diff --git a/lib/caoutsearch/instrumentation/base.rb b/lib/caoutsearch/instrumentation/base.rb
index 4654bc0..3a75235 100644
--- a/lib/caoutsearch/instrumentation/base.rb
+++ b/lib/caoutsearch/instrumentation/base.rb
@@ -12,7 +12,7 @@ def log_request(subject, event, format: nil)
         request = payload[:request]
 
         debug do
-          title = color("#{payload[:klass]} #{subject}", GREEN, true)
+          title = color("#{payload[:klass]} #{subject}", GREEN, bold: true)
           request_body = format_request_body(request, format: format)
 
           message = "  #{title} #{request_body}"
@@ -27,11 +27,11 @@ def log_response(subject, event, warn_errors: false)
         return unless response
 
         debug do
-          title = color("#{payload[:klass]} #{subject}", GREEN, true)
+          title = color("#{payload[:klass]} #{subject}", GREEN, bold: true)
 
           duration = "#{event.duration.round(1)}ms"
           duration += " / took #{response["took"]}ms" if response.key?("took")
-          duration = color("(#{duration})", GREEN, true)
+          duration = color("(#{duration})", GREEN, bold: true)
 
           message = "  #{title} #{duration}"
           message += " got errors" if response["errors"]
@@ -44,7 +44,7 @@ def log_response(subject, event, warn_errors: false)
 
         errors = response["items"].select { |k, _| k.values.first["error"] }
         errors.each do |error|
-          warn { color(error, RED, true) }
+          warn { color(error, RED, bold: true) }
         end
       end
 
@@ -54,16 +54,24 @@ def format_request_body(body, format: nil)
           body.ai(limit: true, index: false)
         when "full"
           json = MultiJson.dump(body)
-          color(json, BLUE, true)
+          color(json, BLUE, bold: true)
         when "truncated"
           json = MultiJson.dump(body).truncate(200, omission: "…}")
-          color(json, BLUE, true)
+          color(json, BLUE, bold: true)
         end
       end
 
       def inspect_json_size(json)
         ApplicationController.helpers.number_to_human_size(MultiJson.dump(json).bytesize)
       end
+
+      def color(message, color, bold: false)
+        if Gem::Version.new(ActiveSupport.version) >= Gem::Version.new("7.1.0")
+          super
+        else
+          super(message, color, bold)
+        end
+      end
     end
   end
 end
diff --git a/spec/caoutsearch/instrumentation/index_spec.rb b/spec/caoutsearch/instrumentation/index_spec.rb
new file mode 100644
index 0000000..0fcd0e4
--- /dev/null
+++ b/spec/caoutsearch/instrumentation/index_spec.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe Caoutsearch::Instrumentation::Index do
+  before do
+    Caoutsearch.instrument!(index: true)
+
+    stub_index_class("SampleIndex")
+    stub_record_class("Sample")
+  end
+
+  pending "TODO"
+end
diff --git a/spec/caoutsearch/instrumentation/search_spec.rb b/spec/caoutsearch/instrumentation/search_spec.rb
new file mode 100644
index 0000000..56d27ff
--- /dev/null
+++ b/spec/caoutsearch/instrumentation/search_spec.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe Caoutsearch::Instrumentation::Search do
+  let!(:search) { search_class.new }
+  let!(:search_class) { stub_search_class("SampleSearch") }
+
+  before do
+    stub_elasticsearch_search_request("samples", [
+      {"_id" => "135", "_source" => {"name" => "Hello World"}},
+      {"_id" => "137", "_source" => {"name" => "Hello World"}}
+    ])
+  end
+
+  context "when setting instrumentation to full" do
+    before { Caoutsearch.instrument!(search: "full") }
+
+    it "saves instrumentation options" do
+      expect(Caoutsearch.instrumentation_options).to eq({search: "full"})
+    end
+
+    it "instruments the search query" do
+      pending "TODO"
+
+      expect { search.response }.to match_instrumentation
+    end
+  end
+end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index f32c828..2f83df5 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -54,6 +54,11 @@
       end
     end
   end
+
+  config.after :context, :instrumentation do
+    Caoutsearch::Instrumentation::Index.detach_from :caoutsearch_index
+    Caoutsearch::Instrumentation::Search.detach_from :caoutsearch_search
+  end
 end
 
 def stub_index_class(class_name, &block)