AR serializer tests

spec/datadog/di/serializer_rails_spec.rb

@@ -1,98 +1,101 @@
-require "datadog/di/spec_helper"
-require "datadog/di/serializer"
-require_relative 'serializer_helper'
-require 'active_record'
-require 'sqlite3'
-require "datadog/di/contrib/active_record"
-
-class SerializerRailsSpecTestEmptyModel < ActiveRecord::Base
-end
+if defined?(ActiveRecord::Base)
+raise 'ok to run tests'
+  require "datadog/di/spec_helper"
+  require "datadog/di/serializer"
+  require_relative 'serializer_helper'
+  require 'active_record'
+  require 'sqlite3'
+  require "datadog/di/contrib/active_record"
+
+  class SerializerRailsSpecTestEmptyModel < ActiveRecord::Base
+  end
 
-class SerializerRailsSpecTestBasicModel < ActiveRecord::Base
-end
+  class SerializerRailsSpecTestBasicModel < ActiveRecord::Base
+  end
 
-RSpec.describe Datadog::DI::Serializer do
-  di_test
+  RSpec.describe Datadog::DI::Serializer do
+    di_test
 
-  extend SerializerHelper
+    extend SerializerHelper
 
-  before(:all) do
-    @original_config = begin
-      if defined?(::ActiveRecord::Base.connection_db_config)
-        ::ActiveRecord::Base.connection_db_config
-      else
-        ::ActiveRecord::Base.connection_config
+    before(:all) do
+      @original_config = begin
+        if defined?(::ActiveRecord::Base.connection_db_config)
+          ::ActiveRecord::Base.connection_db_config
+        else
+          ::ActiveRecord::Base.connection_config
+        end
+      rescue ActiveRecord::ConnectionNotEstablished
       end
-    rescue ActiveRecord::ConnectionNotEstablished
-    end
 
-    ActiveRecord::Base.establish_connection('sqlite3::memory:')
+      ActiveRecord::Base.establish_connection('sqlite3::memory:')
 
-    ActiveRecord::Schema.define(version: 20161003090450) do
-      create_table 'serializer_rails_spec_test_empty_models', force: :cascade do |t|
-      end
+      ActiveRecord::Schema.define(version: 20161003090450) do
+        create_table 'serializer_rails_spec_test_empty_models', force: :cascade do |t|
+        end
 
-      create_table 'serializer_rails_spec_test_basic_models', force: :cascade do |t|
-        t.string   'title'
-        t.datetime 'created_at', null: false
-        t.datetime 'updated_at', null: false
+        create_table 'serializer_rails_spec_test_basic_models', force: :cascade do |t|
+          t.string   'title'
+          t.datetime 'created_at', null: false
+          t.datetime 'updated_at', null: false
+        end
       end
+
     end
 
-  end
+    after(:all) do
+      ::ActiveRecord::Base.establish_connection(@original_config) if @original_config
+    end
 
-  after(:all) do
-    ::ActiveRecord::Base.establish_connection(@original_config) if @original_config
-  end
+    let(:redactor) do
+      Datadog::DI::Redactor.new(settings)
+    end
 
-  let(:redactor) do
-    Datadog::DI::Redactor.new(settings)
-  end
+    default_settings
 
-  default_settings
+    let(:serializer) do
+      described_class.new(settings, redactor)
+    end
 
-  let(:serializer) do
-    described_class.new(settings, redactor)
-  end
+    describe "#serialize_value" do
+      let(:serialized) do
+        serializer.serialize_value(value, **options)
+      end
 
