Add exception logging in SnippetsCheck

lib/gitlab/checks/snippet_check.rb

@@ -26,6 +26,10 @@ module Gitlab
         end
 
         true
+      rescue GitAccess::ForbiddenError => e
+        Gitlab::ErrorTracking.log_exception(e, default_branch: @default_branch, branch_name: @branch_name, creation: creation?, deletion: deletion?)
+
+        raise e
       end
 
       private

spec/lib/gitlab/checks/snippet_check_spec.rb

@@ -9,6 +9,9 @@ RSpec.describe Gitlab::Checks::SnippetCheck do
 
   let(:user_access) { Gitlab::UserAccessSnippet.new(user, snippet: snippet) }
   let(:default_branch) { snippet.default_branch }
+  let(:branch_name) { default_branch }
+  let(:creation) { false }
+  let(:deletion) { false }
 
   subject { Gitlab::Checks::SnippetCheck.new(changes, default_branch: default_branch, logger: logger) }
 
@@ -17,11 +20,19 @@ RSpec.describe Gitlab::Checks::SnippetCheck do
       expect { subject.validate! }.not_to raise_error
     end
 
+    shared_examples 'raises and logs error' do
+      specify do
+        expect(Gitlab::ErrorTracking).to receive(:log_exception).with(instance_of(Gitlab::GitAccess::ForbiddenError), default_branch: default_branch, branch_name: branch_name, creation: creation, deletion: deletion)
+
+        expect { subject.validate! }.to raise_error(Gitlab::GitAccess::ForbiddenError, 'You can not create or delete branches.')
+      end
+    end
+
     context 'trying to delete the branch' do
       let(:newrev) { '0000000000000000000000000000000000000000' }
 
-      it 'raises an error' do
-        expect { subject.validate! }.to raise_error(Gitlab::GitAccess::ForbiddenError, 'You can not create or delete branches.')
+      it_behaves_like 'raises and logs error' do
+        let(:deletion) { true }
       end
     end
 
@@ -29,8 +40,9 @@ RSpec.describe Gitlab::Checks::SnippetCheck do
       let(:oldrev) { '0000000000000000000000000000000000000000' }
       let(:ref) { 'refs/heads/feature' }
 
-      it 'raises an error' do
-        expect { subject.validate! }.to raise_error(Gitlab::GitAccess::ForbiddenError, 'You can not create or delete branches.')
+      it_behaves_like 'raises and logs error' do
+        let(:creation) { true }
+        let(:branch_name) { 'feature' }
       end
 
       context "when branch is 'master'" do
@@ -45,8 +57,8 @@ RSpec.describe Gitlab::Checks::SnippetCheck do
     context 'when default_branch is nil' do
       let(:default_branch) { nil }
 
-      it 'raises an error' do
-        expect { subject.validate! }.to raise_error(Gitlab::GitAccess::ForbiddenError, 'You can not create or delete branches.')
+      it_behaves_like 'raises and logs error' do
+        let(:branch_name) { 'master' }
       end
     end
   end