Add specs

spec/components/admin/custom_fields/role_assignment_preview_dialog_component_spec.rb

@@ -0,0 +1,162 @@
+# frozen_string_literal: true
+
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+require "rails_helper"
+
+RSpec.describe Admin::CustomFields::RoleAssignmentPreviewDialogComponent, type: :component do
+  let(:old_role) { create(:project_role) }
+  let(:new_role) { create(:project_role) }
+  let(:custom_field) { create(:project_custom_field, :user, role: old_role) }
+
+  let(:instance) do
+    described_class.new(
+      custom_field: custom_field,
+      role: new_role
+    )
+  end
+
+  describe "#membership_changes" do
+    subject { instance.send(:membership_changes) }
+
+    context "when no custom values exist" do
+      it "does not return any changes" do
+        expect(custom_field.custom_values).to be_empty
+        expect(subject).to be_empty
+      end
+    end
+
+    context "when a custom value exists and the user is not a member of the project" do
+      let(:project) { create(:project) }
+      let(:user) { create(:user) }
+      let!(:custom_value) do
+        build(:custom_value, custom_field: custom_field, customized: project, value: user.id).tap { it.save(validate: false) }
+      end
+
+      it "returns that the user will get a new membership" do
+        expect(subject.count).to eq(1)
+        change = subject.first
+        expect(change.user).to eq(user)
+        expect(change.project).to eq(project)
+        expect(change.change).to eq(I18n.t("custom_fields.admin.role_assignment.dialog.changes.new_member"))
+      end
+    end
+
+    context "when a custom value exists and the user is already a member of the project with the old role" do
+      let(:project) { create(:project) }
+      let(:user) { create(:user) }
+      let!(:membership) { create(:member, project: project, user: user, roles: [old_role]) }
+      let!(:custom_value) do
+        build(:custom_value, custom_field: custom_field, customized: project, value: user.id).tap { it.save(validate: false) }
+      end
+
+      it "returns that the user will lose the old role and gain the new role" do
+        expect(subject.count).to eq(1)
+        change = subject.first
+        expect(change.user).to eq(user)
+        expect(change.project).to eq(project)
+        expect(change.change).to eq(
+          I18n.t(
+            "custom_fields.admin.role_assignment.dialog.changes.gain_and_lose_role",
+            old_role: old_role.name,
+            new_role: new_role.name
+          )
+        )
+      end
+    end
+
+    context "when a custom value exists and the user is already a member of the project but with a different role" do
+      let(:project) { create(:project) }
+      let(:user) { create(:user) }
+      let(:old_role) { nil }
+      let!(:membership) { create(:member, project: project, user: user, roles: [create(:project_role)]) }
+      let!(:custom_value) do
+        build(:custom_value, custom_field: custom_field, customized: project, value: user.id).tap { it.save(validate: false) }
+      end
+
+      it "returns that the user will lose the old role and gain the new role" do
+        expect(subject.count).to eq(1)
+        change = subject.first
+        expect(change.user).to eq(user)
+        expect(change.project).to eq(project)
+        expect(change.change).to eq(
+          I18n.t(
+            "custom_fields.admin.role_assignment.dialog.changes.gain_role",
+            new_role: new_role.name
+          )
+        )
+      end
+    end
+
+    context "when removing a role assignment" do
+      context "when a custom value exists and the user is already a member of the project with only the old role" do
+        let(:project) { create(:project) }
+        let(:user) { create(:user) }
+        let(:new_role) { nil }
+        let!(:membership) { create(:member, project: project, user: user, roles: [old_role]) }
+        let!(:custom_value) do
+          build(:custom_value, custom_field: custom_field, customized: project, value: user.id).tap { it.save(validate: false) }
+        end
+
+        it "returns that the user will lose the old role and gain the new role" do
+          expect(subject.count).to eq(1)
+          change = subject.first
+          expect(change.user).to eq(user)
+          expect(change.project).to eq(project)
+          expect(change.change).to eq(I18n.t("custom_fields.admin.role_assignment.dialog.changes.remove_member"))
+        end
+      end
+
+      context "when a custom value exists and the user is already a member of the project with also the old role" do
+        let(:project) { create(:project) }
+        let(:user) { create(:user) }
+        let(:new_role) { nil }
+        let!(:membership) { create(:member, project: project, user: user, roles: [old_role, create(:project_role)]) }
+        let!(:custom_value) do
+          build(:custom_value, custom_field: custom_field, customized: project, value: user.id).tap do |cv|
+            cv.save(validate: false)
+          end
+        end
+
+        it "returns that the user will lose the old role and gain the new role" do
+          expect(subject.count).to eq(1)
+          change = subject.first
+          expect(change.user).to eq(user)
+          expect(change.project).to eq(project)
+          expect(change.change).to eq(
+            I18n.t(
+              "custom_fields.admin.role_assignment.dialog.changes.lose_role",
+              old_role: old_role.name
+            )
+          )
+        end
+      end
+    end
+  end
+end