1 files changed, 29 insertions, 0 deletions
diff --git a/spec/graphql/types/duration_type_spec.rb b/spec/graphql/types/duration_type_spec.rb
new file mode 100644
index 00000000000..5b88819f157
--- /dev/null
+++ b/spec/graphql/types/duration_type_spec.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe GitlabSchema.types['Duration'] do
+  let(:duration) { 17.minutes }
+
+  it 'presents information as a floating point number' do
+    expect(described_class.coerce_isolated_result(duration)).to eq(duration.to_f)
+  end
+
+  it 'accepts integers as input' do
+    expect(described_class.coerce_isolated_input(100)).to eq(100.0)
+  end
+
+  it 'accepts floats as input' do
+    expect(described_class.coerce_isolated_input(0.5)).to eq(0.5)
+  end
+
+  it 'rejects invalid input' do
+    expect { described_class.coerce_isolated_input('not valid') }
+      .to raise_error(GraphQL::CoercionError)
+  end
+
+  it 'rejects nil' do
+    expect { described_class.coerce_isolated_input(nil) }
+      .to raise_error(GraphQL::CoercionError)
+  end
+end