-  describe "#serialize_value" do
-    let(:serialized) do
-      serializer.serialize_value(value, **options)
+      cases = [
+        {name: "AR model with no attributes",
+          input: -> { SerializerRailsSpecTestEmptyModel.new },
+          expected: {type: "SerializerRailsSpecTestEmptyModel", entries: [[
+            {type: 'Symbol', value: 'attributes'},
+            {type: 'Hash', entries: [[{type: 'String', value: 'id'}, {type: 'NilClass', isNull: true}]]},
+          ]]}},
+        {name: "AR model with empty attributes",
+          input: -> { SerializerRailsSpecTestBasicModel.new },
+          expected: {type: "SerializerRailsSpecTestBasicModel", entries: [[
+            {type: 'Symbol', value: 'attributes'},
+            {type: 'Hash', entries: [
+              [{type: 'String', value: 'id'}, {type: 'NilClass', isNull: true}],
+              [{type: 'String', value: 'title'}, {type: 'NilClass', isNull: true}],
+              [{type: 'String', value: 'created_at'}, {type: 'NilClass', isNull: true}],
+              [{type: 'String', value: 'updated_at'}, {type: 'NilClass', isNull: true}],
+            ]},
+          ]]}},
+        {name: "AR model with filled out attributes",
+          input: -> { SerializerRailsSpecTestBasicModel.new(
+            title: 'Hello, world!', created_at: Time.utc(2020, 1, 2), updated_at: Time.utc(2020, 1, 3)) },
+          expected: {type: "SerializerRailsSpecTestBasicModel", entries: [[
+            {type: 'Symbol', value: 'attributes'},
+            {type: 'Hash', entries: [
+              [{type: 'String', value: 'id'}, {type: 'NilClass', isNull: true}],
+              [{type: 'String', value: 'title'}, {type: 'String', value: 'Hello, world!'}],
+              # TODO serialize Time, Date, DateTime types
+              [{type: 'String', value: 'created_at'}, {type: 'Time', value: '2020-01-02T00:00:00Z'}],
+              [{type: 'String', value: 'updated_at'}, {type: 'Time', value: '2020-01-03T00:00:00Z'}],
+            ]},
+          ]]}},
+      ]
+
+      define_serialize_value_cases(cases)
     end
-
-    cases = [
-      {name: "AR model with no attributes",
-        input: -> { SerializerRailsSpecTestEmptyModel.new },
-        expected: {type: "SerializerRailsSpecTestEmptyModel", entries: [[
-          {type: 'Symbol', value: 'attributes'},
-          {type: 'Hash', entries: [[{type: 'String', value: 'id'}, {type: 'NilClass', isNull: true}]]},
-        ]]}},
-      {name: "AR model with empty attributes",
-        input: -> { SerializerRailsSpecTestBasicModel.new },
-        expected: {type: "SerializerRailsSpecTestBasicModel", entries: [[
-          {type: 'Symbol', value: 'attributes'},
-          {type: 'Hash', entries: [
-            [{type: 'String', value: 'id'}, {type: 'NilClass', isNull: true}],
-            [{type: 'String', value: 'title'}, {type: 'NilClass', isNull: true}],
-            [{type: 'String', value: 'created_at'}, {type: 'NilClass', isNull: true}],
-            [{type: 'String', value: 'updated_at'}, {type: 'NilClass', isNull: true}],
-          ]},
-        ]]}},
-      {name: "AR model with filled out attributes",
-        input: -> { SerializerRailsSpecTestBasicModel.new(
-          title: 'Hello, world!', created_at: Time.utc(2020, 1, 2), updated_at: Time.utc(2020, 1, 3)) },
-        expected: {type: "SerializerRailsSpecTestBasicModel", entries: [[
-          {type: 'Symbol', value: 'attributes'},
-          {type: 'Hash', entries: [
-            [{type: 'String', value: 'id'}, {type: 'NilClass', isNull: true}],
-            [{type: 'String', value: 'title'}, {type: 'String', value: 'Hello, world!'}],
-            # TODO serialize Time, Date, DateTime types
-            [{type: 'String', value: 'created_at'}, {type: 'Time', value: '2020-01-02T00:00:00Z'}],
-            [{type: 'String', value: 'updated_at'}, {type: 'Time', value: '2020-01-03T00:00:00Z'}],
-          ]},
-        ]]}},
-    ]
-
-    define_serialize_value_cases(cases)
   end
 end