test(labels): reproduce Forgejo review vocabulary gaps

Reviewed-on: heavy-duty/ceremony#242
Reviewed-by: kimi-bot-andresmgsl <andres+4@heavyduty.builders>
Reviewed-by: glm-bot-andresmgsl <andres+5@heavyduty.builders>
Reviewed-by: claude-bot-andresmgsl <andres+1@heavyduty.builders>

changelog.d/236.md

@@ -0,0 +1,3 @@
+### Fixed
+
+- Forgejo drafts and fast-forward conflict-check windows no longer surface as merge conflicts when the API has not distinguished one (#236).

lib/forge-forgejo.sh

@@ -429,9 +429,12 @@ forge_pr_view() {
   status="$(forge_api "repos/$REPO/commits/$sha/status")" || return 1
   jq -n --argjson pr "$pr" --argjson st "$status" '
     {
-      mergeable: (if $pr.mergeable == true then "MERGEABLE"
+      # Forgejo folds checking, conflict, check error, and WIP into false.
-                  elif $pr.mergeable == false then "CONFLICTING"
+      # Draft must win because WIP makes the boolean carry no merge result (#236).
-                  else "UNKNOWN" end),
+      mergeable: (if $pr.draft == true then "UNKNOWN"
+                  elif $pr.mergeable == true then "MERGEABLE"
+                  elif $pr.merge_base == $pr.base.sha then "UNKNOWN"
+                  else "CONFLICTING" end),
       statusCheckRollup: [
         $st.statuses[]? | {
           __typename: "StatusContext",

test/forge-backends.test.sh

@@ -599,7 +599,7 @@ pr_view_stub() {
     printf 'HTTP/1.1 200 OK\r\nX-Total-Count: 1\r\n\r\n' >"$hdr"
     case "$url" in
       */status) printf '%s' "$FAKE_STATUS" >"$out" ;;
-      *) printf '{"head":{"sha":"abc"},"mergeable":true}' >"$out" ;;
+      *) printf '%s' "$FAKE_PR" >"$out" ;;
     esac
     return 0
   }
@@ -608,6 +608,7 @@ pr_view_stub() {
 FAKE_STATUS='{"state":"failure","statuses":[
   {"context":"ci / check","status":"success","created_at":"2026-08-02T10:00:00Z","updated_at":"2026-08-02T10:00:00Z"},
   {"context":"ci / check","status":"failure","created_at":"2026-08-02T09:00:00Z","updated_at":"2026-08-02T09:00:00Z"}]}'
+FAKE_PR='{"head":{"sha":"abc"},"base":{"sha":"base"},"merge_base":"ancestor","draft":false,"mergeable":true}'
 pr_view_stub
 view_json="$(REPO=o/r forge_pr_view 5)"
 check "pr_view maps createdAt" 0 "" \
@@ -616,6 +617,31 @@ check "pr_view maps completedAt" 0 "" \
   grep -q '"completedAt":' <<<"$view_json"
 check "pr_view maps mergeable to the UI string" 0 "" \
   grep -q '"mergeable": "MERGEABLE"' <<<"$view_json"
+
+# Forgejo folds conflict-checking, conflict-check errors, real conflicts, and
+# WIP into one false boolean. These fixtures pin the distinctions the API
+# object still lets the backend report honestly (#236).
+FAKE_PR='{"head":{"sha":"abc"},"base":{"sha":"base"},"merge_base":"ancestor","draft":true,"mergeable":false}'
+view_json="$(REPO=o/r forge_pr_view 5)"
+check "pr_view reports draft mergeability as unknown" 0 "" \
+  grep -q '"mergeable": "UNKNOWN"' <<<"$view_json"
+
+FAKE_PR='{"head":{"sha":"abc"},"base":{"sha":"base"},"merge_base":"base","draft":false,"mergeable":false}'
+view_json="$(REPO=o/r forge_pr_view 5)"
+check "pr_view reports a fast-forward false mergeability as unknown" 0 "" \
+  grep -q '"mergeable": "UNKNOWN"' <<<"$view_json"
+
+FAKE_PR='{"head":{"sha":"abc"},"base":{"sha":"base"},"merge_base":"ancestor","draft":false,"mergeable":false}'
+view_json="$(REPO=o/r forge_pr_view 5)"
+check "pr_view preserves a distinguishable real conflict" 0 "" \
+  grep -q '"mergeable": "CONFLICTING"' <<<"$view_json"
+
+# Unreachable on Forgejo: Mergeable() includes !IsWorkInProgress(). This
+# ordering fixture exists only to pin draft ahead of mergeable true (#236).
+FAKE_PR='{"head":{"sha":"abc"},"base":{"sha":"base"},"merge_base":"ancestor","draft":true,"mergeable":true}'
+view_json="$(REPO=o/r forge_pr_view 5)"
+check "pr_view reads draft before the mergeable boolean" 0 "" \
+  grep -q '"mergeable": "UNKNOWN"' <<<"$view_json"
 # The real proof: feed it to the production classifier and confirm the newer
 # SUCCESS wins over the older FAILURE regardless of array order.
 # shellcheck source=actions/labels-reconcile/labels-reconcile.sh

