Fix: Cannot access associations of 'dashed' type for a newly initialised resource.

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ## Unreleased
+- [#372](https://github.com/JsonApiClient/json_api_client/pull/372) - Fix handling of dashed-types associations correctly
 
 ## 1.17.1
 - [#370](https://github.com/JsonApiClient/json_api_client/pull/370) - bigdecimal 2 support

lib/json_api_client/associations/base_association.rb

@@ -24,7 +24,7 @@ def from_result_set(result_set)
 
       def load_records(data)
         data.map do |d|
-          record_class = Utils.compute_type(klass, d["type"].classify)
+          record_class = Utils.compute_type(klass, klass.key_formatter.unformat(d["type"]).classify)
           record_class.load id: d["id"]
         end
       end

lib/json_api_client/associations/has_one.rb

@@ -7,7 +7,7 @@ def from_result_set(result_set)
         end
 
         def load_records(data)
-          record_class = Utils.compute_type(klass, data["type"].classify)
+          record_class = Utils.compute_type(klass, klass.key_formatter.unformat(data["type"]).classify)
           record_class.load id: data["id"]
         end
       end

test/unit/association_test.rb

@@ -61,6 +61,17 @@ def self.route_formatter
   end
 end
 
+class DashedOwner < Formatted
+end
+
+class DashedProperty < Formatted
+  has_one :dashed_owner
+end
+
+class DashedRegion < Formatted
+  has_many :dashed_properties
+end
+
 class Account < TestResource
   property :name
   property :is_active, default: true
@@ -256,6 +267,26 @@ def test_has_one_loads_nil
     assert_nil property.owner, "expected to be able to ask for explicitly declared association even if it's not present"
   end
 
+  def test_load_has_one_with_dasherized_key_type
+    stub_request(:get, "http://example.com/dashed-owners/1")
+      .to_return(headers: {content_type: "application/vnd.api+json"}, body: {
+        data: [
+          {
+            id: 1,
+            type: 'dashed-owners',
+            attributes: {
+              name: "Arjuna"
+            }
+          }
+        ],
+      }.to_json)
+    dashed_owner = DashedOwner.find(1).first
+    dashed_property = DashedProperty.new(dashed_owner: dashed_owner)
+
+    assert_equal(DashedOwner, dashed_property.dashed_owner.class)
+    assert_equal(1, dashed_property.dashed_owner.id)
+  end
+
   def test_has_one_fetches_relationship
     stub_request(:get, "http://example.com/properties/1")
       .to_return(headers: {content_type: "application/vnd.api+json"}, body: {
@@ -554,6 +585,27 @@ def test_load_has_many_single_entry
     assert_equal("123 Main St.", owner.properties.first.address)
   end
 
+  def test_load_has_many_with_dasherized_key_type
+    stub_request(:get, "http://example.com/dashed-properties")
+      .to_return(headers: {content_type: "application/vnd.api+json"}, body: {
+        data: [
+          {
+            id: 1,
+            type: 'dashed-properties',
+            attributes: {
+              address: "78 Street No. 9, Ludhiana"
+            }
+          }
+        ],
+      }.to_json)
+
+    dashed_properties = DashedProperty.all
+    dashed_region = DashedRegion.new(dashed_properties: dashed_properties)
+
+    assert_equal(1, dashed_region.dashed_properties.count)
+    assert_equal(DashedProperty, dashed_region.dashed_properties[0].class)
+  end
+
   def test_respect_included_has_many_relationship_empty_data
     stub_request(:get, "http://example.com/owners/1?include=properties")
       .to_return(headers: {content_type: "application/vnd.api+json"}, body: {