#399

backend/spec/models/post_spec.rb

@@ -336,5 +336,26 @@ RSpec.describe Post, type: :model do
 
       expect(post).to be_valid
     end
+
+    it 'rejects invalid calendar dates and invalid hours' do
+      invalid_dates = [
+        '2024-02-31T12:00',
+        '2023-02-29T12:00',
+        '2024-02-29T24:00'
+      ]
+
+      invalid_dates.each do |value|
+        post = described_class.new(
+          title: 'title',
+          url: 'https://example.com/post',
+          original_created_from: value
+        )
+
+        expect(post).to be_invalid
+        expect(post.errors[:original_created_from]).to eq(
+          [described_class::ORIGINAL_CREATED_INVALID_MESSAGE]
+        )
+      end
+    end
   end
 end