Use default namespace to load nested schemas from the correct namespace

Fixes dasch#186

avro_turf.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "avro", ">= 1.8.0", "< 1.12"
+  spec.add_dependency "avro", ">= 1.11.3", "< 1.12"
   spec.add_dependency "excon", "~> 0.104"
 
   spec.add_development_dependency "bundler", "~> 2.0"

lib/avro_turf/schema_store.rb

@@ -74,7 +74,7 @@ def load_schema!(fullname, local_schemas_cache = {})
     # Try to first resolve a referenced schema from disk.
     # If this is successful, the Avro gem will have mutated the
     # local_schemas_cache, adding all the new schemas it found.
-    load_schema!(e.type_name, local_schemas_cache)
+    load_schema!(::Avro::Name.make_fullname(e.type_name, e.default_namespace), local_schemas_cache)
 
     # Attempt to re-parse the original schema now that the dependency
     # has been resolved and use the now-updated local_schemas_cache to

spec/schema_store_spec.rb

@@ -26,6 +26,35 @@
       expect(schema.fullname).to eq "message"
     end
 
+    it 'searches for nested types with the correct namespace' do
+      define_schema "foo/bar.avsc", <<-AVSC
+        {
+          "type": "record",
+          "namespace": "foo",
+          "name": "bar",
+          "fields": [
+            {
+              "name": "another",
+              "type": "another_schema"
+            }     
+          ]
+        }
+      AVSC
+
+      define_schema "foo/another_schema.avsc", <<-AVSC
+        {
+          "namespace": "foo",
+          "name": "another_schema", 
+          "type": "record",
+          "fields": [ { "name": "str", "type": "string" } ]
+        }
+      AVSC
+
+      schema = store.find('foo.bar')
+      expect(schema.fullname).to eq "foo.bar"
+      expect(schema.fields.first.type.fullname).to eq "foo.another_schema"
+    end
+
     it "resolves missing references when nested schema is not a named type" do
       define_schema "root.avsc", <<-AVSC
         {

spec/spec_helper.rb

@@ -9,7 +9,10 @@
 
 module Helpers
   def define_schema(path, content)
-    File.open(File.join("spec/schemas", path), "w") do |f|
+    file = File.join("spec/schemas", path)
+    dir = File.dirname(file)
+    FileUtils.mkdir_p(dir)
+    File.open(file, "w") do |f|
       f.write(content)
     end
   end