feat: add session controller tests

spec/controllers/sessions_controller_spec.rb

@@ -0,0 +1,33 @@
+require "rails_helper"
+
+RSpec.describe SessionsController do
+  describe "#clear_filters" do
+    context "when filter_type is lettings_logs" do
+      let(:filter_type) { "lettings_logs" }
+
+      it "clears only lettings filters" do
+        session[:lettings_logs_filters] = "{'some_category':'some_filter'}"
+        session[:sales_logs_filters] = "{'some_other_category':'some_other_filter'}"
+
+        get :clear_filters, params: { filter_type: }
+
+        expect(session[:lettings_logs_filters]).to eq("{}")
+        expect(session[:sales_logs_filters]).to eq("{'some_other_category':'some_other_filter'}")
+      end
+    end
+
+    context "when filter_type is sales_logs" do
+      let(:filter_type) { "sales_logs" }
+
+      it "clears only sales filters" do
+        session[:lettings_logs_filters] = "{'some_category':'some_filter'}"
+        session[:sales_logs_filters] = "{'some_other_category':'some_other_filter'}"
+
+        get :clear_filters, params: { filter_type: }
+
+        expect(session[:lettings_logs_filters]).to eq("{'some_category':'some_filter'}")
+        expect(session[:sales_logs_filters]).to eq("{}")
+      end
+    end
+  end
+end