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test(a2a): conformance + cross-product + authZ-negative suite - #89

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izzywdev merged 5 commits into
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feat/a2a-tests
Jul 22, 2026
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test(a2a): conformance + cross-product + authZ-negative suite#89
izzywdev merged 5 commits into
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feat/a2a-tests

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@izzywdev izzywdev commented Jul 22, 2026

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Independent test-engineer slice for A2A Phase 2. Written against the FROZEN contract at `agent-templates/contracts/a2a/v1/`, blind to the server implementation (`agent-templates/a2a/`, backend-engineer). Does NOT touch the contract.

What is here (`tests/a2a/`)

Two tiers, marked so results are legible:

conformance (expected GREEN now — grades the frozen artifacts + client harness):

  • `test_schemas.py` — schemas compile (Draft 2020-12); TaskState/method enums; push methods absent; no top-level `url`.
  • `test_agent_cards_conform.py` — every example + mock card validates vs schema & generated model; Fuze profile (single JSONRPC iface, caps, OIDC, signatures, exec in-cluster+scoped); no callee-internals leak.
  • `test_wire_fixtures_conform.py` — every mock fixture validates vs its wire `$def`; UNSPECIFIED never emitted; UTC-Z timestamps; interrupted states carry `TaskStatus.message`; error.data is typed array.
  • `test_jsonrpc_binding.py` — client envelope is JSON-RPC 2.0, bare PascalCase, `A2A-Version: 1.0` on every request, bearer + tenant echo, taskId continuation.
  • `test_error_taxonomy.py` — binding.md §3 codes frozen; typed-exception mapping; taskNotFound is the non-disclosing ambiguous denial.
  • `test_state_mapping.py` — terminal/interrupted partition; rejected terminal (not auth_required); generic denial message.
  • `test_sse_framing.py` — `data:` frame parsing, blank/non-data lines ignored, error frame raises; StreamResponse schema-valid.
  • `test_encapsulation_caller_blind.py` — the motivating invariant: caller SDK imports zero Jira/Atlassian/MCP; caller needs only card+goal to drive product-manager and receives tickets as artifacts.

integration (expected RED until the server slice lands — env `A2A_SERVER_BASE_URL`):

  • `test_live_conformance.py`, `test_live_cross_product_acceptance.py`, `test_live_authz_negative.py`, `test_live_state_machine.py`.
    These FAIL (not skip) when no server is configured — the honest-grader signal that the backend slice is not yet verified.

Status

Conformance: 68 passing locally. Live: RED by design until backend-engineer's server is reachable. A red integration test against a genuine gap is a valid deliverable.

Out of scope (owned by siblings)

A2A server / card generator / adapter (backend-engineer) · image/chart/Argo (devops-engineer) · handoff-MCP client (mcp-engineer) · docs (docs-maintainer). The contract is FROZEN.

🤖 Generated with Claude Code


Test tiers & where they run (per USER decision)

  • Per-PR conformance (a2a-contract-tests.yml, job conformance, pytest -m conformance): grades the FROZEN contract, needs no server, stays green on every PR. The live modules are not collected here.
  • Phase-3 rollout acceptance gate (a2a-acceptance.yml, pytest -m live): the live cross-product acceptance + authZ-negative + state-machine + live-conformance tests. workflow_dispatch / workflow_call only — never on PR/push, because they require a deployed A2A server. Runs with A2A_REQUIRE_LIVE=1 so they FAIL LOUDLY (never skip) if the server/tokens are unset or the server misbehaves — a missing server at acceptance time IS a failure. Required to pass against a deployed A2A server before rollout — tracked in Phase-3 A2A acceptance gate: run live cross-product + authZ-negative tests against a deployed server #90.
  • Server stand-up inside a2a-acceptance.yml (compose / kind+helm exporting A2A_SERVER_BASE_URL + tokens) is devops-engineer's Phase-3 wiring (# TODO(devops) left in the workflow).