test/labels-reconcile.test.sh

@@ -172,6 +172,20 @@ $BOT2
 $BOT3" REVIEWS_JSON='[]'
 expect "requested bots mean bots-reviewing" state:bots-reviewing "$(decide_state)"
 
+# Forgejo materializes each live request as a REQUEST_REVIEW row. Those rows
+# are not submitted verdicts (#235): they must leave all three logins
+# outstanding, so an opening round stays with the panel rather than falling
+# through to the builder as three comment-only answers.
+REVIEWS_JSON="$(reviews \
+  "$(rev "$BOT1" REQUEST_REVIEW "" "" t1)" \
+  "$(rev "$BOT2" REQUEST_REVIEW "" "" t2)" \
+  "$(rev "$BOT3" REQUEST_REVIEW "" "" t3)")"
+REQUESTED="$(outstanding_requests "$BOT1
+$BOT2
+$BOT3")"
+expect "three Forgejo request rows keep the opening round with the panel" \
+  state:bots-reviewing "$(round_state)"
+
 # -- a bot that never reviewed keeps the round open ---------------------------
 #    With a live request that is the bots' ball; with NO request outstanding it
 #    is the agent's, because nothing is coming until somebody asks.
@@ -215,6 +229,25 @@ REVIEWS_JSON="$(reviews \
   "$(rev "$BOT3" APPROVED head1 "" t3)")"
 expect "changes-requested blocks even from an old head" state:addressing "$(decide_state)"
 
+# bot_verdict grades submitted states from both forges (#235). Each direct
+# assertion names one arm so a later vocabulary regression cannot hide behind
+# round_state's shared BLOCK/FEEDBACK handling.
+expect "GitHub CHANGES_REQUESTED grades as a block" BLOCK \
+  "$(bot_verdict "$BOT1")"
+REVIEWS_JSON="$(reviews "$(rev "$BOT1" REQUEST_CHANGES old1 "blockers below" t1)")"
+expect "Forgejo REQUEST_CHANGES grades as a block" BLOCK \
+  "$(bot_verdict "$BOT1")"
+REVIEWS_JSON="$(reviews "$(rev "$BOT1" COMMENT head1 "non-blocking note" t1)")"
+expect "Forgejo COMMENT grades as feedback" FEEDBACK \
+  "$(bot_verdict "$BOT1")"
+REVIEWS_JSON="$(reviews "$(rev "$BOT1" FUTURE_FORGE_STATE head1 "" t1)")"
+bot_verdict "$BOT1" >"$RTMP/unknown-verdict" 2>"$RTMP/unknown-verdict-log"
+expect "an unrecognised review state is conservatively missing" MISSING \
+  "$(cat "$RTMP/unknown-verdict")"
+expect "an unrecognised review state logs the login and spelling" yes \
+  "$(grep -qF "$BOT1: unrecognised review state FUTURE_FORGE_STATE" \
+      "$RTMP/unknown-verdict-log" && echo yes || echo no)"
+
 # -- a stale approval must not promote unreviewed code ------------------------
 REVIEWS_JSON="$(reviews \
   "$(rev "$BOT1" APPROVED old1 "" t1)" \
@@ -253,6 +286,24 @@ REQUESTED="$HUMAN"
 expect "re-requested human is needs-human again" state:needs-human "$(decide_state)"
 REQUESTED=""
 
