test(git-tools): cover rollup curl mock behavior

packages/mosaic/framework/tools/git/test-pr-merge-gitea-empty-uid.sh

@@ -37,16 +37,40 @@ set -euo pipefail
 printf 'curl %q ' "$@" >> "$PR_MERGE_TEST_LOG"
 printf '\n' >> "$PR_MERGE_TEST_LOG"
 args=" $* "
+out_file=""
+write_code=false
+prev=""
+for arg in "$@"; do
+    if [[ "$prev" == "-o" ]]; then
+        out_file="$arg"
+        prev=""
+        continue
+    fi
+    if [[ "$arg" == "-o" ]]; then
+        prev="-o"
+        continue
+    fi
+    if [[ "$arg" == "-w" ]]; then
+        write_code=true
+    fi
+done
+emit_response() {
+    local body="$1"
+    if [[ -n "$out_file" ]]; then
+        printf '%s' "$body" > "$out_file"
+    else
+        printf '%s' "$body"
+    fi
+    if [[ "$write_code" == true ]]; then
+        printf '200'
+    fi
+}
 if [[ "$args" == *"/api/v1/repos/mosaicstack/stack/pulls/123"* && "$args" != *"/api/v1/repos/mosaicstack/stack/pulls/123/merge"* ]]; then
-    cat <<'JSON'
-{"number":123,"title":"mock","state":"open","user":{"login":"tester"},"head":{"ref":"feature/mock"},"base":{"ref":"main"},"labels":[],"assignees":[],"html_url":"https://git.mosaicstack.dev/mosaicstack/stack/pulls/123","mergeable":true}
-JSON
+    emit_response '{"number":123,"title":"mock","state":"open","user":{"login":"tester"},"head":{"ref":"feature/mock"},"base":{"ref":"main"},"labels":[],"assignees":[],"html_url":"https://git.mosaicstack.dev/mosaicstack/stack/pulls/123","mergeable":true}'
     exit 0
 fi
 if [[ "$args" == *"-X POST"* && "$args" == *"/api/v1/repos/mosaicstack/stack/pulls/123/merge"* ]]; then
-    cat <<'JSON'
-{"merged":true,"message":"mock merge complete"}
-JSON
+    emit_response '{"merged":true,"message":"mock merge complete"}'
     exit 0
 fi
 echo "unexpected curl invocation: $*" >&2