FIX: Embeddings validator test needs to use the new Vector class. (#1041)

Author: romanrizzi

lib/configuration/embeddings_model_validator.rb

@@ -35,11 +35,8 @@ def error_message
       end
 
       def can_generate_embeddings?(val)
-        DiscourseAi::Embeddings::VectorRepresentations::Base
-          .find_representation(val)
-          .new(DiscourseAi::Embeddings::Strategies::Truncation.new)
-          .vector_from("this is a test")
-          .present?
+        vdef = DiscourseAi::Embeddings::VectorRepresentations::Base.find_representation(val).new
+        DiscourseAi::Embeddings::Vector.new(vdef).vector_from("this is a test").present?
       end
     end
   end

spec/configuration/embeddings_model_validator_spec.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+require_relative "../support/embeddings_generation_stubs"
+
+RSpec.describe DiscourseAi::Configuration::EmbeddingsModelValidator do
+  before { SiteSetting.ai_embeddings_discourse_service_api_endpoint = "http://test.com" }
+
+  describe "#can_generate_embeddings?" do
+    it "works" do
+      discourse_model = "all-mpnet-base-v2"
+
+      EmbeddingsGenerationStubs.discourse_service(discourse_model, "this is a test", [1] * 1024)
+
+      expect(subject.can_generate_embeddings?(discourse_model)).to eq(true)
+    end
+  end
+end