1 files changed, 51 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/parsers/terraform/tfplan_spec.rb b/spec/lib/gitlab/ci/parsers/terraform/tfplan_spec.rb
new file mode 100644
index 00000000000..19cd75e586c
--- /dev/null
+++ b/spec/lib/gitlab/ci/parsers/terraform/tfplan_spec.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Ci::Parsers::Terraform::Tfplan do
+  describe '#parse!' do
+    let_it_be(:artifact) { create(:ci_job_artifact, :terraform) }
+
+    let(:reports) { Gitlab::Ci::Reports::TerraformReports.new }
+
+    context 'when data is tfplan.json' do
+      context 'when there is no data' do
+        it 'raises an error' do
+          plan = '{}'
+
+          expect { subject.parse!(plan, reports, artifact: artifact) }.to raise_error(
+            described_class::TfplanParserError
+          )
+        end
+      end
+
+      context 'when there is data' do
+        it 'parses JSON and returns a report' do
+          plan = '{ "create": 0, "update": 1, "delete": 0 }'
+
+          expect { subject.parse!(plan, reports, artifact: artifact) }.not_to raise_error
+
+          expect(reports.plans).to match(
+            a_hash_including(
+              'tfplan.json' => a_hash_including(
+                'create' => 0,
+                'update' => 1,
+                'delete' => 0
+              )
+            )
+          )
+        end
+      end
+    end
+
+    context 'when data is not tfplan.json' do
+      it 'raises an error' do
+        plan = { 'create' => 0, 'update' => 1, 'delete' => 0 }.to_s
+
+        expect { subject.parse!(plan, reports, artifact: artifact) }.to raise_error(
+          described_class::TfplanParserError
+        )
+      end
+    end
+  end
+end