Fixes 14 of the 18 failing tests that have been reddening Platform (Go)
CI on main since the 2026-04-18 open-source restructure + 2026-04-21
SSRF-backport. Reduces handlers package failure count 18 → 4
(remaining 4 are unrelated schema/behavior drift — see follow-ups).
Three root causes fixed:
1. httptest.NewServer binds to 127.0.0.1; isSafeURL rejects loopback.
Tests that stub workspace URLs via httptest therefore 502'd at
the SSRF guard before reaching the handler logic they wanted to
exercise.
Fix: add `testAllowLoopback` var to ssrf.go + `allowLoopbackForTest(t)`
helper in handlers_test.go. Only 127.0.0.0/8 and ::1 are relaxed;
169.254 metadata, RFC-1918, TEST-NET, CGNAT, and link-local
protections remain active. Flag is paired with t.Cleanup and is
never touched by production code.
2. ProxyA2A's checkWorkspaceBudget query (SELECT budget_limit, COALESCE
(monthly_spend, 0) FROM workspaces WHERE id = $1) was added with the
restructure but the a2a_proxy_test.go sqlmock expectations never
caught up, producing "call to Query ... was not expected" on every
ProxyA2A-exercising test.
Fix: `expectBudgetCheck(mock, workspaceID)` helper that registers
an empty-rows expectation (checkWorkspaceBudget fails-open on
sql.ErrNoRows, so an empty result = "no budget limit"). Added to
each of the 8 affected TestProxyA2A_* tests in the correct
position relative to access-control + activity-log expectations.
3. TestAdminMemories_Import_Success + _RedactsSecretsBeforeDedup
mocked a 5-arg INSERT when the handler actually issues a 4-arg
INSERT (workspace_id, content, scope, namespace) unless the
payload carries a created_at override. Removed the spurious 5th
AnyArg from both tests; _PreservesCreatedAt is untouched since it
legitimately uses the 5-arg form.
Also: TestResolveAgentURL_CacheHit and _CacheMissDBHit used bogus
`cached.example` / `dbhit.example` hostnames that fail DNS resolution
inside isSafeURL (which happens BEFORE the loopback check). Swapped to
`127.0.0.1` variants preserving test intent (they never hit the network).
Remaining 4 failures — out of scope for this PR, tracked separately:
- TestGitHubToken_NoTokenProvider (handler behavior drift — 500 vs 404)
- TestWorkspaceList + TestWorkspaceList_WithData (Scan arg count —
workspaces table gained a column, mock not updated)
- TestRegister_ProvisionerURLPreserved (request body shape drift)
Closes the 4 wrong-target PRs (#1710, #1718, #1719, #1664) that all
tried to silence the symptom by disabling golangci-lint — which has
`continue-on-error: true` in ci.yml and was never the actual blocker.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>