+# Forgejo's human-block spelling carries the same meaning (#235). This is
+# independently observable because only BLOCK prevents state:needs-human once
+# every bot approves.
+REVIEWS_JSON="$(reviews \
+  "$(rev "$BOT1" APPROVED head1 "" t1)" \
+  "$(rev "$BOT2" APPROVED head1 "" t2)" \
+  "$(rev "$BOT3" APPROVED head1 "" t3)" \
+  "$(rev "$HUMAN" REQUEST_CHANGES head1 "not yet" t4)")"
+expect "Forgejo human request-changes with bots approving is addressing" \
+  state:addressing "$(decide_state)"
+REVIEWS_JSON="$(reviews \
+  "$(rev "$BOT1" APPROVED head1 "" t1)" \
+  "$(rev "$BOT2" APPROVED head1 "" t2)" \
+  "$(rev "$BOT3" APPROVED head1 "" t3)" \
+  "$(rev "$HUMAN" APPROVED head1 "" t4)")"
+expect "the same Forgejo-shaped fixture with human approval reaches needs-human" \
+  state:needs-human "$(decide_state)"
+
 # -- an old human comment must not wedge the handoff (codex, #85 round 3) -----
 REVIEWS_JSON="$(reviews \
   "$(rev "$HUMAN" COMMENTED old1 "early thoughts" t0)" \
@@ -1588,6 +1639,46 @@ expect "...with no 'reconciled.' token in the output" \
 expect "...naming the attempt that did not happen" \
   yes "$(grep -q 'label edit FAILED' <<<"$sf_out" && echo yes || echo no)"
 
+# Drive the ingestion expression through main(), independently of
+# bot_verdict (#235). Capturing REVIEWS_JSON at the outstanding_requests
+# boundary proves REQUEST_REVIEW never reaches the grader; the APPROVED
+# control proves the filter did not simply discard every row.
+review_filter_probe() {
+  (
+    REPO=owner/repo
+    LABELS_CONF="$FIXTURE_CONF"
+    CEREMONY_FORGE=github
+    # shellcheck disable=SC2317 # reached through the forge backend, not called directly (#188)
+    gh() {
+      if [ "$1" = label ] && [ "$2" = list ]; then core_label_rows | cut -d'|' -f1; return 0; fi
+      if [ "$1" = pr ] && [ "$2" = list ]; then printf '%s\n' 601; return 0; fi
+      if [ "$1" = pr ] && [ "$2" = view ]; then
+        jq -n '{mergeable:"MERGEABLE",statusCheckRollup:[]}'
+        return 0
+      fi
+      if [ "$1" = issue ] && [ "$2" = edit ]; then return 0; fi
+      case "$(forge_stub_path "$*")" in
+        *repos/owner/repo/pulls/601/reviews*)
+          jq -nc \
+            '{user:{login:"fixture-bot-one"},state:"REQUEST_REVIEW",commit_id:"",submitted_at:"2026-08-22T00:46:05Z"},
+             {user:{login:"fixture-bot-two"},state:"APPROVED",commit_id:"head1",submitted_at:"2026-08-22T00:47:05Z"}' ;;
+        */pulls/601)
+          jq -n '{draft:true,user:{login:"fixture-builder"},head:{sha:"head1"},base:{sha:"base1"},
+                  labels:[{name:"state:building"}],requested_reviewers:[],
+                  created_at:"2026-08-22T00:45:00Z"}' ;;
+        *) printf '[]\n' ;;
+      esac
+    }
+    outstanding_requests() {
+      printf '%s\n' "$REVIEWS_JSON" >"$RTMP/gradeable-reviews.json"
+    }
+    main >/dev/null
+  )
+}
+review_filter_probe
+expect "REQUEST_REVIEW is removed before REVIEWS_JSON reaches the grader" \
+  APPROVED "$(jq -r 'map(.state) | join(",")' "$RTMP/gradeable-reviews.json")"
+
 # ---------------------------------------------------------------------------
 # outstanding_requests — the portable "who still owes a verdict" (#188 term 4)
 #
@@ -1615,6 +1706,15 @@ expect "a stale approval still owes a verdict" "$BOT3" \
 expect "a reviewer who never reviewed still owes one" "nobody" \
   "$(outstanding_requests "nobody")"
 
+REVIEWS_JSON="$(reviews \
+  "$(rev "$BOT1" REQUEST_REVIEW "" "" 2026-08-22T00:46:05Z)")"
+expect "a Forgejo request row is not an answer and leaves the login outstanding" \
+  "$BOT1" "$(outstanding_requests "$BOT1")"
+REVIEWS_JSON="$(reviews \
+  "$(rev "$BOT1" APPROVED head1 "" 2026-08-01T00:00:00Z)" \
+  "$(rev "$BOT2" CHANGES_REQUESTED head1 "" 2026-08-01T00:00:00Z)" \
+  "$(rev "$BOT3" APPROVED head0 "" 2026-07-01T00:00:00Z)")"
+
 # The Forgejo shape, end to end: the field lists all three long after every
 # verdict landed. Only the stale one may survive the filter.
 expect "the never-cleared forgejo field collapses to who actually owes" \