Split kind tests into component-owned probes

tests/kind/fixture/matrix.sh

@@ -0,0 +1,74 @@
+select_fixture_families() {
+  local requested=("$@")
+  local family
+  local candidate
+  local found
+  local use_all=false
+  FIXTURE_FAMILIES=()
+  if [[ "${#requested[@]}" = 0 ]]; then
+    requested=(all)
+  fi
+  for family in "${requested[@]}"; do
+    case "$family" in
+      all) use_all=true ;;
+      base | durable | coordination | oidc | target) ;;
+      *)
+        printf 'unknown fixture family: %s\n' "$family" >&2
+        return 1
+        ;;
+    esac
+  done
+  if [[ "$use_all" = true ]]; then
+    requested=(durable coordination oidc target)
+  fi
+  for candidate in durable coordination oidc target; do
+    found=false
+    for family in "${requested[@]}"; do
+      if [[ "$family" = "$candidate" ]]; then
+        found=true
+      fi
+    done
+    if [[ "$found" = true ]]; then
+      FIXTURE_FAMILIES+=("$candidate")
+    fi
+  done
+}
+
+fixture_has_family() {
+  local expected="$1"
+  local family
+  for family in "${FIXTURE_FAMILIES[@]}"; do
+    if [[ "$family" = "$expected" ]]; then
+      return
+    fi
+  done
+  return 1
+}
+
+expand_fixture_matrix() {
+  local coordination_providers=(-)
+  local oidc_providers=(-)
+  local target_providers=(-)
+  local coordination
+  local oidc
+  local target
+  local lane=0
+  select_fixture_families "$@" || return
+  if fixture_has_family coordination; then
+    coordination_providers=(redis dragonfly)
+  fi
+  if fixture_has_family oidc; then
+    oidc_providers=(keycloak zitadel)
+  fi
+  if fixture_has_family target; then
+    target_providers=(garage versitygw)
+  fi
+  for coordination in "${coordination_providers[@]}"; do
+    for oidc in "${oidc_providers[@]}"; do
+      for target in "${target_providers[@]}"; do
+        lane=$((lane + 1))
+        printf '%03d\t%s\t%s\t%s\n' "$lane" "$coordination" "$oidc" "$target"
+      done
+    done
+  done
+}