2 files changed, 50 insertions, 1 deletions
diff --git a/spec/models/customer_relations/contact_spec.rb b/spec/models/customer_relations/contact_spec.rb
index 298d5db3ab9..3a2d4e2d0ca 100644
--- a/spec/models/customer_relations/contact_spec.rb
+++ b/spec/models/customer_relations/contact_spec.rb
@@ -6,7 +6,8 @@ RSpec.describe CustomerRelations::Contact, type: :model do
   describe 'associations' do
     it { is_expected.to belong_to(:group) }
     it { is_expected.to belong_to(:organization).optional }
-    it { is_expected.to have_and_belong_to_many(:issues) }
+    it { is_expected.to have_many(:issue_contacts) }
+    it { is_expected.to have_many(:issues) }
   end
 
   describe 'validations' do
diff --git a/spec/models/customer_relations/issue_contact_spec.rb b/spec/models/customer_relations/issue_contact_spec.rb
new file mode 100644
index 00000000000..3747d159833
--- /dev/null
+++ b/spec/models/customer_relations/issue_contact_spec.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe CustomerRelations::IssueContact do
+  let_it_be(:issue_contact, reload: true) { create(:issue_customer_relations_contact) }
+
+  subject { issue_contact }
+
+  it { expect(subject).to be_valid }
+
+  describe 'associations' do
+    it { is_expected.to belong_to(:issue).required }
+    it { is_expected.to belong_to(:contact).required }
+  end
+
+  describe 'factory' do
+    let(:built) { build(:issue_customer_relations_contact) }
+    let(:stubbed) { build_stubbed(:issue_customer_relations_contact) }
+    let(:created) { create(:issue_customer_relations_contact) }
+
+    let(:group) { build(:group) }
+    let(:project) { build(:project, group: group) }
+    let(:issue) { build(:issue, project: project) }
+    let(:contact) { build(:contact, group: group) }
+    let(:for_issue) { build(:issue_customer_relations_contact, :for_issue, issue: issue) }
+    let(:for_contact) { build(:issue_customer_relations_contact, :for_contact, contact: contact) }
+
+    it 'uses objects from the same group', :aggregate_failures do
+      expect(stubbed.contact.group).to eq(stubbed.issue.project.group)
+      expect(built.contact.group).to eq(built.issue.project.group)
+      expect(created.contact.group).to eq(created.issue.project.group)
+    end
+
+    it 'builds using the same group', :aggregate_failures do
+      expect(for_issue.contact.group).to eq(group)
+      expect(for_contact.issue.project.group).to eq(group)
+    end
+  end
+
+  describe 'validation' do
+    let(:built) { build(:issue_customer_relations_contact, issue: create(:issue), contact: create(:contact)) }
+
+    it 'fails when the contact group does not match the issue group' do
+      expect(built).not_to be_valid
+    end
+  end
+end