1 files changed, 106 insertions, 0 deletions
diff --git a/spec/requests/api/graphql/users/set_namespace_commit_email_spec.rb b/spec/requests/api/graphql/users/set_namespace_commit_email_spec.rb
new file mode 100644
index 00000000000..1db6f83ce4f
--- /dev/null
+++ b/spec/requests/api/graphql/users/set_namespace_commit_email_spec.rb
@@ -0,0 +1,106 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Setting namespace commit email', feature_category: :user_profile do
+  include GraphqlHelpers
+
+  let(:current_user) { create(:user) }
+  let(:group) { create(:group, :public) }
+  let(:email) { create(:email, :confirmed, user: current_user) }
+  let(:input) { {} }
+  let(:namespace_id) { group.to_global_id }
+  let(:email_id) { email.to_global_id }
+
+  let(:resource_or_permission_error) do
+    "The resource that you are attempting to access does not exist or you don't have permission to perform this action"
+  end
+
+  let(:mutation) do
+    variables = {
+      namespace_id: namespace_id,
+      email_id: email_id
+    }
+    graphql_mutation(:user_set_namespace_commit_email, variables.merge(input),
+      <<-QL.strip_heredoc
+        namespaceCommitEmail {
+          email {
+            id
+          }
+        }
+        errors
+      QL
+    )
+  end
+
+  def mutation_response
+    graphql_mutation_response(:user_set_namespace_commit_email)
+  end
+
+  shared_examples 'success' do
+    it 'creates a namespace commit email' do
+      post_graphql_mutation(mutation, current_user: current_user)
+
+      expect(mutation_response.dig('namespaceCommitEmail', 'email', 'id')).to eq(email.to_global_id.to_s)
+      expect(graphql_errors).to be_nil
+    end
+  end
+
+  before do
+    group.add_reporter(current_user)
+  end
+
+  context 'when current_user is nil' do
+    it 'returns the top level error' do
+      post_graphql_mutation(mutation, current_user: nil)
+
+      expect(graphql_errors.first).to match a_hash_including(
+        'message' => resource_or_permission_error)
+    end
+  end
+
+  context 'when the user cannot access the namespace' do
+    let(:namespace_id) { create(:group).to_global_id }
+
+    it 'returns the top level error' do
+      post_graphql_mutation(mutation, current_user: current_user)
+
+      expect(graphql_errors).not_to be_empty
+      expect(graphql_errors.first).to match a_hash_including(
+        'message' => resource_or_permission_error)
+    end
+  end
+
+  context 'when the service returns an error' do
+    let(:email_id) { create(:email).to_global_id }
+
+    it 'returns the error' do
+      post_graphql_mutation(mutation, current_user: current_user)
+
+      expect(mutation_response['errors']).to contain_exactly("Email must be provided.")
+      expect(mutation_response['namespaceCommitEmail']).to be_nil
+    end
+  end
+
+  context 'when namespace is a group' do
+    it_behaves_like 'success'
+  end
+
+  context 'when namespace is a user' do
+    let(:namespace_id) { current_user.namespace.to_global_id }
+
+    it_behaves_like 'success'
+  end
+
+  context 'when namespace is a project' do
+    let_it_be(:project) { create(:project) }
+
+    let(:namespace_id) { project.project_namespace.to_global_id }
+
+    before do
+      project.add_reporter(current_user)
+    end
+
+    it_behaves_like 'success'
+  end
+end