updated test cases in csv_controller_spec.rb and ensured passed, incl…

…uded test.csv for testing purposes

spec/controllers/application_controller_spec.rb

@@ -7,8 +7,7 @@
   describe '#current_user' do
     context 'when session contains user_id' do
       before do
-        @user = User.create!(uid: '12345', provider: 'google_oauth2', email: '[email protected]', first_name: 'John',
-                             last_name: 'Doe')
+        @user = User.create!(uid: '12345', provider: 'google_oauth2', email: '[email protected]', first_name: 'John', last_name: 'Doe')
         session[:user_id] = @user.id
         puts "session[:user_id] = #{session[:user_id]}"
       end
@@ -32,8 +31,7 @@
   describe '#logged_in?' do
     context 'when user is logged in' do
       before do
-        @user = User.create!(uid: '12345', provider: 'google_oauth2', email: '[email protected]', first_name: 'John',
-                             last_name: 'Doe')
+        @user = User.create!(uid: '12345', provider: 'google_oauth2', email: '[email protected]', first_name: 'John', last_name: 'Doe')
         session[:user_id] = @user.id
       end
 

spec/controllers/csv_controller_spec.rb

@@ -0,0 +1,34 @@
+# spec/controllers/csv_controller_spec.rb
+require 'rails_helper'
+
+RSpec.describe CsvController, type: :controller do
+  before do
+    # Create a user and set session user_id as done in your application_controller_spec.rb
+    @user = User.create!(uid: '12345', provider: 'google_oauth2', email: '[email protected]', first_name: 'John', last_name: 'Doe')
+    session[:user_id] = @user.id
+  end
+
+  let(:file) { fixture_file_upload(Rails.root.join('spec', 'fixtures', 'files', 'test.csv'), 'text/csv') }
+
+  describe "POST #upload" do
+    context "with a valid CSV file" do
+      it "processes the CSV file, sets a success flash, and redirects to the user's page" do
+        post :upload, params: { csv_file: file }
+
+        expect(response).to have_http_status(:redirect)
+        expect(response).to redirect_to(user_path(@user))  # Redirect to the current user's page
+        expect(flash[:notice]).to eq("CSV file uploaded successfully.")
+      end
+    end
+
+    context "when no CSV file is selected" do
+      it "sets an error flash and redirects to the user's page" do
+        post :upload, params: { csv_file: nil }
+
+        expect(response).to have_http_status(:redirect)
+        expect(response).to redirect_to(user_path(@user))  # Redirect to the current user's page
+        expect(flash[:error]).to eq("Please upload a CSV file.")
+      end
+    end
+  end
+end

spec/fixtures/files/test.csv

@@ -0,0 +1,5 @@
+Name,Age,Occupation
+Alice,25,Engineer
+Bob,30,Doctor
+Charlie,35,Artist
+Diana,40,Scientist