1 files changed, 36 insertions, 0 deletions
diff --git a/spec/graphql/resolvers/project_pipeline_resolver_spec.rb b/spec/graphql/resolvers/project_pipeline_resolver_spec.rb
new file mode 100644
index 00000000000..72049f16d7d
--- /dev/null
+++ b/spec/graphql/resolvers/project_pipeline_resolver_spec.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Resolvers::ProjectPipelineResolver do
+  include GraphqlHelpers
+
+  let_it_be(:project) { create(:project) }
+  let_it_be(:pipeline) { create(:ci_pipeline, project: project, iid: '1234') }
+  let_it_be(:other_pipeline) { create(:ci_pipeline) }
+  let(:current_user) { create(:user) }
+
+  def resolve_pipeline(project, args)
+    resolve(described_class, obj: project, args: args, ctx: { current_user: current_user })
+  end
+
+  it 'resolves pipeline for the passed iid' do
+    result = batch_sync do
+      resolve_pipeline(project, { iid: '1234' })
+    end
+
+    expect(result).to eq(pipeline)
+  end
+
+  it 'does not resolve a pipeline outside the project' do
+    result = batch_sync do
+      resolve_pipeline(other_pipeline.project, { iid: '1234' })
+    end
+
+    expect(result).to be_nil
+  end
+
+  it 'errors when no iid is passed' do
+    expect { resolve_pipeline(project, {}) }.to raise_error(ArgumentError)
+  end
+end