Add scenario 7

spec/features/work_packages/datepicker/datepicker_logic_spec.rb

@@ -254,4 +254,26 @@ describe 'Datepicker modal logic test cases (WP #43539)',
       datepicker.expect_duration nil
     end
   end
+
+  describe 'when all values set, change start date (test case 7)' do
+    let(:current_attributes) do
+      {
+        start_date: Date.parse('2021-02-08'),
+        due_date: Date.parse('2021-02-11'),
+        duration: 4
+      }
+    end
+
+    it 'adjusts the duration' do
+      datepicker.expect_start_date '2021-02-08'
+      datepicker.expect_due_date '2021-02-11'
+      datepicker.expect_duration 4
+
+      datepicker.set_start_date '2021-02-09'
+
+      datepicker.expect_start_date '2021-02-09'
+      datepicker.expect_due_date '2021-02-11'
+      datepicker.expect_duration 3
+    end
+  end
 end

spec/support/components/datepicker/work_package_datepicker.rb

@@ -57,7 +57,7 @@ module Components
       container.find_field 'startDate'
     end
 
-    def end_date_field
+    def due_date_field
       container.find_field 'endDate'
     end
 
@@ -66,9 +66,24 @@ module Components
     end
 
     def set_duration(value)
-      duration = find_field 'duration'
-      duration.click
-      duration.set value
+      duration_field.click
+      duration_field.set value
+
+      # Focus a different field
+      start_date_field.click
+    end
+
+    def set_start_date(value)
+      start_date_field.click
+      start_date_field.set value
+
+      # Focus a different field
+      due_date_field.click
+    end
+
+    def set_due_date(value)
+      due_date_field.click
+      due_date_field.set value
 
       # Focus a different field
       start_date_field.click
@@ -78,8 +93,9 @@ module Components
       duration = find_field 'duration'
       duration.click
 
-      remove_btn = container.find('[data-qa-selector="datepicker-duration"] .spot-text-field--clear-button')
-      remove_btn.click
+      container
+        .find('[data-qa-selector="datepicker-duration"] .spot-text-field--clear-button')
+        .click
 
       # Focus a different field
       start_date_field.click