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dc/sas/mocks/sasjs/services/hooks/demo_mirror_postedit.js
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feat(mocks): run pre/post edit hook programs in the JS mock services
The JS mock services carried MPE_TABLES.pre_edit_hook / post_edit_hook values
but never acted on them, so a table configured with hooks behaved differently
in the mock than in production.

Add mockHookSource() to dcMockUtils (resolving a hook program name to the
source of its .js counterpart on the Drive) and run the hook where the SAS
backend does:

- editors/getdata runs the pre-edit hook after filtering, letting it reassign
  visibleRows / visibleColumns (the work.OUT contract) - so an empty mirror can
  display the live rows of the table it points at
- editors/stagedata and editors/loadfile run the post-edit hook before the
  MPE_SUBMIT row is written, letting it reassign libref / dsn (the call
  symputx contract) - so a changeset submitted against a mirror is raised
  against the real table

Seed a demo pair in makedata (TESTDATA.DEMO_ORDERS plus an empty
TESTDATA.DEMO_MIRROR with both hooks) and cover it with a Cypress spec.
2026-09-24 15:17:07 +00:00

32 lines
1.6 KiB
JavaScript

// ─────────────────────────────────────────────────────────────────────────────
// Mock of a POST_EDIT_HOOK program
//
// Registered against TESTDATA.DEMO_MIRROR (MPE_TABLES.post_edit_hook).
//
// This file is eval'd by editors/stagedata.js and editors/loadfile.js
// (mirroring how mpe_loader.sas %includes the hook program via %mpe_runhook),
// so it shares the caller's scope: libref, dsn, libds and every dcMockUtils
// function are available directly.
//
// The real hook runs in mpe_loader BEFORE the submit record is written, while
// LIBREF / DS are still ordinary macro variables - which is what lets it
// re-point a changeset at a different table:
//
// data _null_;
// call symputx('libref','TESTDATA');
// call symputx('ds','DEMO_ORDERS');
// run;
//
// (call symputx reaches the calling service's variable because LIBREF/DS are
// not declared %local in mpe_loader; a %let creates a new variable in the
// hook's own scope and is discarded.)
//
// The mock's equivalent is to reassign libref / dsn, so the MPE_SUBMIT record
// names the real table and the approval is raised against it rather than
// against the empty mirror.
// ─────────────────────────────────────────────────────────────────────────────
libref = 'TESTDATA'
dsn = 'DEMO_ORDERS'
console.log('[HOOK DEBUG] demo_mirror_postedit: routing changeset to ' + libref + '.' + dsn)