2 files changed, 35 insertions, 0 deletions
diff --git a/spec/lib/gitlab/patch/chronic_duration_spec.rb b/spec/lib/gitlab/patch/chronic_duration_spec.rb
new file mode 100644
index 00000000000..541037ec1a2
--- /dev/null
+++ b/spec/lib/gitlab/patch/chronic_duration_spec.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Patch::ChronicDuration do
+  subject { ChronicDuration.parse('1mo') }
+
+  it 'uses default conversions' do
+    expect(subject).to eq(2_592_000)
+  end
+
+  context 'with custom conversions' do
+    before do
+      ChronicDuration.hours_per_day = 8
+      ChronicDuration.days_per_week = 5
+    end
+
+    after do
+      ChronicDuration.hours_per_day = 24
+      ChronicDuration.days_per_week = 7
+    end
+
+    it 'uses custom conversions' do
+      expect(subject).to eq(576_000)
+    end
+  end
+end
diff --git a/spec/lib/gitlab/time_tracking_formatter_spec.rb b/spec/lib/gitlab/time_tracking_formatter_spec.rb
index a85d418777f..cfc804c13a7 100644
--- a/spec/lib/gitlab/time_tracking_formatter_spec.rb
+++ b/spec/lib/gitlab/time_tracking_formatter_spec.rb
@@ -17,6 +17,14 @@ describe Gitlab::TimeTrackingFormatter do
 
       it { expect(subject).to eq(-12_000) }
     end
+
+    context 'durations with months' do
+      let(:duration_string) { '1mo' }
+
+      it 'uses our custom conversions' do
+        expect(subject).to eq(576_000)
+      end
+    end
   end
 
   describe '#output' do