Improve duration format of overdue tasks in reminders

pkg/utils/humanize_duration_test.go

@@ -0,0 +1,64 @@
+// Vikunja is a to-do list application to facilitate your life.
+// Copyright 2018-2021 Vikunja and contributors. All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public Licensee as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public Licensee for more details.
+//
+// You should have received a copy of the GNU Affero General Public Licensee
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package utils
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestHumanizeDuration(t *testing.T) {
+	t.Run("one part", func(t *testing.T) {
+		d := 1 * time.Hour
+		dur := HumanizeDuration(d)
+
+		assert.Equal(t, "one hour", dur)
+	})
+	t.Run("amount > 1", func(t *testing.T) {
+		d := 2 * time.Hour
+		dur := HumanizeDuration(d)
+
+		assert.Equal(t, "2 hours", dur)
+	})
+	t.Run("2 parts", func(t *testing.T) {
+		d := 2*time.Hour + 48*time.Hour
+		dur := HumanizeDuration(d)
+
+		assert.Equal(t, "2 days and 2 hours", dur)
+	})
+	t.Run("multiple parts", func(t *testing.T) {
+		d := 2*time.Hour + 24*15*time.Hour
+		dur := HumanizeDuration(d)
+
+		assert.Equal(t, "2 weeks, one day and 2 hours", dur)
+	})
+	t.Run("years", func(t *testing.T) {
+		day := 24 * time.Hour
+		d := 2*time.Hour + 365*day + 14*day
+		dur := HumanizeDuration(d)
+
+		assert.Equal(t, "one year, 2 weeks and 2 hours", dur)
+	})
+	t.Run("ignore seconds", func(t *testing.T) {
+		d := 2*time.Hour + 48*time.Hour + 23*time.Second
+		dur := HumanizeDuration(d)
+
+		assert.Equal(t, "2 days and 2 hours", dur)
+	})
+}