feat: separate draft pull requests into their own tab

tests/unit/forge.rs

@@ -7,6 +7,42 @@ fn parse(url: &str, provider: Option<&str>) -> Result<Forge, String> {
     })
 }
 
+#[test]
+fn draft_summaries_keep_open_closed_and_merged_states_distinct() {
+    for provider in [Provider::Github, Provider::Gitlab, Provider::Gitea] {
+        for (closed, merged, expected) in [
+            (false, false, "draft"),
+            (true, false, "closed"),
+            (true, true, "merged"),
+        ] {
+            let mut value = json!({
+                "number": 7, "iid": 7, "title": "Unfinished work", "draft": true,
+                "state": if merged && provider == Provider::Gitlab { "merged" }
+                    else if closed { "closed" }
+                    else if provider == Provider::Gitlab { "opened" } else { "open" },
+                "merged": merged,
+                "merged_at": if merged { Some("2024-01-02T00:00:00Z") } else { None },
+                "user": null, "author": null, "created_at": "2024-01-01T00:00:00Z"
+            });
+            let entry = summary(provider, &value, Some((1, 2))).unwrap();
+            assert!(entry.draft);
+            assert_eq!(entry.closed, closed);
+            assert_eq!(
+                entry.description,
+                format!("deleted user · {expected} · +1 -2")
+            );
+            if !closed {
+                value["draft"] = json!(false);
+                assert!(!summary(provider, &value, None).unwrap().draft);
+                value.as_object_mut().unwrap().remove("draft");
+                assert!(!summary(provider, &value, None).unwrap().draft);
+                value["draft"] = json!("true");
+                assert!(summary(provider, &value, None).is_err());
+            }
+        }
+    }
+}
+
 #[test]
 fn pull_request_sizes_include_zero_and_preserve_unknown_statistics() {
     for (url, provider) in [