KMP-IMPACT

UIRegressions

Phase 3 dynamic output. Comparison of the BEFORE and AFTER UI Transition Graphs collected by DroidBot.

Fields

Field Type Default Notes
status DynamicStatus skipped See enum below.
blocked_reason str "" Filled when status = "blocked". Empty otherwise.
before_screens list[str] [] Distinct screen identifiers observed in the BEFORE UTG.
after_screens list[str] [] Distinct screen identifiers observed in the AFTER UTG.
diffs list[ScreenDiff] [] Per-screen diff entries. See below.
activity_coverage_before dict[str, int] {} Activity name → visit count, BEFORE state.
activity_coverage_after dict[str, int] {} Activity name → visit count, AFTER state.
nodes_before int 0 Total UTG nodes in BEFORE.
nodes_after int 0 Total UTG nodes in AFTER.
structures_before int 0 Distinct view-tree structures in BEFORE (deduplicated by structure_id).
structures_after int 0 Same for AFTER.

DynamicStatus enum { #dynamicstatus }

Value Meaning
completed Both APKs built and DroidBot returned UTGs.
blocked Build failed or DroidBot produced no UTG. Paired with blocked_reason.
skipped --skip-dynamic was passed, or no Android module could be detected.

ScreenDiff

Field Type Notes
screen_name str Identifier of the screen.
status str missing (in BEFORE only), new (in AFTER only), or changed (in both, with internal differences).
details str Human-readable description of the difference.

Examples

completed run with no diffs:

{
  "status": "completed",
  "blocked_reason": "",
  "before_screens": ["MainActivity", "DetailActivity"],
  "after_screens":  ["MainActivity", "DetailActivity"],
  "diffs": [],
  "activity_coverage_before": { "MainActivity": 18, "DetailActivity": 6 },
  "activity_coverage_after":  { "MainActivity": 17, "DetailActivity": 7 },
  "nodes_before": 14, "nodes_after": 14,
  "structures_before": 6, "structures_after": 6
}

blocked run:

{
  "status": "blocked",
  "blocked_reason": "DroidBot produced no UTG artifact",
  "before_screens": [],
  "after_screens": [],
  "diffs": []
}

skipped run (--skip-dynamic):

{ "status": "skipped", "blocked_reason": "", "before_screens": [], "after_screens": [], "diffs": [] }
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