1 files changed, 58 insertions, 0 deletions
diff --git a/workflow_sources/test/util.star b/workflow_sources/test/util.star
new file mode 100644
index 0000000000..2c6d348564
--- /dev/null
+++ b/workflow_sources/test/util.star
@@ -0,0 +1,58 @@
+def is_unique(l):
+  return len(l) == len(set(l))
+end
+
+def merge(dicts):
+  r = {}
+  for d in dicts:
+    r.update(**d)
+  end
+  return r
+end
+
+def name(suites):
+  if len(suites) == 1:
+    return suites[0].name
+  else:
+    return suites[0].name + "-plus-" + str(len(suites) - 1) + "-more"
+  end
+end
+
+def sum(ints):
+  s = 0
+  for i in ints:
+    s += i
+  end
+  return s
+end
+
+def partition(target, groups, suites):
+  if len(suites) == 0:
+    return groups
+  end
+  group = []
+  rest = []
+  for suite in sorted(suites, key=lambda suite: suite.time):
+    if sum([suite2.time for suite2 in group]) + suite.time <= target:
+      group.append(suite)
+    else:
+      rest.append(suite)
+    end
+  end
+  return partition(target, groups + [group], rest)
+end
+
+def group_by_time(suites):
+  longest = max([suite.time for suite in suites])
+  groups = partition(longest, [], suites)
+  return [{"name": name(suites), "suites": [suite.name for suite in suites]} for suites in groups]
+end
+
+# Used when we don't actually want multiple ct-suites per job
+def group_by_one(suites):
+  return [{"name": suite.name, "suites": [suite.name]} for suite in suites]
+end
+
+def to_build_args(d):
+  return ",".join(['{0}={1}'.format(k,d[k]) for k in d.keys()])
+end