3 files changed, 204 insertions, 0 deletions
diff --git a/spec/graphql/mutations/issues/create_spec.rb b/spec/graphql/mutations/issues/create_spec.rb
new file mode 100644
index 00000000000..57658f6b358
--- /dev/null
+++ b/spec/graphql/mutations/issues/create_spec.rb
@@ -0,0 +1,146 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Mutations::Issues::Create do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:user) { create(:user) }
+  let_it_be(:assignee1) { create(:user) }
+  let_it_be(:assignee2) { create(:user) }
+  let_it_be(:project_label1) { create(:label, project: project) }
+  let_it_be(:project_label2) { create(:label, project: project) }
+  let_it_be(:milestone) { create(:milestone, project: project) }
+  let_it_be(:new_label1) { FFaker::Lorem.word }
+  let_it_be(:new_label2) { new_label1 + 'Extra' }
+
+  let(:expected_attributes) do
+    {
+      title: 'new title',
+      description: 'new description',
+      confidential: true,
+      due_date: Date.tomorrow,
+      discussion_locked: true
+    }
+  end
+
+  let(:mutation_params) do
+    {
+      project_path: project.full_path,
+      milestone_id: milestone.to_global_id,
+      labels: [project_label1.title, project_label2.title, new_label1, new_label2],
+      assignee_ids: [assignee1.to_global_id, assignee2.to_global_id]
+    }.merge(expected_attributes)
+  end
+
+  let(:special_params) do
+    {
+      iid: non_existing_record_id,
+      created_at: 2.days.ago
+    }
+  end
+
+  let(:mutation) { described_class.new(object: nil, context: { current_user: user }, field: nil) }
+  let(:mutated_issue) { subject[:issue] }
+
+  specify { expect(described_class).to require_graphql_authorizations(:create_issue) }
+
+  describe '#resolve' do
+    before do
+      stub_licensed_features(multiple_issue_assignees: false, issue_weights: false)
+      project.add_guest(assignee1)
+      project.add_guest(assignee2)
+    end
+
+    subject { mutation.resolve(mutation_params) }
+
+    context 'when the user does not have permission to create an issue' do
+      it 'raises an error' do
+        expect { subject }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+      end
+    end
+
+    context 'when the user can create an issue' do
+      context 'when creating an issue a developer' do
+        before do
+          project.add_developer(user)
+        end
+
+        it 'creates issue with correct values' do
+          expect(mutated_issue).to have_attributes(expected_attributes)
+          expect(mutated_issue.milestone_id).to eq(milestone.id)
+          expect(mutated_issue.labels.pluck(:title)).to eq([project_label1.title, project_label2.title, new_label1, new_label2])
+          expect(mutated_issue.assignees.pluck(:id)).to eq([assignee1.id])
+        end
+
+        context 'when passing in label_ids' do
+          before do
+            mutation_params.delete(:labels)
+            mutation_params.merge!(label_ids: [project_label1.to_global_id, project_label2.to_global_id])
+          end
+
+          it 'creates issue with correct values' do
+            expect(mutated_issue.labels.pluck(:title)).to eq([project_label1.title, project_label2.title])
+          end
+        end
+
+        context 'when trying to create issue with restricted params' do
+          before do
+            mutation_params.merge!(special_params)
+          end
+
+          it 'ignores the special params' do
+            expect(mutated_issue).not_to be_like_time(special_params[:created_at])
+            expect(mutated_issue.iid).not_to eq(special_params[:iid])
+          end
+        end
+      end
+
+      context 'when creating an issue as owner' do
+        let_it_be(:user) { project.owner }
+
+        before do
+          mutation_params.merge!(special_params)
+        end
+
+        it 'sets the special params' do
+          expect(mutated_issue.created_at).to be_like_time(special_params[:created_at])
+          expect(mutated_issue.iid).to eq(special_params[:iid])
+        end
+      end
+    end
+  end
+
+  describe "#ready?" do
+    context 'when passing in both labels and label_ids' do
+      before do
+        mutation_params.merge!(label_ids: [project_label1.to_global_id, project_label2.to_global_id])
+      end
+
+      it 'raises exception when mutually exclusive params are given' do
+        expect { mutation.ready?(mutation_params) }
+          .to raise_error(Gitlab::Graphql::Errors::ArgumentError, /one and only one of/)
+      end
+    end
+
+    context 'when passing only `discussion_to_resolve` param' do
+      before do
+        mutation_params.merge!(discussion_to_resolve: 'abc')
+      end
+
+      it 'raises exception when mutually exclusive params are given' do
+        expect { mutation.ready?(mutation_params) }
+          .to raise_error(Gitlab::Graphql::Errors::ArgumentError, /to resolve a discussion please also provide `merge_request_to_resolve_discussions_of` parameter/)
+      end
+    end
+
+    context 'when passing only `merge_request_to_resolve_discussions_of` param' do
+      before do
+        mutation_params.merge!(merge_request_to_resolve_discussions_of: 'abc')
+      end
+
+      it 'raises exception when mutually exclusive params are given' do
+        expect { mutation.ready?(mutation_params) }.not_to raise_error
+      end
+    end
+  end
+end
diff --git a/spec/graphql/mutations/issues/move_spec.rb b/spec/graphql/mutations/issues/move_spec.rb
new file mode 100644
index 00000000000..c8e9c556a3f
--- /dev/null
+++ b/spec/graphql/mutations/issues/move_spec.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Mutations::Issues::Move do
+  let_it_be(:issue) { create(:issue) }
+  let_it_be(:user) { create(:user) }
+  let_it_be(:target_project) { create(:project) }
+
+  subject(:mutation) { described_class.new(object: nil, context: { current_user: user }, field: nil) }
+
+  describe '#resolve' do
+    subject(:resolve) { mutation.resolve(project_path: issue.project.full_path, iid: issue.iid, target_project_path: target_project.full_path) }
+
+    it 'raises an error if the resource is not accessible to the user' do
+      expect { resolve }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+    end
+
+    context 'when user does not have permissions' do
+      before do
+        issue.project.add_developer(user)
+      end
+
+      it 'returns error message' do
+        expect(resolve[:issue]).to eq(nil)
+        expect(resolve[:errors].first).to eq('Cannot move issue due to insufficient permissions!')
+      end
+    end
+
+    context 'when user has sufficient permissions' do
+      before do
+        issue.project.add_developer(user)
+        target_project.add_developer(user)
+      end
+
+      it 'moves issue' do
+        expect(resolve[:issue].project).to eq(target_project)
+      end
+    end
+  end
+end
diff --git a/spec/graphql/mutations/issues/update_spec.rb b/spec/graphql/mutations/issues/update_spec.rb
index 15c15afd9b7..f9f4bdeb6fa 100644
--- a/spec/graphql/mutations/issues/update_spec.rb
+++ b/spec/graphql/mutations/issues/update_spec.rb
@@ -70,6 +70,23 @@ RSpec.describe Mutations::Issues::Update do
         end
       end
 
+      context 'when changing state' do
+        let_it_be_with_refind(:issue) { create(:issue, project: project, state: :opened) }
+
+        it 'closes issue' do
+          mutation_params[:state_event] = 'close'
+
+          expect { subject }.to change { issue.reload.state }.from('opened').to('closed')
+        end
+
+        it 'reopens issue' do
+          issue.close
+          mutation_params[:state_event] = 'reopen'
+
+          expect { subject }.to change { issue.reload.state }.from('closed').to('opened')
+        end
+      end
+
       context 'when changing labels' do
         let_it_be(:label_1) { create(:label, project: project) }
         let_it_be(:label_2) { create(:label, project: project) }