1 files changed, 99 insertions, 0 deletions
diff --git a/spec/lib/gitlab/sidekiq_middleware/size_limiter/client_spec.rb b/spec/lib/gitlab/sidekiq_middleware/size_limiter/client_spec.rb
new file mode 100644
index 00000000000..df8e47d60f0
--- /dev/null
+++ b/spec/lib/gitlab/sidekiq_middleware/size_limiter/client_spec.rb
@@ -0,0 +1,99 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::SidekiqMiddleware::SizeLimiter::Client, :clean_gitlab_redis_queues do
+  let(:worker_class) do
+    Class.new do
+      def self.name
+        "TestSizeLimiterWorker"
+      end
+
+      include ApplicationWorker
+
+      def perform(*args); end
+    end
+  end
+
+  before do
+    stub_const("TestSizeLimiterWorker", worker_class)
+  end
+
+  describe '#call' do
+    context 'when the validator rejects the job' do
+      before do
+        allow(Gitlab::SidekiqMiddleware::SizeLimiter::Validator).to receive(:validate!).and_raise(
+          Gitlab::SidekiqMiddleware::SizeLimiter::ExceedLimitError.new(
+            TestSizeLimiterWorker, 500, 300
+          )
+        )
+      end
+
+      it 'raises an exception when scheduling job with #perform_at' do
+        expect do
+          TestSizeLimiterWorker.perform_at(30.seconds.from_now, 1, 2, 3)
+        end.to raise_error Gitlab::SidekiqMiddleware::SizeLimiter::ExceedLimitError
+      end
+
+      it 'raises an exception when scheduling job with #perform_async' do
+        expect do
+          TestSizeLimiterWorker.perform_async(1, 2, 3)
+        end.to raise_error Gitlab::SidekiqMiddleware::SizeLimiter::ExceedLimitError
+      end
+
+      it 'raises an exception when scheduling job with #perform_in' do
+        expect do
+          TestSizeLimiterWorker.perform_in(3.seconds, 1, 2, 3)
+        end.to raise_error Gitlab::SidekiqMiddleware::SizeLimiter::ExceedLimitError
+      end
+    end
+
+    context 'when the validator validates the job suscessfully' do
+      before do
+        # Do nothing
+        allow(Gitlab::SidekiqMiddleware::SizeLimiter::Client).to receive(:validate!)
+      end
+
+      it 'raises an exception when scheduling job with #perform_at' do
+        expect do
+          TestSizeLimiterWorker.perform_at(30.seconds.from_now, 1, 2, 3)
+        end.not_to raise_error
+
+        expect(TestSizeLimiterWorker.jobs).to contain_exactly(
+          a_hash_including(
+            "class" => "TestSizeLimiterWorker",
+            "args" => [1, 2, 3],
+            "at" => be_a(Float)
+          )
+        )
+      end
+
+      it 'raises an exception when scheduling job with #perform_async' do
+        expect do
+          TestSizeLimiterWorker.perform_async(1, 2, 3)
+        end.not_to raise_error
+
+        expect(TestSizeLimiterWorker.jobs).to contain_exactly(
+          a_hash_including(
+            "class" => "TestSizeLimiterWorker",
+            "args" => [1, 2, 3]
+          )
+        )
+      end
+
+      it 'raises an exception when scheduling job with #perform_in' do
+        expect do
+          TestSizeLimiterWorker.perform_in(3.seconds, 1, 2, 3)
+        end.not_to raise_error
+
+        expect(TestSizeLimiterWorker.jobs).to contain_exactly(
+          a_hash_including(
+            "class" => "TestSizeLimiterWorker",
+            "args" => [1, 2, 3],
+            "at" => be_a(Float)
+          )
+        )
+      end
+    end
+  end
+end