This relocates an integration gate to where its dependency exists — the honest-grading signal is preserved and made a required rollout gate, not weakened.

izzywdev and others added 2 commits July 22, 2026 19:21
Independent test-engineer slice: static conformance of the frozen A2A v1
contract (schemas, agent cards, wire fixtures, JSON-RPC binding, error
taxonomy, state mapping, SSE framing, caller-blind encapsulation). 68 green.
Live server + cross-product + authZ-negative tests follow (RED until server).

Co-Authored-By: Claude <noreply@anthropic.com>
Claude-Session-Id: 17fb89fd-3579-433b-a6c4-9c9e7f3ec549
…+ CI runner

Adds the RED-until-server integration tier: live conformance, the motivating
cross-product acceptance (caller with no Jira skill/MCP gets tickets from
FuzePlan), authZ-negative (non-allowlisted caller refused BY THE CALLEE; absent
providesTo = DENY; body identity not trusted), and the always_ask/reach_human
state machine. Live tests FAIL (not skip) with no server configured — the honest
'server slice not delivered' signal. Adds a scoped CI runner (conformance green /
live-integration red until server).

Co-Authored-By: Claude <noreply@anthropic.com>
Claude-Session-Id: 17fb89fd-3579-433b-a6c4-9c9e7f3ec549
Comment thread .github/workflows/a2a-contract-tests.yml Fixed
Comment thread .github/workflows/a2a-contract-tests.yml Fixed
Comment thread .github/workflows/a2a-contract-tests.yml Fixed
Comment thread .github/workflows/a2a-contract-tests.yml Fixed
izzywdev and others added 2 commits July 22, 2026 19:42
Pin actions/checkout and actions/setup-python to 40-char commit SHAs instead of
mutable @vn tags in a2a-contract-tests.yml, addressing 4 GHAS/Semgrep findings.
Human-readable version kept as trailing comment.

Co-Authored-By: Claude <noreply@anthropic.com>
Claude-Session-Id: 17fb89fd-3579-433b-a6c4-9c9e7f3ec549
… set

Phase 3 acceptance gate: the live integration/acceptance/authZ/state-machine
tests now SKIP (module-level skipif on A2A_SERVER_BASE_URL) when no server is
deployed, keeping main/PRs green and avoiding claude-ci-autofix churn. When the
env is set they RUN and FAIL LOUDLY on any deviation — the honest grade lands in
the with-server (Phase 3 rollout/CI) context. Conformance tier unchanged (68
green, no server needed).

Co-Authored-By: Claude <noreply@anthropic.com>
Claude-Session-Id: 17fb89fd-3579-433b-a6c4-9c9e7f3ec549
Per USER decision: the live acceptance/authZ-negative/state-machine tests are a
required Phase-3 rollout gate against a DEPLOYED server, not skip-as-success in
per-PR CI.

- New .github/workflows/a2a-acceptance.yml: workflow_dispatch + workflow_call
  only (never pull_request/push). Runs 'pytest -m live' with A2A_REQUIRE_LIVE=1
  so the suite FAILS LOUDLY (never skips) if the server/tokens are unset or the
  server misbehaves — a missing server at acceptance time IS a failure. Preflight
  step + SHA-pinned actions. TODO(devops) marker for server stand-up.
- a2a-contract-tests.yml: dropped the live-integration job; per-PR now runs the
  conformance tier only (no server, stays green every PR).
- Added 'live' marker to the four live modules; conftest gate now enforces under
  A2A_REQUIRE_LIVE and skips otherwise (library-level safety).

Verified: conformance 68 green; 'pytest -m live' skips w/o server (exit 0) and
fails loudly under A2A_REQUIRE_LIVE (exit 1). Honest grade preserved, made a
required rollout gate rather than weakened.

Co-Authored-By: Claude <noreply@anthropic.com>
Claude-Session-Id: 17fb89fd-3579-433b-a6c4-9c9e7f3ec549
@izzywdev
izzywdev marked this pull request as ready for review July 22, 2026 17:22
@izzywdev
izzywdev merged commit b12c364 into main Jul 22, 2026
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