Password controller test coverage (#269)

* Added test cases for password controller

* Updated the test cases description

Co-authored-by: Gowsik <gowsik@saeloun.com>

spec/requests/users/passwords/update_spec.rb

@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe "Users::Passwords#update", type: :request do
+  let(:company) { create(:company) }
+  let(:user) { create(:user, current_workspace_id: company.id) }
+
+  context "when the password token is valid" do
+    before do
+      create(:company_user, company:, user:)
+      user.add_role :admin, company
+      send_request :patch, user_password_path, params: {
+        user: {
+          email: user.email,
+          password: "testpassword",
+          reset_password_token: user.send_reset_password_instructions
+        }
+      }
+    end
+
+    it "returns redirect http status" do
+      expect(response).to have_http_status(:redirect)
+    end
+
+    it "redirects to root_path" do
+      expect(response).to redirect_to(root_path)
+    end
+
+    it "returns success flash notice" do
+      expect(flash[:notice])
+        .to eq("Your password has been changed successfully. You are now signed in.")
+    end
+  end
+
+  context "when the password token is invalid" do
+    before do
+      create(:company_user, company:, user:)
+      user.add_role :admin, company
+      send_request :patch, user_password_path, params: {
+        user: {
+          email: user.email,
+          password: "testpassword",
+          reset_password_token: "invalid_token"
+        }
+      }
+    end
+
+    it "returns success response" do
+      expect(response).to be_successful
+    end
+
+    it "returns error flash message" do
+      expect(flash[:error]).to eq("Reset password token is invalid")
+    end
+  end
+end