DIALOG_DIR = Rails.root.join("product/dialogs/service_dialogs")
 
+  # The following gets around a glob symbolic link issue
+  ALL_YAML_FILES = DIALOG_DIR.join("{,*/**/}*.{yaml,yml}")
+
   has_many :dialog_tabs, :dependent => :destroy, :order => :position
 
   include DialogMixin
@@ -18,7 +21,7 @@ def self.seed
     dialog_import_service = DialogImportService.new
 
     MiqRegion.my_region.lock do
-      Dir.glob(DIALOG_DIR.join("*.yaml")).each do |file|
+      Dir.glob(ALL_YAML_FILES).each do |file|
         dialog_import_service.import_all_service_dialogs_from_yaml_file(file)
       end
     end

vmdb/spec/fixtures/files/dialogs/service_dialog_symlink

@@ -0,0 +1 @@
+service_dialogs/

vmdb/spec/models/dialog_spec.rb

@@ -4,17 +4,40 @@
   describe ".seed" do
     let(:dialog_import_service) { instance_double("DialogImportService") }
     let(:test_file_path) { Rails.root.join("spec/fixtures/files/dialogs") }
+    let(:all_yaml_files) { test_file_path.join("{,*/**/}*.{yaml,yml}") }
 
     before do
       MiqRegion.seed
       DialogImportService.stub(:new).and_return(dialog_import_service)
+      dialog_import_service.stub(:import_all_service_dialogs_from_yaml_file)
     end
 
-    it "delegates to the dialog import service" do
-      Dialog.with_constants(:DIALOG_DIR => test_file_path) do
+    it "delegates to the dialog import service with a file in the default directory" do
+      Dialog.with_constants(:DIALOG_DIR => test_file_path, :ALL_YAML_FILES => all_yaml_files) do
         dialog_import_service.should_receive(:import_all_service_dialogs_from_yaml_file).with(
-          test_file_path.join("seed_test.yaml").to_path
-        )
+          test_file_path.join("seed_test.yaml").to_path)
+        dialog_import_service.should_receive(:import_all_service_dialogs_from_yaml_file).with(
+          test_file_path.join("seed_test.yml").to_path)
+        Dialog.seed
+      end
+    end
+
+    it "delegates to the dialog import service with a file in a sub directory" do
+      Dialog.with_constants(:DIALOG_DIR => test_file_path, :ALL_YAML_FILES => all_yaml_files) do
+        dialog_import_service.should_receive(:import_all_service_dialogs_from_yaml_file).with(
+          test_file_path.join("service_dialogs/service_seed_test.yaml").to_path)
+        dialog_import_service.should_receive(:import_all_service_dialogs_from_yaml_file).with(
+          test_file_path.join("service_dialogs/service_seed_test.yml").to_path)
+        Dialog.seed
+      end
+    end
+
+    it "delegates to the dialog import service with a symlinked file" do
+      Dialog.with_constants(:DIALOG_DIR => test_file_path, :ALL_YAML_FILES => all_yaml_files) do
+        dialog_import_service.should_receive(:import_all_service_dialogs_from_yaml_file).with(
+          test_file_path.join("service_dialog_symlink/service_seed_test.yaml").to_path)
+        dialog_import_service.should_receive(:import_all_service_dialogs_from_yaml_file).with(
+          test_file_path.join("service_dialog_symlink/service_seed_test.yml").to_path)
         Dialog.seed
       end
     end