1 files changed, 86 insertions, 0 deletions
diff --git a/spec/bin/diagnostic_reports_uploader_spec.rb b/spec/bin/diagnostic_reports_uploader_spec.rb
new file mode 100644
index 00000000000..9a929de6d0e
--- /dev/null
+++ b/spec/bin/diagnostic_reports_uploader_spec.rb
@@ -0,0 +1,86 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+require 'tempfile'
+
+RSpec.describe 'bin/diagnostic-reports-uploader' do
+  let(:reports_dir) { Dir.mktmpdir }
+  let(:gcs_key) { Tempfile.new }
+  let(:gcs_project) { 'test_gcs_project' }
+  let(:gcs_bucket) { 'test_gcs_bucket' }
+
+  after do
+    FileUtils.remove_entry(reports_dir)
+    FileUtils.remove_entry(gcs_key)
+  end
+
+  subject(:load_bin) { load File.expand_path('../../bin/diagnostic-reports-uploader', __dir__) }
+
+  context 'when necessary ENV vars are set' do
+    before do
+      stub_env('GITLAB_DIAGNOSTIC_REPORTS_PATH', reports_dir)
+      stub_env('GITLAB_GCP_KEY_PATH', gcs_key.path)
+      stub_env('GITLAB_DIAGNOSTIC_REPORTS_PROJECT', gcs_project)
+      stub_env('GITLAB_DIAGNOSTIC_REPORTS_BUCKET', gcs_bucket)
+    end
+
+    let(:reports_uploader) { instance_double(Gitlab::Memory::ReportsUploader) }
+    let(:upload_and_cleanup_reports) { instance_double(Gitlab::Memory::UploadAndCleanupReports) }
+    let(:logger) { instance_double(Gitlab::Memory::DiagnosticReportsLogger) }
+
+    it 'runs successfully' do
+      expect(Gitlab::Memory::DiagnosticReportsLogger).to receive(:new).and_return(logger)
+
+      expect(Gitlab::Memory::ReportsUploader)
+        .to receive(:new).with(gcs_key: gcs_key.path, gcs_project: gcs_project, gcs_bucket: gcs_bucket, logger: logger)
+        .and_return(reports_uploader)
+
+      expect(Gitlab::Memory::UploadAndCleanupReports)
+        .to receive(:new).with(uploader: reports_uploader, reports_path: reports_dir, logger: logger)
+        .and_return(upload_and_cleanup_reports)
+
+      expect(upload_and_cleanup_reports).to receive(:call)
+
+      load_bin
+    end
+  end
+
+  context 'when GITLAB_DIAGNOSTIC_REPORTS_PATH is missing' do
+    it 'raises RuntimeError' do
+      expect { load_bin }.to raise_error(RuntimeError, 'GITLAB_DIAGNOSTIC_REPORTS_PATH dir is missing')
+    end
+  end
+
+  context 'when GITLAB_GCP_KEY_PATH is missing' do
+    before do
+      stub_env('GITLAB_DIAGNOSTIC_REPORTS_PATH', reports_dir)
+    end
+
+    it 'raises RuntimeError' do
+      expect { load_bin }.to raise_error(RuntimeError, /GCS keyfile not found/)
+    end
+  end
+
+  context 'when GITLAB_DIAGNOSTIC_REPORTS_PROJECT is missing' do
+    before do
+      stub_env('GITLAB_DIAGNOSTIC_REPORTS_PATH', reports_dir)
+      stub_env('GITLAB_GCP_KEY_PATH', gcs_key.path)
+    end
+
+    it 'raises RuntimeError' do
+      expect { load_bin }.to raise_error(RuntimeError, 'GITLAB_DIAGNOSTIC_REPORTS_PROJECT is missing')
+    end
+  end
+
+  context 'when GITLAB_DIAGNOSTIC_REPORTS_BUCKET is missing' do
+    before do
+      stub_env('GITLAB_DIAGNOSTIC_REPORTS_PATH', reports_dir)
+      stub_env('GITLAB_GCP_KEY_PATH', gcs_key.path)
+      stub_env('GITLAB_DIAGNOSTIC_REPORTS_PROJECT', gcs_project)
+    end
+
+    it 'raises RuntimeError' do
+      expect { load_bin }.to raise_error(RuntimeError, 'GITLAB_DIAGNOSTIC_REPORTS_BUCKET is missing')
+    end
+  end
+end